from umqtt.simple import MQTTClient
from machine import Pin
import network
import time
import ds18x20
import onewire

# the device is on GPIO12
dat =Pin(2)
# create the onewire object
ds = ds18x20.DS18X20(onewire.OneWire(dat))
# scan for devices on the bus
roms = ds.scan()
print('found devices:', roms)

#wifi setting
SSID="SFR_A0F0_EXT" #insert your wifi ssid
PASSWORD="osto7rawayristaxtris" #insert your wifi password

SERVER = "mqtt.mydevices.com"
CLIENT_ID = "093ef190-2567-11e9-8cb9-732fc93af22b" #insert your client ID
username='7c70a330-69af-11e8-a76a-fdebb8d0010d' #insert your MQTT username
password='32d184add41570759dd1735fa464cef7e62876a4' #insert your MQTT password
TOPIC = ("v1/%s/things/%s/data/1" % (username, CLIENT_ID))

def connectWifi(ssid,passwd):
  global wlan
  wlan=network.WLAN(network.STA_IF)
  wlan.active(True)
  wlan.disconnect()
  print('connecting to network...')
  wlan.connect(ssid,passwd)
  while(wlan.ifconfig()[0]=='0.0.0.0'):
    time.sleep(1)
  print('network config:', wlan.ifconfig())
  
connectWifi(SSID,PASSWORD)
server=SERVER
c = MQTTClient(CLIENT_ID, server,0,username,password)
c.connect()
print("Successfully connected to myDevices MQTT broker")
def senddata():
  ds.convert_temp()
  time.sleep_ms(100)
  temp = ds.read_temp(roms[0])
  c.publish(TOPIC, str(temp))
  

  time.sleep(10)
  print("temperature is: ", temp)
  
while True:
	try:
		senddata()
	except OSError:
		pass