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mqttClient.py
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mqttClient.py
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from wiringx86 import GPIOEdison as GPIO
import paho.mqtt.client as paho, os, urlparse, time
gpio = GPIO(debug=False)
analogpin = 17
gpio.pinMode(analogpin, gpio.ANALOG_INPUT)
# Define event callbacks
def on_connect(mosq, obj, rc):
print("rc: " + str(rc))
def on_message(mosq, obj, msg):
print(msg.topic + " " + str(msg.qos) + " " + str(msg.payload))
def on_publish(mosq, obj, mid):
print("mid: " + str(mid))
def on_subscribe(mosq, obj, mid, granted_qos):
print("Subscribed: " + str(mid) + " " + str(granted_qos))
def on_log(mosq, obj, level, string):
print(string)
mqttc = paho.Client()
# Assign event callbacks
mqttc.on_message = on_message
mqttc.on_connect = on_connect
mqttc.on_publish = on_publish
mqttc.on_subscribe = on_subscribe
# Uncomment to enable debug messages
#mqttc.on_log = on_log
# Parse CLOUDMQTT_URL (or fallback to localhost)
url_str = os.environ.get('CLOUDMQTT_URL', 'mqtt://USERNAME:PASSWORD@geeknesia.com:1883')
url = urlparse.urlparse(url_str)
# Connect
mqttc.username_pw_set(url.username, url.password)
mqttc.connect(url.hostname, url.port)
# Start subscribe, with QoS level 0
mqttc.subscribe("hello/world", 0)
# Publish a message
mqttc.publish("iot/live", "DEVICE_ID")
# Continue the network loop, exit when an error occurs
rc = 0
while rc == 0:
rc = mqttc.loop()
value = gpio.analogRead(analogpin)
mqttc.publish("iot/data", '{"code":"USERNAME:PASSWORD","attributes":{"LDR":"'+value+'"}}')
time.sleep(60)
print("rc: " + str(rc))