Added script and readme

Author: matm616

AccelBacklight.lua

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+-- AccelBacklight.lua
+
+-- Helper functions to run when var changed in form
+--------------------------------------------------
+local function accelAngleChanged(value)
+	accelAngle = value
+	system.pSave("accelAngle",accelAngle)
+end
+
+local function idleModeChanged(value)
+	local switchCaseTable = {
+		[1] = 0,
+		[2] = 1,
+		[3] = 2,
+		[4] = 3
+	}
+	idleMode = switchCaseTable[value]
+	system.pSave("idleMode",idleMode)
+end
+
+local function ActiveModeChanged(value)
+	local switchCaseTable = {
+		[1] = 0,
+		[2] = 1,
+		[3] = 2,
+		[4] = 3
+	}
+	activeMode = switchCaseTable[value]
+	system.pSave("activeMode",activeMode)
+end
+
+local function printToCmdChanged(value)
+	printToCmd = value
+	system.pSave("printToCmd",printToCmd)
+end
+--------------------------------------------------
+
+-- Form to set vars
+local function initForm()
+	local backlightModeSwitchCaseTable = {
+		[0] = 1,
+		[1] = 2,
+		[2] = 3,
+		[3] = 4
+	}
+
+	form.addRow(2)
+	form.addLabel({label="Activation Angle"})
+	form.addIntbox(accelAngle, -90, 90, 40, 0, 5, accelAngleChanged)
+
+	form.addRow(2)
+	form.addLabel({label="Idle Backlight Mode"})
+	form.addSelectbox({"Always Off", "10s", "60s", "Always On"}, backlightModeSwitchCaseTable[idleMode], true, idleModeChanged, {})
+
+	form.addRow(2)
+	form.addLabel({label="Active Backlight Mode"})
+	form.addSelectbox({"Always Off", "10s", "60s", "Always On"}, backlightModeSwitchCaseTable[activeMode], true, ActiveModeChanged, {})
+		
+	form.addRow(2)
+	form.addLabel({label="Print to Console"})
+	form.addSelectbox({"No", "Yes"}, printToCmd, true, printToCmdChanged, {})
+	
+	collectgarbage()
+end
+
+-- Helper function to print only when printToCmd is set to 1
+local function printCmd(text)
+	if (printToCmd == 2) then
+		print(text)
+	end
+end
+
+-- Loop function is called in regular intervals
+local function loop()
+	if (system.getIMU()["p"] > accelAngle) then
+		if (lastMode == activeMode) then
+			return
+		end
+		dt = system.getDateTime()
+		printCmd("Turning ON backlight - " .. (string.format("Time: %d-%02d-%02d, %d:%02d:%02d", dt.year, dt.mon, dt.day, dt.hour, dt.min, dt.sec)))
+		system.setProperty("BacklightMode", activeMode)
+		lastMode = activeMode
+	else
+		if (lastMode == idleMode) then
+			return
+		end
+		dt = system.getDateTime()
+		printCmd("Turning OFF backlight - " .. (string.format("Time: %d-%02d-%02d, %d:%02d:%02d", dt.year, dt.mon, dt.day, dt.hour, dt.min, dt.sec)))
+		system.setProperty("BacklightMode", idleMode)
+		lastMode = idleMode
+	end
+end
+
+
+-- Application initialization.
+local function init(code)
+	accelAngle = system.pLoad("accelAngle")
+	if (accelAngle == nil) then
+		accelAngle = 40
+		system.pSave("accelAngle", accelAngle)
+	end
+	
+	idleMode = system.pLoad("idleMode")
+	if (idleMode == nil) then
+		idleMode = 0
+		system.pSave("idleMode", idleMode)
+	end
+	
+	activeMode = system.pLoad("activeMode")
+	if (activeMode == nil) then
+		activeMode = 3
+		system.pSave("activeMode", activeMode)
+	end
+	
+	printToCmd = system.pLoad("printToCmd")
+	if (printToCmd == nil) then
+		printToCmd = 1
+		system.pSave("printToCmd", printToCmd)
+	end
+	
+	lastMode = system.getProperty("BacklightMode")
+	
+	system.registerForm(1, MENU_APPS, "Accel. Backlight Config", initForm, nil, printForm)
+	
+	dt = system.getDateTime()
+	print("Application initialized - " .. (string.format("Time: %d-%02d-%02d, %d:%02d:%02d", dt.year, dt.mon, dt.day, dt.hour, dt.min, dt.sec)))
+	collectgarbage()
+end
+
+-- Application interface
+return {init = init, loop = loop, author = "matm616", version = "1.0", name = "AccelBacklight"}

readme.md

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+# AccelBacklight
+Using the built in accelerometer on some Jeti TXs, such as the DS-12, this script allows you to turn on the backlight just by tilting the TX.
+
+## Requirements
+- Jeti TX
+- Aceelerometer module
+- Space for another user application
+
+## Installation
+1. Download `AccelBacklight.lua` from this repo and move it into `/Apps/` on the radio's SD card
+2. Go to `Main Menu` > `Applications` > `User Applications` then add the downloaded script
+
+## Configuration
+There are 4 configurable settings that can be adjusted under `Main Menu` > `Applications` > `Accel. Backlight Config`
+- Activation Angle
+  The angle at which the backlight should switch from "idle" to "active" (Turn on)
+- Idle Backlight Mode
+  The mode the backlight should be on when less than the "Activation Angle"
+- Active Backlight Mode
+  The mode the backlight should be on when more than the "Activation Angle"
+- Print to Console
+  Whether to print to console whenever the switching form idle to active and vice versa along with a time stamp. 
+  Really just there for testing