Diff: main.cpp

Revision:

18:76d0899bc3ce

Parent:

17:92a64d43ee61

Child:

19:cff20f14096e

--- a/main.cpp	Fri Jun 05 15:15:24 2015 +0000
+++ b/main.cpp	Tue Jun 09 17:57:43 2015 +0000
@@ -30,19 +30,20 @@
 
 int arrivedcount = 0;
 
-
-void messageArrived(MQTT::MessageData& md)
+// callback for subscribe topic
+void subscribeCallback(MQTT::MessageData& md)
 {
     MQTT::Message &message = md.message;
-    printf("Message arrived: qos %d, retained %d, dup %d, packetid %d\n", message.qos, message.retained, message.dup, message.id);
+    printf("Message received: qos %d, retained %d, dup %d, packetid %d\n", message.qos, message.retained, message.dup, message.id);
     printf("Payload %.*s\n", message.payloadlen, (char*)message.payload);
     ++arrivedcount;
 }
 
+// main function that sets up the subscription and makes a couple publishes
 int main(int argc, char* argv[])
 {
     printf("Starting\n");
-    MQTTESP8266 ipstack(D1, D0, D10, "ssid", "password");
+    MQTTESP8266 ipstack(D1, D0, D10, "demossid","passphrase"); // change to match your wifi access point
     float version = 0.47;
     char* topic = "mbed-sample";
 
@@ -50,7 +51,7 @@
 
     MQTT::Client<MQTTESP8266, Countdown> client = MQTT::Client<MQTTESP8266, Countdown>(ipstack);
 
-    char* hostname = "192.168.1.20";
+    char* hostname = "85.119.83.194"; // test.mosquitto.org
     int port = 1883;
     int rc = ipstack.connect(hostname, port);
     if (rc != 0)
@@ -58,14 +59,14 @@
 
     MQTTPacket_connectData data = MQTTPacket_connectData_initializer;
     data.MQTTVersion = 3;
-    data.clientID.cstring = "mbed-sample";
+    data.clientID.cstring = "mbed-clientID";
     data.username.cstring = "testuser";
     data.password.cstring = "testpassword";
     if ((rc = client.connect(data)) != 0)
         printf("rc from MQTT connect is %d\n", rc);
 
-    if ((rc = client.subscribe("mbed-sample", MQTT::QOS1, messageArrived)) != 0)
-        printf("rc from MQTT subscribe is %d\n", rc);
+    if ((rc = client.subscribe(topic, MQTT::QOS1, subscribeCallback)) != 0)
+        printf("Recv'd from MQTT subscribe is %d\n", rc);
 
     MQTT::Message message;