#592 fixed bug with pocket help page linking navigation

604 redstone relay integration

coordinator/config/hmi.lua

@@ -234,19 +234,24 @@ function hmi.create(tool_ctl, main_pane, cfg_sys, divs, style)
 
     TextBox{parent=crd_cfg,x=1,y=2,text=" Coordinator UI Configuration",fg_bg=cpair(colors.black,colors.lime)}
 
-    TextBox{parent=crd_c_1,x=1,y=1,height=3,text="Configure the UI interface options below if you wish to customize formats."}
+    TextBox{parent=crd_c_1,x=1,y=1,height=2,text="You can customize the UI with the interface options below."}
 
     TextBox{parent=crd_c_1,x=1,y=4,text="Clock Time Format"}
     tool_ctl.clock_fmt = RadioButton{parent=crd_c_1,x=1,y=5,default=util.trinary(ini_cfg.Time24Hour,1,2),options={"24-Hour","12-Hour"},callback=function()end,radio_colors=cpair(colors.lightGray,colors.black),select_color=colors.lime}
 
+    TextBox{parent=crd_c_1,x=20,y=4,text="Po/Pu Pellet Color"}
+    TextBox{parent=crd_c_1,x=39,y=4,text="new!",fg_bg=cpair(colors.red,colors._INHERIT)}  ---@todo remove NEW tag on next revision
+    tool_ctl.pellet_color = RadioButton{parent=crd_c_1,x=20,y=5,default=util.trinary(ini_cfg.GreenPuPellet,1,2),options={"Green Pu/Cyan Po","Cyan Pu/Green Po (Mek 10.4+)"},callback=function()end,radio_colors=cpair(colors.lightGray,colors.black),select_color=colors.lime}
+
     TextBox{parent=crd_c_1,x=1,y=8,text="Temperature Scale"}
     tool_ctl.temp_scale = RadioButton{parent=crd_c_1,x=1,y=9,default=ini_cfg.TempScale,options=types.TEMP_SCALE_NAMES,callback=function()end,radio_colors=cpair(colors.lightGray,colors.black),select_color=colors.lime}
 
-    TextBox{parent=crd_c_1,x=24,y=8,text="Energy Scale"}
-    tool_ctl.energy_scale = RadioButton{parent=crd_c_1,x=24,y=9,default=ini_cfg.EnergyScale,options=types.ENERGY_SCALE_NAMES,callback=function()end,radio_colors=cpair(colors.lightGray,colors.black),select_color=colors.lime}
+    TextBox{parent=crd_c_1,x=20,y=8,text="Energy Scale"}
+    tool_ctl.energy_scale = RadioButton{parent=crd_c_1,x=20,y=9,default=ini_cfg.EnergyScale,options=types.ENERGY_SCALE_NAMES,callback=function()end,radio_colors=cpair(colors.lightGray,colors.black),select_color=colors.lime}
 
     local function submit_ui_opts()
         tmp_cfg.Time24Hour = tool_ctl.clock_fmt.get_value() == 1
+        tmp_cfg.GreenPuPellet = tool_ctl.pellet_color.get_value() == 1
         tmp_cfg.TempScale = tool_ctl.temp_scale.get_value()
         tmp_cfg.EnergyScale = tool_ctl.energy_scale.get_value()
         main_pane.set_value(7)

coordinator/config/system.lua

@@ -380,6 +380,7 @@ function system.create(tool_ctl, main_pane, cfg_sys, divs, ext, style)
             try_set(tool_ctl.num_units, ini_cfg.UnitCount)
             try_set(tool_ctl.dis_flow_view, ini_cfg.DisableFlowView)
             try_set(tool_ctl.s_vol, ini_cfg.SpeakerVolume)
+            try_set(tool_ctl.pellet_color, ini_cfg.GreenPuPellet)
             try_set(tool_ctl.clock_fmt, tri(ini_cfg.Time24Hour, 1, 2))
             try_set(tool_ctl.temp_scale, ini_cfg.TempScale)
             try_set(tool_ctl.energy_scale, ini_cfg.EnergyScale)
@@ -528,6 +529,8 @@ function system.create(tool_ctl, main_pane, cfg_sys, divs, ext, style)
 
             if f[1] == "AuthKey" then val = string.rep("*", string.len(val))
             elseif f[1] == "LogMode" then val = util.trinary(raw == log.MODE.APPEND, "append", "replace")
+            elseif f[1] == "GreenPuPellet" then
+                val = tri(raw, "Green Pu/Cyan Po", "Cyan Pu/Green Po")
             elseif f[1] == "TempScale" then
                 val = util.strval(types.TEMP_SCALE_NAMES[raw])
             elseif f[1] == "EnergyScale" then
@@ -550,7 +553,7 @@ function system.create(tool_ctl, main_pane, cfg_sys, divs, ext, style)
             local c = util.trinary(alternate, g_lg_fg_bg, cpair(colors.gray,colors.white))
             alternate = not alternate
 
-            if string.len(val) > val_max_w then
+            if (string.len(val) > val_max_w) or string.find(val, "\n") then
                 local lines = util.strwrap(val, inner_width)
                 height = #lines + 1
             end

coordinator/configure.lua

@@ -35,7 +35,8 @@ local changes = {
     { "v1.2.4", { "Added temperature scale options" } },
     { "v1.2.12", { "Added main UI theme", "Added front panel UI theme", "Added color accessibility modes" } },
     { "v1.3.3", { "Added standard with black off state color mode", "Added blue indicator color modes" } },
-    { "v1.5.1", { "Added energy scale options" } }
+    { "v1.5.1", { "Added energy scale options" } },
+    { "v1.6.13", { "Added option for Po/Pu pellet green/cyan pairing" } }
 }
 
 ---@class crd_configurator
@@ -77,6 +78,7 @@ local tool_ctl = {
     -- settings elements from hmi
     dis_flow_view = nil,      ---@type Checkbox
     s_vol = nil,              ---@type NumberField
+    pellet_color = nil,       ---@type RadioButton
     clock_fmt = nil,          ---@type RadioButton
     temp_scale = nil,         ---@type RadioButton
     energy_scale = nil,       ---@type RadioButton
@@ -95,6 +97,7 @@ local tmp_cfg = {
     UnitCount = 1,
     SpeakerVolume = 1.0,
     Time24Hour = true,
+    GreenPuPellet = false,
     TempScale = 1,          ---@type TEMP_SCALE
     EnergyScale = 1,        ---@type ENERGY_SCALE
     DisableFlowView = false,
@@ -129,6 +132,7 @@ local fields = {
     { "UnitDisplays", "Unit Monitors", {} },
     { "SpeakerVolume", "Speaker Volume", 1.0 },
     { "Time24Hour", "Use 24-hour Time Format", true },
+    { "GreenPuPellet", "Pellet Colors", false },
     { "TempScale", "Temperature Scale", types.TEMP_SCALE.KELVIN },
     { "EnergyScale", "Energy Scale", types.ENERGY_SCALE.FE },
     { "DisableFlowView", "Disable Flow Monitor (legacy, discouraged)", false },

coordinator/coordinator.lua

@@ -38,6 +38,7 @@ function coordinator.load_config()
     config.UnitCount = settings.get("UnitCount")
     config.SpeakerVolume = settings.get("SpeakerVolume")
     config.Time24Hour = settings.get("Time24Hour")
+    config.GreenPuPellet = settings.get("GreenPuPellet")
     config.TempScale = settings.get("TempScale")
     config.EnergyScale = settings.get("EnergyScale")
 
@@ -67,6 +68,7 @@ function coordinator.load_config()
     cfv.assert_type_int(config.UnitCount)
     cfv.assert_range(config.UnitCount, 1, 4)
     cfv.assert_type_bool(config.Time24Hour)
+    cfv.assert_type_bool(config.GreenPuPellet)
     cfv.assert_type_int(config.TempScale)
     cfv.assert_range(config.TempScale, 1, 4)
     cfv.assert_type_int(config.EnergyScale)
@@ -380,6 +382,18 @@ function coordinator.comms(version, nic, sv_watchdog)
         _send_sv(PROTOCOL.SCADA_MGMT, MGMT_TYPE.CLOSE, {})
     end
 
+    -- send the resume ready state to the supervisor
+    ---@param mode PROCESS process control mode
+    ---@param burn_target number burn rate target
+    ---@param charge_target number charge level target
+    ---@param gen_target number generation rate target
+    ---@param limits number[] unit burn rate limits
+    function public.send_ready(mode, burn_target, charge_target, gen_target, limits)
+        _send_sv(PROTOCOL.SCADA_CRDN, CRDN_TYPE.PROCESS_READY, {
+            mode, burn_target, charge_target, gen_target, limits
+        })
+    end
+
     -- send a facility command
     ---@param cmd FAC_COMMAND command
     ---@param option any? optional option options for the optional options (like waste mode)

coordinator/iocontrol.lua

@@ -164,6 +164,7 @@ function iocontrol.init(conf, comms, temp_scale, energy_scale)
             num_turbines = 0,
             num_snas = 0,
             has_tank = conf.cooling.r_cool[i].TankConnection,
+            aux_coolant = conf.cooling.aux_coolant[i],
 
             status_lines = { "", "" },
 
@@ -1214,7 +1215,7 @@ function iocontrol.update_unit_statuses(statuses)
                 local valve_states = status[6]
 
                 if type(valve_states) == "table" then
-                    if #valve_states == 5 then
+                    if #valve_states == 6 then
                         unit.unit_ps.publish("V_pu_conn", valve_states[1] > 0)
                         unit.unit_ps.publish("V_pu_state", valve_states[1] == 2)
                         unit.unit_ps.publish("V_po_conn", valve_states[2] > 0)
@@ -1225,6 +1226,8 @@ function iocontrol.update_unit_statuses(statuses)
                         unit.unit_ps.publish("V_am_state", valve_states[4] == 2)
                         unit.unit_ps.publish("V_emc_conn", valve_states[5] > 0)
                         unit.unit_ps.publish("V_emc_state", valve_states[5] == 2)
+                        unit.unit_ps.publish("V_aux_conn", valve_states[6] > 0)
+                        unit.unit_ps.publish("V_aux_state", valve_states[6] == 2)
                     else
                         log.debug(log_header .. "valve states length mismatch")
                         valid = false

coordinator/process.lua

@@ -139,6 +139,11 @@ function process.init(iocontrol, coord_comms)
 
         log.info("PROCESS: loaded priority groups settings")
     end
+
+    -- report to the supervisor all initial configuration data has been sent
+    -- startup resume can occur if needed
+    local p = ctl_proc
+    pctl.comms.send_ready(p.mode, p.burn_target, p.charge_target, p.gen_target, p.limits)
 end
 
 -- create a handle to process control for usage of commands that get acknowledgements

coordinator/renderer.lua

@@ -137,7 +137,7 @@ function renderer.try_start_fp()
     if not engine.fp_ready then
         -- show front panel view on terminal
         status, msg = pcall(function ()
-            engine.ui.front_panel = DisplayBox{window=term.native(),fg_bg=style.fp.root}
+            engine.ui.front_panel = DisplayBox{window=term.current(),fg_bg=style.fp.root}
             panel_view(engine.ui.front_panel, #engine.monitors.unit_displays)
         end)
 

coordinator/startup.lua

@@ -19,7 +19,7 @@ local renderer    = require("coordinator.renderer")
 local sounder     = require("coordinator.sounder")
 local threads     = require("coordinator.threads")
 
-local COORDINATOR_VERSION = "v1.6.4"
+local COORDINATOR_VERSION = "v1.6.15"
 
 local CHUNK_LOAD_DELAY_S = 30.0
 

coordinator/ui/components/pkt_entry.lua

@@ -28,6 +28,8 @@ local function init(parent, id)
 
     local ps = iocontrol.get_db().fp.ps
 
+    local term_w, _ = term.getSize()
+
     -- root div
     local root = Div{parent=parent,x=2,y=2,height=4,width=parent.get_width()-2}
     local entry = Div{parent=root,x=2,y=1,height=3,fg_bg=s_hi_bright}
@@ -43,9 +45,9 @@ local function init(parent, id)
     local pkt_fw_v = TextBox{parent=entry,x=14,y=2,text=" ------- ",width=20,fg_bg=label_fg}
     pkt_fw_v.register(ps, ps_prefix .. "fw", pkt_fw_v.set_value)
 
-    TextBox{parent=entry,x=35,y=2,text="RTT:",width=4}
-    local pkt_rtt = DataIndicator{parent=entry,x=40,y=2,label="",unit="",format="%5d",value=0,width=5,fg_bg=label_fg}
-    TextBox{parent=entry,x=46,y=2,text="ms",width=4,fg_bg=label_fg}
+    TextBox{parent=entry,x=term_w-16,y=2,text="RTT:",width=4}
+    local pkt_rtt = DataIndicator{parent=entry,x=term_w-11,y=2,label="",unit="",format="%5d",value=0,width=5,fg_bg=label_fg}
+    TextBox{parent=entry,x=term_w-5,y=2,text="ms",width=4,fg_bg=label_fg}
     pkt_rtt.register(ps, ps_prefix .. "rtt", pkt_rtt.update)
     pkt_rtt.register(ps, ps_prefix .. "rtt_color", pkt_rtt.recolor)
 

coordinator/ui/components/process_ctl.lua

@@ -325,7 +325,7 @@ local function new_view(root, x, y)
 
         TextBox{parent=waste_status,y=i,text="U"..i.." Waste",width=8}
         local a_waste = IndicatorLight{parent=waste_status,x=10,y=i,label="Auto",colors=ind_wht}
-        local waste_m = StateIndicator{parent=waste_status,x=17,y=i,states=style.waste.states_abbrv,value=1,min_width=6}
+        local waste_m = StateIndicator{parent=waste_status,x=17,y=i,states=style.get_waste().states_abbrv,value=1,min_width=6}
 
         a_waste.register(unit.unit_ps, "U_AutoWaste", a_waste.update)
         waste_m.register(unit.unit_ps, "U_WasteProduct", waste_m.update)
@@ -339,11 +339,11 @@ local function new_view(root, x, y)
     TextBox{parent=waste_sel,text="WASTE PRODUCTION",alignment=ALIGN.CENTER,width=21,x=1,y=2,fg_bg=cutout_fg_bg}
 
     local rect   = Rectangle{parent=waste_sel,border=border(1,colors.brown,true),width=21,height=22,x=1,y=3}
-    local status = StateIndicator{parent=rect,x=2,y=1,states=style.waste.states,value=1,min_width=17}
+    local status = StateIndicator{parent=rect,x=2,y=1,states=style.get_waste().states,value=1,min_width=17}
 
     status.register(facility.ps, "current_waste_product", status.update)
 
-    local waste_prod = RadioButton{parent=rect,x=2,y=3,options=style.waste.options,callback=process.set_process_waste,radio_colors=cpair(style.theme.accent_dark,style.theme.accent_light),select_color=colors.brown}
+    local waste_prod = RadioButton{parent=rect,x=2,y=3,options=style.get_waste().options,callback=process.set_process_waste,radio_colors=cpair(style.theme.accent_dark,style.theme.accent_light),select_color=colors.brown}
 
     waste_prod.register(facility.ps, "process_waste_product", waste_prod.set_value)
 

coordinator/ui/components/unit_detail.lua

@@ -398,7 +398,7 @@ local function init(parent, id)
     local waste_proc = Rectangle{parent=main,border=border(1,colors.brown,true),thin=true,width=33,height=3,x=46,y=49}
     local waste_div = Div{parent=waste_proc,x=2,y=1,width=31,height=1}
 
-    local waste_mode = MultiButton{parent=waste_div,x=1,y=1,options=style.waste.unit_opts,callback=unit.set_waste,min_width=6}
+    local waste_mode = MultiButton{parent=waste_div,x=1,y=1,options=style.get_waste().unit_opts,callback=unit.set_waste,min_width=6}
 
     waste_mode.register(u_ps, "U_WasteMode", waste_mode.set_value)
 

coordinator/ui/components/unit_flow.lua

@@ -59,7 +59,7 @@ local function make(parent, x, y, wide, unit_id)
     local tank_conns = facility.tank_conns
     local tank_types = facility.tank_fluid_types
 
-    local v_start = 1 + ((unit.unit_id - 1) * 5)
+    local v_start = 1 + ((unit.unit_id - 1) * 6)
     local prv_start = 1 + ((unit.unit_id - 1) * 3)
     local v_fields = { "pu", "po", "pl", "am" }
     local v_names = {
@@ -94,11 +94,21 @@ local function make(parent, x, y, wide, unit_id)
     if unit.num_boilers > 0 then
         table.insert(rc_pipes, pipe(0, 1, _wide(28, 19), 1, colors.lightBlue, true))
         table.insert(rc_pipes, pipe(0, 3, _wide(28, 19), 3, colors.orange, true))
-        table.insert(rc_pipes, pipe(_wide(46 ,39), 1, _wide(72,58), 1, colors.blue, true))
-        table.insert(rc_pipes, pipe(_wide(46,39), 3, _wide(72,58), 3, colors.white, true))
+        table.insert(rc_pipes, pipe(_wide(46, 39), 1, _wide(72, 58), 1, colors.blue, true))
+        table.insert(rc_pipes, pipe(_wide(46, 39), 3, _wide(72, 58), 3, colors.white, true))
+
+        if unit.aux_coolant then
+            local em_water = facility.tank_fluid_types[facility.tank_conns[unit_id]] == COOLANT_TYPE.WATER
+            local offset = util.trinary(unit.has_tank and em_water, 3, 0)
+            table.insert(rc_pipes, pipe(_wide(51, 41) + offset, 0, _wide(51, 41) + offset, 0, colors.blue, true))
+        end
     else
-        table.insert(rc_pipes, pipe(0, 1, _wide(72,58), 1, colors.blue, true))
-        table.insert(rc_pipes, pipe(0, 3, _wide(72,58), 3, colors.white, true))
+        table.insert(rc_pipes, pipe(0, 1, _wide(72, 58), 1, colors.blue, true))
+        table.insert(rc_pipes, pipe(0, 3, _wide(72, 58), 3, colors.white, true))
+
+        if unit.aux_coolant then
+            table.insert(rc_pipes, pipe(8, 0, 8, 0, colors.blue, true))
+        end
     end
 
     if unit.has_tank then
@@ -169,12 +179,12 @@ local function make(parent, x, y, wide, unit_id)
         pipe(_wide(22, 19), 1, _wide(49, 45), 1, colors.brown, true),
         pipe(_wide(22, 19), 5, _wide(28, 24), 5, colors.brown, true),
 
-        pipe(_wide(64, 53), 1, _wide(95, 81), 1, colors.green, true),
+        pipe(_wide(64, 53), 1, _wide(95, 81), 1, colors.cyan, true),
 
-        pipe(_wide(48, 43), 4, _wide(71, 61), 4, colors.cyan, true),
-        pipe(_wide(66, 57), 4, _wide(71, 61), 8, colors.cyan, true),
-        pipe(_wide(74, 63), 4, _wide(95, 81), 4, colors.cyan, true),
-        pipe(_wide(74, 63), 8, _wide(133, 111), 8, colors.cyan, true),
+        pipe(_wide(48, 43), 4, _wide(71, 61), 4, colors.green, true),
+        pipe(_wide(66, 57), 4, _wide(71, 61), 8, colors.green, true),
+        pipe(_wide(74, 63), 4, _wide(95, 81), 4, colors.green, true),
+        pipe(_wide(74, 63), 8, _wide(133, 111), 8, colors.green, true),
 
         pipe(_wide(108, 94), 1, _wide(132, 110), 6, waste_c, true, true),
         pipe(_wide(108, 94), 4, _wide(111, 95), 1, waste_c, true, true),
@@ -222,17 +232,21 @@ local function make(parent, x, y, wide, unit_id)
     _machine(_wide(116, 94), 6, "SPENT WASTE \x1b")
 
     TextBox{parent=waste,x=_wide(30,25),y=3,text="SNAs [Po]",alignment=ALIGN.CENTER,width=19,fg_bg=wh_gray}
-    local sna_po  = Rectangle{parent=waste,x=_wide(30,25),y=4,border=border(1,colors.gray,true),width=19,height=7,thin=true,fg_bg=style.theme.highlight_box_bright}
+    local sna_po  = Rectangle{parent=waste,x=_wide(30,25),y=4,border=border(1,colors.gray,true),width=19,height=8,thin=true,fg_bg=style.theme.highlight_box_bright}
     local sna_act = IndicatorLight{parent=sna_po,label="ACTIVE",colors=ind_grn}
     local sna_cnt = DataIndicator{parent=sna_po,x=12,y=1,lu_colors=lu_c_d,label="CNT",unit="",format="%2d",value=0,width=7}
-    local sna_pk = DataIndicator{parent=sna_po,y=3,lu_colors=lu_c_d,label="PEAK",unit="mB/t",format="%7.2f",value=0,width=17}
-    local sna_max = DataIndicator{parent=sna_po,lu_colors=lu_c_d,label="MAX",unit="mB/t",format="%8.2f",value=0,width=17}
-    local sna_in = DataIndicator{parent=sna_po,lu_colors=lu_c_d,label="IN",unit="mB/t",format="%9.2f",value=0,width=17}
+    TextBox{parent=sna_po,y=3,text="PEAK\x1a",width=5,fg_bg=cpair(style.theme.label_dark,colors._INHERIT)}
+    TextBox{parent=sna_po,text="MAX \x1a",width=5,fg_bg=cpair(style.theme.label_dark,colors._INHERIT)}
+    local sna_pk = DataIndicator{parent=sna_po,x=6,y=3,lu_colors=lu_c_d,label="",unit="mB/t",format="%7.2f",value=0,width=17}
+    local sna_max_o = DataIndicator{parent=sna_po,x=6,lu_colors=lu_c_d,label="",unit="mB/t",format="%7.2f",value=0,width=17}
+    local sna_max_i = DataIndicator{parent=sna_po,lu_colors=lu_c_d,label="\x1aMAX",unit="mB/t",format="%7.2f",value=0,width=17}
+    local sna_in = DataIndicator{parent=sna_po,lu_colors=lu_c_d,label="\x1aIN",unit="mB/t",format="%8.2f",value=0,width=17}
 
     sna_act.register(unit.unit_ps, "po_rate", function (r) sna_act.update(r > 0) end)
     sna_cnt.register(unit.unit_ps, "sna_count", sna_cnt.update)
     sna_pk.register(unit.unit_ps, "sna_peak_rate", sna_pk.update)
-    sna_max.register(unit.unit_ps, "sna_max_rate", sna_max.update)
+    sna_max_o.register(unit.unit_ps, "sna_max_rate", sna_max_o.update)
+    sna_max_i.register(unit.unit_ps, "sna_max_rate", function (r) sna_max_i.update(r * 10) end)
     sna_in.register(unit.unit_ps, "sna_in", sna_in.update)
 
     return root

coordinator/ui/layout/flow_view.lua

@@ -268,7 +268,7 @@ local function init(main)
     for i = 1, facility.num_units do
         local y_offset = y_ofs(i)
         unit_flow(main, flow_x, 5 + y_offset, #emcool_pipes == 0, i)
-        table.insert(po_pipes, pipe(0, 3 + y_offset, 4, 0, colors.cyan, true, true))
+        table.insert(po_pipes, pipe(0, 3 + y_offset, 4, 0, colors.green, true, true))
         util.nop()
     end
 
@@ -286,7 +286,7 @@ local function init(main)
 
             TextBox{parent=main,x=12,y=vy,text="\x10\x11",fg_bg=text_col,width=2}
 
-            local conn = IndicatorLight{parent=main,x=9,y=vy+1,label=util.sprintf("PV%02d-EMC", i * 5),colors=style.ind_grn}
+            local conn = IndicatorLight{parent=main,x=9,y=vy+1,label=util.sprintf("PV%02d-EMC", (i * 6) - 1),colors=style.ind_grn}
             local open = IndicatorLight{parent=main,x=9,y=vy+2,label="OPEN",colors=style.ind_wht}
 
             conn.register(units[i].unit_ps, "V_emc_conn", conn.update)
@@ -294,6 +294,35 @@ local function init(main)
         end
     end
 
+    ------------------------------
+    -- auxiliary coolant valves --
+    ------------------------------
+
+    for i = 1, facility.num_units do
+        if units[i].aux_coolant then
+            local vx
+            local vy = 3 + y_ofs(i)
+
+            if #emcool_pipes == 0 then
+                vx = util.trinary(units[i].num_boilers == 0, 36, 79)
+            else
+                local em_water = tank_types[tank_conns[i]] == COOLANT_TYPE.WATER
+                vx = util.trinary(units[i].num_boilers == 0, 58, util.trinary(units[i].has_tank and em_water, 94, 91))
+            end
+
+            PipeNetwork{parent=main,x=vx-6,y=vy,pipes={pipe(0,1,9,0,colors.blue,true)},bg=style.theme.bg}
+
+            TextBox{parent=main,x=vx,y=vy,text="\x10\x11",fg_bg=text_col,width=2}
+            TextBox{parent=main,x=vx+5,y=vy,text="\x1b",fg_bg=cpair(colors.blue,text_col.bkg),width=1}
+
+            local conn = IndicatorLight{parent=main,x=vx-3,y=vy+1,label=util.sprintf("PV%02d-AUX", i * 6),colors=style.ind_grn}
+            local open = IndicatorLight{parent=main,x=vx-3,y=vy+2,label="OPEN",colors=style.ind_wht}
+
+            conn.register(units[i].unit_ps, "V_aux_conn", conn.update)
+            open.register(units[i].unit_ps, "V_aux_state", open.update)
+        end
+    end
+
     -------------------
     -- dynamic tanks --
     -------------------

coordinator/ui/layout/front_panel.lua

@@ -39,6 +39,8 @@ local led_grn = style.led_grn
 local function init(panel, num_units)
     local ps = iocontrol.get_db().fp.ps
 
+    local term_w, term_h = term.getSize()
+
     TextBox{parent=panel,y=1,text="SCADA COORDINATOR",alignment=ALIGN.CENTER,fg_bg=style.fp_theme.header}
 
     local page_div = Div{parent=panel,x=1,y=3}
@@ -61,7 +63,7 @@ local function init(panel, num_units)
     local modem = LED{parent=system,label="MODEM",colors=led_grn}
 
     if not style.colorblind then
-        local network = RGBLED{parent=system,label="NETWORK",colors={colors.green,colors.red,colors.orange,colors.yellow,style.fp_ind_bkg}}
+        local network = RGBLED{parent=system,label="NETWORK",colors={colors.green,colors.red,colors.yellow,colors.orange,style.fp_ind_bkg}}
         network.update(types.PANEL_LINK_STATE.DISCONNECTED)
         network.register(ps, "link_state", network.update)
     else
@@ -131,9 +133,9 @@ local function init(panel, num_units)
     -- about footer
     --
 
-    local about   = Div{parent=main_page,width=15,height=3,x=1,y=16,fg_bg=style.fp.disabled_fg}
-    local fw_v    = TextBox{parent=about,x=1,y=1,text="FW: v00.00.00"}
-    local comms_v = TextBox{parent=about,x=1,y=2,text="NT: v00.00.00"}
+    local about   = Div{parent=main_page,width=15,height=2,y=term_h-3,fg_bg=style.fp.disabled_fg}
+    local fw_v    = TextBox{parent=about,text="FW: v00.00.00"}
+    local comms_v = TextBox{parent=about,text="NT: v00.00.00"}
 
     fw_v.register(ps, "version", function (version) fw_v.set_value(util.c("FW: ", version)) end)
     comms_v.register(ps, "comms_version", function (version) comms_v.set_value(util.c("NT: v", version)) end)
@@ -145,7 +147,7 @@ local function init(panel, num_units)
     -- API page
 
     local api_page = Div{parent=page_div,x=1,y=1,hidden=true}
-    local api_list = ListBox{parent=api_page,x=1,y=1,height=17,width=51,scroll_height=1000,fg_bg=style.fp.text_fg,nav_fg_bg=cpair(colors.gray,colors.lightGray),nav_active=cpair(colors.black,colors.gray)}
+    local api_list = ListBox{parent=api_page,y=1,height=term_h-2,width=term_w,scroll_height=1000,fg_bg=style.fp.text_fg,nav_fg_bg=cpair(colors.gray,colors.lightGray),nav_active=cpair(colors.black,colors.gray)}
     local _ = Div{parent=api_list,height=1} -- padding
 
     -- assemble page panes

coordinator/ui/style.lua

@@ -2,16 +2,20 @@
 -- Graphics Style Options
 --
 
-local util   = require("scada-common.util")
+local util        = require("scada-common.util")
 
-local core   = require("graphics.core")
-local themes = require("graphics.themes")
+local core        = require("graphics.core")
+local themes      = require("graphics.themes")
+
+local coordinator = require("coordinator.coordinator")
 
 ---@class crd_style
 local style = {}
 
 local cpair = core.cpair
 
+local config = coordinator.config
+
 -- front panel styling
 
 style.fp_theme = themes.sandstone
@@ -223,27 +227,34 @@ style.sps = {
     }
 }
 
-style.waste = {
-    -- auto waste processing states
-    states = {
-        { color = cpair(colors.black, colors.green),  text = "PLUTONIUM" },
-        { color = cpair(colors.black, colors.cyan),   text = "POLONIUM" },
-        { color = cpair(colors.black, colors.purple), text = "ANTI MATTER" }
-    },
-    states_abbrv = {
-        { color = cpair(colors.black, colors.green),  text = "Pu" },
-        { color = cpair(colors.black, colors.cyan),   text = "Po" },
-        { color = cpair(colors.black, colors.purple), text = "AM" }
-    },
-    -- process radio button options
-    options = { "Plutonium", "Polonium", "Antimatter" },
-    -- unit waste selection
-    unit_opts = {
-        { text = "Auto", fg_bg = cpair(colors.black, colors.lightGray), active_fg_bg = cpair(colors.white, colors.gray) },
-        { text = "Pu", fg_bg = cpair(colors.black, colors.lightGray), active_fg_bg = cpair(colors.black, colors.green) },
-        { text = "Po", fg_bg = cpair(colors.black, colors.lightGray), active_fg_bg = cpair(colors.black, colors.cyan) },
-        { text = "AM", fg_bg = cpair(colors.black, colors.lightGray), active_fg_bg = cpair(colors.black, colors.purple) }
+-- get waste styling, which depends on the configuration
+---@return { states: { color: color, text: string }, states_abbrv: { color: color, text: string }, options: string[], unit_opts: { text: string, fg_bg: cpair, active_fg_bg:cpair } }
+function style.get_waste()
+    local pu_color = util.trinary(config.GreenPuPellet, colors.green, colors.cyan)
+    local po_color = util.trinary(config.GreenPuPellet, colors.cyan, colors.green)
+
+    return {
+        -- auto waste processing states
+        states = {
+            { color = cpair(colors.black, pu_color),      text = "PLUTONIUM" },
+            { color = cpair(colors.black, po_color),      text = "POLONIUM" },
+            { color = cpair(colors.black, colors.purple), text = "ANTI MATTER" }
+        },
+        states_abbrv = {
+            { color = cpair(colors.black, pu_color),      text = "Pu" },
+            { color = cpair(colors.black, po_color),      text = "Po" },
+            { color = cpair(colors.black, colors.purple), text = "AM" }
+        },
+        -- process radio button options
+        options = { "Plutonium", "Polonium", "Antimatter" },
+        -- unit waste selection
+        unit_opts = {
+            { text = "Auto", fg_bg = cpair(colors.black, colors.lightGray), active_fg_bg = cpair(colors.white, colors.gray) },
+            { text = "Pu", fg_bg = cpair(colors.black, colors.lightGray), active_fg_bg = cpair(colors.black, pu_color) },
+            { text = "Po", fg_bg = cpair(colors.black, colors.lightGray), active_fg_bg = cpair(colors.black, po_color) },
+            { text = "AM", fg_bg = cpair(colors.black, colors.lightGray), active_fg_bg = cpair(colors.black, colors.purple) }
+        }
     }
-}
+end
 
 return style

pocket/config/system.lua

@@ -53,25 +53,44 @@ function system.create(tool_ctl, main_pane, cfg_sys, divs, style, exit)
     --#region Pocket UI
 
     local ui_c_1 = Div{parent=ui_cfg,x=2,y=4,width=24}
+    local ui_c_2 = Div{parent=ui_cfg,x=2,y=4,width=24}
+
+    local ui_pane = MultiPane{parent=net_cfg,x=1,y=4,panes={ui_c_1,ui_c_2}}
 
     TextBox{parent=ui_cfg,x=1,y=2,text=" Pocket UI",fg_bg=cpair(colors.black,colors.lime)}
 
-    TextBox{parent=ui_c_1,x=1,y=1,height=3,text="You may customize units below."}
+    TextBox{parent=ui_c_1,x=1,y=1,height=3,text="You may customize UI options below."}
 
-    TextBox{parent=ui_c_1,x=1,y=4,text="Temperature Scale"}
-    local temp_scale = RadioButton{parent=ui_c_1,x=1,y=5,default=ini_cfg.TempScale,options=types.TEMP_SCALE_NAMES,callback=function()end,radio_colors=cpair(colors.lightGray,colors.black),select_color=colors.lime}
+    TextBox{parent=ui_c_1,y=4,text="Po/Pu Pellet Color"}
+    TextBox{parent=ui_c_1,x=20,y=4,text="new!",fg_bg=cpair(colors.red,colors._INHERIT)}  ---@todo remove NEW tag on next revision
+    local pellet_color = RadioButton{parent=ui_c_1,y=5,default=util.trinary(ini_cfg.GreenPuPellet,1,2),options={"Green Pu/Cyan Po","Cyan Pu/Green Po"},callback=function()end,radio_colors=cpair(colors.lightGray,colors.black),select_color=colors.lime}
 
-    TextBox{parent=ui_c_1,x=1,y=10,text="Energy Scale"}
-    local energy_scale = RadioButton{parent=ui_c_1,x=1,y=11,default=ini_cfg.EnergyScale,options=types.ENERGY_SCALE_NAMES,callback=function()end,radio_colors=cpair(colors.lightGray,colors.black),select_color=colors.lime}
+    TextBox{parent=ui_c_1,y=8,height=4,text="In Mekanism 10.4 and later, pellet colors now match gas colors (Cyan Pu/Green Po).",fg_bg=g_lg_fg_bg}
 
     local function submit_ui_opts()
+        tmp_cfg.GreenPuPellet = pellet_color.get_value() == 1
+        ui_pane.set_value(2)
+    end
+
+    PushButton{parent=ui_c_1,x=1,y=15,text="\x1b Back",callback=function()main_pane.set_value(1)end,fg_bg=nav_fg_bg,active_fg_bg=btn_act_fg_bg}
+    PushButton{parent=ui_c_1,x=19,y=15,text="Next \x1a",callback=submit_ui_opts,fg_bg=nav_fg_bg,active_fg_bg=btn_act_fg_bg}
+
+    TextBox{parent=ui_c_2,x=1,y=1,height=3,text="You may customize units below."}
+
+    TextBox{parent=ui_c_2,x=1,y=4,text="Temperature Scale"}
+    local temp_scale = RadioButton{parent=ui_c_2,x=1,y=5,default=ini_cfg.TempScale,options=types.TEMP_SCALE_NAMES,callback=function()end,radio_colors=cpair(colors.lightGray,colors.black),select_color=colors.lime}
+
+    TextBox{parent=ui_c_2,x=1,y=10,text="Energy Scale"}
+    local energy_scale = RadioButton{parent=ui_c_2,x=1,y=11,default=ini_cfg.EnergyScale,options=types.ENERGY_SCALE_NAMES,callback=function()end,radio_colors=cpair(colors.lightGray,colors.black),select_color=colors.lime}
+
+    local function submit_ui_units()
         tmp_cfg.TempScale = temp_scale.get_value()
         tmp_cfg.EnergyScale = energy_scale.get_value()
         main_pane.set_value(3)
     end
 
