BUTTON LED COMBO - ST IOT CHALLENGE 2020
Dependencies: Cayenne-MQTT-mbed mbed X_NUCLEO_IDW01M1v2 NetworkSocketAPI
Diff: main.cpp
- Revision:
- 1:a2d8aec2bb92
- Parent:
- 0:d20655cd1f3c
- Child:
- 2:445f09de09bd
--- a/main.cpp Fri Oct 07 18:30:51 2016 +0000 +++ b/main.cpp Thu Oct 20 22:57:56 2016 +0000 @@ -21,6 +21,8 @@ MQTTNetwork<SpwfSAInterface> network(interface); Cayenne::MQTTClient<MQTTNetwork<SpwfSAInterface>, MQTTTimer> mqttClient(network); +DigitalOut led1(LED1); + /** * Print the message info. * @param[in] message The message received from the Cayenne server. @@ -69,10 +71,23 @@ // Add code to process the message. Here we just ouput the message data. outputMessage(message); - // If this is a command message we publish a response. Here we are just sending a default 'OK' response. - // An error response should be sent if there are issues processing the message. - if (message.topic == COMMAND_TOPIC && (error = mqttClient.publishResponse(message.channel, message.id, NULL, message.clientID)) != CAYENNE_SUCCESS) { - printf("Response failure, error: %d\n", error); + if (message.topic == COMMAND_TOPIC) { + switch(message.channel) { + case 0: + // Set the onboard LED state + led1 = atoi(message.values[0].value); + // Publish the updated LED state + if ((error = mqttClient.publishData(DATA_TOPIC, message.channel, NULL, NULL, message.values[0].value)) != CAYENNE_SUCCESS) { + printf("Publish LED state failure, error: %d\n", error); + } + break; + } + + // If this is a command message we publish a response. Here we are just sending a default 'OK' response. + // An error response should be sent if there are issues processing the message. + if ((error = mqttClient.publishResponse(message.channel, message.id, NULL, message.clientID)) != CAYENNE_SUCCESS) { + printf("Response failure, error: %d\n", error); + } } } @@ -138,13 +153,13 @@ // Publish some example data every few seconds. This should be changed to send your actual data to Cayenne. if (timer.expired()) { int error = 0; - if ((error = mqttClient.publishData(DATA_TOPIC, 0, TEMPERATURE, CELSIUS, 30.5)) != CAYENNE_SUCCESS) { + if ((error = mqttClient.publishData(DATA_TOPIC, 1, TEMPERATURE, CELSIUS, 30.5)) != CAYENNE_SUCCESS) { printf("Publish temperature failed, error: %d\n", error); } - if ((error = mqttClient.publishData(DATA_TOPIC, 1, LUMINOSITY, LUX, 1000)) != CAYENNE_SUCCESS) { + if ((error = mqttClient.publishData(DATA_TOPIC, 2, LUMINOSITY, LUX, 1000)) != CAYENNE_SUCCESS) { printf("Publish luminosity failed, error: %d\n", error); } - if ((error = mqttClient.publishData(DATA_TOPIC, 2, BAROMETRIC_PRESSURE, HECTOPASCAL, 800)) != CAYENNE_SUCCESS) { + if ((error = mqttClient.publishData(DATA_TOPIC, 3, BAROMETRIC_PRESSURE, HECTOPASCAL, 800)) != CAYENNE_SUCCESS) { printf("Publish barometric pressure failed, error: %d\n", error); } timer.countdown_ms(5000);