AzureIoTLoop
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void publishAzuredata(char* event, unsigned int value){ | |
client.publish(event, value); | |
} | |
void subscibeAzuredata(char* event){ | |
client.subscribe(iothub_subscribe_endpoint); | |
} | |
void reconnect() { | |
while (!client.connected()) { | |
Serial.print("Attempting MQTT connection..."); | |
if (client.connect(iothub_deviceid, iothub_user, iothub_sas_token)) { | |
Serial.println("connected"); | |
} else { | |
Serial.print("failed, rc="); | |
Serial.print(client.state()); | |
Serial.println("try again in 5 seconds"); | |
// Wait 5 seconds before retrying | |
delay(5000); | |
} | |
} | |
} | |
void callback(char* topic, byte* payload, unsigned int length) { | |
if (String(topic) == "device/deviceID/gate") { | |
if (value == "1") { | |
digitalWrite(gatePin, HIGH); | |
delay(2000); | |
client.publish(topic, 0); | |
digitalWrite(gatePin, LOW); | |
} | |
else if (value == "0") { | |
//do nothing really | |
//digitalWrite(gatePin, LOW); | |
} | |
} | |
} | |
void setup(){ | |
client.setServer(mqttServer, mqttPort); | |
client.setCallback(callback); | |
subscibeAzuredata("device/deviceID/gate"); | |
subscibeAzuredata("device/deviceID/garage"); | |
connect_mqtt(); | |
} | |
void loop(){ | |
if (!client.connected()) { | |
reconnect(); | |
} | |
client.loop(); | |
} |
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