-    PushButton{parent=ui_c_1,x=1,y=15,text="\x1b Back",callback=function()main_pane.set_value(1)end,fg_bg=nav_fg_bg,active_fg_bg=btn_act_fg_bg}
-    PushButton{parent=ui_c_1,x=19,y=15,text="Next \x1a",callback=submit_ui_opts,fg_bg=nav_fg_bg,active_fg_bg=btn_act_fg_bg}
+    PushButton{parent=ui_c_2,x=1,y=15,text="\x1b Back",callback=function()ui_pane.set_value(1)end,fg_bg=nav_fg_bg,active_fg_bg=btn_act_fg_bg}
+    PushButton{parent=ui_c_2,x=19,y=15,text="Next \x1a",callback=submit_ui_units,fg_bg=nav_fg_bg,active_fg_bg=btn_act_fg_bg}
 
     --#endregion
 
@@ -266,6 +285,7 @@ function system.create(tool_ctl, main_pane, cfg_sys, divs, style, exit)
             load_settings(settings_cfg, true)
             load_settings(ini_cfg)
 
+            try_set(pellet_color, ini_cfg.GreenPuPellet)
             try_set(temp_scale, ini_cfg.TempScale)
             try_set(energy_scale, ini_cfg.EnergyScale)
             try_set(svr_chan, ini_cfg.SVR_Channel)
@@ -374,6 +394,8 @@ function system.create(tool_ctl, main_pane, cfg_sys, divs, style, exit)
                 val = string.rep("*", string.len(val))
             elseif f[1] == "LogMode" then
                 val = tri(raw == log.MODE.APPEND, "append", "replace")
+            elseif f[1] == "GreenPuPellet" then
+                val = tri(raw, "Green Pu/Cyan Po", "Cyan Pu/Green Po")
             elseif f[1] == "TempScale" then
                 val = util.strval(types.TEMP_SCALE_NAMES[raw])
             elseif f[1] == "EnergyScale" then
@@ -385,7 +407,7 @@ function system.create(tool_ctl, main_pane, cfg_sys, divs, style, exit)
             local c = tri(alternate, g_lg_fg_bg, cpair(colors.gray,colors.white))
             alternate = not alternate
 
-            if string.len(val) > val_max_w then
+            if (string.len(val) > val_max_w) or string.find(val, "\n") then
                 local lines = util.strwrap(val, inner_width)
                 height = #lines + 1
             end

pocket/configure.lua

@@ -29,7 +29,8 @@ local CENTER = core.ALIGN.CENTER
 -- changes to the config data/format to let the user know
 local changes = {
     { "v0.9.2", { "Added temperature scale options" } },
-    { "v0.11.3", { "Added energy scale options" } }
+    { "v0.11.3", { "Added energy scale options" } },
+    { "v0.13.2", { "Added option for Po/Pu pellet green/cyan pairing" } }
 }
 
 ---@class pkt_configurator
@@ -64,6 +65,7 @@ local tool_ctl = {
 
 ---@class pkt_config
 local tmp_cfg = {
+    GreenPuPellet = false,
     TempScale = 1,      ---@type TEMP_SCALE
     EnergyScale = 1,    ---@type ENERGY_SCALE
     SVR_Channel = nil,  ---@type integer
@@ -84,6 +86,7 @@ local settings_cfg = {}
 
 -- all settings fields, their nice names, and their default values
 local fields = {
+    { "GreenPuPellet", "Pellet Colors", false },
     { "TempScale", "Temperature Scale", types.TEMP_SCALE.KELVIN },
     { "EnergyScale", "Energy Scale", types.ENERGY_SCALE.FE },
     { "SVR_Channel", "SVR Channel", 16240 },

pocket/iorx.lua

@@ -314,7 +314,7 @@ function iorx.record_unit_data(data)
     local function blue(text) return { text = text, color = colors.blue } end
 
     -- if unit.reactor_data.rps_status then
-    --     for k, v in pairs(unit.alarms) do
+    --     for k, _ in pairs(unit.alarms) do
     --         unit.alarms[k] = ALARM_STATE.TRIPPED
     --     end
     -- end

pocket/pocket.lua

@@ -38,6 +38,7 @@ pocket.config = config
 function pocket.load_config()
     if not settings.load("/pocket.settings") then return false end
 
+    config.GreenPuPellet = settings.get("GreenPuPellet")
     config.TempScale = settings.get("TempScale")
     config.EnergyScale = settings.get("EnergyScale")
 
@@ -54,6 +55,7 @@ function pocket.load_config()
 
     local cfv = util.new_validator()
 
+    cfv.assert_type_bool(config.GreenPuPellet)
     cfv.assert_type_int(config.TempScale)
     cfv.assert_range(config.TempScale, 1, 4)
     cfv.assert_type_int(config.EnergyScale)
@@ -267,8 +269,8 @@ function pocket.init_nav(smem)
 
     -- open an app
     ---@param app_id POCKET_APP_ID
-    ---@param on_loaded? function
-    function nav.open_app(app_id, on_loaded)
+    ---@param on_ready? function
+    function nav.open_app(app_id, on_ready)
         -- reset help return on navigating out of an app
         if app_id == APP_ID.ROOT then self.help_return = nil end
 
@@ -281,7 +283,7 @@ function pocket.init_nav(smem)
                 app = self.apps[app_id]
             else self.loader_return = nil end
 
-            if not app.loaded then smem.q.mq_render.push_data(MQ__RENDER_DATA.LOAD_APP, { app_id, on_loaded }) end
+            if not app.loaded then smem.q.mq_render.push_data(MQ__RENDER_DATA.LOAD_APP, { app_id, on_ready }) end
 
             self.cur_app = app_id
             self.pane.set_value(app_id)
@@ -289,6 +291,8 @@ function pocket.init_nav(smem)
             if #app.sidebar_items > 0 then
                 self.sidebar.update(app.sidebar_items)
             end
+
+            if app.loaded and on_ready then on_ready() end
         else
             log.debug("tried to open unknown app")
         end

pocket/startup.lua

@@ -2,8 +2,10 @@
 -- SCADA System Access on a Pocket Computer
 --
 
----@diagnostic disable-next-line: undefined-global
-local _is_pocket_env = pocket or periphemu  -- luacheck: ignore pocket
+---@diagnostic disable-next-line: lowercase-global
+pocket = pocket or periphemu    -- luacheck: ignore pocket
+
+local _is_pocket_env = pocket   -- luacheck: ignore pocket
 
 require("/initenv").init_env()
 
@@ -20,7 +22,7 @@ local pocket    = require("pocket.pocket")
 local renderer  = require("pocket.renderer")
 local threads   = require("pocket.threads")
 
-local POCKET_VERSION = "v0.13.0-beta"
+local POCKET_VERSION = "v0.13.4-beta"
 
 local println = util.println
 local println_ts = util.println_ts

pocket/ui/apps/waste.lua

@@ -95,8 +95,8 @@ local function new_view(root)
 
             local function set_waste(mode) process.set_unit_waste(i, mode) end
 
-            local waste_prod = StateIndicator{parent=u_div,x=16,y=3,states=style.waste.states_abbrv,value=1,min_width=6}
-            local waste_mode = RadioButton{parent=u_div,y=3,options=style.waste.unit_opts,callback=set_waste,radio_colors=cpair(colors.lightGray,colors.gray),select_color=colors.white}
+            local waste_prod = StateIndicator{parent=u_div,x=16,y=3,states=style.get_waste().states_abbrv,value=1,min_width=6}
+            local waste_mode = RadioButton{parent=u_div,y=3,options=style.get_waste().unit_opts,callback=set_waste,radio_colors=cpair(colors.lightGray,colors.gray),select_color=colors.white}
 
             waste_prod.register(u_ps, "U_WasteProduct", waste_prod.update)
             waste_mode.register(u_ps, "U_WasteMode", waste_mode.set_value)
@@ -159,8 +159,8 @@ local function new_view(root)
 
         TextBox{parent=c_div,y=1,text="Waste Control",alignment=ALIGN.CENTER}
 
-        local status = StateIndicator{parent=c_div,x=3,y=3,states=style.waste.states,value=1,min_width=17}
-        local waste_prod = RadioButton{parent=c_div,y=5,options=style.waste.options,callback=process.set_process_waste,radio_colors=cpair(colors.lightGray,colors.gray),select_color=colors.white}
+        local status = StateIndicator{parent=c_div,x=3,y=3,states=style.get_waste().states,value=1,min_width=17}
+        local waste_prod = RadioButton{parent=c_div,y=5,options=style.get_waste().options,callback=process.set_process_waste,radio_colors=cpair(colors.lightGray,colors.gray),select_color=colors.white}
 
         status.register(f_ps, "current_waste_product", status.update)
         waste_prod.register(f_ps, "process_waste_product", waste_prod.set_value)

pocket/ui/style.lua

@@ -2,12 +2,18 @@
 -- Graphics Style Options
 --
 
-local core = require("graphics.core")
+local util   = require("scada-common.util")
+
+local core   = require("graphics.core")
+
+local pocket = require("pocket.pocket")
 
 local style = {}
 
 local cpair = core.cpair
 
+local config = pocket.config
+
 -- GLOBAL --
 
 style.root            = cpair(colors.white, colors.black)
@@ -171,22 +177,29 @@ style.sps = {
     }
 }
 
-style.waste = {
-    -- auto waste processing states
-    states = {
-        { color = cpair(colors.black, colors.green),  text = "PLUTONIUM" },
-        { color = cpair(colors.black, colors.cyan),   text = "POLONIUM" },
-        { color = cpair(colors.black, colors.purple), text = "ANTI MATTER" }
-    },
-    states_abbrv = {
-        { color = cpair(colors.black, colors.green),  text = "Pu" },
-        { color = cpair(colors.black, colors.cyan),   text = "Po" },
-        { color = cpair(colors.black, colors.purple), text = "AM" }
-    },
-    -- process radio button options
-    options = { "Plutonium", "Polonium", "Antimatter" },
-    -- unit waste selection
-    unit_opts = { "Auto", "Plutonium", "Polonium", "Antimatter" }
-}
+-- get waste styling, which depends on the configuration
+---@return { states: { color: color, text: string }, states_abbrv: { color: color, text: string }, options: string[], unit_opts: string[] }
+function style.get_waste()
+    local pu_color = util.trinary(config.GreenPuPellet, colors.green, colors.cyan)
+    local po_color = util.trinary(config.GreenPuPellet, colors.cyan, colors.green)
+
+    return {
+        -- auto waste processing states
+        states = {
+            { color = cpair(colors.black, pu_color),      text = "PLUTONIUM" },
+            { color = cpair(colors.black, po_color),      text = "POLONIUM" },
+            { color = cpair(colors.black, colors.purple), text = "ANTI MATTER" }
+        },
+        states_abbrv = {
+            { color = cpair(colors.black, pu_color),      text = "Pu" },
+            { color = cpair(colors.black, po_color),      text = "Po" },
+            { color = cpair(colors.black, colors.purple), text = "AM" }
+        },
+        -- process radio button options
+        options = { "Plutonium", "Polonium", "Antimatter" },
+        -- unit waste selection
+        unit_opts = { "Auto", "Plutonium", "Polonium", "Antimatter" }
+    }
+end
 
 return style

reactor-plc/config/check.lua

@@ -84,7 +84,7 @@ local function handle_packet(packet)
                 elseif est_ack == ESTABLISH_ACK.COLLISION then
                     error_msg = "another reactor PLC is connected with this reactor unit ID"
                 elseif est_ack == ESTABLISH_ACK.BAD_VERSION then
-                    error_msg = "reactor PLC comms version does not match supervisor comms version, make sure both devices are up-to-date (ccmsi update ...)"
+                    error_msg = "reactor PLC comms version does not match supervisor comms version, make sure both devices are up-to-date (ccmsi update)"
                 else
                     error_msg = "error: invalid reply from supervisor"
                 end
@@ -120,11 +120,15 @@ local function self_check()
 
     self.self_check_pass = true
 
+    local cfg = self.settings
     local modem = ppm.get_wireless_modem()
     local reactor = ppm.get_fission_reactor()
-    local valid_cfg = plc.validate_config(self.settings)
+    local valid_cfg = plc.validate_config(cfg)
+
+    if cfg.Networked then
+        self.self_check_msg("> check wireless/ender modem connected...", modem ~= nil, "you must connect an ender or wireless modem to the reactor PLC")
+    end
 
-    self.self_check_msg("> check wireless/ender modem connected...", modem ~= nil, "you must connect an ender or wireless modem to the reactor PLC")
     self.self_check_msg("> check fission reactor connected...", reactor ~= nil, "please connect the reactor PLC to the reactor's fission reactor logic adapter")
     self.self_check_msg("> check fission reactor formed...")
     -- this consumes events, but that is fine here
@@ -132,12 +136,12 @@ local function self_check()
 
     self.self_check_msg("> check configuration...", valid_cfg, "go through Configure System and apply settings to set any missing settings and repair any corrupted ones")
 
-    if valid_cfg and modem then
+    if cfg.Networked and valid_cfg and modem then
         self.self_check_msg("> check supervisor connection...")
 
         -- init mac as needed
-        if self.settings.AuthKey and string.len(self.settings.AuthKey) >= 8 then
-            network.init_mac(self.settings.AuthKey)
+        if cfg.AuthKey and string.len(cfg.AuthKey) >= 8 then
+            network.init_mac(cfg.AuthKey)
         else
             network.deinit_mac()
         end
@@ -145,12 +149,12 @@ local function self_check()
         self.nic = network.nic(modem)
 
         self.nic.closeAll()
-        self.nic.open(self.settings.PLC_Channel)
+        self.nic.open(cfg.PLC_Channel)
 
         self.sv_addr = comms.BROADCAST
         self.net_listen = true
 
-        send_sv(MGMT_TYPE.ESTABLISH, { comms.version, "0.0.0", DEVICE_TYPE.PLC, self.settings.UnitID })
+        send_sv(MGMT_TYPE.ESTABLISH, { comms.version, "0.0.0", DEVICE_TYPE.PLC, cfg.UnitID })
 
         tcd.dispatch_unique(8, handle_timeout)
     else

reactor-plc/config/system.lua

@@ -592,7 +592,7 @@ function system.create(tool_ctl, main_pane, cfg_sys, divs, style, exit)
             local c = util.trinary(alternate, g_lg_fg_bg, cpair(colors.gray,colors.white))
             alternate = not alternate
 
-            if string.len(val) > val_max_w then
+            if (string.len(val) > val_max_w) or string.find(val, "\n") then
                 local lines = util.strwrap(val, inner_width)
                 height = #lines + 1
             end

reactor-plc/panel/front_panel.lua

@@ -40,6 +40,8 @@ local function init(panel)
 
     local disabled_fg = style.fp.disabled_fg
 
+    local term_w, term_h = term.getSize()
+
     local header = TextBox{parent=panel,y=1,text="FISSION REACTOR PLC - UNIT ?",alignment=ALIGN.CENTER,fg_bg=style.theme.header}
     header.register(databus.ps, "unit_id", function (id) header.set_value(util.c("FISSION REACTOR PLC - UNIT ", id)) end)
 
@@ -60,7 +62,7 @@ local function init(panel)
     local modem = LED{parent=system,label="MODEM",colors=ind_grn}
 
     if not style.colorblind then
-        local network = RGBLED{parent=system,label="NETWORK",colors={colors.green,colors.red,colors.orange,colors.yellow,style.ind_bkg}}
+        local network = RGBLED{parent=system,label="NETWORK",colors={colors.green,colors.red,colors.yellow,colors.orange,style.ind_bkg}}
         network.update(types.PANEL_LINK_STATE.DISCONNECTED)
         network.register(databus.ps, "link_state", network.update)
     else
@@ -121,7 +123,7 @@ local function init(panel)
     -- status & controls
     --
 
-    local status = Div{parent=panel,width=19,height=18,x=17,y=3}
+    local status = Div{parent=panel,width=term_w-32,height=18,x=17,y=3}
 
     local active = LED{parent=status,x=2,width=12,label="RCT ACTIVE",colors=ind_grn}
 
@@ -131,14 +133,15 @@ local function init(panel)
         emer_cool.register(databus.ps, "emer_cool", emer_cool.update)
     end
 
-    local status_trip_rct = Rectangle{parent=status,width=20,height=3,x=1,border=border(1,s_hi_box.bkg,true),even_inner=true}
-    local status_trip = Div{parent=status_trip_rct,width=18,height=1,fg_bg=s_hi_box}
+    local status_trip_rct = Rectangle{parent=status,height=3,x=1,border=border(1,s_hi_box.bkg,true),even_inner=true}
+    local status_trip = Div{parent=status_trip_rct,height=1,fg_bg=s_hi_box}
     local scram = LED{parent=status_trip,width=10,label="RPS TRIP",colors=ind_red,flash=true,period=flasher.PERIOD.BLINK_250_MS}
 
-    local controls_rct = Rectangle{parent=status,width=17,height=3,x=1,border=border(1,s_hi_box.bkg,true),even_inner=true}
-    local controls = Div{parent=controls_rct,width=15,height=1,fg_bg=s_hi_box}
-    PushButton{parent=controls,x=1,y=1,min_width=7,text="SCRAM",callback=databus.rps_scram,fg_bg=cpair(colors.black,colors.red),active_fg_bg=cpair(colors.black,colors.red_off)}
-    PushButton{parent=controls,x=9,y=1,min_width=7,text="RESET",callback=databus.rps_reset,fg_bg=cpair(colors.black,colors.yellow),active_fg_bg=cpair(colors.black,colors.yellow_off)}
+    local controls_rct = Rectangle{parent=status,width=status.get_width()-2,height=3,x=1,border=border(1,s_hi_box.bkg,true),even_inner=true}
+    local controls = Div{parent=controls_rct,width=controls_rct.get_width()-2,height=1,fg_bg=s_hi_box}
+    local button_padding = math.floor((controls.get_width() - 14) / 3)
+    PushButton{parent=controls,x=button_padding+1,y=1,min_width=7,text="SCRAM",callback=databus.rps_scram,fg_bg=cpair(colors.black,colors.red),active_fg_bg=cpair(colors.black,colors.red_off)}
+    PushButton{parent=controls,x=(2*button_padding)+9,y=1,min_width=7,text="RESET",callback=databus.rps_reset,fg_bg=cpair(colors.black,colors.yellow),active_fg_bg=cpair(colors.black,colors.yellow_off)}
 
     active.register(databus.ps, "reactor_active", active.update)
     scram.register(databus.ps, "rps_scram", scram.update)
@@ -147,9 +150,9 @@ local function init(panel)
     -- about footer
     --
 
-    local about   = Div{parent=panel,width=15,height=3,x=1,y=18,fg_bg=disabled_fg}
-    local fw_v    = TextBox{parent=about,x=1,y=1,text="FW: v00.00.00"}
-    local comms_v = TextBox{parent=about,x=1,y=2,text="NT: v00.00.00"}
+    local about   = Div{parent=panel,width=15,height=2,y=term_h-1,fg_bg=disabled_fg}
+    local fw_v    = TextBox{parent=about,text="FW: v00.00.00"}
+    local comms_v = TextBox{parent=about,text="NT: v00.00.00"}
 
     fw_v.register(databus.ps, "version", function (version) fw_v.set_value(util.c("FW: ", version)) end)
     comms_v.register(databus.ps, "comms_version", function (version) comms_v.set_value(util.c("NT: v", version)) end)
@@ -158,7 +161,7 @@ local function init(panel)
     -- rps list
     --
 
-    local rps = Rectangle{parent=panel,width=16,height=16,x=36,y=3,border=border(1,s_hi_box.bkg),thin=true,fg_bg=s_hi_box}
+    local rps = Rectangle{parent=panel,width=16,height=16,x=term_w-15,y=3,border=border(1,s_hi_box.bkg),thin=true,fg_bg=s_hi_box}
     local rps_man  = LED{parent=rps,label="MANUAL",colors=ind_red}
     local rps_auto = LED{parent=rps,label="AUTOMATIC",colors=ind_red}
     local rps_tmo  = LED{parent=rps,label="TIMEOUT",colors=ind_red}

reactor-plc/plc.lua

@@ -23,8 +23,7 @@ local AUTO_ACK = comms.PLC_AUTO_ACK
 
 local RPS_LIMITS = const.RPS_LIMITS
 
--- I sure hope the devs don't change this error message, not that it would have safety implications
--- I wish they didn't change it to be like this
+-- specific errors thrown when scram/start is used that still count as success
 local PCALL_SCRAM_MSG = "Scram requires the reactor to be active."
 local PCALL_START_MSG = "Reactor is already active."
 

reactor-plc/startup.lua

@@ -18,7 +18,7 @@ local plc       = require("reactor-plc.plc")
 local renderer  = require("reactor-plc.renderer")
 local threads   = require("reactor-plc.threads")
 
-local R_PLC_VERSION = "v1.8.14"
+local R_PLC_VERSION = "v1.8.20"
 
 local println = util.println
 local println_ts = util.println_ts
@@ -169,12 +169,12 @@ local function main()
     -- PLC init<br>
     --- EVENT_CONSUMER: this function consumes events
     local function init()
-        -- just booting up, no fission allowed (neutrons stay put thanks)
-        if (not plc_state.no_reactor) and plc_state.reactor_formed and smem_dev.reactor.getStatus() then
+        -- scram on boot if networked, otherwise leave the reactor be
+        if __shared_memory.networked and (not plc_state.no_reactor) and plc_state.reactor_formed and smem_dev.reactor.getStatus() then
             smem_dev.reactor.scram()
         end
 
-        -- front panel time!
+        -- setup front panel
         if not renderer.ui_ready() then
             local message
             plc_state.fp_ok, message = renderer.try_start_ui(config.FrontPanelTheme, config.ColorMode)

rtu/config/check.lua

@@ -0,0 +1,318 @@
+local comms      = require("scada-common.comms")
+local network    = require("scada-common.network")
+local ppm        = require("scada-common.ppm")
+local rsio       = require("scada-common.rsio")
+local tcd        = require("scada-common.tcd")
+local util       = require("scada-common.util")
+
+local rtu        = require("rtu.rtu")
+
+local redstone   = require("rtu.config.redstone")
+
+local core       = require("graphics.core")
+
+local Div        = require("graphics.elements.Div")
+local ListBox    = require("graphics.elements.ListBox")
+local TextBox    = require("graphics.elements.TextBox")
+
+local PushButton = require("graphics.elements.controls.PushButton")
+
+local tri = util.trinary
+
+local cpair = core.cpair
+
+local PROTOCOL = comms.PROTOCOL
+local DEVICE_TYPE = comms.DEVICE_TYPE
+local ESTABLISH_ACK = comms.ESTABLISH_ACK
+local MGMT_TYPE = comms.MGMT_TYPE
+
+local self = {
+    nic = nil,           ---@type nic
+    net_listen = false,
+    sv_addr = comms.BROADCAST,
+    sv_seq_num = util.time_ms() * 10,
+
+    self_check_pass = true,
+
+    settings = nil,      ---@type rtu_config
+
+    run_test_btn = nil,  ---@type PushButton
+    sc_log = nil,        ---@type ListBox
+    self_check_msg = nil ---@type function
+}
+
+-- report successful completion of the check
+local function check_complete()
+    TextBox{parent=self.sc_log,text="> all tests passed!",fg_bg=cpair(colors.blue,colors._INHERIT)}
+    TextBox{parent=self.sc_log,text=""}
+    local more = Div{parent=self.sc_log,height=3,fg_bg=cpair(colors.gray,colors._INHERIT)}
+    TextBox{parent=more,text="if you still have a problem:"}
+    TextBox{parent=more,text="- check the wiki on GitHub"}
+    TextBox{parent=more,text="- ask for help on GitHub discussions or Discord"}
+end
+
+-- send a management packet to the supervisor
+---@param msg_type MGMT_TYPE
+---@param msg table
+local function send_sv(msg_type, msg)
+    local s_pkt = comms.scada_packet()
+    local pkt = comms.mgmt_packet()
+
+    pkt.make(msg_type, msg)
+    s_pkt.make(self.sv_addr, self.sv_seq_num, PROTOCOL.SCADA_MGMT, pkt.raw_sendable())
+
+    self.nic.transmit(self.settings.SVR_Channel, self.settings.RTU_Channel, s_pkt)
+    self.sv_seq_num = self.sv_seq_num + 1
+end
+
+-- handle an establish message from the supervisor
+---@param packet mgmt_frame
+local function handle_packet(packet)
+    local error_msg = nil
+
+    if packet.scada_frame.local_channel() ~= self.settings.RTU_Channel then
+        error_msg = "error: unknown receive channel"
+    elseif packet.scada_frame.remote_channel() == self.settings.SVR_Channel and packet.scada_frame.protocol() == PROTOCOL.SCADA_MGMT then
+        if packet.type == MGMT_TYPE.ESTABLISH then
+            if packet.length == 1 then
+                local est_ack = packet.data[1]
+
+                if est_ack== ESTABLISH_ACK.ALLOW then
+                    self.self_check_msg(nil, true, "")
+                    self.sv_addr = packet.scada_frame.src_addr()
+                    send_sv(MGMT_TYPE.CLOSE, {})
+                    if self.self_check_pass then check_complete() end
+                elseif est_ack == ESTABLISH_ACK.DENY then
+                    error_msg = "error: supervisor connection denied"
+                elseif est_ack == ESTABLISH_ACK.BAD_VERSION then
+                    error_msg = "RTU gateway comms version does not match supervisor comms version, make sure both devices are up-to-date (ccmsi update)"
+                else
+                    error_msg = "error: invalid reply from supervisor"
+                end
+            else
+                error_msg = "error: invalid reply length from supervisor"
+            end
+        else
+            error_msg = "error: didn't get an establish reply from supervisor"
+        end
+    end
+
+    self.net_listen = false
+    self.run_test_btn.enable()
+
+    if error_msg then
+        self.self_check_msg(nil, false, error_msg)
+    end
+end
+
+-- handle supervisor connection failure
+local function handle_timeout()
+    self.net_listen = false
+    self.run_test_btn.enable()
+    self.self_check_msg(nil, false, "make sure your supervisor is running, your channels are correct, trusted ranges are set properly (if enabled), facility keys match (if set), and if you are using wireless modems rather than ender modems, that your devices are close together in the same dimension")
+end
+
+
+-- check if a value is an integer within a range (inclusive)
+---@param x any
+---@param min integer
+---@param max integer
+local function is_int_min_max(x, min, max) return util.is_int(x) and x >= min and x <= max end
+
+-- execute the self-check
+local function self_check()
+    self.run_test_btn.disable()
+
+    self.sc_log.remove_all()
+    ppm.mount_all()
+
+    self.self_check_pass = true
+
+    local cfg = self.settings
+    local modem = ppm.get_wireless_modem()
+    local valid_cfg = rtu.validate_config(cfg)
+
+    self.self_check_msg("> check wireless/ender modem connected...", modem ~= nil, "you must connect an ender or wireless modem to the RTU gateway")
+    self.self_check_msg("> check gateway configuration...", valid_cfg, "go through Configure Gateway and apply settings to set any missing settings and repair any corrupted ones")
+
+    -- check redstone configurations
+
+    local phys = {} ---@type rtu_rs_definition[][]
+    local inputs = { [0] = {}, {}, {}, {}, {} }
+
+    for i = 1, #cfg.Redstone do
+        local entry = cfg.Redstone[i]
+        local name = entry.relay or "local"
+
+        if phys[name] == nil then phys[name] = {} end
+        table.insert(phys[entry.relay or "local"], entry)
+    end
+
+    for name, entries in pairs(phys) do
+        TextBox{parent=self.sc_log,text="> checking redstone @ "..name.."...",fg_bg=cpair(colors.blue,colors.white)}
+
+        local ifaces = {}
+        local bundled_sides = {}
+
+        for i = 1, #entries do
+            local entry = entries[i]
+            local ident = entry.side .. tri(entry.color, ":" .. rsio.color_name(entry.color), "")
+
+            local sc_dupe  = util.table_contains(ifaces, ident)
+            local mixed = (bundled_sides[entry.side] and (entry.color == nil)) or (bundled_sides[entry.side] == false and (entry.color ~= nil))
+
+            local mixed_msg = util.trinary(bundled_sides[entry.side], "bundled entry(s) but this entry is not", "non-bundled entry(s) but this entry is")
+
+            self.self_check_msg("> check redstone " .. ident .. " unique...", not sc_dupe, "only one port should be set to a side/color combination")
+            self.self_check_msg("> check redstone " .. ident .. " bundle...", not mixed, "this side has " .. mixed_msg .. " bundled, which will not work")
+            self.self_check_msg("> check redstone " .. ident .. " valid...", redstone.validate(entry), "configuration invalid, please re-configure redstone entry")
+
+            if rsio.get_io_dir(entry.port) == rsio.IO_DIR.IN then
+                local in_dupe = util.table_contains(inputs[entry.unit or 0], entry.port)
+                self.self_check_msg("> check redstone " .. ident .. " input...", not in_dupe, "you cannot have multiple of the same input for a given unit or the facility ("..rsio.to_string(entry.port)..")")
+            end
+
+            bundled_sides[entry.side] = bundled_sides[entry.side] or entry.color ~= nil
+            table.insert(ifaces, ident)
+        end
+    end
+
+    -- check peripheral configurations
+    for i = 1, #cfg.Peripherals do
+        local entry = cfg.Peripherals[i]
+        local valid = false
+
+        if type(entry.name) == "string" then
+            self.self_check_msg("> check " .. entry.name .. " connected...", ppm.get_periph(entry.name), "please connect this device via a wired modem or direct contact and ensure the configuration matches what it connects as")
+
+            local p_type = ppm.get_type(entry.name)
+
+            if p_type == "boilerValve" then
+                valid = is_int_min_max(entry.index, 1, 2) and is_int_min_max(entry.unit, 1, 4)
+            elseif p_type == "turbineValve" then
+                valid = is_int_min_max(entry.index, 1, 3) and is_int_min_max(entry.unit, 1, 4)
+            elseif p_type == "solarNeutronActivator" then
+                valid = is_int_min_max(entry.unit, 1, 4)
+            elseif p_type == "dynamicValve" then
+                valid = (entry.unit == nil and is_int_min_max(entry.index, 1, 4)) or is_int_min_max(entry.unit, 1, 4)
+            elseif p_type == "environmentDetector" then
+                valid = (entry.unit == nil or is_int_min_max(entry.unit, 1, 4)) and util.is_int(entry.index)
+            else
+                valid = true
+
+                if p_type ~= nil and not (p_type == "inductionPort" or p_type == "spsPort") then
+                    self.self_check_msg("> check " .. entry.name .. " valid...", false, "unrecognized device type")
+                end
+            end
+        end
+
+        if not valid then
+            self.self_check_msg("> check " .. entry.name .. " valid...", false, "configuration invalid, please re-configure peripheral entry")
+        end
+    end
+
+    if valid_cfg and modem then
+        self.self_check_msg("> check supervisor connection...")
+
+        -- init mac as needed
+        if cfg.AuthKey and string.len(cfg.AuthKey) >= 8 then
+            network.init_mac(cfg.AuthKey)
+        else
+            network.deinit_mac()
+        end
+
+        self.nic = network.nic(modem)
+
+        self.nic.closeAll()
+        self.nic.open(cfg.RTU_Channel)
+
+        self.sv_addr = comms.BROADCAST
+        self.net_listen = true
+
+        send_sv(MGMT_TYPE.ESTABLISH, { comms.version, "0.0.0", DEVICE_TYPE.RTU, {} })
+
+        tcd.dispatch_unique(8, handle_timeout)
+    else
+        if self.self_check_pass then check_complete() end
+        self.run_test_btn.enable()
+    end
+end
+
+-- exit self check back home
+---@param main_pane MultiPane
+local function exit_self_check(main_pane)
+    tcd.abort(handle_timeout)
+    self.net_listen = false
+    self.run_test_btn.enable()
+    self.sc_log.remove_all()
+    main_pane.set_value(1)
+end
+
+local check = {}
+
+-- create the self-check view
+---@param main_pane MultiPane
+---@param settings_cfg rtu_config
+---@param check_sys Div
+---@param style { [string]: cpair }
+function check.create(main_pane, settings_cfg, check_sys, style)
+    local bw_fg_bg      = style.bw_fg_bg
+    local g_lg_fg_bg    = style.g_lg_fg_bg
+    local nav_fg_bg     = style.nav_fg_bg
+    local btn_act_fg_bg = style.btn_act_fg_bg
+    local btn_dis_fg_bg = style.btn_dis_fg_bg
+
+    self.settings = settings_cfg
+
+    local sc = Div{parent=check_sys,x=2,y=4,width=49}
+
+    TextBox{parent=check_sys,x=1,y=2,text=" RTU Gateway Self-Check",fg_bg=bw_fg_bg}
+
+    self.sc_log = ListBox{parent=sc,x=1,y=1,height=12,width=49,scroll_height=1000,fg_bg=bw_fg_bg,nav_fg_bg=g_lg_fg_bg,nav_active=cpair(colors.black,colors.gray)}
+
+    local last_check = { nil, nil }
+
+    function self.self_check_msg(msg, success, fail_msg)
+        if type(msg) == "string" then
+            last_check[1] = Div{parent=self.sc_log,height=1}
+            local e = TextBox{parent=last_check[1],text=msg,fg_bg=bw_fg_bg}
+            last_check[2] = e.get_x()+string.len(msg)
+        end
+
+        if type(fail_msg) == "string" then
+            TextBox{parent=last_check[1],x=last_check[2],y=1,text=tri(success,"PASS","FAIL"),fg_bg=tri(success,cpair(colors.green,colors._INHERIT),cpair(colors.red,colors._INHERIT))}
+
+            if not success then
+                local fail = Div{parent=self.sc_log,height=#util.strwrap(fail_msg, 46)}
+                TextBox{parent=fail,x=3,text=fail_msg,fg_bg=cpair(colors.gray,colors.white)}
+            end
+
+            self.self_check_pass = self.self_check_pass and success
+        end
+    end
+
+    PushButton{parent=sc,x=1,y=14,text="\x1b Back",callback=function()exit_self_check(main_pane)end,fg_bg=nav_fg_bg,active_fg_bg=btn_act_fg_bg}
+    self.run_test_btn = PushButton{parent=sc,x=40,y=14,min_width=10,text="Run Test",callback=function()self_check()end,fg_bg=cpair(colors.black,colors.blue),active_fg_bg=btn_act_fg_bg,dis_fg_bg=btn_dis_fg_bg}
+end
+
+-- handle incoming modem messages
+---@param side string
+---@param sender integer
+---@param reply_to integer
+---@param message any
+---@param distance integer
+function check.receive_sv(side, sender, reply_to, message, distance)
+    if self.nic ~= nil and self.net_listen then
+        local s_pkt = self.nic.receive(side, sender, reply_to, message, distance)
+
+        if s_pkt and s_pkt.protocol() == PROTOCOL.SCADA_MGMT then
+            local mgmt_pkt = comms.mgmt_packet()
+            if mgmt_pkt.decode(s_pkt) then
+                tcd.abort(handle_timeout)
+                handle_packet(mgmt_pkt.get())
+            end
+        end
+    end
+end
+
+return check

rtu/config/peripherals.lua

@@ -149,7 +149,7 @@ function peripherals.create(tool_ctl, main_pane, cfg_sys, peri_cfg, style)
             reposition("This SNA is for reactor unit #    .", 46, 1, 31, 4, 7)
             self.p_idx.hide()
             self.p_assign_btn.hide(true)
-            self.p_desc_ext.set_value("Before adding lots of SNAs: multiply the \"PEAK\" rate on the flow monitor (after connecting at least 1 SNA) by 10 to get the mB/t of waste that they can process. Enough SNAs to provide 2x to 3x of your max burn rate should be a good margin to catch up after night or cloudy weather. Too many devices (such as SNAs) on one RTU can cause lag.")
+            self.p_desc_ext.set_value("Warning: too many devices on one RTU Gateway can cause lag. Note that 10x the \"PEAK\x1a\" rate on the flow monitor gives you the mB/t of waste that the SNA(s) can process. Enough SNAs to provide 2x to 3x of that unit's max burn rate should be a good margin to catch up after night or cloudy weather.")
         elseif type == "dynamicValve" then
             reposition("This is the below system's #     dynamic tank.", 29, 4, 17, 6, 8)
             self.p_assign_btn.show()

rtu/config/redstone.lua

@@ -1,4 +1,5 @@
 local constants   = require("scada-common.constants")
+local ppm         = require("scada-common.ppm")
 local rsio        = require("scada-common.rsio")
 local util        = require("scada-common.util")
 
