#61 monitor configuration and init, render engine started, dmesg changes, ppm monitor listing changes

coordinator/coordinator.lua

@@ -1,9 +1,141 @@
+
 local comms = require("scada-common.comms")
+local log = require("scada-common.log")
+local ppm = require("scada-common.ppm")
+local util = require("scada-common.util")
+
+local dialog = require("coordinator.util.dialog")
+
+local print = util.print
+local println = util.println
+local print_ts = util.print_ts
+local println_ts = util.println_ts
 
 local coordinator = {}
 
+local function ask_monitor(names)
+    println("available monitors:")
+    for i = 1, #names do
+        print(" " .. names[i])
+    end
+    println("")
+    println("select a monitor or type c to cancel")
+
+    local iface = dialog.ask_options(names, "c")
+
+    if iface ~= false and iface ~= nil then
+        util.filter_table(names, function (x) return x ~= iface end)
+    end
+
+    return iface
+end
+
+function coordinator.configure_monitors(num_units)
+    ---@class monitors_struct
+    local monitors = {
+        primary = nil,
+        unit_displays = {}
+    }
+
+    local monitors_avail = ppm.get_monitor_list()
+    local names = {}
+
+    -- get all interface names
+    for iface, _ in pairs(monitors_avail) do
+        table.insert(names, iface)
+    end
+
+    -- we need a certain number of monitors (1 per unit + 1 primary display)
+    if #names ~= num_units + 1 then
+        println("not enough monitors connected (need " .. num_units + 1 .. ")")
+        log.warning("insufficient monitors present (need " .. num_units + 1 .. ")")
+        return false
+    end
+
+    -- attempt to load settings
+    settings.load("/coord.settings")
+
+    ---------------------
+    -- PRIMARY DISPLAY --
+    ---------------------
+
+    local iface_primary_display = settings.get("PRIMARY_DISPLAY")
+
+    if not util.table_contains(names, iface_primary_display) then
+        println("primary display is not connected")
+        local response = dialog.ask_y_n("would you like to change it", true)
+        if response == false then return false end
+        iface_primary_display = nil
+    end
+
+    while iface_primary_display == nil and #names > 0 do
+        -- lets get a monitor
+        iface_primary_display = ask_monitor(names)
+    end
+
+    if iface_primary_display == false then return false end
+
+    settings.set("PRIMARY_DISPLAY", iface_primary_display)
+    util.filter_table(names, function (x) return x ~= iface_primary_display end)
+
+    monitors.primary = ppm.get_periph(iface_primary_display)
+
+    -------------------
+    -- UNIT DISPLAYS --
+    -------------------
+
+    local unit_displays = settings.get("UNIT_DISPLAYS")
+
+    if unit_displays == nil then
+        unit_displays = {}
+        for i = 1, num_units do
+            local display = nil
+
+            while display == nil and #names > 0 do
+                -- lets get a monitor
+                println("please select monitor for unit " .. i)
+                display = ask_monitor(names)
+            end
+
+            if display == false then return false end
+
+            unit_displays[i] = display
+        end
+    else
+        -- make sure all displays are connected
+        for i = 1, num_units do
+---@diagnostic disable-next-line: need-check-nil
+            local display = unit_displays[i]
+
+            if not util.table_contains(names, display) then
+                local response = dialog.ask_y_n("unit display " .. i .. " is not connected, would you like to change it?", true)
+                if response == false then return false end
+                display = nil
+            end
+
+            while display == nil and #names > 0 do
+                -- lets get a monitor
+                display = ask_monitor(names)
+            end
+
+            if display == false then return false end
+
+            unit_displays[i] = display
+        end
+    end
+
+    settings.set("UNIT_DISPLAYS", unit_displays)
+    settings.save("/coord.settings")
+
+    for i = 1, #unit_displays do
+        monitors.unit_displays[i] = ppm.get_periph(unit_displays[i])
+    end
+
+    return true, monitors
+end
+
 -- coordinator communications
-coordinator.coord_comms = function ()
+function coordinator.coord_comms()
     local self = {
         reactor_struct_cache = nil
     }