########################################
#======================================
# AWS IoT SDK - MQTT Client connection
#======================================
myAWSIoTMQTTClient = AWSIoTMQTTClient(thingName)
myAWSIoTMQTTClient.configureEndpoint(awsEndpoint, awsPortNumber)
myAWSIoTMQTTClient.configureCredentials(awsRootCAPath, awsIoTPrivateKeyPath,
awsIoTCertificatePath)
myAWSIoTMQTTClient.configureMQTTOperationTimeout(5)
# Last will payload for disconnection
lastWillPayload = '{"recordType":"Device","deviceStatus":"Disconnected"}'
myAWSIoTMQTTClient.configureLastWill(awsTopicPrefix + thingName,
lastWillPayload, 0)
# Connect
myAWSIoTMQTTClient.connect()
updateDeviceStatus("Connected")
dateTimeObj = datetime.now()
print("Device is connected at " + str(datetime.now()))
previous_status = 2
# Listen to door sensor and publish
while True:
if (previous_status != GPIO.input(pinNumber)):
if (GPIO.input(pinNumber) == 1):
import json
import time
#Setup our MQTT client and security certificates
#Make sure your certificate names match what you downloaded from AWS IoT
#Function to encode a payload into JSON
def json_encode(string):
return json.dumps(string)
#Creating last will message and encoding
lastWill = "Help I have disconnected"
lastWill = json_encode(lastWill)
mqttc = AWSIoTMQTTClient("1234")
#Make sure you use the correct region!
mqttc.configureEndpoint("data.iot.us-west-2.amazonaws.com",8883)
mqttc.configureCredentials("./rootCA.pem","./ratchet/ratchet.private.key","./ratchet/ratchet.cert.pem")
mqttc.configureLastWill("lwt", lastWill, 1)
mqttc.connect()
print("Connected")
print("Press Control + C to Crash")
# Loop forever
while True:
pass
print("--------------\n\n")
# configure the MQTT client
pycomAwsMQTTClient = AWSIoTMQTTClient(config.CLIENT_ID)
pycomAwsMQTTClient.configureEndpoint(config.AWS_HOST, config.AWS_PORT)
pycomAwsMQTTClient.configureCredentials(config.AWS_ROOT_CA,
config.AWS_PRIVATE_KEY,
config.AWS_CLIENT_CERT)
pycomAwsMQTTClient.configureOfflinePublishQueueing(config.OFFLINE_QUEUE_SIZE)
pycomAwsMQTTClient.configureDrainingFrequency(config.DRAINING_FREQ)
pycomAwsMQTTClient.configureConnectDisconnectTimeout(
config.CONN_DISCONN_TIMEOUT)
pycomAwsMQTTClient.configureMQTTOperationTimeout(config.MQTT_OPER_TIMEOUT)
pycomAwsMQTTClient.configureLastWill(config.LAST_WILL_TOPIC,
config.LAST_WILL_MSG, 1)
#Connect to MQTT Host
if pycomAwsMQTTClient.connect():
print('AWS connection succeeded')
# Subscribe to topic
pycomAwsMQTTClient.subscribe(config.TOPIC, 1, customCallback)
time.sleep(2)
# configure pysense
py = Pysense()
si = SI7006A20(py)
# Send message to host
loopCount = 0
else:
stopThread = False
x = threading.Thread(target=thread_function, args=(int(time.time()), ))
x.start()
myAWSIoTMQTTClient = AWSIoTMQTTClient(thingName, cleanSession=False)
myAWSIoTMQTTClient.configureEndpoint(
"a1f18ishzwlosz-ats.iot.ap-southeast-2.amazonaws.com", 8883)
myAWSIoTMQTTClient.configureCredentials("./AmazonRootCA1.pem",
"./90b9981671-private.pem.key",
"./90b9981671-certificate.pem.crt")
myAWSIoTMQTTClient.configureMQTTOperationTimeout(5)
lastWillPayload = '{"errorType":"Device","deviceID":"' + thingName + '"}'
myAWSIoTMQTTClient.configureLastWill("LNH_ALARM", lastWillPayload, 0)
myAWSIoTMQTTClient.connect()
previous_status = 2
while True:
print(GPIO.input(pinNumber))
if (previous_status != GPIO.input(pinNumber)):
if (GPIO.input(pinNumber) == 1):
print("I am sending message door is open")
updateDoorStatus("OPEN")
else:
print("I am sending message door is closed")
updateDoorStatus("CLOSE")
previous_status = GPIO.input(pinNumber)
