#229 element PSIL register/deletion, changes for RTU to use new PSIL register

rtu/databus.lua

@@ -7,9 +7,8 @@ local util = require("scada-common.util")
 
 local databus = {}
 
-local dbus_iface = {
-    ps = psil.create()
-}
+-- databus PSIL
+databus.ps = psil.create()
 
 ---@enum RTU_UNIT_HW_STATE
 local RTU_UNIT_HW_STATE = {
@@ -22,54 +21,54 @@ local RTU_UNIT_HW_STATE = {
 databus.RTU_UNIT_HW_STATE = RTU_UNIT_HW_STATE
 
 -- call to toggle heartbeat signal
-function databus.heartbeat() dbus_iface.ps.toggle("heartbeat") end
+function databus.heartbeat() databus.ps.toggle("heartbeat") end
 
 -- transmit firmware versions across the bus
 ---@param rtu_v string RTU version
 ---@param comms_v string comms version
 function databus.tx_versions(rtu_v, comms_v)
-    dbus_iface.ps.publish("version", rtu_v)
-    dbus_iface.ps.publish("comms_version", comms_v)
+    databus.ps.publish("version", rtu_v)
+    databus.ps.publish("comms_version", comms_v)
 end
 
 -- transmit hardware status for modem connection state
 ---@param has_modem boolean
 function databus.tx_hw_modem(has_modem)
-    dbus_iface.ps.publish("has_modem", has_modem)
+    databus.ps.publish("has_modem", has_modem)
 end
 
 -- transmit unit hardware type across the bus
 ---@param uid integer unit ID
 ---@param type RTU_UNIT_TYPE
 function databus.tx_unit_hw_type(uid, type)
-    dbus_iface.ps.publish("unit_type_" .. uid, type)
+    databus.ps.publish("unit_type_" .. uid, type)
 end
 
 -- transmit unit hardware status across the bus
 ---@param uid integer unit ID
 ---@param status RTU_UNIT_HW_STATE
 function databus.tx_unit_hw_status(uid, status)
-    dbus_iface.ps.publish("unit_hw_" .. uid, status)
+    databus.ps.publish("unit_hw_" .. uid, status)
 end
 
 -- transmit thread (routine) statuses
 ---@param thread string thread name
 ---@param ok boolean thread state
 function databus.tx_rt_status(thread, ok)
-    dbus_iface.ps.publish(util.c("routine__", thread), ok)
+    databus.ps.publish(util.c("routine__", thread), ok)
 end
 
 -- transmit supervisor link state across the bus
 ---@param state integer
 function databus.tx_link_state(state)
-    dbus_iface.ps.publish("link_state", state)
+    databus.ps.publish("link_state", state)
 end
 
 -- link a function to receive data from the bus
 ---@param field string field name
 ---@param func function function to link
 function databus.rx_field(field, func)
-    dbus_iface.ps.subscribe(field, func)
+    databus.ps.subscribe(field, func)
 end
 
 return databus

rtu/panel/front_panel.lua

@@ -49,22 +49,22 @@ local function init(panel, units)
     on.update(true)
     system.line_break()
 
-    databus.rx_field("heartbeat", heartbeat.update)
+    heartbeat.register(databus.ps, "heartbeat", heartbeat.update)
 
     local modem = LED{parent=system,label="MODEM",colors=cpair(colors.green,colors.green_off)}
     local network = RGBLED{parent=system,label="NETWORK",colors={colors.green,colors.red,colors.orange,colors.yellow,colors.gray}}
     network.update(5)
     system.line_break()
 
-    databus.rx_field("has_modem", modem.update)
-    databus.rx_field("link_state", network.update)
+    modem.register(databus.ps, "has_modem", modem.update)
+    network.register(databus.ps, "link_state", network.update)
 
     local rt_main = LED{parent=system,label="RT MAIN",colors=cpair(colors.green,colors.green_off)}
     local rt_comm = LED{parent=system,label="RT COMMS",colors=cpair(colors.green,colors.green_off)}
     system.line_break()
 
-    databus.rx_field("routine__main", rt_main.update)
-    databus.rx_field("routine__comms", rt_comm.update)
+    rt_main.register(databus.ps, "routine__main", rt_main.update)
+    rt_comm.register(databus.ps, "routine__comms", rt_comm.update)
 
     --
     -- about label
@@ -74,8 +74,8 @@ local function init(panel, units)
     local fw_v    = TextBox{parent=about,x=1,y=1,text="FW: v00.00.00",alignment=TEXT_ALIGN.LEFT,height=1}
     local comms_v = TextBox{parent=about,x=1,y=2,text="NT: v00.00.00",alignment=TEXT_ALIGN.LEFT,height=1}
 
-    databus.rx_field("version", function (version) fw_v.set_value(util.c("FW: ", version)) end)
-    databus.rx_field("comms_version", function (version) comms_v.set_value(util.c("NT: v", version)) end)
+    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)
 
     --
     -- unit status list
@@ -90,7 +90,7 @@ local function init(panel, units)
     for i = 1, list_length do
         TextBox{parent=threads,x=1,y=i,text=util.sprintf("%02d",i),height=1}
         local rt_unit = LED{parent=threads,x=4,y=i,label="RT",colors=cpair(colors.green,colors.green_off)}
-        databus.rx_field("routine__unit_" .. i, rt_unit.update)
+        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}
@@ -102,13 +102,13 @@ local function init(panel, units)
         -- hardware status
         local unit_hw = RGBLED{parent=unit_hw_statuses,y=i,label="",colors={colors.red,colors.orange,colors.yellow,colors.green}}
 
-        databus.rx_field("unit_hw_" .. i, unit_hw.update)
+        unit_hw.register(databus.ps, "unit_hw_" .. i, unit_hw.update)
 
         -- unit name identifier (type + index)
         local name = util.c(UNIT_TYPE_LABELS[unit.type + 1], " ", unit.index)
         local name_box = TextBox{parent=unit_hw_statuses,y=i,x=3,text=name,height=1}
 
-        databus.rx_field("unit_type_" .. i, function (t)
+        name_box.register(databus.ps, "unit_type_" .. i, function (t)
             name_box.set_value(util.c(UNIT_TYPE_LABELS[t + 1], " ", unit.index))
         end)
 

rtu/renderer.lua

@@ -45,10 +45,8 @@ function renderer.close_ui()
         -- stop blinking indicators
         flasher.clear()
 
-        -- hide to stop animation callbacks
-        ui.display.hide()
-
-        -- clear root UI elements
+        -- delete element tree
+        ui.display.delete()
         ui.display = nil
 
         -- restore colors

rtu/startup.lua

@@ -28,7 +28,7 @@ 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 = "v1.1.0"
+local RTU_VERSION = "v1.2.0"
 
 local RTU_UNIT_TYPE = types.RTU_UNIT_TYPE
 local RTU_UNIT_HW_STATE = databus.RTU_UNIT_HW_STATE