AltGraph/AltiGraph.lua at master · nichtgedacht/AltGraph · GitHub

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collectgarbage()

local setupvars = {}
setupvars.Version = "3.1"
local model, owner = " ", " "
local trans
--local mem, maxmem = 0, 0 -- for debug only
local goregisterTelemetry = nil
local Form, Screen

-- Read translations
local function setLanguage()
  local lng=system.getLocale()
  local file = io.readall("Apps/Lang/AltiGraph.jsn")
  local obj = json.decode(file)
  if(obj) then
    trans = obj[lng] or obj[obj.default]
  end
end

-- Telemetry Page
local function Window()

  Screen.showDisplay()

end

-- remove unused module
local function unrequire(module)
  package.loaded[module] = nil
  _G[module] = nil
end

-- switch to setup context
local function setupForm(formID)

  Screen = nil          -- comment out if closeForm not available
  unrequire("AltiGraph/Screen") -- comment out if closeForm not available
  system.unregisterTelemetry(1) -- comment out if closeForm not available

  collectgarbage()

  Form = require "AltiGraph/Form"

  -- return modified data from user
  setupvars = Form.setup(setupvars)

  collectgarbage()
end

-- switch to telemetry context
local function closeForm()

  Form = nil
  unrequire("AltiGraph/Form")

  collectgarbage()

  -- register telemetry window again after 500 ms
  goregisterTelemetry = 500 + system.getTimeCounter() -- used in loop()

  collectgarbage()

end

local function loop()

  -- code of loop from screen module
  if ( Screen ) then
    Screen.loop()
  end

  -- register telemetry display again after form was closed
  if ( goregisterTelemetry and system.getTimeCounter() > goregisterTelemetry ) then

    Screen = require "AltiGraph/Screen"
    Screen.init(setupvars)

    system.registerTelemetry(1, trans.appName .. " " .. setupvars.Version .. "    " .. model, 4, Window) --registers a full size Window
    goregisterTelemetry = nil

  end

  -- debug, memory usage
  --mem = math.modf(collectgarbage("count")) + 1
  --if ( maxmem < mem ) then
  --  maxmem = mem
  --  print (maxmem)
  --end

  collectgarbage()
end

local function init()
  model = system.getProperty("Model")
  owner = system.getUserName()

  setupvars.cell_count = system.pLoad("cell_count",1)
  setupvars.voltage_alarm_thresh = system.pLoad("voltage_alarm_thresh",0)
  setupvars.voltage_alarm_voice = system.pLoad("voltage_alarm_voice","...")
  setupvars.timeSw = system.pLoad("timeSw")
  setupvars.resSw = system.pLoad("resSw")
  setupvars.anAltiSw = system.pLoad("anAltiSw")
  setupvars.anVoltSw = system.pLoad("anVoltSw")
  setupvars.varioSens = system.pLoad("varioSens", 0)
  setupvars.altitudeSens = system.pLoad("altitudeSens", 0)
  setupvars.varioDeviceId = system.pLoad("varioDeviceId", 0)
  setupvars.altitudeDeviceId = system.pLoad("altitudeDeviceId", 0)
  setupvars.resAlti = system.pLoad("resAlti", 0)
  setupvars.trans = trans

  Screen = require "AltiGraph/Screen"
  Screen.init(setupvars)

  system.registerForm(1, MENU_APPS, trans.appName, setupForm, nil, nil, closeForm)
  system.registerTelemetry(1, trans.appName .. " " .. setupvars.Version .. "    " .. model, 4, Window) --registers a full size Window

  collectgarbage()
end

setLanguage()
collectgarbage()
return {init=init, loop=loop, author="nichtgedacht", version=setupvars.Version, name=trans.appName}