@@ -18,8 +19,10 @@ local NumberField = require("graphics.elements.form.NumberField")
 ---@class rtu_rs_definition
 ---@field unit integer|nil
 ---@field port IO_PORT
+---@field relay string|nil
 ---@field side side
 ---@field color color|nil
+---@field invert true|nil
 
 local tri = util.trinary
 
@@ -32,6 +35,7 @@ local IO_MODE = rsio.IO_MODE
 local LEFT = core.ALIGN.LEFT
 
 local self = {
+    rs_cfg_phy = false,     ---@type string|nil|false
     rs_cfg_port = 1,        ---@type IO_PORT
     rs_cfg_editing = false, ---@type integer|false
 
@@ -41,7 +45,9 @@ local self = {
     rs_cfg_side_l = nil,    ---@type TextBox
     rs_cfg_bundled = nil,   ---@type Checkbox
     rs_cfg_color = nil,     ---@type Radio2D
-    rs_cfg_shortcut = nil   ---@type TextBox
+    rs_cfg_inverted = nil,  ---@type Checkbox
+    rs_cfg_shortcut = nil,  ---@type TextBox
+    rs_cfg_advanced = nil   ---@type PushButton
 }
 
 -- rsio port descriptions
@@ -74,11 +80,12 @@ local PORT_DESC_MAP = {
     { IO.R_PLC_FAULT, "RPS PLC Fault" },
     { IO.R_PLC_TIMEOUT, "RPS Supervisor Timeout" },
     { IO.U_ALARM, "Unit Alarm" },
-    { IO.U_EMER_COOL, "Unit Emergency Cool. Valve" }
+    { IO.U_EMER_COOL, "Unit Emergency Cool. Valve" },
+    { IO.U_AUX_COOL, "Unit Auxiliary Cool. Valve" }
 }
 
 -- designation (0 = facility, 1 = unit)
-local PORT_DSGN = { [-1] = 1, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0 }
+local PORT_DSGN = { [-1] = 1, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1 }
 
 assert(#PORT_DESC_MAP == rsio.NUM_PORTS)
 assert(#PORT_DSGN == rsio.NUM_PORTS)
@@ -104,8 +111,34 @@ local function color_to_idx(color)
     end
 end
 
+-- select the subset of redstone entries assigned to the given phy
+---@param cfg rtu_rs_definition[] the full redstone entry list
+---@param phy string|nil which phy to get redstone entries for
+---@param invert boolean? true to get all except this phy
+---@return rtu_rs_definition[]
+local function redstone_subset(cfg, phy, invert)
+    local subset = {}
+
+    for i = 1, #cfg do
+        if ((not invert) and cfg[i].relay == phy) or (invert and cfg[i].relay ~= phy) then
+            table.insert(subset, cfg[i])
+        end
+    end
+
+    return subset
+end
+
 local redstone = {}
 
+-- validate a redstone entry
+---@param def rtu_rs_definition
+function redstone.validate(def)
+    return tri(PORT_DSGN[def.port] == 1, util.is_int(def.unit) and def.unit > 0 and def.unit <= 4, def.unit == nil) and
+           rsio.is_valid_port(def.port) and
+           rsio.is_valid_side(def.side) and
+           (def.color == nil or (rsio.is_digital(def.port) and rsio.is_color(def.color)))
+end
+
 -- create the redstone configuration view
 ---@param tool_ctl _rtu_cfg_tool_ctl
 ---@param main_pane MultiPane
@@ -124,20 +157,89 @@ function redstone.create(tool_ctl, main_pane, cfg_sys, rs_cfg, style)
 
     --#region Redstone
 
-    local rs_c_1 = Div{parent=rs_cfg,x=2,y=4,width=49}
-    local rs_c_2 = Div{parent=rs_cfg,x=2,y=4,width=49}
-    local rs_c_3 = Div{parent=rs_cfg,x=2,y=4,width=49}
-    local rs_c_4 = Div{parent=rs_cfg,x=2,y=4,width=49}
-    local rs_c_5 = Div{parent=rs_cfg,x=2,y=4,width=49}
-    local rs_c_6 = Div{parent=rs_cfg,x=2,y=4,width=49}
-    local rs_c_7 = Div{parent=rs_cfg,x=2,y=4,width=49}
+    local rs_c_1  = Div{parent=rs_cfg,x=2,y=4,width=49}
+    local rs_c_2  = Div{parent=rs_cfg,x=2,y=4,width=49}
+    local rs_c_3  = Div{parent=rs_cfg,x=2,y=4,width=49}
+    local rs_c_4  = Div{parent=rs_cfg,x=2,y=4,width=49}
+    local rs_c_5  = Div{parent=rs_cfg,x=2,y=4,width=49}
+    local rs_c_6  = Div{parent=rs_cfg,x=2,y=4,width=49}
+    local rs_c_7  = Div{parent=rs_cfg,x=2,y=4,width=49}
+    local rs_c_8  = Div{parent=rs_cfg,x=2,y=4,width=49}
+    local rs_c_9  = Div{parent=rs_cfg,x=2,y=4,width=49}
+    local rs_c_10 = Div{parent=rs_cfg,x=2,y=4,width=49}
 
-    local rs_pane = MultiPane{parent=rs_cfg,x=1,y=4,panes={rs_c_1,rs_c_2,rs_c_3,rs_c_4,rs_c_5,rs_c_6,rs_c_7}}
+    local rs_pane = MultiPane{parent=rs_cfg,x=1,y=4,panes={rs_c_1,rs_c_2,rs_c_3,rs_c_4,rs_c_5,rs_c_6,rs_c_7,rs_c_8,rs_c_9,rs_c_10}}
 
-    TextBox{parent=rs_cfg,x=1,y=2,text=" Redstone Connections",fg_bg=cpair(colors.black,colors.red)}
+    local header = TextBox{parent=rs_cfg,x=1,y=2,text=" Redstone Connections",fg_bg=cpair(colors.black,colors.red)}
 
-    TextBox{parent=rs_c_1,x=1,y=1,text=" port          side/color       unit/facility",fg_bg=g_lg_fg_bg}
-    local rs_list = ListBox{parent=rs_c_1,x=1,y=2,height=11,width=49,scroll_height=200,fg_bg=bw_fg_bg,nav_fg_bg=g_lg_fg_bg,nav_active=cpair(colors.black,colors.gray)}
+    --#region Interface Selection
+
+    TextBox{parent=rs_c_1,x=1,y=1,text="Configure this computer or a redstone relay."}
+    local iface_list = ListBox{parent=rs_c_1,x=1,y=3,height=10,width=49,scroll_height=1000,fg_bg=bw_fg_bg,nav_fg_bg=g_lg_fg_bg,nav_active=cpair(colors.black,colors.gray)}
+
+    -- update relay interface list
+    function tool_ctl.update_relay_list()
+        local mounts = ppm.list_mounts()
+
+        iface_list.remove_all()
+
+        -- assemble list of configured relays
+        local relays = {}
+        for i = 1, #tmp_cfg.Redstone do
+            local def = tmp_cfg.Redstone[i]
+            if def.relay and not util.table_contains(relays, def.relay) then
+                table.insert(relays, def.relay)
+            end
+        end
+
+        -- add unconfigured connected relays
+        for name, entry in pairs(mounts) do
+            if entry.type == "redstone_relay" and not util.table_contains(relays, name) then
+                table.insert(relays, name)
+            end
+        end
+
+        local function config_rs(name)
+            header.set_value(" Redstone Connections (" .. name .. ")")
+
+            self.rs_cfg_phy = tri(name == "local", nil, name)
+
+            tool_ctl.gen_rs_summary()
+            rs_pane.set_value(2)
+        end
+
+        local line = Div{parent=iface_list,height=2,fg_bg=cpair(colors.black,colors.white)}
+        TextBox{parent=line,x=1,y=1,text="@ local",fg_bg=cpair(colors.black,colors.white)}
+        TextBox{parent=line,x=3,y=2,text="This Computer",fg_bg=cpair(colors.gray,colors.white)}
+        local count = #redstone_subset(ini_cfg.Redstone, nil)
+        TextBox{parent=line,x=33,y=2,width=16,alignment=core.ALIGN.RIGHT,text=count.." connections",fg_bg=cpair(colors.gray,colors.white)}
+
+        PushButton{parent=line,x=41,y=1,min_width=8,height=1,text="CONFIG",callback=function()config_rs("local")end,fg_bg=cpair(colors.black,colors.blue),active_fg_bg=btn_act_fg_bg,dis_fg_bg=btn_dis_fg_bg}
+
+        for i = 1, #relays do
+            local name = relays[i]
+
+            line = Div{parent=iface_list,height=2,fg_bg=cpair(colors.black,colors.white)}
+            TextBox{parent=line,x=1,y=1,text="@ "..name,fg_bg=cpair(colors.black,colors.white)}
+            TextBox{parent=line,x=3,y=2,text="Redstone Relay",fg_bg=cpair(colors.gray,colors.white)}
+            TextBox{parent=line,x=18,y=2,text=tri(mounts[name],"ONLINE","OFFLINE"),fg_bg=cpair(tri(mounts[name],colors.green,colors.red),colors.white)}
+            count = #redstone_subset(ini_cfg.Redstone, name)
+            TextBox{parent=line,x=33,y=2,width=16,alignment=core.ALIGN.RIGHT,text=count.." connections",fg_bg=cpair(colors.gray,colors.white)}
+
+            PushButton{parent=line,x=41,y=1,min_width=8,height=1,text="CONFIG",callback=function()config_rs(name)end,fg_bg=cpair(colors.black,colors.blue),active_fg_bg=btn_act_fg_bg,dis_fg_bg=btn_dis_fg_bg}
+        end
+    end
+
+    tool_ctl.update_relay_list()
+
+    PushButton{parent=rs_c_1,x=1,y=14,text="\x1b Back",callback=function()main_pane.set_value(1)end,fg_bg=nav_fg_bg,active_fg_bg=btn_act_fg_bg}
+    PushButton{parent=rs_c_1,x=27,y=14,min_width=23,text="I don't see my relay!",callback=function()rs_pane.set_value(10)end,fg_bg=cpair(colors.black,colors.yellow),active_fg_bg=btn_act_fg_bg}
+
+    --#endregion
+    --#region Configuration List
+
+    TextBox{parent=rs_c_2,x=1,y=1,text=" port          side/color       unit/facility",fg_bg=g_lg_fg_bg}
+    local rs_list = ListBox{parent=rs_c_2,x=1,y=2,height=11,width=49,scroll_height=200,fg_bg=bw_fg_bg,nav_fg_bg=g_lg_fg_bg,nav_active=cpair(colors.black,colors.gray)}
 
     local function rs_revert()
         tmp_cfg.Redstone = tool_ctl.deep_copy_rs(ini_cfg.Redstone)
@@ -145,43 +247,47 @@ function redstone.create(tool_ctl, main_pane, cfg_sys, rs_cfg, style)
     end
 
     local function rs_apply()
-        settings.set("Redstone", tmp_cfg.Redstone)
+        -- add the changed data to the existing saved data
+        local new_data = redstone_subset(tmp_cfg.Redstone, self.rs_cfg_phy)
+        local new_save = redstone_subset(ini_cfg.Redstone, self.rs_cfg_phy, true)
+        for i = 1, #new_data do table.insert(new_save, new_data[i]) end
+
+        settings.set("Redstone", new_save)
 
         if settings.save("/rtu.settings") then
             load_settings(settings_cfg, true)
             load_settings(ini_cfg)
-            rs_pane.set_value(4)
+            rs_pane.set_value(5)
 
             -- for return to list from saved screen
+            -- this will delete unsaved changes for other phy's, which is acceptable
             tmp_cfg.Redstone = tool_ctl.deep_copy_rs(ini_cfg.Redstone)
             tool_ctl.gen_rs_summary()
+            tool_ctl.update_relay_list()
         else
-            rs_pane.set_value(5)
+            rs_pane.set_value(6)
         end
     end
 
-    PushButton{parent=rs_c_1,x=1,y=14,text="\x1b Back",callback=function()main_pane.set_value(1)end,fg_bg=nav_fg_bg,active_fg_bg=btn_act_fg_bg}
-    local rs_revert_btn = PushButton{parent=rs_c_1,x=8,y=14,min_width=16,text="Revert Changes",callback=rs_revert,fg_bg=cpair(colors.black,colors.yellow),active_fg_bg=btn_act_fg_bg,dis_fg_bg=btn_dis_fg_bg}
-    PushButton{parent=rs_c_1,x=35,y=14,min_width=7,text="New +",callback=function()rs_pane.set_value(2)end,fg_bg=cpair(colors.black,colors.blue),active_fg_bg=btn_act_fg_bg}
-    local rs_apply_btn = PushButton{parent=rs_c_1,x=43,y=14,min_width=7,text="Apply",callback=rs_apply,fg_bg=cpair(colors.black,colors.green),active_fg_bg=btn_act_fg_bg,dis_fg_bg=btn_dis_fg_bg}
+    local function rs_back()
+        self.rs_cfg_phy = false
+        rs_pane.set_value(1)
+        header.set_value(" Redstone Connections")
+    end
 
-    TextBox{parent=rs_c_6,x=1,y=1,height=5,text="You already configured this input. There can only be one entry for each input.\n\nPlease select a different port."}
-    PushButton{parent=rs_c_6,x=1,y=14,text="\x1b Back",callback=function()rs_pane.set_value(2)end,fg_bg=nav_fg_bg,active_fg_bg=btn_act_fg_bg}
+    PushButton{parent=rs_c_2,x=1,y=14,text="\x1b Back",callback=rs_back,fg_bg=nav_fg_bg,active_fg_bg=btn_act_fg_bg}
+    local rs_revert_btn = PushButton{parent=rs_c_2,x=8,y=14,min_width=16,text="Revert Changes",callback=rs_revert,fg_bg=cpair(colors.black,colors.yellow),active_fg_bg=btn_act_fg_bg,dis_fg_bg=btn_dis_fg_bg}
+    PushButton{parent=rs_c_2,x=35,y=14,min_width=7,text="New +",callback=function()rs_pane.set_value(3)end,fg_bg=cpair(colors.black,colors.blue),active_fg_bg=btn_act_fg_bg}
+    local rs_apply_btn = PushButton{parent=rs_c_2,x=43,y=14,min_width=7,text="Apply",callback=rs_apply,fg_bg=cpair(colors.black,colors.green),active_fg_bg=btn_act_fg_bg,dis_fg_bg=btn_dis_fg_bg}
 
-    TextBox{parent=rs_c_2,x=1,y=1,text="Select one of the below ports to use."}
+    --#endregion
+    --#region Port Selection
 
-    local rs_ports = ListBox{parent=rs_c_2,x=1,y=3,height=10,width=49,scroll_height=200,fg_bg=bw_fg_bg,nav_fg_bg=g_lg_fg_bg,nav_active=cpair(colors.black,colors.gray)}
+    TextBox{parent=rs_c_3,x=1,y=1,text="Select one of the below ports to use."}
+
+    local rs_ports = ListBox{parent=rs_c_3,x=1,y=3,height=10,width=49,scroll_height=200,fg_bg=bw_fg_bg,nav_fg_bg=g_lg_fg_bg,nav_active=cpair(colors.black,colors.gray)}
 
     local function new_rs(port)
-        if (rsio.get_io_dir(port) == rsio.IO_DIR.IN) then
-            for i = 1, #tmp_cfg.Redstone do
-                if tmp_cfg.Redstone[i].port == port then
-                    rs_pane.set_value(6)
-                    return
-                end
-            end
-        end
-
         self.rs_cfg_editing = false
 
         local text
@@ -190,6 +296,8 @@ function redstone.create(tool_ctl, main_pane, cfg_sys, rs_cfg, style)
             self.rs_cfg_color.hide(true)
             self.rs_cfg_shortcut.show()
             self.rs_cfg_side_l.set_value("Output Side")
+            self.rs_cfg_bundled.enable()
+            self.rs_cfg_advanced.disable()
             text = "You selected the ALL_WASTE shortcut."
         else
             self.rs_cfg_shortcut.hide(true)
@@ -204,9 +312,13 @@ function redstone.create(tool_ctl, main_pane, cfg_sys, rs_cfg, style)
                 self.rs_cfg_bundled.set_value(false)
                 self.rs_cfg_bundled.disable()
                 self.rs_cfg_color.disable()
+                self.rs_cfg_inverted.set_value(false)
+                self.rs_cfg_advanced.disable()
             else
                 self.rs_cfg_bundled.enable()
                 if self.rs_cfg_bundled.get_value() then self.rs_cfg_color.enable() else self.rs_cfg_color.disable() end
+                self.rs_cfg_inverted.set_value(false)
+                self.rs_cfg_advanced.enable()
             end
 
             if io_mode == IO_MODE.DIGITAL_IN then
@@ -232,7 +344,7 @@ function redstone.create(tool_ctl, main_pane, cfg_sys, rs_cfg, style)
 
         self.rs_cfg_selection.set_value(text)
         self.rs_cfg_port = port
-        rs_pane.set_value(3)
+        rs_pane.set_value(4)
     end
 
     -- add entries to redstone option list
@@ -253,43 +365,43 @@ function redstone.create(tool_ctl, main_pane, cfg_sys, rs_cfg, style)
         TextBox{parent=entry,x=22,y=1,text=PORT_DESC_MAP[i][2],fg_bg=cpair(colors.gray,colors.white)}
     end
 
-    PushButton{parent=rs_c_2,x=1,y=14,text="\x1b Back",callback=function()rs_pane.set_value(1)end,fg_bg=nav_fg_bg,active_fg_bg=btn_act_fg_bg}
+    PushButton{parent=rs_c_3,x=1,y=14,text="\x1b Back",callback=function()rs_pane.set_value(2)end,fg_bg=nav_fg_bg,active_fg_bg=btn_act_fg_bg}
 
-    self.rs_cfg_selection = TextBox{parent=rs_c_3,x=1,y=1,height=2,text=""}
+    --#endregion
+    --#region Port Configuration
 
-    PushButton{parent=rs_c_3,x=36,y=3,text="What's that?",min_width=14,callback=function()rs_pane.set_value(7)end,fg_bg=nav_fg_bg,active_fg_bg=btn_act_fg_bg}
+    self.rs_cfg_selection = TextBox{parent=rs_c_4,x=1,y=1,height=2,text=""}
 
-    TextBox{parent=rs_c_7,x=1,y=1,height=4,text="(Normal) Digital Input: On if there is a redstone signal, off otherwise\nInverted Digital Input: On without a redstone signal, off otherwise"}
-    TextBox{parent=rs_c_7,x=1,y=6,height=4,text="(Normal) Digital Output: Redstone signal to 'turn it on', none to 'turn it off'\nInverted Digital Output: No redstone signal to 'turn it on', redstone signal to 'turn it off'"}
-    TextBox{parent=rs_c_7,x=1,y=11,height=2,text="Analog Input: 0-15 redstone power level input\nAnalog Output: 0-15 scaled redstone power level output"}
-    PushButton{parent=rs_c_7,x=1,y=14,text="\x1b Back",callback=function()rs_pane.set_value(3)end,fg_bg=nav_fg_bg,active_fg_bg=btn_act_fg_bg}
+    PushButton{parent=rs_c_4,x=36,y=3,text="What's that?",min_width=14,callback=function()rs_pane.set_value(8)end,fg_bg=nav_fg_bg,active_fg_bg=btn_act_fg_bg}
 
-    self.rs_cfg_side_l = TextBox{parent=rs_c_3,x=1,y=4,width=11,text="Output Side"}
-    local side = Radio2D{parent=rs_c_3,x=1,y=5,rows=1,columns=6,default=1,options=side_options,radio_colors=cpair(colors.lightGray,colors.black),select_color=colors.red}
+    self.rs_cfg_side_l = TextBox{parent=rs_c_4,x=1,y=4,width=11,text="Output Side"}
+    local side = Radio2D{parent=rs_c_4,x=1,y=5,rows=1,columns=6,default=1,options=side_options,radio_colors=cpair(colors.lightGray,colors.black),select_color=colors.red}
 
-    self.rs_cfg_unit_l = TextBox{parent=rs_c_3,x=25,y=7,width=7,text="Unit ID"}
-    self.rs_cfg_unit = NumberField{parent=rs_c_3,x=33,y=7,width=10,max_chars=2,min=1,max=4,fg_bg=bw_fg_bg}
+    self.rs_cfg_unit_l = TextBox{parent=rs_c_4,x=25,y=7,width=7,text="Unit ID"}
+    self.rs_cfg_unit = NumberField{parent=rs_c_4,x=33,y=7,width=10,max_chars=2,min=1,max=4,fg_bg=bw_fg_bg}
 
     local function set_bundled(bundled)
         if bundled then self.rs_cfg_color.enable() else self.rs_cfg_color.disable() end
     end
 
-    self.rs_cfg_shortcut = TextBox{parent=rs_c_3,x=1,y=9,height=4,text="This shortcut will add entries for each of the 4 waste outputs. If you select bundled, 4 colors will be assigned to the selected side. Otherwise, 4 default sides will be used."}
+    self.rs_cfg_shortcut = TextBox{parent=rs_c_4,x=1,y=9,height=4,text="This shortcut will add entries for each of the 4 waste outputs. If you select bundled, 4 colors will be assigned to the selected side. Otherwise, 4 default sides will be used."}
     self.rs_cfg_shortcut.hide(true)
 
-    self.rs_cfg_bundled = Checkbox{parent=rs_c_3,x=1,y=7,label="Is Bundled?",default=false,box_fg_bg=cpair(colors.red,colors.black),callback=set_bundled,disable_fg_bg=g_lg_fg_bg}
-    self.rs_cfg_color = Radio2D{parent=rs_c_3,x=1,y=9,rows=4,columns=4,default=1,options=color_options,radio_colors=cpair(colors.lightGray,colors.black),color_map=color_options_map,disable_color=colors.gray,disable_fg_bg=g_lg_fg_bg}
+    self.rs_cfg_bundled = Checkbox{parent=rs_c_4,x=1,y=7,label="Is Bundled?",default=false,box_fg_bg=cpair(colors.red,colors.black),callback=set_bundled,disable_fg_bg=g_lg_fg_bg}
+    self.rs_cfg_color = Radio2D{parent=rs_c_4,x=1,y=9,rows=4,columns=4,default=1,options=color_options,radio_colors=cpair(colors.lightGray,colors.black),color_map=color_options_map,disable_color=colors.gray,disable_fg_bg=g_lg_fg_bg}
     self.rs_cfg_color.disable()
 
-    local rs_err = TextBox{parent=rs_c_3,x=8,y=14,width=30,text="Unit ID must be within 1 to 4.",fg_bg=cpair(colors.red,colors.lightGray),hidden=true}
+    local rs_err = TextBox{parent=rs_c_4,x=8,y=14,width=30,text="Unit ID invalid.",fg_bg=cpair(colors.red,colors.lightGray),hidden=true}
     rs_err.hide(true)
 
     local function back_from_rs_opts()
         rs_err.hide(true)
-        if self.rs_cfg_editing ~= false then rs_pane.set_value(1) else rs_pane.set_value(2) end
+        if self.rs_cfg_editing ~= false then rs_pane.set_value(2) else rs_pane.set_value(3) end
     end
 
     local function save_rs_entry()
+        assert(self.rs_cfg_phy ~= false, "tried to save a redstone entry without a phy")
+
         local port = self.rs_cfg_port
         local u = tonumber(self.rs_cfg_unit.get_value())
 
@@ -301,11 +413,23 @@ function redstone.create(tool_ctl, main_pane, cfg_sys, rs_cfg, style)
                 local def = {
                     unit = tri(PORT_DSGN[port] == 1, u, nil),
                     port = port,
+                    relay = self.rs_cfg_phy,
                     side = side_options_map[side.get_value()],
-                    color = tri(self.rs_cfg_bundled.get_value() and rsio.is_digital(port), color_options_map[self.rs_cfg_color.get_value()], nil)
+                    color = tri(self.rs_cfg_bundled.get_value() and rsio.is_digital(port), color_options_map[self.rs_cfg_color.get_value()], nil),
+                    invert = self.rs_cfg_inverted.get_value() or nil
                 }
 
                 if self.rs_cfg_editing == false then
+                    -- check for duplicate inputs for this unit/facility
+                    if (rsio.get_io_dir(port) == rsio.IO_DIR.IN) then
+                        for i = 1, #tmp_cfg.Redstone do
+                            if tmp_cfg.Redstone[i].port == port and tmp_cfg.Redstone[i].unit == def.unit then
+                                rs_pane.set_value(7)
+                                return
+                            end
+                        end
+                    end
+
                     table.insert(tmp_cfg.Redstone, def)
                 else
                     def.port = tmp_cfg.Redstone[self.rs_cfg_editing].port
@@ -318,33 +442,55 @@ function redstone.create(tool_ctl, main_pane, cfg_sys, rs_cfg, style)
                     table.insert(tmp_cfg.Redstone, {
                         unit = tri(PORT_DSGN[IO.WASTE_PU + i] == 1, u, nil),
                         port = IO.WASTE_PU + i,
+                        relay = self.rs_cfg_phy,
                         side = tri(self.rs_cfg_bundled.get_value(), side_options_map[side.get_value()], default_sides[i + 1]),
                         color = tri(self.rs_cfg_bundled.get_value(), default_colors[i + 1], nil)
                     })
                 end
             end
 
-            rs_pane.set_value(1)
+            rs_pane.set_value(2)
             tool_ctl.gen_rs_summary()
 
             side.set_value(1)
             self.rs_cfg_bundled.set_value(false)
             self.rs_cfg_color.set_value(1)
             self.rs_cfg_color.disable()
+            self.rs_cfg_inverted.set_value(false)
+            self.rs_cfg_advanced.disable()
         else rs_err.show() end
     end
 
-    PushButton{parent=rs_c_3,x=1,y=14,text="\x1b Back",callback=back_from_rs_opts,fg_bg=nav_fg_bg,active_fg_bg=btn_act_fg_bg}
-    PushButton{parent=rs_c_3,x=41,y=14,min_width=9,text="Confirm",callback=save_rs_entry,fg_bg=cpair(colors.black,colors.blue),active_fg_bg=btn_act_fg_bg}
+    PushButton{parent=rs_c_4,x=1,y=14,text="\x1b Back",callback=back_from_rs_opts,fg_bg=nav_fg_bg,active_fg_bg=btn_act_fg_bg}
+    self.rs_cfg_advanced = PushButton{parent=rs_c_4,x=30,y=14,min_width=10,text="Advanced",callback=function()rs_pane.set_value(9)end,fg_bg=cpair(colors.black,colors.yellow),active_fg_bg=btn_act_fg_bg,dis_fg_bg=btn_dis_fg_bg}
+    PushButton{parent=rs_c_4,x=41,y=14,min_width=9,text="Confirm",callback=save_rs_entry,fg_bg=cpair(colors.black,colors.blue),active_fg_bg=btn_act_fg_bg}
 
-    TextBox{parent=rs_c_4,x=1,y=1,text="Settings saved!"}
-    PushButton{parent=rs_c_4,x=1,y=14,text="\x1b Back",callback=function()rs_pane.set_value(1)end,fg_bg=nav_fg_bg,active_fg_bg=btn_act_fg_bg}
-    PushButton{parent=rs_c_4,x=44,y=14,min_width=6,text="Home",callback=function()tool_ctl.go_home()end,fg_bg=nav_fg_bg,active_fg_bg=btn_act_fg_bg}
+    --#endregion
 
-    TextBox{parent=rs_c_5,x=1,y=1,height=5,text="Failed to save the settings file.\n\nThere may not be enough space for the modification or server file permissions may be denying writes."}
-    PushButton{parent=rs_c_5,x=1,y=14,text="\x1b Back",callback=function()rs_pane.set_value(1)end,fg_bg=nav_fg_bg,active_fg_bg=btn_act_fg_bg}
+    TextBox{parent=rs_c_5,x=1,y=1,text="Settings saved!"}
+    PushButton{parent=rs_c_5,x=1,y=14,text="\x1b Back",callback=function()rs_pane.set_value(2)end,fg_bg=nav_fg_bg,active_fg_bg=btn_act_fg_bg}
     PushButton{parent=rs_c_5,x=44,y=14,min_width=6,text="Home",callback=function()tool_ctl.go_home()end,fg_bg=nav_fg_bg,active_fg_bg=btn_act_fg_bg}
 
+    TextBox{parent=rs_c_6,x=1,y=1,height=5,text="Failed to save the settings file.\n\nThere may not be enough space for the modification or server file permissions may be denying writes."}
+    PushButton{parent=rs_c_6,x=1,y=14,text="\x1b Back",callback=function()rs_pane.set_value(2)end,fg_bg=nav_fg_bg,active_fg_bg=btn_act_fg_bg}
+    PushButton{parent=rs_c_6,x=44,y=14,min_width=6,text="Home",callback=function()tool_ctl.go_home()end,fg_bg=nav_fg_bg,active_fg_bg=btn_act_fg_bg}
+
+    TextBox{parent=rs_c_7,x=1,y=1,height=6,text="You already configured this input for this facility/unit assignment. There can only be one entry for each input per each unit or the facility (for facility inputs).\n\nPlease select a different port."}
+    PushButton{parent=rs_c_7,x=1,y=14,text="\x1b Back",callback=function()rs_pane.set_value(3)end,fg_bg=nav_fg_bg,active_fg_bg=btn_act_fg_bg}
+
+    TextBox{parent=rs_c_8,x=1,y=1,height=4,text="(Normal) Digital Input: On if there is a redstone signal, off otherwise\nInverted Digital Input: On without a redstone signal, off otherwise"}
+    TextBox{parent=rs_c_8,x=1,y=6,height=4,text="(Normal) Digital Output: Redstone signal to 'turn it on', none to 'turn it off'\nInverted Digital Output: No redstone signal to 'turn it on', redstone signal to 'turn it off'"}
+    TextBox{parent=rs_c_8,x=1,y=11,height=2,text="Analog Input: 0-15 redstone power level input\nAnalog Output: 0-15 scaled redstone power level output"}
+    PushButton{parent=rs_c_8,x=1,y=14,text="\x1b Back",callback=function()rs_pane.set_value(4)end,fg_bg=nav_fg_bg,active_fg_bg=btn_act_fg_bg}
+
+    TextBox{parent=rs_c_9,x=1,y=1,height=5,text="Advanced Options"}
+    self.rs_cfg_inverted = Checkbox{parent=rs_c_9,x=1,y=3,label="Invert",default=false,box_fg_bg=cpair(colors.red,colors.black),callback=function()end,disable_fg_bg=g_lg_fg_bg}
+    TextBox{parent=rs_c_9,x=3,y=4,height=4,text="Digital I/O is already inverted (or not) based on intended use. If you have a non-standard setup, you can use this option to avoid needing a redstone inverter.",fg_bg=cpair(colors.gray,colors.lightGray)}
+    PushButton{parent=rs_c_9,x=1,y=14,text="\x1b Back",callback=function()rs_pane.set_value(4)end,fg_bg=nav_fg_bg,active_fg_bg=btn_act_fg_bg}
+
+    TextBox{parent=rs_c_10,x=1,y=1,height=10,text="Make sure your relay is either touching the RTU gateway or connected via wired modems. There should be a wired modem on a side of the RTU gateway then one on the device, connected by a cable. The modem on the device needs to be right clicked to connect it (which will turn its border red), at which point the peripheral name will be shown in the chat."}
+    PushButton{parent=rs_c_10,x=1,y=14,text="\x1b Back",callback=function()rs_pane.set_value(1)end,fg_bg=nav_fg_bg,active_fg_bg=btn_act_fg_bg}
+
     --#endregion
 
     --#region Tool Functions
@@ -373,9 +519,11 @@ function redstone.create(tool_ctl, main_pane, cfg_sys, rs_cfg, style)
         if rsio.is_analog(def.port) then
             self.rs_cfg_bundled.set_value(false)
             self.rs_cfg_bundled.disable()
+            self.rs_cfg_advanced.disable()
         else
             self.rs_cfg_bundled.enable()
             self.rs_cfg_bundled.set_value(def.color ~= nil)
+            self.rs_cfg_advanced.enable()
         end
 
         local value = 1
@@ -390,7 +538,8 @@ function redstone.create(tool_ctl, main_pane, cfg_sys, rs_cfg, style)
         self.rs_cfg_side_l.set_value(tri(rsio.get_io_dir(def.port) == rsio.IO_DIR.IN, "Input Side", "Output Side"))
         side.set_value(side_to_idx(def.side))
         self.rs_cfg_color.set_value(value)
-        rs_pane.set_value(3)
+        self.rs_cfg_inverted.set_value(def.invert or false)
+        rs_pane.set_value(4)
     end
 
     local function delete_rs_entry(idx)
@@ -400,33 +549,41 @@ function redstone.create(tool_ctl, main_pane, cfg_sys, rs_cfg, style)
 
     -- generate the redstone summary list
     function tool_ctl.gen_rs_summary()
+        assert(self.rs_cfg_phy ~= false, "tried to generate a summary without a phy set")
+
         rs_list.remove_all()
 
-        local modified = #ini_cfg.Redstone ~= #tmp_cfg.Redstone
+        local ini = redstone_subset(ini_cfg.Redstone, self.rs_cfg_phy)
+        local tmp = redstone_subset(tmp_cfg.Redstone, self.rs_cfg_phy)
+
+        local modified = #ini ~= #tmp
 
         for i = 1, #tmp_cfg.Redstone do
             local def = tmp_cfg.Redstone[i]
 
-            local name = rsio.to_string(def.port)
-            local io_dir = tri(rsio.get_io_mode(def.port) == rsio.IO_DIR.IN, "\x1a", "\x1b")
-            local conn = def.side
-            local unit = util.strval(def.unit or "F")
+            if def.relay == self.rs_cfg_phy then
+                local name = rsio.to_string(def.port)
+                local io_dir = tri(rsio.get_io_dir(def.port) == rsio.IO_DIR.IN, "\x1a", "\x1b")
+                local io_c = tri(rsio.is_digital(def.port), colors.blue, colors.purple)
+                local conn = def.side
+                local unit = util.strval(def.unit or "F")
 
