BUTTON LED COMBO - ST IOT CHALLENGE 2020
Dependencies: Cayenne-MQTT-mbed mbed X_NUCLEO_IDW01M1v2 NetworkSocketAPI
main.cpp
- Committer:
- stiotchallenge
- Date:
- 2019-07-16
- Revision:
- 9:e3a211745f71
- Parent:
- 8:b19f86c36974
- Child:
- 10:2951beb4fca3
File content as of revision 9:e3a211745f71:
/** * Example app for using the Cayenne MQTT C++ library to send and receive example data. This example uses * the X-NUCLEO-IDW01M1 WiFi expansion board via the X_NUCLEO_IDW01M1v2 library. */ #include "MQTTTimer.h" #include "CayenneMQTTClient.h" #include "MQTTNetworkIDW01M1.h" #include "SpwfInterface.h" #include "hcsr04.h" #include "Servo.h" // WiFi network info. char* ssid = "iPhone"; char* wifiPassword = "abcd1234"; // Cayenne authentication info. This should be obtained from the Cayenne Dashboard. char* username = "4f3fbcb0-3796-11e9-ad96-c15442ccb423"; char* password = "9e099f3d9aaedd7b76ca94044c6bb488c3999e3c"; char* clientID = "4288d2f0-a5a9-11e9-9636-f9904f7b864b"; SpwfSAInterface interface(D8, D2); // TX, RX MQTTNetwork<SpwfSAInterface> network(interface); CayenneMQTT::MQTTClient<MQTTNetwork<SpwfSAInterface>, MQTTTimer> mqttClient(network, username, password, clientID); DigitalIn button1(USER_BUTTON); DigitalOut led1(LED1); DigitalOut ledGreen(D11); DigitalOut ledRed(D12); //HCSR04 sensor(D7, D6); //Servo myservo(D10); int iotvalue; //Function prototype new MQTTTimer publishData(MQTTTimer, int, int); MQTTTimer myFunction(MQTTTimer); MQTTTimer myFunction (MQTTTimer timer){ /** * Write your codes here. **/ led1 = 1; wait(0.2); led1 = 0; wait(0.2); ledGreen = iotvalue; //ULTRASONIC SENSOR WITH LED///////////////////// // long distance = sensor.distance(); // printf("distance %d \n",distance); // wait(1.0); // 1 sec // if (distance > 50) { // ledGreen = 0; // } // if (distance <50) { // ledGreen = 1; // } //////////////////////////////////////////////// //SERVOMOTOR WITH BUTTON//////////////////////// // if (button1) { // myservo = 1; //tutup // wait(0.2); // } // if (~button1) { // myservo = 0; //buka // wait(0.2); // } ///////////////////////////////////////////////// //ULTRASONIC + SERVO///////////////////////////// // int openclose; // long distance = sensor.distance(); // printf("distance %d \n",distance); // wait(1.0); // 1 sec // if (distance > 50) { // ledGreen = 0; // myservo = 1; //tutup // wait(0.2); // openclose = 0; // } // if (distance <50) { // ledGreen = 1; // myservo = 0; //buka // wait(0.2); // openclose = 1; // } timer = publishData(timer, ledGreen, led1); return timer; } MQTTTimer publishData(MQTTTimer timer, int data1, int data2){ // 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, 1, TYPE_VOLTAGE, UNIT_DIGITAL, data1)) != CAYENNE_SUCCESS) { printf("Publish temperature failed, error: %d\n", error); } // if ((error = mqttClient.publishData(DATA_TOPIC, 2, TYPE_VOLTAGE, UNIT_DIGITAL, data2)) != CAYENNE_SUCCESS) { // printf("Publish data failed, error: %d\n", error); // } // Restart the countdown timer for publishing data every 5 seconds. Change the timeout parameter to publish at a different interval. timer.countdown_ms(5000); } return timer; } /** * Print the message info. * @param[in] message The message received from the Cayenne server. */ void outputMessage(CayenneMQTT::MessageData& message) { switch (message.topic) { case COMMAND_TOPIC: printf("topic=Command"); break; case CONFIG_TOPIC: printf("topic=Config"); break; default: printf("topic=%d", message.topic); break; } printf(" channel=%d", message.channel); if (message.clientID) { printf(" clientID=%s", message.clientID); } if (message.type) { printf(" type=%s", message.type); } for (size_t i = 0; i < message.valueCount; ++i) { if (message.getValue(i)) { printf(" value=%s", message.getValue(i)); } if (message.getUnit(i)) { printf(" unit=%s", message.getUnit(i)); } } if (message.id) { printf(" id=%s", message.id); } printf("\n"); } /** * Handle messages received from the Cayenne server. * @param[in] message The message received from the Cayenne server. */ void messageArrived(CayenneMQTT::MessageData& message) { int error = 0; // Add code to process the message. Here we just ouput the message data. outputMessage(message); if (message.topic == COMMAND_TOPIC) { switch(message.channel) { case 0: // Set the onboard LED state iotvalue = atoi(message.getValue()); printf("From Cayenne = %d\n",iotvalue); // Publish the updated LED state if ((error = mqttClient.publishData(DATA_TOPIC, message.channel, NULL, NULL, message.getValue())) != 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.id, NULL, message.clientID)) != CAYENNE_SUCCESS) { printf("Response failure, error: %d\n", error); } } } /** * Connect to the Cayenne server. * @return Returns CAYENNE_SUCCESS if the connection succeeds, or an error code otherwise. */ int connectClient(void) { int error = 0; // Connect to the server. printf("Connecting to %s:%d\n", CAYENNE_DOMAIN, CAYENNE_PORT); while ((error = network.connect(CAYENNE_DOMAIN, CAYENNE_PORT)) != 0) { printf("TCP connect failed, error: %d\n", error); wait(2); } if ((error = mqttClient.connect()) != MQTT::SUCCESS) { printf("MQTT connect failed, error: %d\n", error); return error; } printf("Connected\n"); // Subscribe to required topics. if ((error = mqttClient.subscribe(COMMAND_TOPIC, CAYENNE_ALL_CHANNELS)) != CAYENNE_SUCCESS) { printf("Subscription to Command topic failed, error: %d\n", error); } if ((error = mqttClient.subscribe(CONFIG_TOPIC, CAYENNE_ALL_CHANNELS)) != CAYENNE_SUCCESS) { printf("Subscription to Config topic failed, error:%d\n", error); } // Send device info. Here we just send some example values for the system info. These should be changed to use actual system data, or removed if not needed. mqttClient.publishData(SYS_VERSION_TOPIC, CAYENNE_NO_CHANNEL, NULL, NULL, CAYENNE_VERSION); mqttClient.publishData(SYS_MODEL_TOPIC, CAYENNE_NO_CHANNEL, NULL, NULL, "mbedDevice"); //mqttClient.publishData(SYS_CPU_MODEL_TOPIC, CAYENNE_NO_CHANNEL, NULL, NULL, "CPU Model"); //mqttClient.publishData(SYS_CPU_SPEED_TOPIC, CAYENNE_NO_CHANNEL, NULL, NULL, "1000000000"); return CAYENNE_SUCCESS; } /** * Main loop where MQTT code is run. */ void loop(void) { // Start the countdown timer for publishing data every 5 seconds. Change the timeout parameter to publish at a different interval. MQTTTimer timer(3000); while (true) { // Yield to allow MQTT message processing. mqttClient.yield(1000); // Check that we are still connected, if not, reconnect. if (!network.connected() || !mqttClient.connected()) { network.disconnect(); mqttClient.disconnect(); printf("Reconnecting\n"); while (connectClient() != CAYENNE_SUCCESS) { wait(2); printf("Reconnect failed, retrying\n"); } } timer = myFunction (timer); } } /** * Main function. */ int main() { // Initialize the network interface. printf("Initializing interface\n"); interface.connect(ssid, wifiPassword, NSAPI_SECURITY_WPA2); // Set the default function that receives Cayenne messages. mqttClient.setDefaultMessageHandler(messageArrived); // Connect to Cayenne. if (connectClient() == CAYENNE_SUCCESS) { // Run main loop. loop(); } else { printf("Connection failed, exiting\n"); } if (mqttClient.connected()) mqttClient.disconnect(); if (network.connected()) network.disconnect(); return 0; }