243 lines
6.9 KiB
Lua
243 lines
6.9 KiB
Lua
-- Main Module
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mlt = tmr.create() -- Main loop timer
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rowbgColor= {}
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-- Buffer of the clock
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rgbBuffer = ws2812.newBuffer(114, 3)
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-- 110 Character plus one LED for each minute,
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-- that cannot be displayed, as the clock as only a resolution of 5 minutes
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function syncTimeFromInternet()
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if (syncRunning == nil) then
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syncRunning=true
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sntp.sync(sntpserverhostname,
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function(sec,usec,server)
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syncRunning=nil
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end,
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function()
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print('NTP failed!')
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syncRunning=nil
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end
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)
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end
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end
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function displayTime()
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collectgarbage()
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local sec, usec = rtctime.get()
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-- Handle lazy programmer:
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if (timezoneoffset == nil) then
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timezoneoffset=0
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end
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local tc = require("timecore_diet")
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if (tc == nil) then
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return
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end
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local time = tc.getTime(sec, timezoneoffset)
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tc = nil
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timecore_diet=nil
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package.loaded["timecore_diet"]=nil
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collectgarbage()
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local wc = require("wordclock_diet")
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if (wc ~= nil) then
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words = wc.timestat(time.hour, time.minute)
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if ((dim ~= nil) and (dim == "on")) then
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words.briPer=briPer
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if (words.briPer ~= nil and words.briPer < 3) then
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words.briPer=3
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end
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else
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words.briPer=nil
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end
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end
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wc = nil
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wordclock_diet=nil
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package.loaded["wordclock_diet"]=nil
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collectgarbage()
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print("wc: " .. tostring(node.heap()))
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local dw = require("displayword_diet")
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if (dw ~= nil) then
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--if lines 4 to 6 are inverted due to hardware-fuckup, unfuck it here
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local invertRows=false
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if ((inv46 ~= nil) and (inv46 == "on")) then
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invertRows=true
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end
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local c = dw.countChars(words)
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dw.generateLEDs(rgbBuffer, words, colorBg, color, color1, color2, color3, color4, invertRows, c)
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end
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dw = nil
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displayword_diet=nil
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package.loaded["displayword_diet"]=nil
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collectgarbage()
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-- cleanup
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i=nil
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briPer=words.briPer
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words=nil
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time=nil
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collectgarbage()
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end
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function normalOperation()
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-- use default color, if nothing is defined
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if (color == nil) then
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-- Color is defined as GREEN, RED, BLUE
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color=string.char(0,0,250)
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end
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print("start: " , node.heap())
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-------------------------------------------------------------
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-- Define the main loop
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local setupCounter=5
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local alive=0
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mlt:register(1000, tmr.ALARM_AUTO, function (lt)
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if (setupCounter > 4) then
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if (colorBg ~= nil) then
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rgbBuffer:fill(string.byte(colorBg,1), string.byte(colorBg,2), string.byte(colorBg,3)) -- disable all LEDs
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else
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rgbBuffer:fill(0,0,0) -- disable all LEDs
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end
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syncTimeFromInternet()
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setupCounter=setupCounter-1
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alive = 1
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rgbBuffer:set(19, color) -- N
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rgbBuffer:set(31, color) -- T
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if ((inv46 ~= nil) and (inv46 == "on")) then
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rgbBuffer:set(45, color) -- P
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else
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rgbBuffer:set(55, color) -- P
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end
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elseif (setupCounter > 3) then
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-- Here the WLAN is found, and something is done
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mydofile("mqtt")
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rgbBuffer:fill(0,0,0) -- disable all LEDs
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if (startMqttClient ~= nil) then
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if ((inv46 ~= nil) and (inv46 == "on")) then
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rgbBuffer:set(34, color) -- M
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else
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rgbBuffer:set(44, color) -- M
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end
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rgbBuffer:set(82, color) -- T
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startMqttClient()
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else
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print("NO Mqtt found")
