--[[
8.11.2016

V0.02    22.12.2016     Auch für DC-16 geeignet


Latch-Switch erzeugt einen Apps Geber (Schalter) mit Bezeichner LSw welcher mit je einem Sprachkommando oder Taster ein-
bzw. ausgeschaltet werden kann.

Variable Zuordnung der Sprachkommandos bzw. Taster im Setup .
Zuordnung und letzter Zustand von LSw werden im jeweiligen Modellspeicher gespeichert.

]]--

-- Assigned switches as a local variable
local switch1, switch2, state, state_old

--------------------------------------------------------------------------------
-- Store settings when changed by user
local function Switch1Changed(value)
	switch1 = value
	system.pSave("switch1", switch1)
end

local function Switch2Changed(value)
	switch2 = value
	system.pSave("switch2", switch2)
end
--------------------------------------------------------------------------------
-- Form initialization for buttom/switch select
local function initForm()

	form.addRow(2)
	form.addLabel({label="Selected switch 1",width=250})
	form.addInputbox(switch1, true, Switch1Changed)

	form.addRow(2)
	form.addLabel({label="Selected switch 2",width=250})
	form.addInputbox(switch2, true, Switch2Changed)
end
--------------------------------------------------------------------------------
-- Command control
local function commands()
	local val1 = system.getInputsVal(switch1)
	local val2 = system.getInputsVal(switch2)
	if val1 == 1 then state =  1 end
	if val2 == 1 then state = -1 end
	if state_old ~= state then
		system.pSave("state", state)
		state_old = state
	end

	if ctrlIdx then system.setControl(1, state, 0, 0) end
end
--------------------------------------------------------------------------------
-- Print the value if the switch is assigned
local function printForm()
    commands()
	lcd.drawText(10, 50, string.format("Status LSw : %s", string.format("%3d", state)),FONT_MAXI)
end
--------------------------------------------------------------------------------
-- Runtime functions, read sensor, calculate values all times
local function loop()
	commands()
end
-------------------------------------------------------------------------------
-- Application initialization
local function init()
	switch1 = system.pLoad("switch1")
	switch2 = system.pLoad("switch2")
	state   = system.pLoad("state", -1)
	system.registerForm(1,MENU_APPS,"Latch Switch Setup",initForm, nil,printForm)
	ctrlIdx = system.registerControl(1, "Latch-Switch","LSw")
end
-------------------------------------------------------------------------------
return {init=init, loop=loop, author="user", version="0.02", name= "LatchSw"}