-            if def.color ~= nil then conn = def.side .. "/" .. rsio.color_name(def.color) end
+                if def.color ~= nil then conn = def.side .. "/" .. rsio.color_name(def.color) end
 
-            local entry = Div{parent=rs_list,height=1}
-            TextBox{parent=entry,x=1,y=1,width=1,text=io_dir,fg_bg=cpair(colors.lightGray,colors.white)}
-            TextBox{parent=entry,x=2,y=1,width=14,text=name}
-            TextBox{parent=entry,x=16,y=1,width=string.len(conn),text=conn,fg_bg=cpair(colors.gray,colors.white)}
-            TextBox{parent=entry,x=33,y=1,width=1,text=unit,fg_bg=cpair(colors.gray,colors.white)}
-            PushButton{parent=entry,x=35,y=1,min_width=6,height=1,text="EDIT",callback=function()edit_rs_entry(i)end,fg_bg=cpair(colors.black,colors.blue),active_fg_bg=btn_act_fg_bg}
-            PushButton{parent=entry,x=41,y=1,min_width=8,height=1,text="DELETE",callback=function()delete_rs_entry(i)end,fg_bg=cpair(colors.black,colors.red),active_fg_bg=btn_act_fg_bg}
+                local entry = Div{parent=rs_list,height=1}
+                TextBox{parent=entry,x=1,y=1,width=1,text=io_dir,fg_bg=cpair(tri(def.invert,colors.orange,io_c),colors.white)}
+                TextBox{parent=entry,x=2,y=1,width=14,text=name}
+                TextBox{parent=entry,x=16,y=1,width=string.len(conn),text=conn,fg_bg=cpair(colors.gray,colors.white)}
+                TextBox{parent=entry,x=33,y=1,width=1,text=unit,fg_bg=cpair(colors.gray,colors.white)}
+                PushButton{parent=entry,x=35,y=1,min_width=6,height=1,text="EDIT",callback=function()edit_rs_entry(i)end,fg_bg=cpair(colors.black,colors.blue),active_fg_bg=btn_act_fg_bg}
+                PushButton{parent=entry,x=41,y=1,min_width=8,height=1,text="DELETE",callback=function()delete_rs_entry(i)end,fg_bg=cpair(colors.black,colors.red),active_fg_bg=btn_act_fg_bg}
 
-            if not modified then
-                local a = ini_cfg.Redstone[i]
-                local b = tmp_cfg.Redstone[i]
+                if not modified then
+                    local a = ini_cfg.Redstone[i]
+                    local b = tmp_cfg.Redstone[i]
 
-                modified = (a.unit ~= b.unit) or (a.port ~= b.port) or (a.side ~= b.side) or (a.color ~= b.color)
+                    modified = (a.unit ~= b.unit) or (a.port ~= b.port) or (a.relay ~= b.relay) or (a.side ~= b.side) or (a.color ~= b.color) or (a.invert ~= b.invert)
+                end
             end
         end
 

rtu/config/system.lua

@@ -646,7 +646,7 @@ function system.create(tool_ctl, main_pane, cfg_sys, divs, ext, style)
             local c = tri(alternate, g_lg_fg_bg, cpair(colors.gray,colors.white))
             alternate = not alternate
 
-            if string.len(val) > val_max_w then
+            if (string.len(val) > val_max_w) or string.find(val, "\n") then
                 local lines = util.strwrap(val, inner_width)
                 height = #lines + 1
             end

rtu/configure.lua

@@ -7,6 +7,7 @@ local ppm         = require("scada-common.ppm")
 local tcd         = require("scada-common.tcd")
 local util        = require("scada-common.util")
 
+local check       = require("rtu.config.check")
 local peripherals = require("rtu.config.peripherals")
 local redstone    = require("rtu.config.redstone")
 local system      = require("rtu.config.system")
@@ -34,7 +35,9 @@ local changes = {
     { "v1.7.9", { "ConnTimeout can now have a fractional part" } },
     { "v1.7.15", { "Added front panel UI theme", "Added color accessibility modes" } },
     { "v1.9.2", { "Added standard with black off state color mode", "Added blue indicator color modes" } },
-    { "v1.10.2", { "Re-organized peripheral configuration UI, resulting in some input fields being re-ordered" } }
+    { "v1.10.2", { "Re-organized peripheral configuration UI, resulting in some input fields being re-ordered" } },
+    { "v1.11.8", { "Added advanced option to invert digital redstone signals" } },
+    { "v1.12.0", { "Added support for redstone relays" } }
 }
 
 ---@class rtu_configurator
@@ -74,6 +77,7 @@ local tool_ctl = {
     gen_summary = nil,        ---@type function
     load_legacy = nil,        ---@type function
     update_peri_list = nil,   ---@type function
+    update_relay_list = nil,  ---@type function
     gen_peri_summary = nil,   ---@type function
     gen_rs_summary = nil,     ---@type function
 }
@@ -115,6 +119,7 @@ local fields = {
 }
 
 -- deep copy peripherals defs
+---@param data rtu_peri_definition[]
 function tool_ctl.deep_copy_peri(data)
     local array = {}
     for _, d in ipairs(data) do table.insert(array, { unit = d.unit, index = d.index, name = d.name }) end
@@ -122,9 +127,10 @@ function tool_ctl.deep_copy_peri(data)
 end
 
 -- deep copy redstone defs
+---@param data rtu_rs_definition[]
 function tool_ctl.deep_copy_rs(data)
     local array = {}
-    for _, d in ipairs(data) do table.insert(array, { unit = d.unit, port = d.port, side = d.side, color = d.color }) end
+    for _, d in ipairs(data) do table.insert(array, { unit = d.unit, port = d.port, relay = d.relay, side = d.side, color = d.color, invert = d.invert }) end
     return array
 end
 
@@ -169,8 +175,9 @@ local function config_view(display)
     local changelog = Div{parent=root_pane_div,x=1,y=1}
     local peri_cfg = Div{parent=root_pane_div,x=1,y=1}
     local rs_cfg = Div{parent=root_pane_div,x=1,y=1}
+    local check_sys = Div{parent=root_pane_div,x=1,y=1}
 
-    local main_pane = MultiPane{parent=root_pane_div,x=1,y=1,panes={main_page,spkr_cfg,net_cfg,log_cfg,clr_cfg,summary,changelog,peri_cfg,rs_cfg}}
+    local main_pane = MultiPane{parent=root_pane_div,x=1,y=1,panes={main_page,spkr_cfg,net_cfg,log_cfg,clr_cfg,summary,changelog,peri_cfg,rs_cfg,check_sys}}
 
     --#region Main Page
 
@@ -203,7 +210,6 @@ local function config_view(display)
     end
 
     local function show_rs_conns()
-        tool_ctl.gen_rs_summary()
         main_pane.set_value(9)
     end
 
@@ -226,8 +232,9 @@ local function config_view(display)
 
     PushButton{parent=main_page,x=2,y=17,min_width=6,text="Exit",callback=exit,fg_bg=cpair(colors.black,colors.red),active_fg_bg=btn_act_fg_bg}
     local start_btn = PushButton{parent=main_page,x=42,y=17,min_width=9,text="Startup",callback=startup,fg_bg=cpair(colors.black,colors.green),active_fg_bg=btn_act_fg_bg,dis_fg_bg=btn_dis_fg_bg}
-    tool_ctl.color_cfg = PushButton{parent=main_page,x=36,y=y_start,min_width=15,text="Color Options",callback=jump_color,fg_bg=nav_fg_bg,active_fg_bg=btn_act_fg_bg,dis_fg_bg=btn_dis_fg_bg}
-    PushButton{parent=main_page,x=39,y=y_start+2,min_width=12,text="Change Log",callback=function()main_pane.set_value(7)end,fg_bg=nav_fg_bg,active_fg_bg=btn_act_fg_bg}
+    PushButton{parent=main_page,x=39,y=y_start,min_width=12,text="Self-Check",callback=function()main_pane.set_value(10)end,fg_bg=nav_fg_bg,active_fg_bg=btn_act_fg_bg,dis_fg_bg=btn_dis_fg_bg}
+    tool_ctl.color_cfg = PushButton{parent=main_page,x=36,y=y_start+2,min_width=15,text="Color Options",callback=jump_color,fg_bg=nav_fg_bg,active_fg_bg=btn_act_fg_bg,dis_fg_bg=btn_dis_fg_bg}
+    PushButton{parent=main_page,x=39,y=y_start+4,min_width=12,text="Change Log",callback=function()main_pane.set_value(7)end,fg_bg=nav_fg_bg,active_fg_bg=btn_act_fg_bg}
 
     if tool_ctl.ask_config then start_btn.disable() end
 
@@ -283,6 +290,12 @@ local function config_view(display)
     PushButton{parent=cl,x=1,y=14,text="\x1b Back",callback=function()main_pane.set_value(1)end,fg_bg=nav_fg_bg,active_fg_bg=btn_act_fg_bg}
 
     --#endregion
+
+    --#region Self-Check
+
+    check.create(main_pane, settings_cfg, check_sys, style)
+
+    --#endregion
 end
 
 -- reset terminal screen
@@ -317,7 +330,7 @@ function configurator.configure(ask_config)
         config_view(display)
 
         while true do
-            local event, param1, param2, param3 = util.pull_event()
+            local event, param1, param2, param3, param4, param5 = util.pull_event()
 
             -- handle event
             if event == "timer" then
@@ -330,14 +343,18 @@ function configurator.configure(ask_config)
                 if k_e then display.handle_key(k_e) end
             elseif event == "paste" then
                 display.handle_paste(param1)
+            elseif event == "modem_message" then
+                check.receive_sv(param1, param2, param3, param4, param5)
             elseif event == "peripheral_detach" then
 ---@diagnostic disable-next-line: discard-returns
                 ppm.handle_unmount(param1)
                 tool_ctl.update_peri_list()
+                tool_ctl.update_relay_list()
             elseif event == "peripheral" then
 ---@diagnostic disable-next-line: discard-returns
                 ppm.mount(param1)
                 tool_ctl.update_peri_list()
+                tool_ctl.update_relay_list()
             end
 
             if event == "terminate" then return end

rtu/dev/redstone_rtu.lua

@@ -11,10 +11,14 @@ local digital_write = rsio.digital_write
 
 -- create new redstone device
 ---@nodiscard
+---@param relay? table optional redstone relay to use instead of the computer's redstone interface
 ---@return rtu_rs_device interface, boolean faulted
-function redstone_rtu.new()
+function redstone_rtu.new(relay)
     local unit = rtu.init_unit()
 
+    -- physical interface to use
+    local phy = relay or rs
+
     -- get RTU interface
     local interface = unit.interface()
 
@@ -30,85 +34,114 @@ function redstone_rtu.new()
         write_holding_reg = interface.write_holding_reg
     }
 
+    -- change the phy in use (a relay or rs)
+    ---@param new_phy table
+    function public.remount_phy(new_phy) phy = new_phy end
+
+    -- NOTE: for runtime speed, inversion logic results in extra code here but less code when functions are called
+
     -- link digital input
     ---@param side string
     ---@param color integer
-    function public.link_di(side, color)
-        local f_read    ---@type function
+    ---@param invert boolean|nil
+    ---@return integer count count of digital inputs
+    function public.link_di(side, color, invert)
+        local f_read ---@type function
 
         if color then
-            f_read = function ()
-                return digital_read(rs.testBundledInput(side, color))
+            if invert then
+                f_read = function () return digital_read(not phy.testBundledInput(side, color)) end
+            else
+                f_read = function () return digital_read(phy.testBundledInput(side, color)) end
             end
         else
-            f_read = function ()
-                return digital_read(rs.getInput(side))
+            if invert then
+                f_read = function () return digital_read(not phy.getInput(side)) end
+            else
+                f_read = function () return digital_read(phy.getInput(side)) end
             end
         end
 
-        unit.connect_di(f_read)
+        return unit.connect_di(f_read)
     end
 
     -- link digital output
     ---@param side string
     ---@param color integer
-    function public.link_do(side, color)
-        local f_read    ---@type function
-        local f_write   ---@type function
+    ---@param invert boolean|nil
+    ---@return integer count count of digital outputs
+    function public.link_do(side, color, invert)
+        local f_read  ---@type function
+        local f_write ---@type function
 
         if color then
-            f_read = function ()
-                return digital_read(colors.test(rs.getBundledOutput(side), color))
-            end
+            if invert then
+                f_read = function () return digital_read(not colors.test(phy.getBundledOutput(side), color)) end
 
-            f_write = function (level)
-                if level ~= IO_LVL.FLOATING and level ~= IO_LVL.DISCONNECT then
-                    local output = rs.getBundledOutput(side)
+                f_write = function (level)
+                    if level ~= IO_LVL.FLOATING and level ~= IO_LVL.DISCONNECT then
+                        local output = phy.getBundledOutput(side)
 
-                    if digital_write(level) then
-                        output = colors.combine(output, color)
-                    else
-                        output = colors.subtract(output, color)
+                        -- inverted conditions
+                        if digital_write(level) then
+                            output = colors.subtract(output, color)
+                        else output = colors.combine(output, color) end
+
+                        phy.setBundledOutput(side, output)
                     end
+                end
+            else
+                f_read = function () return digital_read(colors.test(phy.getBundledOutput(side), color)) end
 
-                    rs.setBundledOutput(side, output)
+                f_write = function (level)
+                    if level ~= IO_LVL.FLOATING and level ~= IO_LVL.DISCONNECT then
+                        local output = phy.getBundledOutput(side)
+
+                        if digital_write(level) then
+                            output = colors.combine(output, color)
+                        else output = colors.subtract(output, color) end
+
+                        phy.setBundledOutput(side, output)
+                    end
                 end
             end
         else
-            f_read = function ()
-                return digital_read(rs.getOutput(side))
-            end
+            if invert then
+                f_read = function () return digital_read(not phy.getOutput(side)) end
 
-            f_write = function (level)
-                if level ~= IO_LVL.FLOATING and level ~= IO_LVL.DISCONNECT then
-                    rs.setOutput(side, digital_write(level))
+                f_write = function (level)
+                    if level ~= IO_LVL.FLOATING and level ~= IO_LVL.DISCONNECT then
+                        phy.setOutput(side, not digital_write(level))
+                    end
+                end
+            else
+                f_read = function () return digital_read(phy.getOutput(side)) end
+
+                f_write = function (level)
+                    if level ~= IO_LVL.FLOATING and level ~= IO_LVL.DISCONNECT then
+                        phy.setOutput(side, digital_write(level))
+                    end
                 end
             end
         end
 
-        unit.connect_coil(f_read, f_write)
+        return unit.connect_coil(f_read, f_write)
     end
 
     -- link analog input
     ---@param side string
+    ---@return integer count count of analog inputs
     function public.link_ai(side)
-        unit.connect_input_reg(
-            function ()
-                return rs.getAnalogInput(side)
-            end
-        )
+        return unit.connect_input_reg(function () return phy.getAnalogInput(side) end)
     end
 
     -- link analog output
     ---@param side string
+    ---@return integer count count of analog outputs
     function public.link_ao(side)
-        unit.connect_holding_reg(
-            function ()
-                return rs.getAnalogOutput(side)
-            end,
-            function (value)
-                rs.setAnalogOutput(side, value)
-            end
+        return unit.connect_holding_reg(
+            function () return phy.getAnalogOutput(side) end,
+            function (value) phy.setAnalogOutput(side, value) end
         )
     end
 

rtu/modbus.lua

@@ -399,43 +399,41 @@ function modbus.new(rtu_dev, use_parallel_read)
     return public
 end
 
+-- create an error reply
+---@nodiscard
+---@param packet modbus_frame MODBUS packet frame
+---@param code MODBUS_EXCODE exception code
+---@return modbus_packet reply
+local function excode_reply(packet, code)
+    -- reply back with error flag and exception code
+    local reply = comms.modbus_packet()
+    local fcode = bit.bor(packet.func_code, MODBUS_FCODE.ERROR_FLAG)
+    reply.make(packet.txn_id, packet.unit_id, fcode, { code })
+    return reply
+end
+
+-- return a SERVER_DEVICE_FAIL error reply
+---@nodiscard
+---@param packet modbus_frame MODBUS packet frame
+---@return modbus_packet reply
+function modbus.reply__srv_device_fail(packet) return excode_reply(packet, MODBUS_EXCODE.SERVER_DEVICE_FAIL) end
+
 -- return a SERVER_DEVICE_BUSY error reply
 ---@nodiscard
 ---@param packet modbus_frame MODBUS packet frame
 ---@return modbus_packet reply
-function modbus.reply__srv_device_busy(packet)
-    -- reply back with error flag and exception code
-    local reply = comms.modbus_packet()
-    local fcode = bit.bor(packet.func_code, MODBUS_FCODE.ERROR_FLAG)
-    local data = { MODBUS_EXCODE.SERVER_DEVICE_BUSY }
-    reply.make(packet.txn_id, packet.unit_id, fcode, data)
-    return reply
-end
+function modbus.reply__srv_device_busy(packet) return excode_reply(packet, MODBUS_EXCODE.SERVER_DEVICE_BUSY) end
 
 -- return a NEG_ACKNOWLEDGE error reply
 ---@nodiscard
 ---@param packet modbus_frame MODBUS packet frame
 ---@return modbus_packet reply
-function modbus.reply__neg_ack(packet)
-    -- reply back with error flag and exception code
-    local reply = comms.modbus_packet()
-    local fcode = bit.bor(packet.func_code, MODBUS_FCODE.ERROR_FLAG)
-    local data = { MODBUS_EXCODE.NEG_ACKNOWLEDGE }
-    reply.make(packet.txn_id, packet.unit_id, fcode, data)
-    return reply
-end
+function modbus.reply__neg_ack(packet) return excode_reply(packet, MODBUS_EXCODE.NEG_ACKNOWLEDGE) end
 
 -- return a GATEWAY_PATH_UNAVAILABLE error reply
 ---@nodiscard
 ---@param packet modbus_frame MODBUS packet frame
 ---@return modbus_packet reply
-function modbus.reply__gw_unavailable(packet)
-    -- reply back with error flag and exception code
-    local reply = comms.modbus_packet()
-    local fcode = bit.bor(packet.func_code, MODBUS_FCODE.ERROR_FLAG)
-    local data = { MODBUS_EXCODE.GATEWAY_PATH_UNAVAILABLE }
-    reply.make(packet.txn_id, packet.unit_id, fcode, data)
-    return reply
-end
+function modbus.reply__gw_unavailable(packet) return excode_reply(packet, MODBUS_EXCODE.GATEWAY_PATH_UNAVAILABLE) end
 
 return modbus

rtu/panel/front_panel.lua

@@ -19,7 +19,8 @@ local LED           = require("graphics.elements.indicators.LED")
 local LEDPair       = require("graphics.elements.indicators.LEDPair")
 local RGBLED        = require("graphics.elements.indicators.RGBLED")
 
-local LINK_STATE = types.PANEL_LINK_STATE
+local LINK_STATE    = types.PANEL_LINK_STATE
+local RTU_UNIT_TYPE = types.RTU_UNIT_TYPE
 
 local ALIGN = core.ALIGN
 
@@ -35,13 +36,15 @@ local UNIT_TYPE_LABELS = { "UNKNOWN", "REDSTONE", "BOILER", "TURBINE", "DYNAMIC
 local function init(panel, units)
     local disabled_fg = style.fp.disabled_fg
 
+    local term_w, term_h = term.getSize()
+
     TextBox{parent=panel,y=1,text="RTU GATEWAY",alignment=ALIGN.CENTER,fg_bg=style.theme.header}
 
     --
     -- system indicators
     --
 
-    local system = Div{parent=panel,width=14,height=18,x=2,y=3}
+    local system = Div{parent=panel,width=14,height=term_h-5,x=2,y=3}
 
     local on = LED{parent=system,label="STATUS",colors=cpair(colors.green,colors.red)}
     local heartbeat = LED{parent=system,label="HEARTBEAT",colors=ind_grn}
@@ -53,7 +56,7 @@ local function init(panel, units)
     local modem = LED{parent=system,label="MODEM",colors=ind_grn}
 
     if not style.colorblind then
-        local network = RGBLED{parent=system,label="NETWORK",colors={colors.green,colors.red,colors.orange,colors.yellow,style.ind_bkg}}
+        local network = RGBLED{parent=system,label="NETWORK",colors={colors.green,colors.red,colors.yellow,colors.orange,style.ind_bkg}}
         network.update(types.PANEL_LINK_STATE.DISCONNECTED)
         network.register(databus.ps, "link_state", network.update)
     else
@@ -100,17 +103,17 @@ local function init(panel, units)
     local comp_id = util.sprintf("(%d)", os.getComputerID())
     TextBox{parent=system,x=9,y=4,width=6,text=comp_id,fg_bg=disabled_fg}
 
-    TextBox{parent=system,x=1,y=14,text="SPEAKERS",width=8,fg_bg=style.fp.text_fg}
-    local speaker_count = DataIndicator{parent=system,x=10,y=14,label="",format="%3d",value=0,width=3,fg_bg=style.theme.field_box}
+    TextBox{parent=system,y=term_h-5,text="SPEAKERS",width=8,fg_bg=style.fp.text_fg}
+    local speaker_count = DataIndicator{parent=system,x=10,y=term_h-5,label="",format="%3d",value=0,width=3,fg_bg=style.theme.field_box}
     speaker_count.register(databus.ps, "speaker_count", speaker_count.update)
 
     --
     -- about label
     --
 
-    local about   = Div{parent=panel,width=15,height=3,x=1,y=18,fg_bg=disabled_fg}
-    local fw_v    = TextBox{parent=about,x=1,y=1,text="FW: v00.00.00"}
-    local comms_v = TextBox{parent=about,x=1,y=2,text="NT: v00.00.00"}
+    local about   = Div{parent=panel,width=15,height=2,y=term_h-1,fg_bg=disabled_fg}
+    local fw_v    = TextBox{parent=about,text="FW: v00.00.00"}
+    local comms_v = TextBox{parent=about,text="NT: v00.00.00"}
 
     fw_v.register(databus.ps, "version", function (version) fw_v.set_value(util.c("FW: ", version)) end)
     comms_v.register(databus.ps, "comms_version", function (version) comms_v.set_value(util.c("NT: v", version)) end)
@@ -119,38 +122,53 @@ local function init(panel, units)
     -- unit status list
     --
 
-    local threads = Div{parent=panel,width=8,height=18,x=17,y=3}
+    local threads = Div{parent=panel,width=8,height=term_h-3,x=17,y=3}
 
-    -- display up to 16 units
-    local list_length = math.min(#units, 16)
+    -- display as many units as we can with 1 line of padding above and below
+    local list_length = math.min(#units, term_h - 3)
 
     -- show routine statuses
     for i = 1, list_length do
         TextBox{parent=threads,x=1,y=i,text=util.sprintf("%02d",i)}
-        local rt_unit = LED{parent=threads,x=4,y=i,label="RT",colors=ind_grn}
+        local rt_unit = LED{parent=threads,x=4,y=i,label="RT",colors=util.trinary(units[i].type~=RTU_UNIT_TYPE.REDSTONE,ind_grn,cpair(style.ind_bkg,style.ind_bkg))}
         rt_unit.register(databus.ps, "routine__unit_" .. i, rt_unit.update)
     end
 
-    local unit_hw_statuses = Div{parent=panel,height=18,x=25,y=3}
+    local unit_hw_statuses = Div{parent=panel,height=term_h-3,x=25,y=3}
+
+    local relay_counter = 0
 
     -- show hardware statuses
     for i = 1, list_length do
         local unit = units[i]
 
+        local is_rs = unit.type == RTU_UNIT_TYPE.REDSTONE
+
         -- hardware status
         local unit_hw = RGBLED{parent=unit_hw_statuses,y=i,label="",colors={colors.red,colors.orange,colors.yellow,colors.green}}
 
         unit_hw.register(databus.ps, "unit_hw_" .. i, unit_hw.update)
 
         -- unit name identifier (type + index)
-        local function get_name(t) return util.c(UNIT_TYPE_LABELS[t + 1], " ", util.trinary(util.is_int(unit.index), unit.index, "")) end
-        local name_box = TextBox{parent=unit_hw_statuses,y=i,x=3,text=get_name(unit.type),width=15}
+        local function get_name()
+            if is_rs then
+                local is_local = unit.name == "redstone_local"
+                relay_counter = relay_counter + util.trinary(is_local, 0, 1)
+                return util.c("REDSTONE", util.trinary(is_local, "", " RELAY " .. relay_counter))
+            else
+                return util.c(UNIT_TYPE_LABELS[unit.type + 1], " ", util.trinary(util.is_int(unit.index), unit.index, ""))
+            end
+        end
 
-        name_box.register(databus.ps, "unit_type_" .. i, function (t) name_box.set_value(get_name(t)) end)
+        local name_box = TextBox{parent=unit_hw_statuses,y=i,x=3,text=get_name(),width=util.trinary(is_rs,24,15)}
+
+        name_box.register(databus.ps, "unit_type_" .. i, function () name_box.set_value(get_name()) end)
 
         -- assignment (unit # or facility)
-        local for_unit = util.trinary(unit.reactor == 0, "\x1a FACIL ", "\x1a UNIT " .. unit.reactor)
-        TextBox{parent=unit_hw_statuses,y=i,x=19,text=for_unit,fg_bg=disabled_fg}
+        if unit.reactor then
+            local for_unit = util.trinary(unit.reactor == 0, "\x1a FACIL ", "\x1a UNIT " .. unit.reactor)
+            TextBox{parent=unit_hw_statuses,y=i,x=term_w-32,text=for_unit,fg_bg=disabled_fg}
+        end
     end
 end
 

rtu/rtu.lua

@@ -46,36 +46,42 @@ function rtu.load_config()
     config.FrontPanelTheme = settings.get("FrontPanelTheme")
     config.ColorMode = settings.get("ColorMode")
 
+    return rtu.validate_config(config)
+end
+
+-- validate an RTU gateway configuration
+---@param cfg rtu_config
+function rtu.validate_config(cfg)
     local cfv = util.new_validator()
 
-    cfv.assert_type_num(config.SpeakerVolume)
-    cfv.assert_range(config.SpeakerVolume, 0, 3)
+    cfv.assert_type_num(cfg.SpeakerVolume)
+    cfv.assert_range(cfg.SpeakerVolume, 0, 3)
 
-    cfv.assert_channel(config.SVR_Channel)
-    cfv.assert_channel(config.RTU_Channel)
-    cfv.assert_type_num(config.ConnTimeout)
-    cfv.assert_min(config.ConnTimeout, 2)
-    cfv.assert_type_num(config.TrustedRange)
-    cfv.assert_min(config.TrustedRange, 0)
-    cfv.assert_type_str(config.AuthKey)
+    cfv.assert_channel(cfg.SVR_Channel)
+    cfv.assert_channel(cfg.RTU_Channel)
+    cfv.assert_type_num(cfg.ConnTimeout)
+    cfv.assert_min(cfg.ConnTimeout, 2)
+    cfv.assert_type_num(cfg.TrustedRange)
+    cfv.assert_min(cfg.TrustedRange, 0)
+    cfv.assert_type_str(cfg.AuthKey)
 
-    if type(config.AuthKey) == "string" then
-        local len = string.len(config.AuthKey)
+    if type(cfg.AuthKey) == "string" then
+        local len = string.len(cfg.AuthKey)
         cfv.assert(len == 0 or len >= 8)
     end
 
-    cfv.assert_type_int(config.LogMode)
-    cfv.assert_range(config.LogMode, 0, 1)
-    cfv.assert_type_str(config.LogPath)
-    cfv.assert_type_bool(config.LogDebug)
+    cfv.assert_type_int(cfg.LogMode)
+    cfv.assert_range(cfg.LogMode, 0, 1)
+    cfv.assert_type_str(cfg.LogPath)
+    cfv.assert_type_bool(cfg.LogDebug)
 
-    cfv.assert_type_int(config.FrontPanelTheme)
-    cfv.assert_range(config.FrontPanelTheme, 1, 2)
-    cfv.assert_type_int(config.ColorMode)
-    cfv.assert_range(config.ColorMode, 1, themes.COLOR_MODE.NUM_MODES)
+    cfv.assert_type_int(cfg.FrontPanelTheme)
+    cfv.assert_range(cfg.FrontPanelTheme, 1, 2)
+    cfv.assert_type_int(cfg.ColorMode)
+    cfv.assert_range(cfg.ColorMode, 1, themes.COLOR_MODE.NUM_MODES)
 
-    cfv.assert_type_table(config.Peripherals)
-    cfv.assert_type_table(config.Redstone)
+    cfv.assert_type_table(cfg.Peripherals)
+    cfv.assert_type_table(cfg.Redstone)
 
     return cfv.valid()
 end
@@ -332,13 +338,7 @@ function rtu.comms(version, nic, conn_watchdog)
             local unit = units[i]
 
             if unit.type ~= nil then
-                local advert = { unit.type, unit.index, unit.reactor }
-
-                if unit.type == RTU_UNIT_TYPE.REDSTONE then
-                    insert(advert, unit.device)
-                end
-
-                insert(advertisement, advert)
+                insert(advertisement, { unit.type, unit.index, unit.reactor or -1, unit.rs_conns })
             end
         end
 
@@ -471,9 +471,10 @@ function rtu.comms(version, nic, conn_watchdog)
                         local unit = units[packet.unit_id]
                         local unit_dbg_tag = " (unit " .. packet.unit_id .. ")"
 
-                        if unit.name == "redstone_io" then
+                        if unit.type == RTU_UNIT_TYPE.REDSTONE then
                             -- immediately execute redstone RTU requests
                             return_code, reply = unit.modbus_io.handle_packet(packet)
+
                             if not return_code then
                                 log.warning("requested MODBUS operation failed" .. unit_dbg_tag)
                             end
@@ -490,7 +491,7 @@ function rtu.comms(version, nic, conn_watchdog)
                                     unit.pkt_queue.push_packet(packet)
                                 end
                             else
-                                log.warning("cannot perform requested MODBUS operation" .. unit_dbg_tag)
+                                log.warning("requested MODBUS operation failed" .. unit_dbg_tag)
                             end
                         end
                     else

rtu/startup.lua

@@ -31,7 +31,7 @@ local sna_rtu      = require("rtu.dev.sna_rtu")
 local sps_rtu      = require("rtu.dev.sps_rtu")
 local turbinev_rtu = require("rtu.dev.turbinev_rtu")
 
-local RTU_VERSION = "v1.11.0"
+local RTU_VERSION = "v1.12.1"
 
 local RTU_UNIT_TYPE = types.RTU_UNIT_TYPE
 local RTU_HW_STATE = databus.RTU_HW_STATE
@@ -140,32 +140,36 @@ local function main()
     local rtu_redstone = config.Redstone
     local rtu_devices = config.Peripherals
 
+    -- get a string representation of a port interface
+    ---@param entry rtu_rs_definition
+    ---@return string
+    local function entry_iface_name(entry)
+        return util.trinary(entry.color ~= nil, util.c(entry.side, "/", rsio.color_name(entry.color)), entry.side)
+    end
+
     -- configure RTU gateway based on settings file definitions
     local function sys_config()
-        -- redstone interfaces
-        local rs_rtus = {}  ---@type { rtu: rtu_rs_device, capabilities: IO_PORT[] }[]
+        --#region Redstone Interfaces
+
+        local rs_rtus   = {} ---@type { name: string, hw_state: RTU_HW_STATE, rtu: rtu_rs_device, phy: table, banks: rtu_rs_definition[][] }[]
+        local all_conns = { [0] = {}, {}, {}, {}, {} }
 
         -- go through redstone definitions list
         for entry_idx = 1, #rtu_redstone do
             local entry = rtu_redstone[entry_idx]
+
             local assignment
             local for_reactor = entry.unit
-            local iface_name = util.trinary(entry.color ~= nil, util.c(entry.side, "/", rsio.color_name(entry.color)), entry.side)
+            local phy         = entry.relay or 0
+            local phy_name    = entry.relay or "local"
+            local iface_name  = entry_iface_name(entry)
 
             if util.is_int(entry.unit) and entry.unit > 0 and entry.unit < 5 then
                 ---@cast for_reactor integer
                 assignment = "reactor unit " .. entry.unit
-                if rs_rtus[for_reactor] == nil then
-                    log.debug(util.c("sys_config> allocated redstone RTU for reactor unit ", entry.unit))
-                    rs_rtus[for_reactor] = { rtu = redstone_rtu.new(), capabilities = {} }
-                end
             elseif entry.unit == nil then
                 assignment = "facility"
                 for_reactor = 0
-                if rs_rtus[for_reactor] == nil then
-                    log.debug(util.c("sys_config> allocated redstone RTU for the facility"))
-                    rs_rtus[for_reactor] = { rtu = redstone_rtu.new(), capabilities = {} }
-                end
             else
                 local message = util.c("sys_config> invalid unit assignment at block index #", entry_idx)
                 println(message)
@@ -173,14 +177,44 @@ local function main()
                 return false
             end
 
+            -- create the appropriate RTU if it doesn't exist and check relay name validity
+            if entry.relay then
+                if type(entry.relay) ~= "string" then
+                    local message = util.c("sys_config> invalid redstone relay '", entry.relay, '"')
+                    println(message)
+                    log.fatal(message)
+                    return false
+                elseif not rs_rtus[entry.relay] then
+                    log.debug(util.c("sys_config> allocated relay redstone RTU on interface ", entry.relay))
+
+                    local hw_state = RTU_HW_STATE.OK
+                    local relay    = ppm.get_periph(entry.relay)
+
+                    if not relay then
+                        hw_state = RTU_HW_STATE.OFFLINE
+                        log.warning(util.c("sys_config> redstone relay ", entry.relay, " is not connected"))
+                        local _, v_device = ppm.mount_virtual()
+                        relay = v_device
+                    elseif ppm.get_type(entry.relay) ~= "redstone_relay" then
+                        hw_state = RTU_HW_STATE.FAULTED
+                        log.warning(util.c("sys_config> redstone relay ", entry.relay, " is not a redstone relay"))
+                    end
+
+                    rs_rtus[entry.relay] = { name = entry.relay, hw_state = hw_state, rtu = redstone_rtu.new(relay), phy = relay, banks = { [0] = {}, {}, {}, {}, {} } }
+                end
+            elseif rs_rtus[0] == nil then
+                log.debug(util.c("sys_config> allocated local redstone RTU"))
+                rs_rtus[0] = { name = "redstone_local", hw_state = RTU_HW_STATE.OK, rtu = redstone_rtu.new(), phy = rs, banks = { [0] = {}, {}, {}, {}, {} } }
+            end
+
             -- verify configuration
             local valid = false
             if rsio.is_valid_port(entry.port) and rsio.is_valid_side(entry.side) then
                 valid = util.trinary(entry.color == nil, true, rsio.is_color(entry.color))
             end
 
