jdz/door.py

#!/usr/bin/python
# -*- coding:utf-8 -*-
import time, os
import paho.mqtt.client as mqtt
import RPi.GPIO as GPIO

# MQTT Broker settings
mqttBroker ="65.108.199.212"
myhost = os.uname()[1]
client = mqtt.Client(myhost)
client.connect(mqttBroker, 1883)

# Set up GPIO mode (BCM numbering)
GPIO.setmode(GPIO.BCM)

# Define pin numbers
PIN_17 = 17
PIN_18 = 18

# Set GPIO 
result_17 = GPIO.setup(PIN_17, GPIO.IN)
result_18 = GPIO.setup(PIN_18, GPIO.OUT)


while True:
      if GPIO.input(PIN_17) == GPIO.HIGH:
        print("Puerta abierta")
        client.publish("iiot/"+ myhost +"/door", result_17)
        GPIO.output(PIN_18, GPIO.HIGH) # Luz Roja encendida
      else:
         GPIO.output(PIN_18, GPIO.LOW)
         client.publish("iiot/"+ myhost +"/door", result_18)