feat: Adds SerialPower widget to control the serial port power from LUA

sdcard/c480x272/WIDGETS/SerialPower/loadable.lua

@@ -0,0 +1,143 @@
+---------------------------------------------------------------------------
+-- Control serial port power via touch.                                  --
+--                                                                       --
+-- Copyright (C) EdgeTX                                                  --
+--                                                                       --
+-- License GPLv2: http://www.gnu.org/licenses/gpl-2.0.html               --
+--                                                                       --
+-- This program is free software; you can redistribute it and/or modify  --
+-- it under the terms of the GNU General Public License version 2 as     --
+-- published by the Free Software Foundation.                            --
+--                                                                       --
+-- This program is distributed in the hope that it will be useful        --
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of        --
+-- MERCHANTABILITY or FITNESS FOR borderON PARTICULAR PURPOSE. See the   --
+-- GNU General Public License for more details.                          --
+---------------------------------------------------------------------------
+
+-- zone and options were passed as arguments to chunk(...)
+local zone, options = ...
+
+-- Miscellaneous constants
+local HEADER = 40
+local WIDTH  = 200
+local HEIGHT = 50
+local AUX1   = 0
+local AUX2   = 1
+local HIGH   = 1
+local LOW    = 0
+local ON     = "On"
+local OFF    = "Off"
+local NA     = "N/A"
+
+-- The widget table will be returned to the main script
+local widget = { }
+
+-- Load the GUI library by calling the global function declared in the main script.
+-- As long as LibGUI is on the SD card, any widget can call loadGUI() because it is global.
+local libGUI = loadGUI()
+
+-- Instantiate a new GUI object
+local gui = libGUI.newGUI()
+
+-- Make a minimize button from a custom element
+local custom = gui.custom({ }, LCD_W - 34, 6, 28, 28)
+
+function custom.draw(focused)
+  lcd.drawRectangle(LCD_W - 34, 6, 28, 28, libGUI.colors.primary2)
+  lcd.drawFilledRectangle(LCD_W - 30, 19, 20, 3, libGUI.colors.primary2)
+  if focused then
+    custom.drawFocus()
+  end
+end
+
+function custom.onEvent(event, touchState)
+  if event == EVT_VIRTUAL_ENTER then
+    lcd.exitFullScreen()
+  end
+end
+
+local aux1pwrstate = 0;
+local aux2pwrstate = 0;
+
+-- AUX power state
+function readSerPwrState()
+  if serialGetPower ~= nil then
+    if serialGetPower(AUX1) ~= nil then
+	  if serialGetPower(AUX1) then
+	    aux1pwrstate = 1
+	  else
+	    aux1pwrstate = 0
+	  end
+    else
+      aux1pwrstate = -1
+    end
+    if serialGetPower(AUX2) ~= nil then
+	  if serialGetPower(AUX2) then
+	    aux2pwrstate = 1
+	  else
+	    aux2pwrstate = 0
+	  end
+    else
+      aux2pwrstate = -1
+	end
+  else
+    aux1pwrstate = -1
+    aux2pwrstate = -1
+  end
+end
+
+function aux1cb()
+  if (serialGetPower ~= nil and serialSetPower ~= nil) then
+    if serialGetPower(AUX1) then
+	  serialSetPower(AUX1, LOW)
+    else
+      serialSetPower(AUX1, HIGH)
+    end
+  end
+end
+
+function aux2cb()
+  if (serialGetPower ~= nil and serialSetPower ~= nil) then
+    if serialGetPower(AUX2) then
+      serialSetPower(AUX2, LOW)
+    else
+      serialSetPower(AUX2, HIGH)
+    end
+  end
+end
+
+local aux1powerButton = gui.button(5, 50, WIDTH, HEIGHT, "AUX1 power", aux1cb, VCENTER + DBLSIZE + libGUI.colors.primary2)
+local aux2powerButton = gui.button(5, 120, WIDTH, HEIGHT, "AUX2 Power", aux2cb, VCENTER + DBLSIZE + libGUI.colors.primary2)
+
+function gui.fullScreenRefresh()
+  -- Draw header
+  lcd.drawFilledRectangle(0, 0, LCD_W, 40, COLOR_THEME_SECONDARY1)
+  lcd.drawText(5, 20, "Serial port power demo", VCENTER + DBLSIZE + libGUI.colors.primary2)
+  readSerPwrState()
+
+  local text
+  if aux1pwrstate == 0 then text = OFF end
+  if aux1pwrstate == 1 then text = ON end
+  if aux1pwrstate == -1 then text = NA end
+  lcd.drawText(10+WIDTH, 50 + HEIGHT/2, text, DBLSIZE + VCENTER + libGUI.colors.primary1)
+
+  if aux2pwrstate == 0 then text = OFF end
+  if aux2pwrstate == 1 then text = ON end
+  if aux2pwrstate == -1 then text = NA end
+  lcd.drawText(10+WIDTH, 120 + HEIGHT/2, text, DBLSIZE + VCENTER + libGUI.colors.primary1)
+end
+
+-- Draw in widget mode
+function libGUI.widgetRefresh()
+  lcd.drawRectangle(0, 0, zone.w, zone.h, libGUI.colors.primary3)
+  lcd.drawText(zone.w / 2, zone.h / 2, "Put me to fullscreen", DBLSIZE + CENTER + VCENTER + libGUI.colors.primary3)
+end
+
+-- This function is called from the refresh(...) function in the main script
+function widget.refresh(event, touchState)
+  gui.run(event, touchState)
+end
+
+-- Return to the create(...) function in the main script
+return widget

sdcard/c480x272/WIDGETS/SerialPower/main.lua

@@ -0,0 +1,57 @@
+---------------------------------------------------------------------------
+-- Control serial port power via touch.                                  --
+--                                                                       --
+-- Copyright (C) EdgeTX                                                  --
+--                                                                       --
+-- License GPLv2: http://www.gnu.org/licenses/gpl-2.0.html               --
+--                                                                       --
+-- This program is free software; you can redistribute it and/or modify  --
+-- it under the terms of the GNU General Public License version 2 as     --
+-- published by the Free Software Foundation.                            --
+--                                                                       --
+-- This program is distributed in the hope that it will be useful        --
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of        --
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         --
+-- GNU General Public License for more details.                          --
+---------------------------------------------------------------------------
+
+local name = "SerialPower"
+local nameLG = "libGUI"
+local libGUI
+
+-- Return GUI library table
+function loadGUI()
+  if not libGUI then
+  -- Loadable code chunk is called immediately and returns libGUI
+  	libGUI = loadScript("/WIDGETS/" .. nameLG .. "/libgui.lua")
+  end
+
+  return libGUI()
+end
+
+local function create(zone, options)
+  -- Loadable code chunk is called immediately and returns a widget table
+  return loadScript("/WIDGETS/" .. name .. "/loadable.lua")(zone, options)
+end
+
+local function refresh(widget, event, touchState)
+  widget.refresh(event, touchState)
+end
+
+local function background(widget)
+end
+
+local options = { 
+}
+
+local function update(widget, options)
+end
+
+return {
+  name = name,
+  create = create,
+  refresh = refresh,
+  background = background,
+  options = options,
+  update = update
+}