-            local rs_rtu = rs_rtus[for_reactor].rtu
-            local capabilities = rs_rtus[for_reactor].capabilities
+            local bank  = rs_rtus[phy].banks[for_reactor]
+            local conns = all_conns[for_reactor]
 
             if not valid then
                 local message = util.c("sys_config> invalid redstone definition at block index #", entry_idx)
@@ -192,73 +226,105 @@ local function main()
                 local mode = rsio.get_io_mode(entry.port)
                 if mode == rsio.IO_MODE.DIGITAL_IN then
                     -- can't have duplicate inputs
-                    if util.table_contains(capabilities, entry.port) then
-                        local message = util.c("sys_config> skipping duplicate input for port ", rsio.to_string(entry.port), " on side ", iface_name)
+                    if util.table_contains(conns, entry.port) then
+                        local message = util.c("sys_config> skipping duplicate input for port ", rsio.to_string(entry.port), " on side ", iface_name, " @ ", phy_name)
                         println(message)
                         log.warning(message)
                     else
-                        rs_rtu.link_di(entry.side, entry.color)
+                        table.insert(bank, entry)
                     end
-                elseif mode == rsio.IO_MODE.DIGITAL_OUT then
-                    rs_rtu.link_do(entry.side, entry.color)
                 elseif mode == rsio.IO_MODE.ANALOG_IN then
                     -- can't have duplicate inputs
-                    if util.table_contains(capabilities, entry.port) then
-                        local message = util.c("sys_config> skipping duplicate input for port ", rsio.to_string(entry.port), " on side ", iface_name)
+                    if util.table_contains(conns, entry.port) then
+                        local message = util.c("sys_config> skipping duplicate input for port ", rsio.to_string(entry.port), " on side ", iface_name, " @ ", phy_name)
                         println(message)
                         log.warning(message)
                     else
-                        rs_rtu.link_ai(entry.side)
+                        table.insert(bank, entry)
                     end
-                elseif mode == rsio.IO_MODE.ANALOG_OUT then
-                    rs_rtu.link_ao(entry.side)
+                elseif (mode == rsio.IO_MODE.DIGITAL_OUT) or (mode == rsio.IO_MODE.ANALOG_OUT) then
+                    table.insert(bank, entry)
                 else
                     -- should be unreachable code, we already validated ports
-                    log.error("sys_config> fell through if chain attempting to identify IO mode at block index #" .. entry_idx, true)
+                    log.fatal("sys_config> failed to identify IO mode at block index #" .. entry_idx)
                     println("sys_config> encountered a software error, check logs")
                     return false
                 end
 
-                table.insert(capabilities, entry.port)
+                table.insert(conns, entry.port)
 
-                log.debug(util.c("sys_config> linked redstone ", #capabilities, ": ", rsio.to_string(entry.port), " (", iface_name, ") for ", assignment))
+                log.debug(util.c("sys_config> banked redstone ", #conns, ": ", rsio.to_string(entry.port), " (", iface_name, " @ ", phy_name, ") for ", assignment))
             end
         end
 
         -- create unit entries for redstone RTUs
-        for for_reactor, def in pairs(rs_rtus) do
-            ---@class rtu_registry_entry
+        for _, def in pairs(rs_rtus) do
+            local rtu_conns = { [0] = {}, {}, {}, {}, {} }
+
+            -- connect the IO banks
+            for for_reactor = 0, #def.banks do
+                local bank   = def.banks[for_reactor]
+                local conns  = rtu_conns[for_reactor]
+                local assign = util.trinary(for_reactor > 0, "reactor unit " .. for_reactor, "the facility")
+
+                -- link redstone to the RTU
+                for i = 1, #bank do
+                    local conn     = bank[i]
+                    local phy_name = conn.relay or "local"
+
+                    local mode = rsio.get_io_mode(conn.port)
+                    if mode == rsio.IO_MODE.DIGITAL_IN then
+                        def.rtu.link_di(conn.side, conn.color, conn.invert)
+                    elseif mode == rsio.IO_MODE.DIGITAL_OUT then
+                        def.rtu.link_do(conn.side, conn.color, conn.invert)
+                    elseif mode == rsio.IO_MODE.ANALOG_IN then
+                        def.rtu.link_ai(conn.side)
+                    elseif mode == rsio.IO_MODE.ANALOG_OUT then
+                        def.rtu.link_ao(conn.side)
+                    else
+                        log.fatal(util.c("sys_config> failed to identify IO mode of ", rsio.to_string(conn.port), " (", entry_iface_name(conn), " @ ", phy_name, ") for ", assign))
+                        println("sys_config> encountered a software error, check logs")
+                        return false
+                    end
+
+                    table.insert(conns, conn.port)
+
+                    log.debug(util.c("sys_config> linked redstone ", for_reactor, ".", #conns, ": ", rsio.to_string(conn.port), " (", entry_iface_name(conn), ")", " @ ", phy_name, ") for ", assign))
+                end
+            end
+
+            ---@type rtu_registry_entry
             local unit = {
-                uid = 0,                        ---@type integer
-                name = "redstone_io",           ---@type string
-                type = RTU_UNIT_TYPE.REDSTONE,  ---@type RTU_UNIT_TYPE
-                index = false,                  ---@type integer|false
-                reactor = for_reactor,          ---@type integer
-                device = def.capabilities,      ---@type IO_PORT[] use device field for redstone ports
-                is_multiblock = false,          ---@type boolean
-                formed = nil,                   ---@type boolean|nil
-                hw_state = RTU_HW_STATE.OK,     ---@type RTU_HW_STATE
-                rtu = def.rtu,                  ---@type rtu_device|rtu_rs_device
+                uid = 0,
+                name = def.name,
+                type = RTU_UNIT_TYPE.REDSTONE,
+                index = false,
+                reactor = nil,
+                device = def.phy,
+                rs_conns = rtu_conns,
+                is_multiblock = false,
+                formed = nil,
+                hw_state = def.hw_state,
+                rtu = def.rtu,
                 modbus_io = modbus.new(def.rtu, false),
-                pkt_queue = nil,                ---@type mqueue|nil
-                thread = nil                    ---@type parallel_thread|nil
+                pkt_queue = nil,
+                thread = nil
             }
 
             table.insert(units, unit)
 
-            local for_message = "facility"
-            if util.is_int(for_reactor) then
-                for_message = util.c("reactor unit ", for_reactor)
-            end
+            local type = util.trinary(def.phy == rs, "redstone", "redstone_relay")
 
-            log.info(util.c("sys_config> initialized RTU unit #", #units, ": redstone_io (redstone) [1] for ", for_message))
+            log.info(util.c("sys_config> initialized RTU unit #", #units, ": ", unit.name, " (", type, ")"))
 
             unit.uid = #units
 
             databus.tx_unit_hw_status(unit.uid, unit.hw_state)
         end
 
-        -- mounted peripherals
+        --#endregion
+        --#region Mounted Peripherals
+
         for i = 1, #rtu_devices do
             local entry = rtu_devices[i]   ---@type rtu_peri_definition
             local name = entry.name
@@ -439,19 +505,20 @@ local function main()
 
             ---@class rtu_registry_entry
             local rtu_unit = {
-                uid = 0,                            ---@type integer
-                name = name,                        ---@type string
-                type = rtu_type,                    ---@type RTU_UNIT_TYPE
-                index = index or false,             ---@type integer|false
-                reactor = for_reactor,              ---@type integer
-                device = device,                    ---@type table peripheral reference
-                is_multiblock = is_multiblock,      ---@type boolean
-                formed = formed,                    ---@type boolean|nil
-                hw_state = RTU_HW_STATE.OFFLINE,    ---@type RTU_HW_STATE
-                rtu = rtu_iface,                    ---@type rtu_device|rtu_rs_device
-                modbus_io = modbus.new(rtu_iface, true),
-                pkt_queue = mqueue.new(),           ---@type mqueue|nil
-                thread = nil                        ---@type parallel_thread|nil
+                uid = 0,                                 ---@type integer RTU unit ID
+                name = name,                             ---@type string unit name
+                type = rtu_type,                         ---@type RTU_UNIT_TYPE unit type
+                index = index or false,                  ---@type integer|false device index
+                reactor = for_reactor,                   ---@type integer|nil unit/facility assignment
+                device = device,                         ---@type table peripheral reference
+                rs_conns = nil,                          ---@type IO_PORT[][]|nil available redstone connections
+                is_multiblock = is_multiblock,           ---@type boolean if this is for a multiblock peripheral
+                formed = formed,                         ---@type boolean|nil if this peripheral is currently formed
+                hw_state = RTU_HW_STATE.OFFLINE,         ---@type RTU_HW_STATE hardware device status
+                rtu = rtu_iface,                         ---@type rtu_device|rtu_rs_device RTU hardware interface
+                modbus_io = modbus.new(rtu_iface, true), ---@type modbus MODBUS interface
+                pkt_queue = mqueue.new(),                ---@type mqueue|nil packet queue
+                thread = nil                             ---@type parallel_thread|nil associated RTU thread
             }
 
             rtu_unit.thread = threads.thread__unit_comms(__shared_memory, rtu_unit)
@@ -485,6 +552,8 @@ local function main()
             databus.tx_unit_hw_status(rtu_unit.uid, rtu_unit.hw_state)
         end
 
+        --#endregion
+
         return true
     end
 
@@ -495,17 +564,6 @@ local function main()
     log.debug("boot> running sys_config()")
 
     if sys_config() then
-        -- start UI
-        local message
-        rtu_state.fp_ok, message = renderer.try_start_ui(units, config.FrontPanelTheme, config.ColorMode)
-
-        if not rtu_state.fp_ok then
-            println_ts(util.c("UI error: ", message))
-            println("startup> running without front panel")
-            log.error(util.c("front panel GUI render failed with error ", message))
-            log.info("startup> running in headless mode without front panel")
-        end
-
         -- check modem
         if smem_dev.modem == nil then
             println("startup> wireless modem not found")
@@ -527,6 +585,17 @@ local function main()
 
         databus.tx_hw_spkr_count(#smem_dev.sounders)
 
+        -- start UI
+        local message
+        rtu_state.fp_ok, message = renderer.try_start_ui(units, config.FrontPanelTheme, config.ColorMode)
+
+        if not rtu_state.fp_ok then
+            println_ts(util.c("UI error: ", message))
+            println("startup> running without front panel")
+            log.error(util.c("front panel GUI render failed with error ", message))
+            log.info("startup> running in headless mode without front panel")
+        end
+
         -- start connection watchdog
         smem_sys.conn_watchdog = util.new_watchdog(config.ConnTimeout)
         log.debug("startup> conn watchdog started")
@@ -553,7 +622,7 @@ local function main()
         -- run threads
         parallel.waitForAll(table.unpack(_threads))
     else
-        println("configuration failed, exiting...")
+        println("system initialization failed, exiting...")
     end
 
     renderer.close_ui()

rtu/threads.lua

@@ -132,6 +132,8 @@ local function handle_unit_mount(smem, println_ts, iface, type, device, unit)
             unit.rtu, faulted = sna_rtu.new(device)
         elseif unit.type == RTU_UNIT_TYPE.ENV_DETECTOR then
             unit.rtu, faulted = envd_rtu.new(device)
+        elseif unit.type == RTU_UNIT_TYPE.REDSTONE then
+            unit.rtu.remount_phy(device)
         else
             unknown = true
             log.error(util.c("failed to identify reconnected RTU unit type (", unit.name, ")"), true)

scada-common/comms.lua

@@ -17,7 +17,7 @@ local max_distance = nil
 local comms = {}
 
 -- protocol/data versions (protocol/data independent changes tracked by util.lua version)
-comms.version = "3.0.4"
+comms.version = "3.0.6"
 comms.api_version = "0.0.9"
 
 ---@enum PROTOCOL
@@ -60,18 +60,19 @@ local MGMT_TYPE = {
 ---@enum CRDN_TYPE
 local CRDN_TYPE = {
     INITIAL_BUILDS = 0,  -- initial, complete builds packet to the coordinator
-    FAC_BUILDS = 1,      -- facility RTU builds
-    FAC_STATUS = 2,      -- state of facility and facility devices
-    FAC_CMD = 3,         -- faility command
-    UNIT_BUILDS = 4,     -- build of each reactor unit (reactor + RTUs)
-    UNIT_STATUSES = 5,   -- state of each of the reactor units
-    UNIT_CMD = 6,        -- command a reactor unit
-    API_GET_FAC = 7,     -- API: get the facility general data
-    API_GET_FAC_DTL = 8, -- API: get (detailed) data for the facility app
-    API_GET_UNIT = 9,    -- API: get reactor unit data
-    API_GET_CTRL = 10,   -- API: get data for the control app
-    API_GET_PROC = 11,   -- API: get data for the process app
-    API_GET_WASTE = 12   -- API: get data for the waste app
+    PROCESS_READY = 1,   -- process init is complete + last set of info for supervisor startup recovery
+    FAC_BUILDS = 2,      -- facility RTU builds
+    FAC_STATUS = 3,      -- state of facility and facility devices
+    FAC_CMD = 4,         -- faility command
+    UNIT_BUILDS = 5,     -- build of each reactor unit (reactor + RTUs)
+    UNIT_STATUSES = 6,   -- state of each of the reactor units
+    UNIT_CMD = 7,        -- command a reactor unit
+    API_GET_FAC = 8,     -- API: get the facility general data
+    API_GET_FAC_DTL = 9, -- API: get (detailed) data for the facility app
+    API_GET_UNIT = 10,   -- API: get reactor unit data
+    API_GET_CTRL = 11,   -- API: get data for the control app
+    API_GET_PROC = 12,   -- API: get data for the process app
+    API_GET_WASTE = 13   -- API: get data for the waste app
 }
 
 ---@enum ESTABLISH_ACK

scada-common/constants.lua

@@ -72,6 +72,8 @@ local rs = {}
 
 rs.IMATRIX_CHARGE_LOW  = 0.05   -- activation threshold (less than) for F_MATRIX_LOW
 rs.IMATRIX_CHARGE_HIGH = 0.95   -- activation threshold (greater than) for F_MATRIX_HIGH
+rs.AUX_COOL_ENABLE     = 0.60   -- actiation threshold (less than or equal) for U_AUX_COOL
+rs.AUX_COOL_DISABLE    = 1.00   -- deactivation threshold (greater than or equal) for U_AUX_COOL
 
 constants.RS_THRESHOLDS = rs
 

scada-common/crash.lua

@@ -2,6 +2,9 @@
 -- Crash Handler
 --
 
+---@diagnostic disable-next-line: undefined-global
+local _is_pocket_env = pocket   -- luacheck: ignore pocket
+
 local comms = require("scada-common.comms")
 local log   = require("scada-common.log")
 local util  = require("scada-common.util")
@@ -36,6 +39,74 @@ local function log_versions(log_msg)
     if has_lockbox  then log_msg(util.c("LOCKBOX VERSION:  ", lockbox.version)) end
 end
 
+-- render the standard computer crash screen
+---@param exit function callback on exit button press
+---@return DisplayBox display
+local function draw_computer_crash(exit)
+    local DisplayBox = require("graphics.elements.DisplayBox")
+    local Div        = require("graphics.elements.Div")
+    local Rectangle  = require("graphics.elements.Rectangle")
+    local TextBox    = require("graphics.elements.TextBox")
+    local PushButton = require("graphics.elements.controls.PushButton")
+
+    local display = DisplayBox{window=term.current(),fg_bg=core.cpair(colors.white,colors.lightGray)}
+
+    local warning = Div{parent=display,x=2,y=2}
+    TextBox{parent=warning,x=7,text="\x90\n \x90\n  \x90\n   \x90\n    \x90",fg_bg=core.cpair(colors.yellow,colors.lightGray)}
+    TextBox{parent=warning,x=5,y=1,text="\x9f ",width=2,fg_bg=core.cpair(colors.lightGray,colors.yellow)}
+    TextBox{parent=warning,x=4,text="\x9f   ",width=4,fg_bg=core.cpair(colors.lightGray,colors.yellow)}
+    TextBox{parent=warning,x=3,text="\x9f      ",width=6,fg_bg=core.cpair(colors.lightGray,colors.yellow)}
+    TextBox{parent=warning,x=2,text="\x9f        ",width=8,fg_bg=core.cpair(colors.lightGray,colors.yellow)}
+    TextBox{parent=warning,text="\x9f          ",width=10,fg_bg=core.cpair(colors.lightGray,colors.yellow)}
+    TextBox{parent=warning,text="\x8f\x8f\x8f\x8f\x8f\x8f\x8f\x8f\x8f\x8f\x8f",width=11,fg_bg=core.cpair(colors.yellow,colors.lightGray)}
+    TextBox{parent=warning,x=6,y=3,text=" \n \x83",width=1,fg_bg=core.cpair(colors.yellow,colors.white)}
+
+    TextBox{parent=display,x=13,y=2,text="Critical Software Fault Encountered",alignment=core.ALIGN.CENTER,fg_bg=core.cpair(colors.yellow,colors._INHERIT)}
+    TextBox{parent=display,x=15,y=4,text="Please consider reporting this on the cc-mek-scada Discord or GitHub.",width=36,alignment=core.ALIGN.CENTER}
+    TextBox{parent=display,x=14,y=7,text="refer to the log file for more info",alignment=core.ALIGN.CENTER,fg_bg=core.cpair(colors.gray,colors._INHERIT)}
+
+    local box = Rectangle{parent=display,x=2,y=9,width=display.get_width()-2,height=8,border=core.border(1,colors.gray,true),thin=true,fg_bg=core.cpair(colors.black,colors.white)}
+    TextBox{parent=box,text=err}
+
+    PushButton{parent=display,x=23,y=18,text=" Exit ",callback=exit,active_fg_bg=core.cpair(colors.white,colors.gray),fg_bg=core.cpair(colors.black,colors.red)}
+
+    return display
+end
+
+-- render the pocket crash screen
+---@param exit function callback on exit button press
+---@return DisplayBox display
+local function draw_pocket_crash(exit)
+    local DisplayBox = require("graphics.elements.DisplayBox")
+    local Div        = require("graphics.elements.Div")
+    local Rectangle  = require("graphics.elements.Rectangle")
+    local TextBox    = require("graphics.elements.TextBox")
+    local PushButton = require("graphics.elements.controls.PushButton")
+
+    local display = DisplayBox{window=term.current(),fg_bg=core.cpair(colors.white,colors.lightGray)}
+
+    local warning = Div{parent=display,x=2,y=1}
+    TextBox{parent=warning,x=4,y=1,text="\x90",width=1,fg_bg=core.cpair(colors.yellow,colors.lightGray)}
+    TextBox{parent=warning,x=3,text="\x81 ",width=2,fg_bg=core.cpair(colors.lightGray,colors.yellow)}
+    TextBox{parent=warning,x=5,y=2,text="\x94",width=1,fg_bg=core.cpair(colors.yellow,colors.lightGray)}
+    TextBox{parent=warning,x=2,text="\x81   ",width=4,fg_bg=core.cpair(colors.lightGray,colors.yellow)}
+    TextBox{parent=warning,x=6,y=3,text="\x94",width=1,fg_bg=core.cpair(colors.yellow,colors.lightGray)}
+    TextBox{parent=warning,text="\x8e\x8f\x8f\x8e\x8f\x8f\x84",width=7,fg_bg=core.cpair(colors.yellow,colors.lightGray)}
+    TextBox{parent=warning,x=4,y=2,text="\x90",width=1,fg_bg=core.cpair(colors.lightGray,colors.yellow)}
+    TextBox{parent=warning,x=4,y=3,text="\x85",width=1,fg_bg=core.cpair(colors.lightGray,colors.yellow)}
+
+    TextBox{parent=display,x=10,y=2,text=" Critical Software Fault",width=16,alignment=core.ALIGN.CENTER,fg_bg=core.cpair(colors.yellow,colors._INHERIT)}
+    TextBox{parent=display,x=2,y=5,text="Consider reporting this on the cc-mek-scada Discord or GitHub.",width=36,alignment=core.ALIGN.CENTER}
+
+    local box = Rectangle{parent=display,y=9,width=display.get_width(),height=8,fg_bg=core.cpair(colors.black,colors.white)}
+    TextBox{parent=box,text=err}
+
+    PushButton{parent=display,x=11,y=18,text=" Exit ",callback=exit,active_fg_bg=core.cpair(colors.white,colors.gray),fg_bg=core.cpair(colors.black,colors.red)}
+    TextBox{parent=display,x=2,y=20,text="see logs for details",width=24,alignment=core.ALIGN.CENTER,fg_bg=core.cpair(colors.gray,colors._INHERIT)}
+
+    return display
+end
+
 -- when running with debug logs, log the useful information that the crash handler knows
 function crash.dbg_log_env() log_versions(log.debug) end
 
@@ -54,9 +125,41 @@ end
 
 -- final error print on failed xpcall, app exits here
 function crash.exit()
+    local handled, run = false, true
+    local display   ---@type DisplayBox
+
+    -- special graphical crash screen
+    if has_graphics then
+        handled, display = pcall(util.trinary(_is_pocket_env, draw_pocket_crash, draw_computer_crash), function () run = false end)
+
+        -- event loop
+        while display and run do
+            local event, param1, param2, param3 = util.pull_event()
+
+            -- handle event
+            if event == "mouse_click" or event == "mouse_up" or event == "double_click" then
+                local mouse = core.events.new_mouse_event(event, param1, param2, param3)
+                if mouse then display.handle_mouse(mouse) end
+            elseif event == "terminate" then
+                break
+            end
+        end
+
+        display.delete()
+
+        term.setCursorPos(1, 1)
+        term.setTextColor(colors.white)
+        term.setBackgroundColor(colors.black)
+        term.clear()
+    end
+
     log.close()
-    util.println("fatal error occured in main application:")
-    error(err, 0)
+
+    -- default text failure message
+    if not handled then
+        util.println("fatal error occured in main application:")
+        error(err, 0)
+    end
 end
 
 return crash

scada-common/rsio.lua

@@ -78,6 +78,7 @@ local IO_PORT = {
     -- unit outputs
     U_ALARM       = 25, -- active high, unit alarm
     U_EMER_COOL   = 26, -- active low, emergency coolant control
+    U_AUX_COOL    = 30, -- active low, auxiliary coolant control
 
     -- analog outputs --
 
@@ -90,8 +91,8 @@ rsio.IO_DIR = IO_DIR
 rsio.IO_MODE = IO_MODE
 rsio.IO = IO_PORT
 
-rsio.NUM_PORTS = 29
-rsio.NUM_DIG_PORTS = 28
+rsio.NUM_PORTS = 30
+rsio.NUM_DIG_PORTS = 29
 rsio.NUM_ANA_PORTS = 1
 
 -- self checks
@@ -149,6 +150,7 @@ local MODES = {
     [IO.R_PLC_TIMEOUT] = IO_MODE.DIGITAL_OUT,
     [IO.U_ALARM]       = IO_MODE.DIGITAL_OUT,
     [IO.U_EMER_COOL]   = IO_MODE.DIGITAL_OUT,
+    [IO.U_AUX_COOL]    = IO_MODE.DIGITAL_OUT,
     [IO.F_MATRIX_CHG]  = IO_MODE.ANALOG_OUT
 }
 
@@ -208,10 +210,11 @@ local RS_DIO_MAP = {
     [IO.R_PLC_TIMEOUT] = { _in = _I_ACTIVE_HIGH, _out = _O_ACTIVE_HIGH, mode = IO_DIR.OUT },
 
     [IO.U_ALARM]       = { _in = _I_ACTIVE_HIGH, _out = _O_ACTIVE_HIGH, mode = IO_DIR.OUT },
-    [IO.U_EMER_COOL]   = { _in = _I_ACTIVE_LOW,  _out = _O_ACTIVE_LOW,  mode = IO_DIR.OUT }
+    [IO.U_EMER_COOL]   = { _in = _I_ACTIVE_LOW,  _out = _O_ACTIVE_LOW,  mode = IO_DIR.OUT },
+    [IO.U_AUX_COOL]    = { _in = _I_ACTIVE_LOW,  _out = _O_ACTIVE_LOW,  mode = IO_DIR.OUT }
 }
 
-assert(rsio.NUM_DIG_PORTS == #RS_DIO_MAP, "RS_DIO_MAP length incorrect")
+assert(rsio.NUM_DIG_PORTS == util.table_len(RS_DIO_MAP), "RS_DIO_MAP length incorrect")
 
 -- get the I/O direction of a port
 ---@nodiscard

scada-common/types.lua

@@ -125,7 +125,7 @@ function types.new_zero_coordinate() return { x = 0, y = 0, z = 0 } end
 ---@field type RTU_UNIT_TYPE
 ---@field index integer|false
 ---@field reactor integer
----@field rsio IO_PORT[]|nil
+---@field rs_conns IO_PORT[][]|nil
 
 -- create a new reactor database
 ---@nodiscard
@@ -465,7 +465,8 @@ types.ALARM = {
     ReactorHighWaste = 9,
     RPSTransient = 10,
     RCSTransient = 11,
-    TurbineTrip = 12
+    TurbineTrip = 12,
+    FacilityRadiation = 13
 }
 
 types.ALARM_NAMES = {
@@ -480,7 +481,8 @@ types.ALARM_NAMES = {
     "ReactorHighWaste",
     "RPSTransient",
     "RCSTransient",
-    "TurbineTrip"
+    "TurbineTrip",
+    "FacilityRadiation"
 }
 
 ---@enum ALARM_PRIORITY

scada-common/util.lua

@@ -24,7 +24,7 @@ local t_pack   = table.pack
 local util = {}
 
 -- scada-common version
-util.version = "1.4.10"
+util.version = "1.5.2"
 
 util.TICK_TIME_S = 0.05
 util.TICK_TIME_MS = 50

supervisor/alarm_ctl.lua

@@ -0,0 +1,137 @@
+local log   = require("scada-common.log")
+local types = require("scada-common.types")
+local util  = require("scada-common.util")
+
+local ALARM_STATE = types.ALARM_STATE
+
+---@class alarm_def
+---@field state ALARM_INT_STATE internal alarm state
+---@field trip_time integer time (ms) when first tripped
+---@field hold_time integer time (s) to hold before tripping
+---@field id ALARM alarm ID
+---@field tier integer alarm urgency tier (0 = highest)
+
+local AISTATE_NAMES = {
+    "INACTIVE",
+    "TRIPPING",
+    "TRIPPED",
+    "ACKED",
+    "RING_BACK",
+    "RING_BACK_TRIPPING"
+}
+
+---@enum ALARM_INT_STATE
+local AISTATE = {
+    INACTIVE = 1,
+    TRIPPING = 2,
+    TRIPPED = 3,
+    ACKED = 4,
+    RING_BACK = 5,
+    RING_BACK_TRIPPING = 6
+}
+
+local alarm_ctl = {}
+
+alarm_ctl.AISTATE = AISTATE
+alarm_ctl.AISTATE_NAMES = AISTATE_NAMES
+
+-- update an alarm state based on its current status and if it is tripped
+---@param caller_tag string tag to use in log messages
+---@param alarm_states { [ALARM]: ALARM_STATE } unit instance
+---@param tripped boolean if the alarm condition is sti ll active
+---@param alarm alarm_def alarm table
+---@param no_ring_back boolean? true to skip the ring back state, returning to inactive instead
+---@return boolean new_trip if the alarm just changed to being tripped
+function alarm_ctl.update_alarm_state(caller_tag, alarm_states, tripped, alarm, no_ring_back)
+    local int_state = alarm.state
+    local ext_state = alarm_states[alarm.id]
+
+    -- alarm inactive
+    if int_state == AISTATE.INACTIVE then
+        if tripped then
+            alarm.trip_time = util.time_ms()
+            if alarm.hold_time > 0 then
+                alarm.state = AISTATE.TRIPPING
+                alarm_states[alarm.id] = ALARM_STATE.INACTIVE
+            else
+                alarm.state = AISTATE.TRIPPED
+                alarm_states[alarm.id] = ALARM_STATE.TRIPPED
+                log.info(util.c(caller_tag, " ALARM ", alarm.id, " (", types.ALARM_NAMES[alarm.id], "): TRIPPED [PRIORITY ",
+                    types.ALARM_PRIORITY_NAMES[alarm.tier],"]"))
+            end
+        else
+            alarm.trip_time = util.time_ms()
+            alarm_states[alarm.id] = ALARM_STATE.INACTIVE
+        end
+    -- alarm condition met, but not yet for required hold time
+    elseif (int_state == AISTATE.TRIPPING) or (int_state == AISTATE.RING_BACK_TRIPPING) then
+        if tripped then
+            local elapsed = util.time_ms() - alarm.trip_time
+            if elapsed > (alarm.hold_time * 1000) then
+                alarm.state = AISTATE.TRIPPED
+                alarm_states[alarm.id] = ALARM_STATE.TRIPPED
+                log.info(util.c(caller_tag, " ALARM ", alarm.id, " (", types.ALARM_NAMES[alarm.id], "): TRIPPED [PRIORITY ",
+                    types.ALARM_PRIORITY_NAMES[alarm.tier],"]"))
+            end
+        elseif int_state == AISTATE.RING_BACK_TRIPPING then
+            alarm.trip_time = 0
+            alarm.state = AISTATE.RING_BACK
+            alarm_states[alarm.id] = ALARM_STATE.RING_BACK
+        else
+            alarm.trip_time = 0
+            alarm.state = AISTATE.INACTIVE
+            alarm_states[alarm.id] = ALARM_STATE.INACTIVE
+        end
+    -- alarm tripped and alarming
+    elseif int_state == AISTATE.TRIPPED then
+        if tripped then
+            if ext_state == ALARM_STATE.ACKED then
+                -- was acked by coordinator
+                alarm.state = AISTATE.ACKED
+            end
+        elseif no_ring_back then
+            alarm.state = AISTATE.INACTIVE
+            alarm_states[alarm.id] = ALARM_STATE.INACTIVE
+        else
+            alarm.state = AISTATE.RING_BACK
+            alarm_states[alarm.id] = ALARM_STATE.RING_BACK
+        end
+    -- alarm acknowledged but still tripped
+    elseif int_state == AISTATE.ACKED then
+        if not tripped then
+            if no_ring_back then
+                alarm.state = AISTATE.INACTIVE
+                alarm_states[alarm.id] = ALARM_STATE.INACTIVE
+            else
+                alarm.state = AISTATE.RING_BACK
+                alarm_states[alarm.id] = ALARM_STATE.RING_BACK
+            end
+        end
+    -- alarm no longer tripped, operator must reset to clear
+    elseif int_state == AISTATE.RING_BACK then
+        if tripped then
+            alarm.trip_time = util.time_ms()
+            if alarm.hold_time > 0 then
+                alarm.state = AISTATE.RING_BACK_TRIPPING
+            else
+                alarm.state = AISTATE.TRIPPED
+                alarm_states[alarm.id] = ALARM_STATE.TRIPPED
+            end
+        elseif ext_state == ALARM_STATE.INACTIVE then
+            -- was reset by coordinator
+            alarm.state = AISTATE.INACTIVE
+            alarm.trip_time = 0
+        end
+    else
+        log.error(util.c(caller_tag, " invalid alarm state for alarm ", alarm.id), true)
+    end
+
+    -- check for state change
+    if alarm.state ~= int_state then
+        local change_str = util.c(AISTATE_NAMES[int_state], " -> ", AISTATE_NAMES[alarm.state])
+        log.debug(util.c(caller_tag, " ALARM ", alarm.id, " (", types.ALARM_NAMES[alarm.id], "): ", change_str))
+        return alarm.state == AISTATE.TRIPPED
+    else return false end
+end
+
+return alarm_ctl

supervisor/config/facility.lua

@@ -185,8 +185,9 @@ function facility.create(tool_ctl, main_pane, cfg_sys, fac_cfg, style)
     local fac_c_6 = Div{parent=fac_cfg,x=2,y=4,width=49}
     local fac_c_7 = Div{parent=fac_cfg,x=2,y=4,width=49}
     local fac_c_8 = Div{parent=fac_cfg,x=2,y=4,width=49}
+    local fac_c_9 = Div{parent=fac_cfg,x=2,y=4,width=49}
 
-    local fac_pane = MultiPane{parent=fac_cfg,x=1,y=4,panes={fac_c_1,fac_c_2,fac_c_3,fac_c_4,fac_c_5,fac_c_6,fac_c_7, fac_c_8}}
+    local fac_pane = MultiPane{parent=fac_cfg,x=1,y=4,panes={fac_c_1,fac_c_2,fac_c_3,fac_c_4,fac_c_5,fac_c_6,fac_c_7,fac_c_8,fac_c_9}}
 
     TextBox{parent=fac_cfg,x=1,y=2,text=" Facility Configuration",fg_bg=cpair(colors.black,colors.yellow)}
 
@@ -205,10 +206,18 @@ function facility.create(tool_ctl, main_pane, cfg_sys, fac_cfg, style)
             nu_error.hide(true)
             tmp_cfg.UnitCount = count
 
-            local confs = tool_ctl.cooling_elems
-            if count >= 2 then confs[2].line.show() else confs[2].line.hide(true) end
-            if count >= 3 then confs[3].line.show() else confs[3].line.hide(true) end
-            if count == 4 then confs[4].line.show() else confs[4].line.hide(true) end
+            local c_confs = tool_ctl.cooling_elems
+            local a_confs = tool_ctl.aux_cool_elems
+
+            for i = 2, 4 do
+                if count >= i then
+                    c_confs[i].line.show()
+                    a_confs[i].line.show()
+                else
+                    c_confs[i].line.hide(true)
+                    a_confs[i].line.hide(true)
+                end
+            end
 
             fac_pane.set_value(2)
         else nu_error.show() end
@@ -285,6 +294,14 @@ function facility.create(tool_ctl, main_pane, cfg_sys, fac_cfg, style)
                 else elem.div.hide(true) end
             end
 
+            if not any_has_tank then
+                tmp_cfg.FacilityTankMode = 0
+                tmp_cfg.FacilityTankDefs = {}
+                tmp_cfg.FacilityTankList = {}
+                tmp_cfg.FacilityTankConns = {}
+                tmp_cfg.TankFluidTypes = {}
+            end
+
             if any_has_tank then fac_pane.set_value(3) else main_pane.set_value(3) end
         end
     end
@@ -672,25 +689,48 @@ function facility.create(tool_ctl, main_pane, cfg_sys, fac_cfg, style)
     PushButton{parent=fac_c_7,x=1,y=14,text="\x1b Back",callback=back_from_fluids,fg_bg=nav_fg_bg,active_fg_bg=btn_act_fg_bg}
     PushButton{parent=fac_c_7,x=44,y=14,text="Next \x1a",callback=submit_tank_fluids,fg_bg=nav_fg_bg,active_fg_bg=btn_act_fg_bg}
 
+    --#endregion
+    --#region Auxiliary Coolant
+
+    TextBox{parent=fac_c_8,height=5,text="Auxiliary water coolant can be enabled for units to provide extra water during turbine ramp-up. For water cooled reactors, this goes to the reactor. For sodium cooled reactors, water goes to the boiler."}
+
+    for i = 1, 4 do
+        local line = Div{parent=fac_c_8,x=1,y=7+i,height=1}
+
+        TextBox{parent=line,text="Unit "..i.." -",width=8}
+        local aux_cool = Checkbox{parent=line,x=10,y=1,label="Has Auxiliary Coolant",default=ini_cfg.AuxiliaryCoolant[i],box_fg_bg=cpair(colors.yellow,colors.black)}
+
+        tool_ctl.aux_cool_elems[i] = { line = line, enable = aux_cool }
+    end
+
+    local function submit_aux_cool()
+        tmp_cfg.AuxiliaryCoolant = {}
+
+        for i = 1, tmp_cfg.UnitCount do
+            tmp_cfg.AuxiliaryCoolant[i] = tool_ctl.aux_cool_elems[i].enable.get_value()
+        end
+
+        fac_pane.set_value(9)
+    end
+
+    PushButton{parent=fac_c_8,x=1,y=14,text="\x1b Back",callback=function()fac_pane.set_value(7)end,fg_bg=nav_fg_bg,active_fg_bg=btn_act_fg_bg}
+    PushButton{parent=fac_c_8,x=44,y=14,text="Next \x1a",callback=submit_aux_cool,fg_bg=nav_fg_bg,active_fg_bg=btn_act_fg_bg}
+
     --#endregion
     --#region Extended Idling
 
