Work in progress MQTT example program on top of mbed OS 5
Fork of HelloMQTT by
Diff: main.cpp
- Revision:
- 7:3de634f2d40c
- Parent:
- 5:4a257f6ac09a
- Parent:
- 6:e4c690c45021
- Child:
- 8:a3e3113054a1
diff -r 4a257f6ac09a -r 3de634f2d40c main.cpp --- a/main.cpp Fri May 09 23:06:43 2014 +0000 +++ b/main.cpp Sun May 11 19:17:05 2014 +0000 @@ -45,34 +45,12 @@ lcd.puts((char*)message->payload); } -int connect(MQTT::Client<IPStack, Countdown>::connectionLostInfo* info) -{ - char* hostname = "m2m.eclipse.org"; - int port = 1883; - - lcd.cls(); - lcd.locate(0,3); - lcd.printf("%s:%d\n", hostname, port); - printf("Connecting to %s:%d\n", hostname, port); - int rc = info->network->connect(hostname, port); - lcd.printf("TCP connect = %d\n", rc); - printf("rc from TCP connect is %d\n", rc); - - MQTTPacket_connectData data = MQTTPacket_connectData_initializer; - data.MQTTVersion = 3; - data.clientID.cstring = "mbed-icraggs"; - rc = info->client->connect(&data); - lcd.printf("MQTT connect = %d\n", rc); - printf("rc from MQTT connect is %d\n", rc); - - return rc; -} int main(int argc, char* argv[]) { IPStack ipstack = IPStack(); - float version = 0.3; + float version = 0.43; char* topic = "mbed-sample"; lcd.printf("Version is %f\n", version); @@ -80,10 +58,19 @@ MQTT::Client<IPStack, Countdown> client = MQTT::Client<IPStack, Countdown>(ipstack); - client.setConnectionLostHandler(connect); - - MQTT::Client<IPStack, Countdown>::connectionLostInfo info = {&client, &ipstack}; - int rc = connect(&info); + char* hostname = "m2m.eclipse.org"; + int port = 1883; + lcd.printf("Connecting to %s:%d\n", hostname, port); + int rc = ipstack.connect(hostname, port); + if (rc != 0) + lcd.printf("rc from TCP connect is %d\n", rc); + + MQTTPacket_connectData data = MQTTPacket_connectData_initializer; + data.MQTTVersion = 3; + data.clientID.cstring = "mbed-icraggs"; + rc = client.connect(&data); + if (rc != 0) + lcd.printf("rc from MQTT connect is %d\n", rc); rc = client.subscribe(topic, MQTT::QOS1, messageArrived); if (rc != 0) {