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mydofile("telnet")
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end
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setupCounter=setupCounter-1
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elseif (setupCounter > 2) then
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if (startTelnetServer ~= nil) then
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startTelnetServer()
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else
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displayTime()
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end
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setupCounter=setupCounter-1
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elseif ( (alive % 120) == 0) then
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-- sync the time every 5 minutes
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local heapusage = node.heap()
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if (heapusage > 12000) then
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syncTimeFromInternet()
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end
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heapusage=nil
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alive = alive + 1
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else
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displayTime()
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alive = alive + 1
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end
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if (rgbBuffer ~= nil) then
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-- show Mqtt status
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if (startMqttClient ~= nil) then
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if (not connectedMqtt()) then
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rgbBuffer:set(103, 0, 64,0)
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-- check every thirty seconds, if reconnecting is necessary
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if (((tmr.now() / 1000000) % 100) == 30) then
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print("MQTT reconnecting... ")
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reConnectMqtt()
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end
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end
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end
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ws2812.write(rgbBuffer)
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else
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-- set FG to fix value: RED
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local color = string.char(255,0,0)
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rgbBuffer:fill(0,0,0) -- disable all LEDs
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for i=108,110, 1 do rgbBuffer:set(i, color) end
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ws2812.write(rgbBuffer)
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print("Fallback no time displayed")
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end
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collectgarbage()
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-- Feed the system watchdog.
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tmr.wdclr()
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end)
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-------------------------------------------------------------
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-- Connect to Wifi
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local connect_counter=0
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-- Wait to be connect to the WiFi access point.
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local wifitimer = tmr.create()
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wifitimer:register(500, tmr.ALARM_AUTO, function (timer)
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connect_counter=connect_counter+1
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if wifi.sta.status() ~= 5 then
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print(connect_counter .. "/60 Connecting to AP...")
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rgbBuffer:fill(0,0,0) -- clear all LEDs
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if (connect_counter % 5 ~= 4) then
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local wlanColor=string.char((connect_counter % 6)*20,(connect_counter % 5)*20,(connect_counter % 3)*20)
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if ((connect_counter % 5) >= 1) then
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rgbBuffer:set(7, wlanColor)
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end
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if ((connect_counter % 5) >= 3) then
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rgbBuffer:set(15, wlanColor)
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end
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if ((connect_counter % 5) >= 2) then
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rgbBuffer:set(16, wlanColor)
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end
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if ((connect_counter % 5) >= 0) then
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rgbBuffer:set(17, wlanColor)
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end
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end
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ws2812.write(rgbBuffer)
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else
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wifitimer:unregister()
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wifitimer=nil
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connect_counter=nil
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print('IP: ',wifi.sta.getip(), " heap: ", node.heap())
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rgbBuffer:fill(0,0,0) -- clear all LEDs
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rgbBuffer:set(13, color) -- I
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if ((inv46 ~= nil) and (inv46 == "on")) then
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rgbBuffer:set(45, color) -- P
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else
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rgbBuffer:set(55, color) -- P
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end
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ws2812.write(rgbBuffer)
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mlt:start()
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end
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end)
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wifitimer:start()
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end
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-------------------main program -----------------------------
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briPer = 50 -- Default brightness is set to 50%
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ws2812.init() -- WS2812 LEDs initialized on GPIO2
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----------- button ---------
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gpio.mode(3, gpio.INPUT)
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local btnCounter=0
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-- Start the time Thread handling the button
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local btntimer = tmr.create()
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btntimer:register(5000, tmr.ALARM_AUTO, function (t)
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if (gpio.read(3) == 0) then
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mlt:unregister()
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print("Button pressed " .. tostring(btnCounter))
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btnCounter = btnCounter + 5
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for i=1,btnCounter do rgbBuffer:set(i, 128, 0, 0) end
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ws2812.write(rgbBuffer)
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if (btnCounter >= 110) then
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file.remove("config.lua")
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file.remove("config.lc")
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node.restart()
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end
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end
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end)
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btntimer:start()
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