-    TextBox{parent=fac_c_8,height=6,text="Charge control provides automatic control to maintain an induction matrix charge level. In order to have smoother control, reactors that were activated will be held on at 0.01 mB/t for a short period before allowing them to turn off. This minimizes overshooting the charge target."}
-    TextBox{parent=fac_c_8,y=8,height=3,text="You can extend this to a full minute to minimize reactors flickering on/off, but there may be more overshoot of the target."}
+    TextBox{parent=fac_c_9,height=6,text="Charge control provides automatic control to maintain an induction matrix charge level. In order to have smoother control, reactors that were activated will be held on at 0.01 mB/t for a short period before allowing them to turn off. This minimizes overshooting the charge target."}
+    TextBox{parent=fac_c_9,y=8,height=3,text="You can extend this to a full minute to minimize reactors flickering on/off, but there may be more overshoot of the target."}
 
-    local ext_idling = Checkbox{parent=fac_c_8,x=1,y=12,label="Enable Extended Idling",default=ini_cfg.ExtChargeIdling,box_fg_bg=cpair(colors.yellow,colors.black)}
-
-    local function back_from_idling()
-        fac_pane.set_value(tri(tmp_cfg.FacilityTankMode == 0, 3, 7))
-    end
+    local ext_idling = Checkbox{parent=fac_c_9,x=1,y=12,label="Enable Extended Idling",default=ini_cfg.ExtChargeIdling,box_fg_bg=cpair(colors.yellow,colors.black)}
 
     local function submit_idling()
         tmp_cfg.ExtChargeIdling = ext_idling.get_value()
         main_pane.set_value(3)
     end
 
-    PushButton{parent=fac_c_8,x=1,y=14,text="\x1b Back",callback=back_from_idling,fg_bg=nav_fg_bg,active_fg_bg=btn_act_fg_bg}
-    PushButton{parent=fac_c_8,x=44,y=14,text="Next \x1a",callback=submit_idling,fg_bg=nav_fg_bg,active_fg_bg=btn_act_fg_bg}
+    PushButton{parent=fac_c_9,x=1,y=14,text="\x1b Back",callback=function()fac_pane.set_value(8)end,fg_bg=nav_fg_bg,active_fg_bg=btn_act_fg_bg}
+    PushButton{parent=fac_c_9,x=44,y=14,text="Next \x1a",callback=submit_idling,fg_bg=nav_fg_bg,active_fg_bg=btn_act_fg_bg}
 
     --#endregion
 

supervisor/config/system.lua

@@ -402,6 +402,10 @@ function system.create(tool_ctl, main_pane, cfg_sys, divs, fac_pane, style, exit
                 try_set(tool_ctl.tank_elems[i].tank_opt, ini_cfg.FacilityTankDefs[i])
             end
 
+            for i = 1, #ini_cfg.AuxiliaryCoolant do
+                try_set(tool_ctl.aux_cool_elems[i].enable, ini_cfg.AuxiliaryCoolant[i])
+            end
+
             tool_ctl.en_fac_tanks.set_value(ini_cfg.FacilityTankMode > 0)
 
             tool_ctl.view_cfg.enable()
@@ -588,7 +592,7 @@ function system.create(tool_ctl, main_pane, cfg_sys, divs, fac_pane, style, exit
                 end
 
                 if val == "" then val = "no facility tanks" end
-            elseif f[1] == "FacilityTankMode" and raw == 0 then val = "0 (n/a, unit mode)"
+            elseif f[1] == "FacilityTankMode" and raw == 0 then val = "no facility tanks"
             elseif f[1] == "FacilityTankDefs" and type(cfg.FacilityTankDefs) == "table" then
                 local tank_name_list = { table.unpack(cfg.FacilityTankList) } ---@type (string|integer)[]
                 local next_f = 1
@@ -625,6 +629,13 @@ function system.create(tool_ctl, main_pane, cfg_sys, divs, fac_pane, style, exit
 
                 val = ""
 
+                local count = 0
+                for idx = 1, #tank_list do
+                    if tank_list[idx] > 0 then count = count + 1 end
+                end
+
+                local bullet = tri(count < 2, "", " \x07 ")
+
                 for idx = 1, #tank_list do
                     local prefix = "?"
                     local fluid = "water"
@@ -642,11 +653,28 @@ function system.create(tool_ctl, main_pane, cfg_sys, divs, fac_pane, style, exit
                             fluid = "sodium"
                         end
 
-                        val = val .. tri(val == "", "", "\n") .. util.sprintf(" \x07 tank %s - %s", prefix, fluid)
+                        val = val .. tri(val == "", "", "\n") .. util.sprintf(bullet .. "tank %s - %s", prefix, fluid)
                     end
                 end
 
                 if val == "" then val = "no emergency coolant tanks" end
+            elseif f[1] == "AuxiliaryCoolant" then
+                val = ""
+
+                local count = 0
+                for idx = 1, #cfg.AuxiliaryCoolant do
+                    if cfg.AuxiliaryCoolant[idx] then count = count + 1 end
+                end
+
+                local bullet = tri(count < 2, "", " \x07 ")
+
+                for idx = 1, #cfg.AuxiliaryCoolant do
+                    if cfg.AuxiliaryCoolant[idx] then
+                        val = val .. tri(val == "", "", "\n") .. util.sprintf(bullet .. "unit %d", idx)
+                    end
+                end
+
+                if val == "" then val = "no auxiliary coolant" end
             end
 
             if not skip then
@@ -655,7 +683,7 @@ function system.create(tool_ctl, main_pane, cfg_sys, divs, fac_pane, style, exit
                 local c = tri(alternate, g_lg_fg_bg, cpair(colors.gray,colors.white))
                 alternate = not alternate
 
-                if string.len(val) > val_max_w then
+                if (string.len(val) > val_max_w) or string.find(val, "\n") then
                     local lines = util.strwrap(val, inner_width)
                     height = #lines + 1
                 end

supervisor/configure.lua

@@ -72,7 +72,8 @@ local tool_ctl = {
     load_legacy = nil,    ---@type function
 
     cooling_elems = {},   ---@type { line: Div, turbines: NumberField, boilers: NumberField, tank: Checkbox }[]
-    tank_elems = {}       ---@type { div: Div, tank_opt: Radio2D, no_tank: TextBox }[]
+    tank_elems = {},      ---@type { div: Div, tank_opt: Radio2D, no_tank: TextBox }[]
+    aux_cool_elems = {}   ---@type { line: Div, enable: Checkbox }[]
 }
 
 ---@class svr_config
@@ -84,6 +85,7 @@ local tmp_cfg = {
     FacilityTankList = {},  ---@type integer[] list of tanks by slot (0 = none or covered by an above tank, 1 = unit tank, 2 = facility tank)
     FacilityTankConns = {}, ---@type integer[] map of unit tank connections (indicies are units, values are tank indicies in the tank list)
     TankFluidTypes = {},    ---@type integer[] which type of fluid each tank in the tank list should be containing
+    AuxiliaryCoolant = {},  ---@type boolean[] if a unit has auxiliary coolant
     ExtChargeIdling = false,
     SVR_Channel = nil,      ---@type integer
     PLC_Channel = nil,      ---@type integer
@@ -117,6 +119,7 @@ local fields = {
     { "FacilityTankList", "Facility Tank List", {} },         -- hidden
     { "FacilityTankConns", "Facility Tank Connections", {} }, -- hidden
     { "TankFluidTypes", "Tank Fluid Types", {} },
+    { "AuxiliaryCoolant", "Auxiliary Water Coolant", {} },
     { "ExtChargeIdling", "Extended Charge Idling", false },
     { "SVR_Channel", "SVR Channel", 16240 },
     { "PLC_Channel", "PLC Channel", 16241 },

supervisor/facility.lua

@@ -2,13 +2,19 @@ local log        = require("scada-common.log")
 local types      = require("scada-common.types")
 local util       = require("scada-common.util")
 
+local alarm_ctl  = require("supervisor.alarm_ctl")
 local unit       = require("supervisor.unit")
 local fac_update = require("supervisor.facility_update")
 
 local rsctl      = require("supervisor.session.rsctl")
 local svsessions = require("supervisor.session.svsessions")
 
+local AISTATE       = alarm_ctl.AISTATE
+
+local ALARM         = types.ALARM
+local ALARM_STATE   = types.ALARM_STATE
 local AUTO_GROUP    = types.AUTO_GROUP
+local PRIO          = types.ALARM_PRIORITY
 local PROCESS       = types.PROCESS
 local RTU_ID_FAIL   = types.RTU_ID_FAIL
 local RTU_UNIT_TYPE = types.RTU_UNIT_TYPE
@@ -31,6 +37,17 @@ local START_STATUS = {
     BLADE_MISMATCH = 2
 }
 
+---@enum RECOVERY_STATE
+local RCV_STATE = {
+    INACTIVE = 0,
+    PRIMED = 1,
+    RUNNING = 2,
+    STOPPED = 3
+}
+
+local CHARGE_SCALER = 1000000   -- convert MFE to FE
+local GEN_SCALER    = 1000      -- convert kFE to FE
+
 ---@class facility_management
 local facility = {}
 
@@ -41,7 +58,7 @@ function facility.new(config)
     ---@class _facility_self
     local self = {
         units = {},     ---@type reactor_unit[]
-        types = { AUTO_SCRAM = AUTO_SCRAM, START_STATUS = START_STATUS },
+        types = { AUTO_SCRAM = AUTO_SCRAM, START_STATUS = START_STATUS, RCV_STATE = RCV_STATE },
         status_text = { "START UP", "initializing..." },
         all_sys_ok = false,
         allow_testing = false,
@@ -53,7 +70,8 @@ function facility.new(config)
             fac_tank_defs = config.FacilityTankDefs,
             fac_tank_list = config.FacilityTankList,
             fac_tank_conns = config.FacilityTankConns,
-            tank_fluid_types = config.TankFluidTypes
+            tank_fluid_types = config.TankFluidTypes,
+            aux_coolant = config.AuxiliaryCoolant
         },
         -- rtus
         rtu_gw_conn_count = 0,
@@ -66,12 +84,15 @@ function facility.new(config)
         -- redstone I/O control
         io_ctl = nil,   ---@type rs_controller
         -- process control
+        recovery = RCV_STATE.INACTIVE,  ---@type RECOVERY_STATE
+        recovery_boot_state = nil,      ---@type sv_boot_state|nil
+        last_unit_states = {},          ---@type boolean[]
         units_ready = false,
-        mode = PROCESS.INACTIVE,
-        last_mode = PROCESS.INACTIVE,
-        return_mode = PROCESS.INACTIVE,
-        mode_set = PROCESS.MAX_BURN,
-        start_fail = START_STATUS.OK,
+        mode = PROCESS.INACTIVE,        ---@type PROCESS
+        last_mode = PROCESS.INACTIVE,   ---@type PROCESS
+        return_mode = PROCESS.INACTIVE, ---@type PROCESS
+        mode_set = PROCESS.MAX_BURN,    ---@type PROCESS
+        start_fail = START_STATUS.OK,   ---@type START_STATUS
         max_burn_combined = 0.0,        -- maximum burn rate to clamp at
         burn_target = 0.1,              -- burn rate target for aggregate burn mode
         charge_setpoint = 0,            -- FE charge target setpoint
@@ -101,8 +122,8 @@ function facility.new(config)
         last_error = 0.0,
         last_time = 0.0,
         -- waste processing
-        waste_product = WASTE.PLUTONIUM,
-        current_waste_product = WASTE.PLUTONIUM,
+        waste_product = WASTE.PLUTONIUM,         ---@type WASTE_PRODUCT
+        current_waste_product = WASTE.PLUTONIUM, ---@type WASTE_PRODUCT
         pu_fallback = false,
         sps_low_power = false,
         disabled_sps = false,
@@ -123,24 +144,36 @@ function facility.new(config)
         imtx_last_charge = 0,
         imtx_last_charge_t = 0,
         -- track faulted induction matrix update times to reject
-        imtx_faulted_times = { 0, 0, 0 }
+        imtx_faulted_times = { 0, 0, 0 },
+        -- facility alarms
+        ---@type { [string]: alarm_def }
+        alarms = {
+            -- radiation monitor alarm for the facility
+            FacilityRadiation = { state = AISTATE.INACTIVE, trip_time = 0, hold_time = 0, id = ALARM.FacilityRadiation, tier = PRIO.CRITICAL },
+        },
+        ---@type { [ALARM]: ALARM_STATE }
+        alarm_states = {
+            [ALARM.FacilityRadiation] = ALARM_STATE.INACTIVE
+        }
     }
 
+    --#region SETUP
+
     -- provide self to facility update functions
     local f_update = fac_update(self)
 
     -- create units
     for i = 1, config.UnitCount do
-        table.insert(self.units,
-            unit.new(i, self.cooling_conf.r_cool[i].BoilerCount, self.cooling_conf.r_cool[i].TurbineCount, config.ExtChargeIdling))
+        table.insert(self.units, unit.new(i, self.cooling_conf.r_cool[i].BoilerCount, self.cooling_conf.r_cool[i].TurbineCount, config.ExtChargeIdling, self.cooling_conf.aux_coolant[i]))
         table.insert(self.group_map, AUTO_GROUP.MANUAL)
+        table.insert(self.last_unit_states, false)
     end
 
     -- list for RTU session management
     self.rtu_list = { self.redstone, self.induction, self.sps, self.tanks, self.envd }
 
     -- init redstone RTU I/O controller
-    self.io_ctl = rsctl.new(self.redstone)
+    self.io_ctl = rsctl.new(self.redstone, 0)
 
     -- fill blank alarm/tone states
     for _ = 1, 12 do table.insert(self.test_alarm_states, false) end
@@ -149,6 +182,70 @@ function facility.new(config)
         table.insert(self.test_tone_states, false)
     end
 
+    -- init next boot state
+    settings.set("LastProcessState", PROCESS.INACTIVE)
+    settings.set("LastUnitStates", self.last_unit_states)
+    if not settings.save("/supervisor.settings") then
+        log.warning("FAC: failed to save initial control state into supervisor settings file")
+    end
+
+    --#endregion
+
+    -- PRIVATE FUNCTIONS --
+
+    -- check an auto process control configuration and save it if its valid (does not start the process)
+    ---@param auto_cfg start_auto_config configuration
+    ---@return boolean ready, number[] unit_limits
+    local function _auto_check_and_save(auto_cfg)
+        local ready = false
+
+        -- load up current limits
+        local limits = {}
+        for i = 1, config.UnitCount do
+            limits[i] = self.units[i].get_control_inf().lim_br100 * 100
+        end
+
+        -- only allow changes if not running
+        if self.mode == PROCESS.INACTIVE then
+            if (type(auto_cfg.mode) == "number") and (auto_cfg.mode > PROCESS.INACTIVE) and (auto_cfg.mode <= PROCESS.GEN_RATE) then
+                self.mode_set = auto_cfg.mode
+            end
+
+            if (type(auto_cfg.burn_target) == "number") and auto_cfg.burn_target >= 0.1 then
+                self.burn_target = auto_cfg.burn_target
+            end
+
+            if (type(auto_cfg.charge_target) == "number") and auto_cfg.charge_target >= 0 then
+                self.charge_setpoint = auto_cfg.charge_target * CHARGE_SCALER
+            end
+
+            if (type(auto_cfg.gen_target) == "number") and auto_cfg.gen_target >= 0 then
+                self.gen_rate_setpoint = auto_cfg.gen_target * GEN_SCALER
+            end
+
+            if (type(auto_cfg.limits) == "table") and (#auto_cfg.limits == config.UnitCount) then
+                for i = 1, config.UnitCount do
+                    local limit = auto_cfg.limits[i]
+
+                    if (type(limit) == "number") and (limit >= 0.1) then
+                        limits[i] = limit
+                        self.units[i].set_burn_limit(limit)
+                    end
+                end
+            end
+
+            ready = self.mode_set > 0
+
+            if ((self.mode_set == PROCESS.CHARGE) and (self.charge_setpoint <= 0)) or
+               ((self.mode_set == PROCESS.GEN_RATE) and (self.gen_rate_setpoint <= 0)) or
+               ((self.mode_set == PROCESS.BURN_RATE) and (self.burn_target < 0.1)) then
+                ready = false
+            end
+        end
+
+        return ready, limits
+    end
+
     -- PUBLIC FUNCTIONS --
 
     ---@class facility
@@ -239,6 +336,9 @@ function facility.new(config)
 
     -- update (iterate) the facility management
     function public.update()
+        -- run reboot recovery routine if needed
+        f_update.boot_recovery()
+
         -- run process control and evaluate automatic SCRAM
         f_update.pre_auto()
         f_update.auto_control(config.ExtChargeIdling)
@@ -251,6 +351,9 @@ function facility.new(config)
         -- unit tasks
         f_update.unit_mgmt()
 
+        -- update alarm states right before updating the audio
+        f_update.update_alarms()
+
         -- update alarm tones
         f_update.alarm_audio()
     end
@@ -267,6 +370,50 @@ function facility.new(config)
 
     --#endregion
 
+    --#region Startup Recovery
+
+    -- on exit, use this to clear the boot state so we don't resume when exiting cleanly
+    function public.clear_boot_state()
+        settings.unset("LastProcessState")
+        settings.unset("LastUnitStates")
+
+        if not settings.save("/supervisor.settings") then
+            log.warning("facility.clear_boot_state(): failed to save supervisor settings file")
+        else
+            log.debug("FAC: cleared boot state on exit")
+        end
+    end
+
+    -- initialize facility resume boot recovery
+    ---@param state sv_boot_state|nil
+    function public.boot_recovery_init(state)
+        if self.recovery == RCV_STATE.INACTIVE and state then
+            self.recovery_boot_state = state
+            self.recovery = RCV_STATE.PRIMED
+            log.info("FAC: startup resume ready")
+        end
+    end
+
+    -- attempt facility resume boot recovery
+    ---@param auto_cfg start_auto_config configuration
+    function public.boot_recovery_start(auto_cfg)
+        if self.recovery == RCV_STATE.PRIMED then
+            self.recovery = util.trinary(_auto_check_and_save(auto_cfg), RCV_STATE.RUNNING, RCV_STATE.STOPPED)
+            log.info(util.c("FAC: startup resume ", util.trinary(self.recovery == RCV_STATE.RUNNING, "started", "failed")))
+        else self.recovery = RCV_STATE.STOPPED end
+    end
+
+    -- used on certain coordinator commands to end reboot recovery (remain in current operational state)
+    function public.cancel_recovery()
+        if self.recovery == RCV_STATE.RUNNING then
+            self.recovery = RCV_STATE.STOPPED
+            self.recovery_boot_state = nil
+            log.info("FAC: process startup resume cancelled by user operation")
+        end
+    end
+
+    --#endregion
+
     --#region Commands
 
     -- SCRAM all reactor units
@@ -276,10 +423,14 @@ function facility.new(config)
         end
     end
 
-    -- ack all alarms on all reactor units
+    -- ack all alarms on all reactor units and the facility
     function public.ack_all()
-        for i = 1, #self.units do
-            self.units[i].ack_all()
+        -- unit alarms
+        for i = 1, #self.units do self.units[i].ack_all() end
+
+        -- facility alarms
+        for id, state in pairs(self.alarm_states) do
+            if state == ALARM_STATE.TRIPPED then self.alarm_states[id] = ALARM_STATE.ACKED end
         end
     end
 
@@ -290,59 +441,13 @@ function facility.new(config)
     function public.auto_stop() self.mode = PROCESS.INACTIVE end
 
     -- set automatic control configuration and start the process
-    ---@param auto_cfg sys_auto_config configuration
+    ---@param auto_cfg start_auto_config configuration
     ---@return table response ready state (successfully started) and current configuration (after updating)
     function public.auto_start(auto_cfg)
-        local charge_scaler = 1000000   -- convert MFE to FE
-        local gen_scaler    = 1000      -- convert kFE to FE
-        local ready         = false
+        local ready, limits = _auto_check_and_save(auto_cfg)
 
-        -- load up current limits
-        local limits = {}
-        for i = 1, config.UnitCount do
-            limits[i] = self.units[i].get_control_inf().lim_br100 * 100
-        end
-
-        -- only allow changes if not running
-        if self.mode == PROCESS.INACTIVE then
-            if (type(auto_cfg.mode) == "number") and (auto_cfg.mode > PROCESS.INACTIVE) and (auto_cfg.mode <= PROCESS.GEN_RATE) then
-                self.mode_set = auto_cfg.mode
-            end
-
-            if (type(auto_cfg.burn_target) == "number") and auto_cfg.burn_target >= 0.1 then
-                self.burn_target = auto_cfg.burn_target
-            end
-
-            if (type(auto_cfg.charge_target) == "number") and auto_cfg.charge_target >= 0 then
-                self.charge_setpoint = auto_cfg.charge_target * charge_scaler
-            end
-
-            if (type(auto_cfg.gen_target) == "number") and auto_cfg.gen_target >= 0 then
-                self.gen_rate_setpoint = auto_cfg.gen_target * gen_scaler
-            end
-
-            if (type(auto_cfg.limits) == "table") and (#auto_cfg.limits == config.UnitCount) then
-                for i = 1, config.UnitCount do
-                    local limit = auto_cfg.limits[i]
-
-                    if (type(limit) == "number") and (limit >= 0.1) then
-                        limits[i] = limit
-                        self.units[i].set_burn_limit(limit)
-                    end
-                end
-            end
-
-            ready = self.mode_set > 0
-
-            if ((self.mode_set == PROCESS.CHARGE) and (self.charge_setpoint <= 0)) or
-               ((self.mode_set == PROCESS.GEN_RATE) and (self.gen_rate_setpoint <= 0)) or
-               ((self.mode_set == PROCESS.BURN_RATE) and (self.burn_target < 0.1)) then
-                ready = false
-            end
-
-            ready = ready and self.units_ready
-
-            if ready then self.mode = self.mode_set end
+        if ready and self.units_ready then
+            self.mode = self.mode_set
         end
 
         log.debug(util.c("FAC: process start ", util.trinary(ready, "accepted", "rejected")))
@@ -351,8 +456,8 @@ function facility.new(config)
             ready,
             self.mode_set,
             self.burn_target,
-            self.charge_setpoint / charge_scaler,
-            self.gen_rate_setpoint / gen_scaler,
+            self.charge_setpoint / CHARGE_SCALER,
+            self.gen_rate_setpoint / GEN_SCALER,
             limits
         }
     end

supervisor/facility_update.lua

@@ -1,17 +1,23 @@
-local audio  = require("scada-common.audio")
-local const  = require("scada-common.constants")
-local log    = require("scada-common.log")
-local rsio   = require("scada-common.rsio")
-local types  = require("scada-common.types")
-local util   = require("scada-common.util")
+local audio      = require("scada-common.audio")
+local const      = require("scada-common.constants")
+local log        = require("scada-common.log")
+local rsio       = require("scada-common.rsio")
+local types      = require("scada-common.types")
+local util       = require("scada-common.util")
 
-local qtypes = require("supervisor.session.rtu.qtypes")
+local alarm_ctl  = require("supervisor.alarm_ctl")
+
+local plc        = require("supervisor.session.plc")
+local svsessions = require("supervisor.session.svsessions")
+
+local qtypes     = require("supervisor.session.rtu.qtypes")
 
 local TONE           = audio.TONE
 
 local ALARM          = types.ALARM
 local PRIO           = types.ALARM_PRIORITY
 local ALARM_STATE    = types.ALARM_STATE
+local AUTO_GROUP     = types.AUTO_GROUP
 local CONTAINER_MODE = types.CONTAINER_MODE
 local PROCESS        = types.PROCESS
 local PROCESS_NAMES  = types.PROCESS_NAMES
@@ -131,6 +137,54 @@ end
 
 --#region PUBLIC FUNCTIONS
 
+-- run reboot recovery routine if needed
+function update.boot_recovery()
+    local RCV_STATE = self.types.RCV_STATE
+
+    -- attempt reboot recovery if in progress
+    if self.recovery == RCV_STATE.RUNNING then
+        local was_inactive = self.recovery_boot_state.mode == PROCESS.INACTIVE or self.recovery_boot_state.mode == PROCESS.SYSTEM_ALARM_IDLE
+
+        -- try to start auto control
+        if self.recovery_boot_state.mode ~= nil and self.units_ready then
+            if not was_inactive then
+                self.mode = self.mode_set
+                log.info("FAC: process startup resume initiated")
+            end
+
+            self.recovery_boot_state.mode = nil
+        end
+
+        local recovered = self.recovery_boot_state.mode == nil or was_inactive
+
+        -- restore manual control reactors
+        for i = 1, #self.units do
+            local u = self.units[i]
+
+            if self.recovery_boot_state.unit_states[i] and self.group_map[i] == AUTO_GROUP.MANUAL then
+                recovered = false
+
+                if u.get_control_inf().ready then
+                    local plc_s = svsessions.get_reactor_session(i)
+                    if plc_s ~= nil then
+                        plc_s.in_queue.push_command(plc.PLC_S_CMDS.ENABLE)
+                        log.info("FAC: startup resume enabling manually controlled reactor unit #" .. i)
+
+                        -- only execute once
+                        self.recovery_boot_state.unit_states[i] = nil
+                    end
+                end
+            end
+        end
+
+        if recovered then
+            self.recovery = RCV_STATE.STOPPED
+            self.recovery_boot_state = nil
+            log.info("FAC: startup resume sequence completed")
+        end
+    end
+end
+
 -- automatic control pre-update logic
 function update.pre_auto()
     -- unlink RTU sessions if they are closed
@@ -243,6 +297,11 @@ function update.auto_control(ExtChargeIdling)
 
         log.debug(util.c("FAC: state changed from ", PROCESS_NAMES[self.last_mode + 1], " to ", PROCESS_NAMES[self.mode + 1]))
 
+        settings.set("LastProcessState", self.mode)
+        if not settings.save("/supervisor.settings") then
+            log.warning("facility_update.auto_control(): failed to save supervisor settings file")
+        end
+
         if (self.last_mode == PROCESS.INACTIVE) or (self.last_mode == PROCESS.GEN_RATE_FAULT_IDLE) then
             self.start_fail = START_STATUS.OK
 
@@ -586,7 +645,7 @@ function update.auto_safety()
     end
 
     if (self.mode ~= PROCESS.INACTIVE) and (self.mode ~= PROCESS.SYSTEM_ALARM_IDLE) then
-        local scram = astatus.matrix_fault or astatus.matrix_fill or astatus.crit_alarm or astatus.gen_fault
+        local scram = astatus.matrix_fault or astatus.matrix_fill or astatus.crit_alarm or astatus.radiation or astatus.gen_fault
 
         if scram and not self.ascram then
             -- SCRAM all units
@@ -642,25 +701,32 @@ function update.auto_safety()
             self.ascram_reason = AUTO_SCRAM.NONE
 
             -- reset PLC RPS trips if we should
-            for i = 1, #self.units do
-                local u = self.units[i]
-                u.auto_cond_rps_reset()
+            for i = 1, #self.prio_defs do
+                for _, u in pairs(self.prio_defs[i]) do
+                    u.auto_cond_rps_reset()
+                end
             end
         end
     end
 end
 
--- update last mode and set next mode
+-- update last mode, set next mode, and update saved state as needed
 function update.post_auto()
     self.last_mode = self.mode
     self.mode = next_mode
 end
 
+-- update facility alarm states
+function update.update_alarms()
+    -- Facility Radiation
+    alarm_ctl.update_alarm_state("FAC", self.alarm_states, self.ascram_status.radiation, self.alarms.FacilityRadiation, true)
+end
+
 -- update alarm audio control
 function update.alarm_audio()
     local allow_test = self.allow_testing and self.test_tone_set
 
-    local alarms = { false, false, false, false, false, false, false, false, false, false, false, false }
+    local alarms = { false, false, false, false, false, false, false, false, false, false, false, false, false }
 
     -- reset tone states before re-evaluting
     for i = 1, #self.tone_states do self.tone_states[i] = false end
@@ -676,8 +742,11 @@ function update.alarm_audio()
             end
         end
 
+        -- record facility alarms
+        alarms[ALARM.FacilityRadiation] = self.alarm_states[ALARM.FacilityRadiation] == ALARM_STATE.TRIPPED
+
+        -- clear testing alarms if we aren't using them
         if not self.test_tone_reset then
-            -- clear testing alarms if we aren't using them
             for i = 1, #self.test_alarm_states do self.test_alarm_states[i] = false end
         end
     end
@@ -716,7 +785,7 @@ function update.alarm_audio()
     end
 
     -- radiation is a big concern, always play this CRITICAL level alarm if active
-    if alarms[ALARM.ContainmentRadiation] then
+    if alarms[ALARM.ContainmentRadiation] or alarms[ALARM.FacilityRadiation] then
         self.tone_states[TONE.T_800Hz_1000Hz_Alt] = true
         -- we are going to disable the RPS trip alarm audio due to conflict, and if it was enabled
         -- then we can re-enable the reactor lost alarm audio since it doesn't painfully combine with this one
@@ -792,6 +861,7 @@ end
 function update.unit_mgmt()
     local insufficent_po_rate = false
     local need_emcool = false
+    local write_state = false
 
     for i = 1, #self.units do
         local u = self.units[i]
@@ -807,6 +877,21 @@ function update.unit_mgmt()
         if (self.cooling_conf.fac_tank_mode > 0) and u.is_emer_cool_tripped() and (self.cooling_conf.fac_tank_defs[i] == 2) then
             need_emcool = true
         end
+
+        -- check for enabled state changes to save
+        if self.last_unit_states[i] ~= u.is_reactor_enabled() then
+            self.last_unit_states[i] = u.is_reactor_enabled()
+            write_state = true
+        end
+    end
+
+    -- record unit control states
+
+    if write_state then
+        settings.set("LastUnitStates", self.last_unit_states)
+        if not settings.save("/supervisor.settings") then
+            log.warning("facility_update.unit_mgmt(): failed to save supervisor settings file")
+        end
     end
 
     -- update waste product

supervisor/panel/components/pdg_entry.lua

@@ -25,6 +25,8 @@ local function init(parent, id)
 
     local label_fg = style.fp.label_fg
 
+    local term_w, _ = term.getSize()
+
     -- root div
     local root = Div{parent=parent,x=2,y=2,height=4,width=parent.get_width()-2}
     local entry = Div{parent=root,x=2,y=1,height=3,fg_bg=style.theme.highlight_box_bright}
@@ -40,9 +42,9 @@ local function init(parent, id)
     local pdg_fw_v = TextBox{parent=entry,x=14,y=2,text=" ------- ",width=20,fg_bg=label_fg}
     pdg_fw_v.register(databus.ps, ps_prefix .. "fw", pdg_fw_v.set_value)
 
-    TextBox{parent=entry,x=35,y=2,text="RTT:",width=4}
-    local pdg_rtt = DataIndicator{parent=entry,x=40,y=2,label="",unit="",format="%5d",value=0,width=5,fg_bg=label_fg}
-    TextBox{parent=entry,x=46,y=2,text="ms",width=4,fg_bg=label_fg}
+    TextBox{parent=entry,x=term_w-16,y=2,text="RTT:",width=4}
+    local pdg_rtt = DataIndicator{parent=entry,x=term_w-11,y=2,label="",unit="",format="%5d",value=0,width=5,fg_bg=label_fg}
+    TextBox{parent=entry,x=term_w-5,y=2,text="ms",width=4,fg_bg=label_fg}
     pdg_rtt.register(databus.ps, ps_prefix .. "rtt", pdg_rtt.update)
     pdg_rtt.register(databus.ps, ps_prefix .. "rtt_color", pdg_rtt.recolor)
 

supervisor/panel/components/rtu_entry.lua

@@ -25,6 +25,8 @@ local function init(parent, id)
 
     local label_fg = style.fp.label_fg
 
+    local term_w, _ = term.getSize()
+
     -- root div
     local root = Div{parent=parent,x=2,y=2,height=4,width=parent.get_width()-2}
     local entry = Div{parent=root,x=2,y=1,height=3,fg_bg=style.theme.highlight_box_bright}
@@ -40,13 +42,13 @@ local function init(parent, id)
     local unit_count = DataIndicator{parent=entry,x=17,y=2,label="",unit="",format="%2d",value=0,width=2,fg_bg=style.fp.label_d_fg}
     unit_count.register(databus.ps, ps_prefix .. "units", unit_count.set_value)
 
-    TextBox{parent=entry,x=21,y=2,text="FW:",width=3}
-    local rtu_fw_v = TextBox{parent=entry,x=25,y=2,text=" ------- ",width=9,fg_bg=label_fg}
+    TextBox{parent=entry,x=term_w-30,y=2,text="FW:",width=3}
+    local rtu_fw_v = TextBox{parent=entry,x=term_w-26,y=2,text=" ------- ",width=9,fg_bg=label_fg}
     rtu_fw_v.register(databus.ps, ps_prefix .. "fw", rtu_fw_v.set_value)
 
-    TextBox{parent=entry,x=36,y=2,text="RTT:",width=4}
-    local rtu_rtt = DataIndicator{parent=entry,x=40,y=2,label="",unit="",format="%5d",value=0,width=5,fg_bg=label_fg}
-    TextBox{parent=entry,x=46,y=2,text="ms",width=4,fg_bg=label_fg}
+    TextBox{parent=entry,x=term_w-15,y=2,text="RTT:",width=4}
+    local rtu_rtt = DataIndicator{parent=entry,x=term_w-11,y=2,label="",unit="",format="%5d",value=0,width=5,fg_bg=label_fg}
+    TextBox{parent=entry,x=term_w-5,y=2,text="ms",width=4,fg_bg=label_fg}
     rtu_rtt.register(databus.ps, ps_prefix .. "rtt", rtu_rtt.update)
     rtu_rtt.register(databus.ps, ps_prefix .. "rtt_color", rtu_rtt.recolor)
 

supervisor/panel/front_panel.lua

@@ -41,6 +41,8 @@ local function init(panel)
     local label_fg = style.fp.label_fg
     local label_d_fg = style.fp.label_d_fg
 
+    local term_w, term_h = term.getSize()
+
     TextBox{parent=panel,y=1,text="SCADA SUPERVISOR",alignment=ALIGN.CENTER,fg_bg=style.theme.header}
 
     local page_div = Div{parent=panel,x=1,y=3}
@@ -73,9 +75,9 @@ local function init(panel)
     -- about footer
     --
 
-    local about   = Div{parent=main_page,width=15,height=3,x=1,y=16,fg_bg=style.fp.disabled_fg}
-    local fw_v    = TextBox{parent=about,x=1,y=1,text="FW: v00.00.00"}
-    local comms_v = TextBox{parent=about,x=1,y=2,text="NT: v00.00.00"}
+    local about   = Div{parent=main_page,width=15,height=2,y=term_h-3,fg_bg=style.fp.disabled_fg}
+    local fw_v    = TextBox{parent=about,text="FW: v00.00.00"}
+    local comms_v = TextBox{parent=about,text="NT: v00.00.00"}
 
     fw_v.register(databus.ps, "version", function (version) fw_v.set_value(util.c("FW: ", version)) end)
     comms_v.register(databus.ps, "comms_version", function (version) comms_v.set_value(util.c("NT: v", version)) end)
@@ -87,7 +89,7 @@ local function init(panel)
     -- plc sessions page
 
     local plc_page = Div{parent=page_div,x=1,y=1,hidden=true}
-    local plc_list = Div{parent=plc_page,x=2,y=2,width=49}
+    local plc_list = Div{parent=plc_page,x=2,y=2,width=term_w-2}
 
     for i = 1, supervisor.config.UnitCount do
         local ps_prefix = "plc_" .. i .. "_"
@@ -103,13 +105,13 @@ local function init(panel)
         local plc_addr = TextBox{parent=plc_entry,x=17,y=2,text=" --- ",width=5,fg_bg=label_d_fg}
         plc_addr.register(databus.ps, ps_prefix .. "addr", plc_addr.set_value)
 
