HuyNQ
Dependencies: C12832 MQTT_MbedOS
Fork of mbed-os-mqtt by
main.cpp
- Committer:
- kokichi226
- Date:
- 2017-11-02
- Revision:
- 1:8d33e7fdd27c
- Parent:
- 0:35df42ee93ed
- Child:
- 2:c89dbc1d8123
File content as of revision 1:8d33e7fdd27c:
#include "mbed.h" #include "C12832.h" #include "MQTTEthernet.h" #include "MQTTClient.h" // LCD Pinout C12832 lcd(D11, D13, D12, D7, D10); // MQTT Variables char* MqttHostname = "192.168.1.105"; int MqttPort = 1883; char* MqttTopic = "mbed-sample-dssdsdhhuynq"; char* MqttClientId = "changeme-huynq-zcaxcaz"; int main() { printf("Example MQTT client\n"); // Brings up the network interface MQTTEthernet eth = MQTTEthernet(); const char *ip = eth.get_ip_address(); printf("IP address is: %s\n", ip ? ip : "No IP"); // Create Mbed Client Interface MQTT::Client<MQTTEthernet, Countdown> client = MQTT::Client<MQTTEthernet, Countdown>(eth); // Create TCP connection eth.open(eth.getEth()); int rc = eth.connect(MqttHostname, MqttPort); printf("TCP Status: %s\n", (rc == 0) ? "Success" : "Failure"); // Wait for a short length of time to allow user to see output messages. Thread::wait(2000); if(rc == 0){ printf("Starting MQTT Client"); MQTTPacket_connectData data = MQTTPacket_connectData_initializer; data.MQTTVersion = 3; data.clientID.cstring = MqttClientId; rc = client.connect(data); printf("MQTT Client: %s\n", (rc == 0) ? "Connected" : "Failed"); while(rc == 0){ MQTT::Message message; // QoS 0 char buf[100]; sprintf(buf, "Hello World!"); message.qos = MQTT::QOS0; message.retained = false; message.dup = false; message.payload = (void*)buf; message.payloadlen = strlen(buf)+1; rc = client.publish(MqttTopic, message); Thread::wait(5000); } } // It is good practice to close the socket eth.disconnect(); }