117 lines
2.8 KiB
Lua
117 lines
2.8 KiB
Lua
local t = require("DS1820")
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timing = 60000 -- Sending timer
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srv = nil -- TCP client
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uid = '' -- MAC UID
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dhtpin_room = 1 -- DHT11 room pin
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dhtpin_cellar = 2 -- DHT11 cellar pin
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dhtpin_weather = 5 -- DHT11 weather pin
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ds_pin = 6
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local results = {} -- DS1822 results
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-- Weather vars
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TB_room = - 300 -- DHT temp
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TH_room = - 300 -- DHT humidity
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TB_cellar = - 300 -- DHT temp
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TH_cellar = - 300 -- DHT humidity
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TB_weather = - 300 -- DHT temp
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TH_weather = - 300 -- DHT humidity
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-- Read DS1822
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local function readout(temp)
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for addr, temp in pairs(temp) do
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local uid = string.format('%s',('%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X'):format(addr:byte(1,8)))
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results[uid] = temp
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print(uid,temp)
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end
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end
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local function read_sensors()
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t:read_temp(readout, ds_pin, t.C)
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end
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-- Read the DHT11 sensor
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local function dht_read(dhtpin)
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local status, temp, humi, temp_dec, humi_dec = dht.read(dhtpin)
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if status == dht.OK then
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print("DHT Temperature:"..temp..";".."Humidity:"..humi)
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return {['temp'] = temp, ['humi'] = humi}
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elseif status == dht.ERROR_CHECKSUM then
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print( "DHT Checksum error." )
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elseif status == dht.ERROR_TIMEOUT then
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print( "DHT timed out." )
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end
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return {}
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end
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-- Data for TCP server
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function data_out()
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read_sensors()
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local pack = {}
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pack['id'] = uid
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pack['room'] = dht_read(dhtpin_room)
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pack['cellar'] = dht_read(dhtpin_cellar)
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pack['weather'] = dht_read(dhtpin_weather)
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pack['sensors'] = results
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return encoder.toBase64(sjson.encode(pack))
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end
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-- Exchange data with server
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local function send()
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srv:connect(4999,"chan.ulgrad.ru")
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srv:on("connection", function(sck, c)
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print('connection')
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sck:send(data_out().."\r\n")
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end)
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srv:on("disconnection", function(sck,c)
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print('disconnection')
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end)
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end
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-- On Internet connect
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function on_connect()
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-- Generate UID from MAC address
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uid = string.gsub(wifi.ap.getmac(),':','')
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print("Connected to wifi as: " .. wifi.sta.getip())
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ssid,password,bssid_set,bssid = wifi.sta.getconfig()
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sensor_start()
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print(
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"\nCurrent Station configuration:"
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.."\nSSID : "..ssid
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.."\nPassword : "..password
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.."\nBSSID_set : "..bssid_set
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.."\nBSSID: "..bssid
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.."\nUID:"..uid
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.."\nClient IP:"..wifi.sta.getip().."\n"
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)
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srv = net.createConnection(net.TCP, 0)
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if srv then
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print('TCP Connection start')
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tcptimer:start()
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else
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print('Error connect to TCP')
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end
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end
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-- Setup sensors
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bme280.setup()
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-- Setup timers
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tcptimer = tmr.create()
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tcptimer:register(timing, tmr.ALARM_AUTO,send)
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inittimer = tmr.create()
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inittimer:register(5000, tmr.ALARM_SINGLE, function()
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enduser_setup.start('chan',on_connect)
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end)
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inittimer:start()
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