-        TextBox{parent=plc_entry,x=23,y=2,text="FW:",width=3}
-        local plc_fw_v = TextBox{parent=plc_entry,x=27,y=2,text=" ------- ",width=9,fg_bg=label_fg}
+        TextBox{parent=plc_entry,x=term_w-28,y=2,text="FW:",width=3}
+        local plc_fw_v = TextBox{parent=plc_entry,x=term_w-24,y=2,text=" ------- ",width=9,fg_bg=label_fg}
         plc_fw_v.register(databus.ps, ps_prefix .. "fw", plc_fw_v.set_value)
 
-        TextBox{parent=plc_entry,x=37,y=2,text="RTT:",width=4}
-        local plc_rtt = DataIndicator{parent=plc_entry,x=42,y=2,label="",unit="",format="%4d",value=0,width=4,fg_bg=label_fg}
-        TextBox{parent=plc_entry,x=47,y=2,text="ms",width=4,fg_bg=label_fg}
+        TextBox{parent=plc_entry,x=term_w-14,y=2,text="RTT:",width=4}
+        local plc_rtt = DataIndicator{parent=plc_entry,x=term_w-9,y=2,label="",unit="",format="%4d",value=0,width=4,fg_bg=label_fg}
+        TextBox{parent=plc_entry,x=term_w-4,y=2,text="ms",width=4,fg_bg=label_fg}
         plc_rtt.register(databus.ps, ps_prefix .. "rtt", plc_rtt.update)
         plc_rtt.register(databus.ps, ps_prefix .. "rtt_color", plc_rtt.recolor)
 
@@ -119,13 +121,13 @@ local function init(panel)
     -- rtu sessions page
 
     local rtu_page = Div{parent=page_div,x=1,y=1,hidden=true}
-    local rtu_list = ListBox{parent=rtu_page,x=1,y=1,height=17,width=51,scroll_height=1000,fg_bg=cpair(colors.black,colors.ivory),nav_fg_bg=cpair(colors.gray,colors.lightGray),nav_active=cpair(colors.black,colors.gray)}
+    local rtu_list = ListBox{parent=rtu_page,y=1,height=term_h-2,width=term_w,scroll_height=1000,fg_bg=cpair(colors.black,colors.ivory),nav_fg_bg=cpair(colors.gray,colors.lightGray),nav_active=cpair(colors.black,colors.gray)}
     local _ = Div{parent=rtu_list,height=1} -- padding
 
     -- coordinator session page
 
     local crd_page = Div{parent=page_div,x=1,y=1,hidden=true}
-    local crd_box = Div{parent=crd_page,x=2,y=2,width=49,height=4,fg_bg=s_hi_bright}
+    local crd_box = Div{parent=crd_page,x=2,y=2,width=term_w-2,height=4,fg_bg=s_hi_bright}
 
     local crd_conn = LED{parent=crd_box,x=2,y=2,label="CONNECTION",colors=cpair(colors.green_hc,colors.green_off)}
     crd_conn.register(databus.ps, "crd_conn", crd_conn.update)
@@ -138,27 +140,27 @@ local function init(panel)
     local crd_fw_v = TextBox{parent=crd_box,x=26,y=2,text=" ------- ",width=9,fg_bg=label_fg}
     crd_fw_v.register(databus.ps, "crd_fw", crd_fw_v.set_value)
 
-    TextBox{parent=crd_box,x=36,y=2,text="RTT:",width=4}
-    local crd_rtt = DataIndicator{parent=crd_box,x=41,y=2,label="",unit="",format="%5d",value=0,width=5,fg_bg=label_fg}
-    TextBox{parent=crd_box,x=47,y=2,text="ms",width=4,fg_bg=label_fg}
+    TextBox{parent=crd_box,x=term_w-15,y=2,text="RTT:",width=4}
+    local crd_rtt = DataIndicator{parent=crd_box,x=term_w-10,y=2,label="",unit="",format="%5d",value=0,width=5,fg_bg=label_fg}
+    TextBox{parent=crd_box,x=term_w-4,y=2,text="ms",width=4,fg_bg=label_fg}
     crd_rtt.register(databus.ps, "crd_rtt", crd_rtt.update)
     crd_rtt.register(databus.ps, "crd_rtt_color", crd_rtt.recolor)
 
     -- pocket sessions page
 
-    local pkt_page = Div{parent=page_div,x=1,y=1,hidden=true}
-    local pdg_list = ListBox{parent=pkt_page,x=1,y=1,height=17,width=51,scroll_height=1000,fg_bg=style.fp.text_fg,nav_fg_bg=cpair(colors.gray,colors.lightGray),nav_active=cpair(colors.black,colors.gray)}
+    local pkt_page = Div{parent=page_div,y=1,hidden=true}
+    local pdg_list = ListBox{parent=pkt_page,y=1,height=term_h-2,width=term_w,scroll_height=1000,fg_bg=style.fp.text_fg,nav_fg_bg=cpair(colors.gray,colors.lightGray),nav_active=cpair(colors.black,colors.gray)}
     local _ = Div{parent=pdg_list,height=1} -- padding
 
     -- RTU device ID check/diagnostics page
 
-    local chk_page = Div{parent=page_div,x=1,y=1,hidden=true}
-    local chk_list = ListBox{parent=chk_page,x=1,y=1,height=17,width=51,scroll_height=1000,fg_bg=style.fp.text_fg,nav_fg_bg=cpair(colors.gray,colors.lightGray),nav_active=cpair(colors.black,colors.gray)}
+    local chk_page = Div{parent=page_div,y=1,hidden=true}
+    local chk_list = ListBox{parent=chk_page,y=1,height=term_h-2,width=term_w,scroll_height=1000,fg_bg=style.fp.text_fg,nav_fg_bg=cpair(colors.gray,colors.lightGray),nav_active=cpair(colors.black,colors.gray)}
     local _ = Div{parent=chk_list,height=1} -- padding
 
     -- info page
 
-    local info_page = Div{parent=page_div,x=1,y=1,hidden=true}
+    local info_page = Div{parent=page_div,y=1,hidden=true}
     local info = Div{parent=info_page,height=6,x=2,y=2}
 
     TextBox{parent=info,text="SVR \x1a Supervisor Status"}
@@ -168,7 +170,7 @@ local function init(panel)
     TextBox{parent=info,text="PKT \x1a Pocket Connections"}
     TextBox{parent=info,text="DEV \x1a RTU Device/Configuration Alerts"}
 
-    local notes = Div{parent=info_page,width=49,height=8,x=2,y=9,fg_bg=style.fp.disabled_fg}
+    local notes = Div{parent=info_page,width=term_w-2,height=8,x=2,y=9,fg_bg=style.fp.disabled_fg}
 
     TextBox{parent=notes,text="The DEV tab will show missing devices and devices that connected with incorrect information. Missing entries will indicate how the configuration should be, duplicate entries will indicate what is a duplicate, and out-of-range entries will indicate the invalid entry. An out-of-range example is a #2 turbine when you should only have 1 turbine for that unit."}
 

supervisor/session/coordinator.lua

@@ -234,6 +234,23 @@ function coordinator.new_session(id, s_addr, i_seq_num, in_queue, out_queue, tim
             if pkt.type == CRDN_TYPE.INITIAL_BUILDS then
                 -- acknowledgement to coordinator receiving builds
                 self.acks.builds = true
+            elseif pkt.type == CRDN_TYPE.PROCESS_READY then
+                if pkt.length == 5 then
+                    -- coordinator has sent all initial process data, power-on recovery is now possible
+
+                    ---@type start_auto_config
+                    local config = {
+                        mode = pkt.data[1],
+                        burn_target = pkt.data[2],
+                        charge_target = pkt.data[3],
+                        gen_target = pkt.data[4],
+                        limits = pkt.data[5]
+                    }
+
+                    facility.boot_recovery_start(config)
+                else
+                    log.debug(log_tag .. "CRDN process ready packet length mismatch")
+                end
             elseif pkt.type == CRDN_TYPE.FAC_BUILDS then
                 -- acknowledgement to coordinator receiving builds
                 self.acks.fac_builds = true
@@ -243,8 +260,11 @@ function coordinator.new_session(id, s_addr, i_seq_num, in_queue, out_queue, tim
 
                     if cmd == FAC_COMMAND.SCRAM_ALL then
                         facility.scram_all()
+                        facility.cancel_recovery()
                         _send(CRDN_TYPE.FAC_CMD, { cmd, true })
                     elseif cmd == FAC_COMMAND.STOP then
+                        facility.cancel_recovery()
+
                         local was_active = facility.auto_is_active()
 
                         if was_active then
@@ -253,15 +273,16 @@ function coordinator.new_session(id, s_addr, i_seq_num, in_queue, out_queue, tim
 
                         _send(CRDN_TYPE.FAC_CMD, { cmd, was_active })
                     elseif cmd == FAC_COMMAND.START then
+                        facility.cancel_recovery()
+
                         if pkt.length == 6 then
-                            ---@type sys_auto_config
----@diagnostic disable-next-line: missing-fields
+                            ---@class start_auto_config
                             local config = {
-                                mode = pkt.data[2],
-                                burn_target = pkt.data[3],
-                                charge_target = pkt.data[4],
-                                gen_target = pkt.data[5],
-                                limits = pkt.data[6]
+                                mode = pkt.data[2],          ---@type PROCESS
+                                burn_target = pkt.data[3],   ---@type number
+                                charge_target = pkt.data[4], ---@type number
+                                gen_target = pkt.data[5],    ---@type number
+                                limits = pkt.data[6]         ---@type number[]
                             }
 
                             _send(CRDN_TYPE.FAC_CMD, { cmd, table.unpack(facility.auto_start(config)) })
@@ -313,8 +334,11 @@ function coordinator.new_session(id, s_addr, i_seq_num, in_queue, out_queue, tim
                         local manual = facility.get_group(uid) == AUTO_GROUP.MANUAL
 
                         if cmd == UNIT_COMMAND.SCRAM then
+                            facility.cancel_recovery()
                             out_queue.push_data(SV_Q_DATA.SCRAM, data)
                         elseif cmd == UNIT_COMMAND.START then
+                            facility.cancel_recovery()
+
                             if manual then
                                 out_queue.push_data(SV_Q_DATA.START, data)
                             else
@@ -324,6 +348,8 @@ function coordinator.new_session(id, s_addr, i_seq_num, in_queue, out_queue, tim
                         elseif cmd == UNIT_COMMAND.RESET_RPS then
                             out_queue.push_data(SV_Q_DATA.RESET_RPS, data)
                         elseif cmd == UNIT_COMMAND.SET_BURN then
+                            facility.cancel_recovery()
+
                             if pkt.length == 3 then
                                 if manual then
                                     out_queue.push_data(SV_Q_DATA.SET_BURN, data)
@@ -354,6 +380,8 @@ function coordinator.new_session(id, s_addr, i_seq_num, in_queue, out_queue, tim
                                 log.debug(log_tag .. "CRDN unit command reset alarm missing alarm id")
                             end
                         elseif cmd == UNIT_COMMAND.SET_GROUP then
+                            facility.cancel_recovery()
+
                             if (pkt.length == 3) and (type(pkt.data[3]) == "number") and
                                (pkt.data[3] >= AUTO_GROUP.MANUAL) and (pkt.data[3] <= AUTO_GROUP.BACKUP) then
                                 facility.set_group(unit.get_id(), pkt.data[3])

supervisor/session/plc.lua

@@ -53,15 +53,15 @@ local PERIODICS = {
 ---@param in_queue mqueue in message queue
 ---@param out_queue mqueue out message queue
 ---@param timeout number communications timeout
+---@param initial_reset boolean[] initial PLC reset on timeout flags, indexed by reactor_id
 ---@param fp_ok boolean if the front panel UI is running
-function plc.new_session(id, s_addr, i_seq_num, reactor_id, in_queue, out_queue, timeout, fp_ok)
+function plc.new_session(id, s_addr, i_seq_num, reactor_id, in_queue, out_queue, timeout, initial_reset, fp_ok)
     -- print a log message to the terminal as long as the UI isn't running
     local function println(message) if not fp_ok then util.println_ts(message) end end
 
     local log_tag = "plc_session(" .. id .. "): "
 
     local self = {
-        commanded_state = false,
         commanded_burn_rate = 0.0,
         auto_cmd_token = 0,
         ramping_rate = false,
@@ -72,6 +72,7 @@ function plc.new_session(id, s_addr, i_seq_num, reactor_id, in_queue, out_queue,
         connected = true,
         received_struct = false,
         received_status_cache = false,
+        received_rps_status = false,
         conn_watchdog = util.new_watchdog(timeout),
         last_rtt = 0,
         -- periodic messages
@@ -381,6 +382,16 @@ function plc.new_session(id, s_addr, i_seq_num, reactor_id, in_queue, out_queue,
                     local status = pcall(_copy_rps_status, pkt.data)
                     if status then
                         -- copied in RPS status data OK
+                        self.received_rps_status = true
+
+                        -- try initial reset if needed
+                        if initial_reset[reactor_id] then
+                            initial_reset[reactor_id] = false
+                            if self.sDB.rps_trip_cause == "timeout" then
+                                _send(RPLC_TYPE.RPS_AUTO_RESET, {})
+                                log.debug(log_tag .. "initial RPS reset on timeout status sent")
+                            end
+                        end
                     else
                         -- error copying RPS status data
                         log.error(log_tag .. "failed to parse RPS status packet data")
@@ -394,6 +405,16 @@ function plc.new_session(id, s_addr, i_seq_num, reactor_id, in_queue, out_queue,
                     local status = pcall(_copy_rps_status, { true, table.unpack(pkt.data) })
                     if status then
                         -- copied in RPS status data OK
+                        self.received_rps_status = true
+
+                        -- try initial reset if needed
+                        if initial_reset[reactor_id] then
+                            initial_reset[reactor_id] = false
+                            if self.sDB.rps_trip_cause == "timeout" then
+                                _send(RPLC_TYPE.RPS_AUTO_RESET, {})
+                                log.debug(log_tag .. "initial RPS reset on timeout alarm sent")
+                            end
+                        end
                     else
                         -- error copying RPS status data
                         log.error(log_tag .. "failed to parse RPS alarm status data")
@@ -487,6 +508,10 @@ function plc.new_session(id, s_addr, i_seq_num, reactor_id, in_queue, out_queue,
     ---@nodiscard
     function public.get_db() return self.sDB end
 
+    -- check if the reactor structure, status, and RPS status have been received
+    ---@nodiscard
+    function public.check_received_all_data() return self.received_struct and self.received_status_cache and self.received_rps_status end
+
     -- check if ramping is completed by first verifying auto command token ack
     ---@nodiscard
     function public.is_ramp_complete()

supervisor/session/rsctl.lua

@@ -9,7 +9,8 @@ local rsctl = {}
 -- create a new redstone RTU I/O controller
 ---@nodiscard
 ---@param redstone_rtus redstone_session[] redstone RTU sessions
-function rsctl.new(redstone_rtus)
+---@param bank integer I/O bank (unit/facility assignment) to interface with
+function rsctl.new(redstone_rtus, bank)
     ---@class rs_controller
     local public = {}
 
@@ -18,7 +19,7 @@ function rsctl.new(redstone_rtus)
     ---@return boolean
     function public.is_connected(port)
         for i = 1, #redstone_rtus do
-            if redstone_rtus[i].get_db().io[port] ~= nil then return true end
+            if redstone_rtus[i].get_db().io[bank][port] ~= nil then return true end
         end
 
         return false
@@ -29,7 +30,7 @@ function rsctl.new(redstone_rtus)
     ---@param value boolean
     function public.digital_write(port, value)
         for i = 1, #redstone_rtus do
-            local io = redstone_rtus[i].get_db().io[port]
+            local io = redstone_rtus[i].get_db().io[bank][port]
             if io ~= nil then io.write(value) end
         end
     end
@@ -40,7 +41,7 @@ function rsctl.new(redstone_rtus)
     ---@return boolean|nil
     function public.digital_read(port)
         for i = 1, #redstone_rtus do
-            local io = redstone_rtus[i].get_db().io[port]
+            local io = redstone_rtus[i].get_db().io[bank][port]
             if io ~= nil then return io.read() --[[@as boolean|nil]] end
         end
     end
@@ -52,7 +53,7 @@ function rsctl.new(redstone_rtus)
     ---@param max number maximum value for scaling 0 to 15
     function public.analog_write(port, value, min, max)
         for i = 1, #redstone_rtus do
-            local io = redstone_rtus[i].get_db().io[port]
+            local io = redstone_rtus[i].get_db().io[bank][port]
             if io ~= nil then io.write(rsio.analog_write(value, min, max)) end
         end
     end

supervisor/session/rtu.lua

@@ -93,7 +93,7 @@ function rtu.new_session(id, s_addr, i_seq_num, in_queue, out_queue, timeout, ad
                 type = self.advert[i][1],
                 index = self.advert[i][2],
                 reactor = self.advert[i][3],
-                rsio = self.advert[i][4]
+                rs_conns = self.advert[i][4]
             }
 
             local u_type = unit_advert.type ---@type RTU_UNIT_TYPE|boolean
@@ -104,14 +104,17 @@ function rtu.new_session(id, s_addr, i_seq_num, in_queue, out_queue, timeout, ad
             advert_validator.assert(util.is_int(unit_advert.index) or (unit_advert.index == false))
             advert_validator.assert_type_int(unit_advert.reactor)
 
-            if u_type == RTU_UNIT_TYPE.REDSTONE then
-                advert_validator.assert_type_table(unit_advert.rsio)
-            end
-
             if advert_validator.valid() then
                 if util.is_int(unit_advert.index) then advert_validator.assert_min(unit_advert.index, 1) end
-                advert_validator.assert_min(unit_advert.reactor, 0)
-                advert_validator.assert_max(unit_advert.reactor, #self.fac_units)
+
+                if (unit_advert.reactor == -1) or (u_type == RTU_UNIT_TYPE.REDSTONE) then
+                    advert_validator.assert((unit_advert.reactor == -1) and (u_type == RTU_UNIT_TYPE.REDSTONE))
+                    advert_validator.assert_type_table(unit_advert.rs_conns)
+                else
+                    advert_validator.assert_min(unit_advert.reactor, 0)
+                    advert_validator.assert_max(unit_advert.reactor, #self.fac_units)
+                end
+
                 if not advert_validator.valid() then u_type = false end
             else
                 u_type = false
@@ -126,15 +129,34 @@ function rtu.new_session(id, s_addr, i_seq_num, in_queue, out_queue, timeout, ad
                 -- validation fail
                 log.debug(log_tag .. "_handle_advertisement(): advertisement unit validation failure")
             else
-                if unit_advert.reactor > 0 then
-                    local target_unit = self.fac_units[unit_advert.reactor]
-
-                    -- unit RTUs
+                if unit_advert.reactor == -1 then
+                    -- redstone RTUs can be used in multiple different assignments
                     if u_type == RTU_UNIT_TYPE.REDSTONE then
                         -- redstone
                         unit = svrs_redstone.new(id, i, unit_advert, self.modbus_q)
-                        if type(unit) ~= "nil" then target_unit.add_redstone(unit) end
-                    elseif u_type == RTU_UNIT_TYPE.BOILER_VALVE then
+
+                        -- link this to any subsystems this RTU provides connections for
+                        if type(unit) ~= "nil" then
+                            for assignment, conns in pairs(unit_advert.rs_conns) do
+                                if #conns > 0 then
+                                    if assignment == 0 then
+                                        facility.add_redstone(unit)
+                                    elseif assignment > 0 and assignment <= #self.fac_units then
+                                        self.fac_units[assignment].add_redstone(unit)
+                                    else
+                                        log.warning(util.c(log_tag, "_handle_advertisement(): invalid redstone RTU assignment ", assignment))
+                                    end
+                                end
+                            end
+                        end
+                    else
+                        log.warning(util.c(log_tag, "_handle_advertisement(): encountered unsupported multi-assignment RTU type ", type_string))
+                    end
+                elseif unit_advert.reactor > 0 then
+                    local target_unit = self.fac_units[unit_advert.reactor]
+
+                    -- unit RTUs
+                    if u_type == RTU_UNIT_TYPE.BOILER_VALVE then
                         -- boiler
                         unit = svrs_boilerv.new(id, i, unit_advert, self.modbus_q)
                         if type(unit) ~= "nil" then target_unit.add_boiler(unit) end

supervisor/session/rtu/redstone.lua

@@ -10,7 +10,6 @@ local redstone = {}
 local RTU_UNIT_TYPE = types.RTU_UNIT_TYPE
 local MODBUS_FCODE = types.MODBUS_FCODE
 
-local IO_PORT = rsio.IO
 local IO_LVL = rsio.IO_LVL
 local IO_MODE = rsio.IO_MODE
 
@@ -39,6 +38,9 @@ local PERIODICS = {
     OUTPUT_SYNC = 200
 }
 
+-- create a new block of IO banks (facility, then each unit)
+local function new_io_block() return { [0] = {}, {}, {}, {}, {} } end
+
 ---@class dig_phy_entry
 ---@field phy IO_LVL actual value
 ---@field req IO_LVL commanded value
@@ -74,27 +76,27 @@ function redstone.new(session_id, unit_id, advert, out_queue)
             next_ir_req  = 0,
             next_hr_sync = 0
         },
-        ---@class rs_io_list
-        io_list = {
-            digital_in = {},    ---@type IO_PORT[] discrete inputs
-            digital_out = {},   ---@type IO_PORT[] coils
-            analog_in = {},     ---@type IO_PORT[] input registers
-            analog_out = {}     ---@type IO_PORT[] holding registers
+        ---@class rs_io_map
+        io_map = {
+            digital_in = {},    ---@type { bank: integer, port: IO_PORT }[] discrete inputs
+            digital_out = {},   ---@type { bank: integer, port: IO_PORT }[] coils
+            analog_in = {},     ---@type { bank: integer, port: IO_PORT }[] input registers
+            analog_out = {}     ---@type { bank: integer, port: IO_PORT }[] holding registers
         },
         phy_trans = { coils = -1, hold_regs = -1 },
         -- last set/read ports (reflecting the current state of the RTU)
         ---@class rs_io_states
         phy_io = {
-            digital_in = {},    ---@type dig_phy_entry[] discrete inputs
-            digital_out = {},   ---@type dig_phy_entry[] coils
-            analog_in = {},     ---@type ana_phy_entry[] input registers
-            analog_out = {}     ---@type ana_phy_entry[] holding registers
+            digital_in = new_io_block(),    ---@type dig_phy_entry[][] discrete inputs
+            digital_out = new_io_block(),   ---@type dig_phy_entry[][] coils
+            analog_in = new_io_block(),     ---@type ana_phy_entry[][] input registers
+            analog_out = new_io_block()     ---@type ana_phy_entry[][] holding registers
         },
         ---@class redstone_session_db
         db = {
             -- read/write functions for connected I/O
-            ---@type (rs_db_dig_io|rs_db_ana_io)[]
-            io = {}
+            ---@type (rs_db_dig_io|rs_db_ana_io)[][]
+            io = new_io_block()
         }
     }
 
@@ -103,93 +105,91 @@ function redstone.new(session_id, unit_id, advert, out_queue)
 
     -- INITIALIZE --
 
-    -- create all ports as disconnected
-    for _ = 1, #IO_PORT do
-        table.insert(self.db, IO_LVL.DISCONNECT)
-    end
-
     -- setup I/O
-    for i = 1, #advert.rsio do
-        local port = advert.rsio[i]
+    for bank = 0, 4 do
+        for i = 1, #advert.rs_conns[bank] do
+            local port = advert.rs_conns[bank][i]
 
-        if rsio.is_valid_port(port) then
-            local mode = rsio.get_io_mode(port)
+            if rsio.is_valid_port(port) then
+                local mode     = rsio.get_io_mode(port)
+                local io_entry = { bank = bank, port = port }
 
-            if mode == IO_MODE.DIGITAL_IN then
-                self.has_di = true
-                table.insert(self.io_list.digital_in, port)
+                if mode == IO_MODE.DIGITAL_IN then
+                    self.has_di = true
+                    table.insert(self.io_map.digital_in, io_entry)
 
-                self.phy_io.digital_in[port] = { phy = IO_LVL.FLOATING, req = IO_LVL.FLOATING }
+                    self.phy_io.digital_in[bank][port] = { phy = IO_LVL.FLOATING, req = IO_LVL.FLOATING }
 
-                ---@class rs_db_dig_io
-                local io_f = {
-                    ---@nodiscard
-                    read = function () return rsio.digital_is_active(port, self.phy_io.digital_in[port].phy) end,
-                    write = function () end
-                }
+                    ---@class rs_db_dig_io
+                    local io_f = {
+                        ---@nodiscard
+                        read = function () return rsio.digital_is_active(port, self.phy_io.digital_in[bank][port].phy) end,
+                        write = function () end
+                    }
 
-                self.db.io[port] = io_f
-            elseif mode == IO_MODE.DIGITAL_OUT then
-                self.has_do = true
-                table.insert(self.io_list.digital_out, port)
+                    self.db.io[bank][port] = io_f
+                elseif mode == IO_MODE.DIGITAL_OUT then
+                    self.has_do = true
+                    table.insert(self.io_map.digital_out, io_entry)
 
-                self.phy_io.digital_out[port] = { phy = IO_LVL.FLOATING, req = IO_LVL.FLOATING }
+                    self.phy_io.digital_out[bank][port] = { phy = IO_LVL.FLOATING, req = IO_LVL.FLOATING }
 
-                ---@class rs_db_dig_io
-                local io_f = {
-                    ---@nodiscard
-                    read = function () return rsio.digital_is_active(port, self.phy_io.digital_out[port].phy) end,
-                    ---@param active boolean
-                    write = function (active)
-                        local level = rsio.digital_write_active(port, active)
-                        if level ~= nil then self.phy_io.digital_out[port].req = level end
-                    end
-                }
-
-                self.db.io[port] = io_f
-            elseif mode == IO_MODE.ANALOG_IN then
-                self.has_ai = true
-                table.insert(self.io_list.analog_in, port)
-
-                self.phy_io.analog_in[port] = { phy = 0, req = 0 }
-
-                ---@class rs_db_ana_io
-                local io_f = {
-                    ---@nodiscard
-                    ---@return integer
-                    read = function () return self.phy_io.analog_in[port].phy end,
-                    write = function () end
-                }
-
-                self.db.io[port] = io_f
-            elseif mode == IO_MODE.ANALOG_OUT then
-                self.has_ao = true
-                table.insert(self.io_list.analog_out, port)
-
-                self.phy_io.analog_out[port] = { phy = 0, req = 0 }
-
-                ---@class rs_db_ana_io
-                local io_f = {
-                    ---@nodiscard
-                    ---@return integer
-                    read = function () return self.phy_io.analog_out[port].phy end,
-                    ---@param value integer
-                    write = function (value)
-                        if value >= 0 and value <= 15 then
-                            self.phy_io.analog_out[port].req = value
+                    ---@class rs_db_dig_io
+                    local io_f = {
+                        ---@nodiscard
+                        read = function () return rsio.digital_is_active(port, self.phy_io.digital_out[bank][port].phy) end,
+                        ---@param active boolean
+                        write = function (active)
+                            local level = rsio.digital_write_active(port, active)
+                            if level ~= nil then self.phy_io.digital_out[bank][port].req = level end
                         end
-                    end
-                }
+                    }
 
-                self.db.io[port] = io_f
+                    self.db.io[bank][port] = io_f
+                elseif mode == IO_MODE.ANALOG_IN then
+                    self.has_ai = true
+                    table.insert(self.io_map.analog_in, io_entry)
+
+                    self.phy_io.analog_in[bank][port] = { phy = 0, req = 0 }
+
+                    ---@class rs_db_ana_io
+                    local io_f = {
+                        ---@nodiscard
+                        ---@return integer
+                        read = function () return self.phy_io.analog_in[bank][port].phy end,
+                        write = function () end
+                    }
+
+                    self.db.io[bank][port] = io_f
+                elseif mode == IO_MODE.ANALOG_OUT then
+                    self.has_ao = true
+                    table.insert(self.io_map.analog_out, io_entry)
+
+                    self.phy_io.analog_out[bank][port] = { phy = 0, req = 0 }
+
+                    ---@class rs_db_ana_io
+                    local io_f = {
+                        ---@nodiscard
+                        ---@return integer
+                        read = function () return self.phy_io.analog_out[bank][port].phy end,
+                        ---@param value integer
+                        write = function (value)
+                            if value >= 0 and value <= 15 then
+                                self.phy_io.analog_out[bank][port].req = value
+                            end
+                        end
+                    }
+
+                    self.db.io[bank][port] = io_f
+                else
+                    -- should be unreachable code, we already validated ports
+                    log.error(util.c(log_tag, "failed to identify advertisement port IO mode (", bank, ":", port, ")"), true)
+                    return nil
+                end
             else
-                -- should be unreachable code, we already validated ports
-                log.error(util.c(log_tag, "failed to identify advertisement port IO mode (", port, ")"), true)
+                log.error(util.c(log_tag, "invalid advertisement port (", bank, ":", port, ")"), true)
                 return nil
             end
-        else
-            log.error(util.c(log_tag, "invalid advertisement port (", port, ")"), true)
-            return nil
         end
     end
 
@@ -197,12 +197,12 @@ function redstone.new(session_id, unit_id, advert, out_queue)
 
     -- query discrete inputs
     local function _request_discrete_inputs()
-        self.session.send_request(TXN_TYPES.DI_READ, MODBUS_FCODE.READ_DISCRETE_INPUTS, { 1, #self.io_list.digital_in })
+        self.session.send_request(TXN_TYPES.DI_READ, MODBUS_FCODE.READ_DISCRETE_INPUTS, { 1, #self.io_map.digital_in })
     end
 
     -- query input registers
     local function _request_input_registers()
-        self.session.send_request(TXN_TYPES.INPUT_REG_READ, MODBUS_FCODE.READ_INPUT_REGS, { 1, #self.io_list.analog_in })
+        self.session.send_request(TXN_TYPES.INPUT_REG_READ, MODBUS_FCODE.READ_INPUT_REGS, { 1, #self.io_map.analog_in })
     end
 
     -- write all coil outputs
@@ -210,9 +210,9 @@ function redstone.new(session_id, unit_id, advert, out_queue)
         local params = { 1 }
 
         local outputs = self.phy_io.digital_out
-        for i = 1, #self.io_list.digital_out do
-            local port = self.io_list.digital_out[i]
-            table.insert(params, outputs[port].req)
+        for i = 1, #self.io_map.digital_out do
+            local entry = self.io_map.digital_out[i]
+            table.insert(params, outputs[entry.bank][entry.port].req)
         end
 
         self.phy_trans.coils = self.session.send_request(TXN_TYPES.COIL_WRITE, MODBUS_FCODE.WRITE_MUL_COILS, params)
@@ -220,7 +220,7 @@ function redstone.new(session_id, unit_id, advert, out_queue)
 
     -- read all coil outputs
     local function _read_coils()
-        self.session.send_request(TXN_TYPES.COIL_READ, MODBUS_FCODE.READ_COILS, { 1, #self.io_list.digital_out })
+        self.session.send_request(TXN_TYPES.COIL_READ, MODBUS_FCODE.READ_COILS, { 1, #self.io_map.digital_out })
     end
 
     -- write all holding register outputs
@@ -228,9 +228,9 @@ function redstone.new(session_id, unit_id, advert, out_queue)
         local params = { 1 }
 
         local outputs = self.phy_io.analog_out
-        for i = 1, #self.io_list.analog_out do
-            local port = self.io_list.analog_out[i]
-            table.insert(params, outputs[port].req)
+        for i = 1, #self.io_map.analog_out do
+            local entry = self.io_map.analog_out[i]
+            table.insert(params, outputs[entry.bank][entry.port].req)
         end
 
         self.phy_trans.hold_regs = self.session.send_request(TXN_TYPES.HOLD_REG_WRITE, MODBUS_FCODE.WRITE_MUL_HOLD_REGS, params)
@@ -238,7 +238,7 @@ function redstone.new(session_id, unit_id, advert, out_queue)
 
     -- read all holding register outputs
     local function _read_holding_registers()
-        self.session.send_request(TXN_TYPES.HOLD_REG_READ, MODBUS_FCODE.READ_MUL_HOLD_REGS, { 1, #self.io_list.analog_out })
+        self.session.send_request(TXN_TYPES.HOLD_REG_READ, MODBUS_FCODE.READ_MUL_HOLD_REGS, { 1, #self.io_map.analog_out })
     end
 
     -- PUBLIC FUNCTIONS --
@@ -259,24 +259,24 @@ function redstone.new(session_id, unit_id, advert, out_queue)
             end
         elseif txn_type == TXN_TYPES.DI_READ then
             -- discrete input read response
-            if m_pkt.length == #self.io_list.digital_in then
+            if m_pkt.length == #self.io_map.digital_in then
                 for i = 1, m_pkt.length do
-                    local port = self.io_list.digital_in[i]
+                    local entry = self.io_map.digital_in[i]
                     local value = m_pkt.data[i]
 
-                    self.phy_io.digital_in[port].phy = value
+                    self.phy_io.digital_in[entry.bank][entry.port].phy = value
                 end
             else
                 log.debug(log_tag .. "MODBUS transaction reply length mismatch (" .. TXN_TAGS[txn_type] .. ")")
             end
         elseif txn_type == TXN_TYPES.INPUT_REG_READ then
             -- input register read response
-            if m_pkt.length == #self.io_list.analog_in then
+            if m_pkt.length == #self.io_map.analog_in then
                 for i = 1, m_pkt.length do
-                    local port = self.io_list.analog_in[i]
+                    local entry = self.io_map.analog_in[i]
                     local value = m_pkt.data[i]
 
-                    self.phy_io.analog_in[port].phy = value
+                    self.phy_io.analog_in[entry.bank][entry.port].phy = value
                 end
             else
                 log.debug(log_tag .. "MODBUS transaction reply length mismatch (" .. TXN_TAGS[txn_type] .. ")")
@@ -288,15 +288,14 @@ function redstone.new(session_id, unit_id, advert, out_queue)
             -- update phy I/O table
             -- if there are multiple outputs for the same port, they will overwrite eachother (but *should* be identical)
             -- given these are redstone outputs, if one worked they all should have, so no additional verification will be done
-            if m_pkt.length == #self.io_list.digital_out then
+            if m_pkt.length == #self.io_map.digital_out then
                 for i = 1, m_pkt.length do
-                    local port = self.io_list.digital_out[i]
+                    local entry = self.io_map.digital_out[i]
+                    local state = self.phy_io.digital_out[entry.bank][entry.port]
                     local value = m_pkt.data[i]
 
-                    self.phy_io.digital_out[port].phy = value
-                    if self.phy_io.digital_out[port].req == IO_LVL.FLOATING then
-                        self.phy_io.digital_out[port].req = value
-                    end
+                    state.phy = value
+                    if state.req == IO_LVL.FLOATING then state.req = value end
                 end
 
                 self.phy_trans.coils = TXN_READY
@@ -310,12 +309,12 @@ function redstone.new(session_id, unit_id, advert, out_queue)
             -- update phy I/O table
             -- if there are multiple outputs for the same port, they will overwrite eachother (but *should* be identical)
             -- given these are redstone outputs, if one worked they all should have, so no additional verification will be done
-            if m_pkt.length == #self.io_list.analog_out then
+            if m_pkt.length == #self.io_map.analog_out then
                 for i = 1, m_pkt.length do
-                    local port = self.io_list.analog_out[i]
+                    local entry = self.io_map.analog_out[i]
                     local value = m_pkt.data[i]
 
-                    self.phy_io.analog_out[port].phy = value
+                    self.phy_io.analog_out[entry.bank][entry.port].phy = value
                 end
             else
                 log.debug(log_tag .. "MODBUS transaction reply length mismatch (" .. TXN_TAGS[txn_type] .. ")")
@@ -343,8 +342,17 @@ function redstone.new(session_id, unit_id, advert, out_queue)
         -- sync digital outputs
         if self.has_do then
             if (self.periodics.next_cl_sync <= time_now) and (self.phy_trans.coils == TXN_READY) then
-                for _, entry in pairs(self.phy_io.digital_out) do
-                    if entry.phy ~= entry.req then
+                for bank = 0, 4 do
+                    local changed = false
+
+                    for _, entry in pairs(self.phy_io.digital_out[bank]) do
+                        if entry.phy ~= entry.req then
+                            changed = true
+                            break
+                        end
+                    end
+
+                    if changed then
                         _write_coils()
                         break
                     end
@@ -365,8 +373,17 @@ function redstone.new(session_id, unit_id, advert, out_queue)
         -- sync analog outputs
         if self.has_ao then
             if (self.periodics.next_hr_sync <= time_now) and (self.phy_trans.hold_regs == TXN_READY) then
-                for _, entry in pairs(self.phy_io.analog_out) do
-                    if entry.phy ~= entry.req then
+                for bank = 0, 4 do
+                    local changed = false
+
+                    for _, entry in pairs(self.phy_io.analog_out[bank]) do
+                        if entry.phy ~= entry.req then
+                            changed = true
+                            break
+                        end
+                    end
+
+                    if changed then
                         _write_holding_registers()
                         break
                     end
@@ -379,9 +396,10 @@ function redstone.new(session_id, unit_id, advert, out_queue)
         self.session.post_update()
     end
 
-    -- invalidate build cache
+    -- force a re-read of cached outputs
     function public.invalidate_cache()
-        -- no build cache for this device
+        _read_coils()
+        _read_holding_registers()
     end
 
     -- get the unit session database

supervisor/session/svsessions.lua

@@ -45,6 +45,7 @@ local self = {
     fp_ok = false,
     config = nil,           ---@type svr_config
     facility = nil,         ---@type facility|nil
+    plc_ini_reset = {},
     -- lists of connected sessions
 ---@diagnostic disable: missing-fields
     sessions = {
@@ -391,6 +392,7 @@ function svsessions.init(nic, fp_ok, config, facility)
             conns.tanks[1] = true
         end
 
+        self.plc_ini_reset[i] = true
         self.dev_dbg.connected.units[i] = conns
     end
 end
@@ -486,7 +488,7 @@ function svsessions.establish_plc_session(source_addr, i_seq_num, for_reactor, v
 
         local id = self.next_ids.plc
 
-        plc_s.instance = plc.new_session(id, source_addr, i_seq_num, for_reactor, plc_s.in_queue, plc_s.out_queue, self.config.PLC_Timeout, self.fp_ok)
+        plc_s.instance = plc.new_session(id, source_addr, i_seq_num, for_reactor, plc_s.in_queue, plc_s.out_queue, self.config.PLC_Timeout, self.plc_ini_reset, self.fp_ok)
         table.insert(self.sessions.plc, plc_s)
 
         local units = self.facility.get_units()

supervisor/startup.lua

@@ -10,6 +10,7 @@ local log        = require("scada-common.log")
 local network    = require("scada-common.network")
 local ppm        = require("scada-common.ppm")
 local tcd        = require("scada-common.tcd")
+local types      = require("scada-common.types")
 local util       = require("scada-common.util")
 
 local core       = require("graphics.core")
@@ -22,7 +23,7 @@ local supervisor = require("supervisor.supervisor")
 
 local svsessions = require("supervisor.session.svsessions")
 
-local SUPERVISOR_VERSION = "v1.6.2"
+local SUPERVISOR_VERSION = "v1.7.0"
 
 local println = util.println
 local println_ts = util.println_ts
@@ -72,6 +73,21 @@ if config.FacilityTankMode > 0 then
         cfv.assert_type_int(def)
         cfv.assert_range(def, 0, 2)
         assert(cfv.valid(), "startup> invalid facility tank definition for reactor unit " .. i)
+
+        local entry = config.FacilityTankList[i]
+        cfv.assert_type_int(entry)
+        cfv.assert_range(entry, 0, 2)
+        assert(cfv.valid(), "startup> invalid facility tank list entry for tank " .. i)
+
+        local conn = config.FacilityTankConns[i]
+        cfv.assert_type_int(conn)
+        cfv.assert_range(conn, 0, #config.FacilityTankDefs)
+        assert(cfv.valid(), "startup> invalid facility tank connection for reactor unit " .. i)
+
+        local type = config.TankFluidTypes[i]
+        cfv.assert_type_int(type)
+        cfv.assert_range(type, 0, types.COOLANT_TYPE.SODIUM)
+        assert(cfv.valid(), "startup> invalid tank fluid type for tank " .. i)
     end
 end
 
@@ -147,6 +163,9 @@ local function main()
     -- halve the rate heartbeat LED flash
     local heartbeat_toggle = true
 
+    -- init startup recovery
+    sv_facility.boot_recovery_init(supervisor.boot_state)
+
     -- event loop
     while true do
         local event, param1, param2, param3, param4, param5 = util.pull_event()
@@ -237,6 +256,8 @@ local function main()
         end
     end
 
+    sv_facility.clear_boot_state()
+
     renderer.close_ui()
 
     util.println_ts("exited")

supervisor/supervisor.lua

@@ -19,10 +19,24 @@ local config = {}
 
 supervisor.config = config
 
--- load the supervisor configuration
+-- control state from last unexpected shutdown
+supervisor.boot_state = nil ---@type sv_boot_state|nil
+
+-- load the supervisor configuration and startup state
 function supervisor.load_config()
     if not settings.load("/supervisor.settings") then return false end
 
+    ---@class sv_boot_state
+    local boot_state = {
+        mode = settings.get("LastProcessState"),     ---@type PROCESS
+        unit_states = settings.get("LastUnitStates") ---@type boolean[]
+    }
+
+    -- only record boot state if likely valid
+    if type(boot_state.mode) == "number" and type(boot_state.unit_states) == "table" then
+        supervisor.boot_state = boot_state
+    end
+
     config.UnitCount = settings.get("UnitCount")
     config.CoolingConfig = settings.get("CoolingConfig")
     config.FacilityTankMode = settings.get("FacilityTankMode")
@@ -30,6 +44,7 @@ function supervisor.load_config()
     config.FacilityTankList = settings.get("FacilityTankList")
     config.FacilityTankConns = settings.get("FacilityTankConns")
     config.TankFluidTypes = settings.get("TankFluidTypes")
+    config.AuxiliaryCoolant = settings.get("AuxiliaryCoolant")
     config.ExtChargeIdling = settings.get("ExtChargeIdling")
 
     config.SVR_Channel = settings.get("SVR_Channel")
@@ -64,6 +79,7 @@ function supervisor.load_config()
     cfv.assert_type_table(config.FacilityTankList)
     cfv.assert_type_table(config.FacilityTankConns)
     cfv.assert_type_table(config.TankFluidTypes)
+    cfv.assert_type_table(config.AuxiliaryCoolant)
     cfv.assert_range(config.FacilityTankMode, 0, 8)
 
     cfv.assert_type_bool(config.ExtChargeIdling)
@@ -246,20 +262,32 @@ function supervisor.comms(_version, nic, fp_ok, facility)
                             -- PLC linking request
                             if packet.length == 4 and type(packet.data[4]) == "number" then
                                 local reactor_id = packet.data[4]
-                                local plc_id = svsessions.establish_plc_session(src_addr, i_seq_num, reactor_id, firmware_v)
 
-                                if plc_id == false then
-                                    -- reactor already has a PLC assigned
-                                    if last_ack ~= ESTABLISH_ACK.COLLISION then
-                                        log.warning(util.c("PLC_ESTABLISH: assignment collision with reactor ", reactor_id))
+                                -- check ID validity
+                                if reactor_id < 1 or reactor_id > config.UnitCount then
+                                    -- reactor index out of range
+                                    if last_ack ~= ESTABLISH_ACK.DENY then
+                                        log.warning(util.c("PLC_ESTABLISH: denied assignment ", reactor_id, " outside of configured unit count ", config.UnitCount))
                                     end
 
-                                    _send_establish(packet.scada_frame, ESTABLISH_ACK.COLLISION)
+                                    _send_establish(packet.scada_frame, ESTABLISH_ACK.DENY)
                                 else
-                                    -- got an ID; assigned to a reactor successfully
-                                    println(util.c("PLC (", firmware_v, ") [@", src_addr, "] \xbb reactor ", reactor_id, " connected"))
-                                    log.info(util.c("PLC_ESTABLISH: PLC (", firmware_v, ") [@", src_addr, "] reactor unit ", reactor_id, " PLC connected with session ID ", plc_id))
-                                    _send_establish(packet.scada_frame, ESTABLISH_ACK.ALLOW)
+                                    -- try to establish the session
+                                    local plc_id = svsessions.establish_plc_session(src_addr, i_seq_num, reactor_id, firmware_v)
+
+                                    if plc_id == false then
+                                        -- reactor already has a PLC assigned
+                                        if last_ack ~= ESTABLISH_ACK.COLLISION then
+                                            log.warning(util.c("PLC_ESTABLISH: assignment collision with reactor ", reactor_id))
+                                        end
+
+                                        _send_establish(packet.scada_frame, ESTABLISH_ACK.COLLISION)
+                                    else
+                                        -- got an ID; assigned to a reactor successfully
+                                        println(util.c("PLC (", firmware_v, ") [@", src_addr, "] \xbb reactor ", reactor_id, " connected"))
+                                        log.info(util.c("PLC_ESTABLISH: PLC (", firmware_v, ") [@", src_addr, "] reactor unit ", reactor_id, " PLC connected with session ID ", plc_id))
+                                        _send_establish(packet.scada_frame, ESTABLISH_ACK.ALLOW)
+                                    end
                                 end
                             else
                                 log.debug("PLC_ESTABLISH: packet length mismatch/bad parameter type")

supervisor/unit.lua

@@ -3,20 +3,23 @@ local rsio       = require("scada-common.rsio")
 local types      = require("scada-common.types")
 local util       = require("scada-common.util")
 
-local logic      = require("supervisor.unitlogic")
+local alarm_ctl  = require("supervisor.alarm_ctl")
+local unit_logic = require("supervisor.unit_logic")
 
 local plc        = require("supervisor.session.plc")
 local rsctl      = require("supervisor.session.rsctl")
 local svsessions = require("supervisor.session.svsessions")
 
-local WASTE_MODE    = types.WASTE_MODE
-local WASTE         = types.WASTE_PRODUCT
+local AISTATE       = alarm_ctl.AISTATE
+
 local ALARM         = types.ALARM
-local PRIO          = types.ALARM_PRIORITY
 local ALARM_STATE   = types.ALARM_STATE
-local TRI_FAIL      = types.TRI_FAIL
+local PRIO          = types.ALARM_PRIORITY
 local RTU_ID_FAIL   = types.RTU_ID_FAIL
 local RTU_UNIT_TYPE = types.RTU_UNIT_TYPE
+local TRI_FAIL      = types.TRI_FAIL
+local WASTE_MODE    = types.WASTE_MODE
+local WASTE         = types.WASTE_PRODUCT
 
 local PLC_S_CMDS = plc.PLC_S_CMDS
 
@@ -37,23 +40,6 @@ local DT_KEYS = {
     TurbinePower = "TPR"
 }
 
----@enum ALARM_INT_STATE
-local AISTATE = {
-    INACTIVE = 1,
-    TRIPPING = 2,
-    TRIPPED = 3,
-    ACKED = 4,
-    RING_BACK = 5,
-    RING_BACK_TRIPPING = 6
-}
-
----@class alarm_def
----@field state ALARM_INT_STATE internal alarm state
----@field trip_time integer time (ms) when first tripped
----@field hold_time integer time (s) to hold before tripping
----@field id ALARM alarm ID
----@field tier integer alarm urgency tier (0 = highest)
-
 -- burn rate to idle at
 local IDLE_RATE = 0.01
 
@@ -66,7 +52,8 @@ local unit = {}
 ---@param num_boilers integer number of boilers expected
 ---@param num_turbines integer number of turbines expected
 ---@param ext_idle boolean extended idling mode
-function unit.new(reactor_id, num_boilers, num_turbines, ext_idle)
+---@param aux_coolant boolean if this unit has auxiliary coolant
+function unit.new(reactor_id, num_boilers, num_turbines, ext_idle, aux_coolant)
     -- time (ms) to idle for auto idling
     local IDLE_TIME = util.trinary(ext_idle, 60000, 10000)
 
@@ -79,7 +66,8 @@ function unit.new(reactor_id, num_boilers, num_turbines, ext_idle)
         plc_i = nil,    ---@type plc_session
         num_boilers = num_boilers,
         num_turbines = num_turbines,
-        types = { DT_KEYS = DT_KEYS, AISTATE = AISTATE },
+        aux_coolant = aux_coolant,
+        types = { DT_KEYS = DT_KEYS },
         -- rtus
         rtu_list = {},  ---@type unit_session[][]
         redstone = {},  ---@type redstone_session[]
@@ -92,7 +80,8 @@ function unit.new(reactor_id, num_boilers, num_turbines, ext_idle)
         io_ctl = nil,   ---@type rs_controller
 ---@diagnostic disable-next-line: missing-fields
         valves = {},    ---@type unit_valves
-        emcool_opened = false,
+        em_cool_opened = false,
+        aux_cool_opened = false,
         -- auto control
         auto_engaged = false,
         auto_idle = false,
@@ -111,6 +100,7 @@ function unit.new(reactor_id, num_boilers, num_turbines, ext_idle)
         damage_est_last = 0,
         waste_product = WASTE.PLUTONIUM, ---@type WASTE_PRODUCT
         status_text = { "UNKNOWN", "awaiting connection..." },
+        enable_aux_cool = false,
         -- logic for alarms
         had_reactor = false,
         turbine_flow_stable = false,
@@ -254,7 +244,7 @@ function unit.new(reactor_id, num_boilers, num_turbines, ext_idle)
     self.rtu_list = { self.redstone, self.boilers, self.turbines, self.tanks, self.snas, self.envd }
 
     -- init redstone RTU I/O controller
-    self.io_ctl = rsctl.new(self.redstone)
+    self.io_ctl = rsctl.new(self.redstone, reactor_id)
 
     -- init boiler table fields
     for _ = 1, num_boilers do
@@ -373,6 +363,7 @@ function unit.new(reactor_id, num_boilers, num_turbines, ext_idle)
     local waste_po  = _make_valve_iface(IO.WASTE_POPL)
     local waste_sps = _make_valve_iface(IO.WASTE_AM)
     local emer_cool = _make_valve_iface(IO.U_EMER_COOL)
+    local aux_cool  = _make_valve_iface(IO.U_AUX_COOL)
 
     ---@class unit_valves
     self.valves = {
@@ -380,7 +371,8 @@ function unit.new(reactor_id, num_boilers, num_turbines, ext_idle)
         waste_sna = waste_sna,
         waste_po = waste_po,
         waste_sps = waste_sps,
-        emer_cool = emer_cool
+        emer_cool = emer_cool,
+        aux_cool = aux_cool
     }
 
     -- route reactor waste for a given waste product
@@ -591,22 +583,22 @@ function unit.new(reactor_id, num_boilers, num_turbines, ext_idle)
         _dt__compute_all()
 
         -- update annunciator logic
-        logic.update_annunciator(self)
+        unit_logic.update_annunciator(self)
 
         -- update alarm status
-        logic.update_alarms(self)
+        unit_logic.update_alarms(self)
 
         -- if in auto mode, SCRAM on certain alarms
-        logic.update_auto_safety(public, self)
+        unit_logic.update_auto_safety(self, public)
 
         -- update status text
-        logic.update_status_text(self)
+        unit_logic.update_status_text(self)
 
         -- handle redstone I/O
         if #self.redstone > 0 then
-            logic.handle_redstone(self)
+            unit_logic.handle_redstone(self)
         elseif not self.plc_cache.rps_trip then
-            self.emcool_opened = false
+            self.em_cool_opened = false
         end
     end
 
@@ -724,7 +716,7 @@ function unit.new(reactor_id, num_boilers, num_turbines, ext_idle)
 
     -- queue a command to clear timeout/auto-scram if set
     function public.auto_cond_rps_reset()
-        if self.plc_s ~= nil and self.plc_i ~= nil and (not self.auto_was_alarmed) and (not self.emcool_opened) then
+        if self.plc_s ~= nil and self.plc_i ~= nil and (not self.auto_was_alarmed) and (not self.em_cool_opened) then
             local rps = self.plc_i.get_rps()
             if rps.timeout or rps.automatic then
                 self.plc_i.auto_lock(true)  -- if it timed out/restarted, auto lock was lost, so re-lock it
@@ -769,10 +761,8 @@ function unit.new(reactor_id, num_boilers, num_turbines, ext_idle)
 
     -- acknowledge all alarms (if possible)
     function public.ack_all()
-        for i = 1, #self.db.alarm_states do
-            if self.db.alarm_states[i] == ALARM_STATE.TRIPPED then
-                self.db.alarm_states[i] = ALARM_STATE.ACKED
-            end
+        for id, state in pairs(self.db.alarm_states) do
+            if state == ALARM_STATE.TRIPPED then self.db.alarm_states[id] = ALARM_STATE.ACKED end
         end
     end
 
@@ -840,6 +830,12 @@ function unit.new(reactor_id, num_boilers, num_turbines, ext_idle)
         return false
     end
 
+    -- check the active state of the reactor (if connected)
+    ---@nodiscard
+    function public.is_reactor_enabled()
+        if self.plc_i ~= nil then return self.plc_i.get_status().status else return false end
+    end
+
     -- check if the reactor is connected, is stopped, the RPS is not tripped, and no alarms are active
     ---@nodiscard
     function public.is_safe_idle()
@@ -859,7 +855,7 @@ function unit.new(reactor_id, num_boilers, num_turbines, ext_idle)
 
     -- check if emergency coolant activation has been tripped
     ---@nodiscard
-    function public.is_emer_cool_tripped() return self.emcool_opened end
+    function public.is_emer_cool_tripped() return self.em_cool_opened end
 
     -- get build properties of machines
     --
@@ -1053,7 +1049,8 @@ function unit.new(reactor_id, num_boilers, num_turbines, ext_idle)
             v.waste_sna.check(),
             v.waste_po.check(),
             v.waste_sps.check(),
-            v.emer_cool.check()
+            v.emer_cool.check(),
+            v.aux_cool.check()
         }
     end
 

supervisor/unit_logic.lua

@@ -1,12 +1,16 @@
-local const  = require("scada-common.constants")
-local log    = require("scada-common.log")
-local rsio   = require("scada-common.rsio")
-local types  = require("scada-common.types")
-local util   = require("scada-common.util")
+local const     = require("scada-common.constants")
+local log       = require("scada-common.log")
+local rsio      = require("scada-common.rsio")
+local types     = require("scada-common.types")
+local util      = require("scada-common.util")
 
-local plc    = require("supervisor.session.plc")
+local alarm_ctl = require("supervisor.alarm_ctl")
 
-local qtypes = require("supervisor.session.rtu.qtypes")
+local plc       = require("supervisor.session.plc")
+
+local qtypes    = require("supervisor.session.rtu.qtypes")
+
+local AISTATE        = alarm_ctl.AISTATE
 
 local RPS_TRIP_CAUSE = types.RPS_TRIP_CAUSE
 local TRI_FAIL       = types.TRI_FAIL
@@ -22,19 +26,10 @@ local IO = rsio.IO
 
 local PLC_S_CMDS = plc.PLC_S_CMDS
 
-local AISTATE_NAMES = {
-    "INACTIVE",
-    "TRIPPING",
-    "TRIPPED",
-    "ACKED",
-    "RING_BACK",
-    "RING_BACK_TRIPPING"
-}
-
+local ANNUNC_LIMS             = const.ANNUNCIATOR_LIMITS
+local ALARM_LIMS              = const.ALARM_LIMITS
 local FLOW_STABILITY_DELAY_MS = const.FLOW_STABILITY_DELAY_MS
-
-local ANNUNC_LIMS = const.ANNUNCIATOR_LIMITS
-local ALARM_LIMS = const.ALARM_LIMITS
+local RS_THRESH               = const.RS_THRESHOLDS
 
 ---@class unit_logic_extension
 local logic = {}
@@ -54,6 +49,10 @@ function logic.update_annunciator(self)
     -- variables for boiler, or reactor if no boilers used
     local total_boil_rate = 0.0
 
+    -- auxiliary coolant control
+    local need_aux_cool = false
+    local dis_aux_cool = true
+
     --#region Reactor
 
     annunc.AutoControl = self.auto_engaged
@@ -67,11 +66,10 @@ function logic.update_annunciator(self)
         local plc_db = self.plc_i.get_db()
 
         -- update ready state
-        --  - can't be tripped
-        --  - must have received status at least once
-        --  - must have received struct at least once
-        plc_ready = plc_db.formed and (not plc_db.no_reactor) and (not plc_db.rps_tripped) and
-                    (next(self.plc_i.get_status()) ~= nil) and (next(self.plc_i.get_struct()) ~= nil)
+        --  - must be connected to a formed reactor
+        --  - can't have a tripped RPS
+        --  - must have received status, struct, and RPS status at least once
+        plc_ready = plc_db.formed and (not plc_db.no_reactor) and (not plc_db.rps_tripped) and self.plc_i.check_received_all_data()
 
         -- update auto control limit
         if (plc_db.mek_struct.max_burn > 0) and ((self.db.control.lim_br100 / 100) > plc_db.mek_struct.max_burn) then
@@ -149,6 +147,9 @@ function logic.update_annunciator(self)
         -- if no boilers, use reactor heating rate to check for boil rate mismatch
         if num_boilers == 0 then
             total_boil_rate = plc_db.mek_status.heating_rate
+
+            need_aux_cool = plc_db.mek_status.ccool_fill <= RS_THRESH.AUX_COOL_ENABLE
+            dis_aux_cool = plc_db.mek_status.ccool_fill >= RS_THRESH.AUX_COOL_DISABLE
         end
     else
         self.plc_cache.ok = false
@@ -172,12 +173,8 @@ function logic.update_annunciator(self)
 
     annunc.EmergencyCoolant = 1
 
-    for i = 1, #self.redstone do
-        local io = self.redstone[i].get_db().io[IO.U_EMER_COOL]
-        if io ~= nil then
-            annunc.EmergencyCoolant = util.trinary(io.read(), 3, 2)
-            break
-        end
+    if self.io_ctl.is_connected(IO.U_EMER_COOL) then
+        annunc.EmergencyCoolant = util.trinary(self.io_ctl.digital_read(IO.U_EMER_COOL), 3, 2)
     end
 
     --#endregion
@@ -216,6 +213,9 @@ function logic.update_annunciator(self)
 
             annunc.BoilerOnline[idx] = true
             annunc.WaterLevelLow[idx] = boiler.tanks.water_fill < ANNUNC_LIMS.WaterLevelLow
+
+            need_aux_cool = need_aux_cool or (boiler.tanks.water_fill <= RS_THRESH.AUX_COOL_ENABLE)
+            dis_aux_cool = dis_aux_cool and (boiler.tanks.water_fill >= RS_THRESH.AUX_COOL_DISABLE)
         end
 
         -- check heating rate low
@@ -342,11 +342,11 @@ function logic.update_annunciator(self)
             end
 
             if rotation_stable then
-                log.debug(util.c("UNIT ", self.r_id, ": turbine ", idx, " reached rotational stability (", rotation, ")"))
+                log.debug(util.c("UNIT ", self.r_id, " turbine ", idx, " reached rotational stability (", rotation, ")"))
             end
 
             if flow_stable then
-                log.debug(util.c("UNIT ", self.r_id, ": turbine ", idx, " reached flow stability (", turbine.state.flow_rate, " mB/t)"))
+                log.debug(util.c("UNIT ", self.r_id, " turbine ", idx, " reached flow stability (", turbine.state.flow_rate, " mB/t)"))
             end
 
             turbines_stable = turbines_stable and (rotation_stable or flow_stable)
@@ -358,7 +358,7 @@ function logic.update_annunciator(self)
 
             turbines_stable = false
 
-            log.debug(util.c("UNIT ", self.r_id, ": turbine ", idx, " reset stability (new rate ", turbine.state.steam_input_rate, " != ", last.input_rate," mB/t)"))
+            log.debug(util.c("UNIT ", self.r_id, " turbine ", idx, " reset stability (new rate ", turbine.state.steam_input_rate, " != ", last.input_rate," mB/t)"))
         end
 
         last.input_rate = turbine.state.steam_input_rate
@@ -407,100 +407,25 @@ function logic.update_annunciator(self)
 
     -- update auto control ready state for this unit
     self.db.control.ready = plc_ready and boilers_ready and turbines_ready
+
+    -- update auxiliary coolant command
+    if plc_ready then
+        self.enable_aux_cool = self.plc_i.get_db().mek_status.status and
+                              (self.enable_aux_cool or need_aux_cool) and not (dis_aux_cool and self.turbine_flow_stable)
+    else self.enable_aux_cool = false end
 end
 
 -- update an alarm state given conditions
----@param self _unit_self unit instance
+---@param self _unit_self
 ---@param tripped boolean if the alarm condition is still active
 ---@param alarm alarm_def alarm table
 ---@return boolean new_trip if the alarm just changed to being tripped
 local function _update_alarm_state(self, tripped, alarm)
-    local AISTATE = self.types.AISTATE
-    local int_state = alarm.state
-    local ext_state = self.db.alarm_states[alarm.id]
-
-    -- alarm inactive
-    if int_state == AISTATE.INACTIVE then
-        if tripped then
-            alarm.trip_time = util.time_ms()
-            if alarm.hold_time > 0 then
-                alarm.state = AISTATE.TRIPPING
-                self.db.alarm_states[alarm.id] = ALARM_STATE.INACTIVE
-            else
-                alarm.state = AISTATE.TRIPPED
-                self.db.alarm_states[alarm.id] = ALARM_STATE.TRIPPED
-                log.info(util.c("UNIT ", self.r_id, " ALARM ", alarm.id, " (", types.ALARM_NAMES[alarm.id], "): TRIPPED [PRIORITY ",
-                    types.ALARM_PRIORITY_NAMES[alarm.tier],"]"))
-            end
-        else
-            alarm.trip_time = util.time_ms()
-            self.db.alarm_states[alarm.id] = ALARM_STATE.INACTIVE
-        end
-    -- alarm condition met, but not yet for required hold time
-    elseif (int_state == AISTATE.TRIPPING) or (int_state == AISTATE.RING_BACK_TRIPPING) then
-        if tripped then
-            local elapsed = util.time_ms() - alarm.trip_time
-            if elapsed > (alarm.hold_time * 1000) then
-                alarm.state = AISTATE.TRIPPED
-                self.db.alarm_states[alarm.id] = ALARM_STATE.TRIPPED
-                log.info(util.c("UNIT ", self.r_id, " ALARM ", alarm.id, " (", types.ALARM_NAMES[alarm.id], "): TRIPPED [PRIORITY ",
-                    types.ALARM_PRIORITY_NAMES[alarm.tier],"]"))
-            end
-        elseif int_state == AISTATE.RING_BACK_TRIPPING then
-            alarm.trip_time = 0
-            alarm.state = AISTATE.RING_BACK
-            self.db.alarm_states[alarm.id] = ALARM_STATE.RING_BACK
-        else
-            alarm.trip_time = 0
-            alarm.state = AISTATE.INACTIVE
-            self.db.alarm_states[alarm.id] = ALARM_STATE.INACTIVE
-        end
-    -- alarm tripped and alarming
-    elseif int_state == AISTATE.TRIPPED then
-        if tripped then
-            if ext_state == ALARM_STATE.ACKED then
-                -- was acked by coordinator
-                alarm.state = AISTATE.ACKED
-            end
-        else
-            alarm.state = AISTATE.RING_BACK
-            self.db.alarm_states[alarm.id] = ALARM_STATE.RING_BACK
-        end
-    -- alarm acknowledged but still tripped
-    elseif int_state == AISTATE.ACKED then
-        if not tripped then
-            alarm.state = AISTATE.RING_BACK
-            self.db.alarm_states[alarm.id] = ALARM_STATE.RING_BACK
-        end
-    -- alarm no longer tripped, operator must reset to clear
-    elseif int_state == AISTATE.RING_BACK then
-        if tripped then
-            alarm.trip_time = util.time_ms()
-            if alarm.hold_time > 0 then
-                alarm.state = AISTATE.RING_BACK_TRIPPING
-            else
-                alarm.state = AISTATE.TRIPPED
-                self.db.alarm_states[alarm.id] = ALARM_STATE.TRIPPED
-            end
-        elseif ext_state == ALARM_STATE.INACTIVE then
-            -- was reset by coordinator
-            alarm.state = AISTATE.INACTIVE
-            alarm.trip_time = 0
-        end
-    else
-        log.error(util.c("invalid alarm state for unit ", self.r_id, " alarm ", alarm.id), true)
-    end
-
-    -- check for state change
-    if alarm.state ~= int_state then
-        local change_str = util.c(AISTATE_NAMES[int_state], " -> ", AISTATE_NAMES[alarm.state])
-        log.debug(util.c("UNIT ", self.r_id, " ALARM ", alarm.id, " (", types.ALARM_NAMES[alarm.id], "): ", change_str))
-        return alarm.state == AISTATE.TRIPPED
-    else return false end
+    return alarm_ctl.update_alarm_state("UNIT " .. self.r_id, self.db.alarm_states, tripped, alarm)
 end
 
 -- evaluate alarm conditions
----@param self _unit_self unit instance
+---@param self _unit_self
 function logic.update_alarms(self)
     local annunc = self.db.annunciator
     local plc_cache = self.plc_cache
@@ -613,11 +538,9 @@ function logic.update_alarms(self)
 end
 
 -- update the internal automatic safety control performed while in auto control mode
+---@param self _unit_self
 ---@param public reactor_unit reactor unit public functions
----@param self _unit_self unit instance
-function logic.update_auto_safety(public, self)
-    local AISTATE = self.types.AISTATE
-
+function logic.update_auto_safety(self, public)
     if self.auto_engaged then
         local alarmed = false
 
@@ -644,9 +567,8 @@ function logic.update_auto_safety(public, self)
 end
 
 -- update the two unit status text messages
----@param self _unit_self unit instance
+---@param self _unit_self
 function logic.update_status_text(self)
-    local AISTATE = self.types.AISTATE
     local annunc = self.db.annunciator
 
     -- check if an alarm is active (tripped or ack'd)
@@ -729,7 +651,7 @@ function logic.update_status_text(self)
         self.status_text = { "RCS TRANSIENT", "check coolant system" }
     -- elseif is_active(self.alarms.RPSTransient) then
         -- RPS status handled when checking reactor status
-    elseif self.emcool_opened then
+    elseif self.em_cool_opened then
         self.status_text = { "EMERGENCY COOLANT OPENED", "reset RPS to close valve" }
     -- connection dependent states
     elseif self.plc_i ~= nil then
@@ -808,9 +730,8 @@ function logic.update_status_text(self)
 end
 
 -- handle unit redstone I/O
----@param self _unit_self unit instance
+---@param self _unit_self
 function logic.handle_redstone(self)
-    local AISTATE = self.types.AISTATE
     local annunc = self.db.annunciator
     local cache = self.plc_cache
     local rps = cache.rps_status
@@ -887,10 +808,10 @@ function logic.handle_redstone(self)
         (annunc.CoolantLevelLow or (boiler_water_low and rps.ex_hcool)) and
         is_active(self.alarms.ReactorOverTemp))
 
-    if enable_emer_cool and not self.emcool_opened then
+    if enable_emer_cool and not self.em_cool_opened then
         log.debug(util.c(">> Emergency Coolant Enable Detail Report (Unit ", self.r_id, ") <<"))
         log.debug(util.c("| CoolantLevelLow[", annunc.CoolantLevelLow, "] CoolantLevelLowLow[", rps.low_cool, "] ExcessHeatedCoolant[", rps.ex_hcool, "]"))
-        log.debug(util.c("| ReactorOverTemp[", AISTATE_NAMES[self.alarms.ReactorOverTemp.state], "]"))
+        log.debug(util.c("| ReactorOverTemp[", alarm_ctl.AISTATE_NAMES[self.alarms.ReactorOverTemp.state], "]"))
 
         for i = 1, #annunc.WaterLevelLow do
             log.debug(util.c("| WaterLevelLow(", i, ")[", annunc.WaterLevelLow[i], "]"))
@@ -911,13 +832,13 @@ function logic.handle_redstone(self)
             end
         end
 
-        if annunc.EmergencyCoolant > 1 and self.emcool_opened then
+        if annunc.EmergencyCoolant > 1 and self.em_cool_opened then
             log.info(util.c("UNIT ", self.r_id, " emergency coolant valve closed"))
             log.info(util.c("UNIT ", self.r_id, " turbines set to not dump steam"))
         end
 
-        self.emcool_opened = false
-    elseif enable_emer_cool or self.emcool_opened then
+        self.em_cool_opened = false
+    elseif enable_emer_cool or self.em_cool_opened then
         -- set turbines to dump excess steam
         for i = 1, #self.turbines do
             local session = self.turbines[i]
@@ -938,16 +859,33 @@ function logic.handle_redstone(self)
             end
         end
 
-        if annunc.EmergencyCoolant > 1 and not self.emcool_opened then
+        if annunc.EmergencyCoolant > 1 and not self.em_cool_opened then
             log.info(util.c("UNIT ", self.r_id, " emergency coolant valve opened"))
             log.info(util.c("UNIT ", self.r_id, " turbines set to dump excess steam"))
         end
 
-        self.emcool_opened = true
+        self.em_cool_opened = true
     end
 
     -- set valve state always
-    if self.emcool_opened then self.valves.emer_cool.open() else self.valves.emer_cool.close() end
+    if self.em_cool_opened then self.valves.emer_cool.open() else self.valves.emer_cool.close() end
+
+    -----------------------
+    -- Auxiliary Coolant --
+    -----------------------
+
+    if self.aux_coolant then
+        if self.enable_aux_cool and (not self.aux_cool_opened) then
+            log.info(util.c("UNIT ", self.r_id, " auxiliary coolant valve opened"))
+            self.aux_cool_opened = true
+        elseif (not self.enable_aux_cool) and self.aux_cool_opened then
+            log.info(util.c("UNIT ", self.r_id, " auxiliary coolant valve closed"))
+            self.aux_cool_opened = false
+        end
+
+        -- set valve state always
+        if self.aux_cool_opened then self.valves.aux_cool.open() else self.valves.aux_cool.close() end
+    end
 end
 
 return logic