Simple demo with GPIO MQTT protocol test on STM32 broker tests.mosquitto.org WIFI interface ESP8266 Issue of topic0 by pressing the button If reception of ', switching of the led If received from 'q' end of program

Dependencies:   MQTT

Revision:
17:0811bdbdd78a
Parent:
16:28d062c5522b
Child:
18:07a79d8f01c3
--- a/main.cpp	Mon Oct 06 11:42:25 2014 +0000
+++ b/main.cpp	Mon Jul 27 09:16:08 2015 +0000
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2014 IBM Corp.
+ * Copyright (c) 2014, 2015 IBM Corp.
  *
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
@@ -12,6 +12,7 @@
  *
  * Contributors:
  *    Ian Craggs - initial API and implementation and/or initial documentation
+ *    Ian Craggs - make sure QoS2 processing works, and add device headers
  *******************************************************************************/
  
  /**
@@ -24,9 +25,20 @@
  
  */
 
+#include "C12832.h"
 
-#include "C12832.h"
-C12832 lcd(p5, p7, p6, p8, p11);
+#if defined(TARGET_UBLOX_C027)
+#warning "Compiling for mbed C027"
+#include "C027.h"
+#elif defined(TARGET_LPC1768)
+#warning "Compiling for mbed LPC1768"
+#include "LPC1768.h"
+#elif defined(TARGET_K64F)
+#warning "Compiling for mbed K64F"
+#include "K64F.h"
+#endif
+
+#define MQTTCLIENT_QOS2 1
 
 #include "MQTTEthernet.h"
 #include "MQTTClient.h"
@@ -37,11 +49,10 @@
 void messageArrived(MQTT::MessageData& md)
 {
     MQTT::Message &message = md.message;
-    lcd.cls();
-    lcd.locate(0,3);
     printf("Message arrived: 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;
+    lcd.cls();
     lcd.puts((char*)message.payload);
 }
 
@@ -49,20 +60,24 @@
 int main(int argc, char* argv[])
 {   
     MQTTEthernet ipstack = MQTTEthernet();
-    float version = 0.47;
+    float version = 0.5;
     char* topic = "mbed-sample";
     
-    lcd.printf("Version is %f\n", version);
-    printf("Version is %f\n", version);
+    lcd.cls();
+    lcd.printf("HelloMQTT: version is %f\n", version);
               
     MQTT::Client<MQTTEthernet, Countdown> client = MQTT::Client<MQTTEthernet, Countdown>(ipstack);
     
     char* hostname = "m2m.eclipse.org";
     int port = 1883;
+    lcd.cls();
     lcd.printf("Connecting to %s:%d\n", hostname, port);
     int rc = ipstack.connect(hostname, port);
     if (rc != 0)
+    {
+        lcd.cls(); 
         lcd.printf("rc from TCP connect is %d\n", rc);
+    }
  
     MQTTPacket_connectData data = MQTTPacket_connectData_initializer;       
     data.MQTTVersion = 3;
@@ -70,10 +85,16 @@
     data.username.cstring = "testuser";
     data.password.cstring = "testpassword";
     if ((rc = client.connect(data)) != 0)
+    {
+        lcd.cls();
         lcd.printf("rc from MQTT connect is %d\n", rc);
+    }
     
     if ((rc = client.subscribe(topic, MQTT::QOS1, messageArrived)) != 0)
+    {
+        lcd.cls();
         lcd.printf("rc from MQTT subscribe is %d\n", rc);
+    }
 
     MQTT::Message message;
 
@@ -104,30 +125,23 @@
     rc = client.publish(topic, message);
     while (arrivedcount < 3)
         client.yield(100);
-        
-    // n * QoS 2
-    for (int i = 1; i <= 10; ++i)
+            
+    if ((rc = client.unsubscribe(topic)) != 0)
     {
-        sprintf(buf, "Hello World!  QoS 2 message number %d from app version %f\n", i, version);
-        message.qos = MQTT::QOS2;
-        message.payloadlen = strlen(buf)+1;
-        rc = client.publish(topic, message);
-        while (arrivedcount < i + 3)
-            client.yield(100);
+        lcd.cls();
+        lcd.printf("rc from unsubscribe was %d\n", rc);
     }
     
-    if ((rc = client.unsubscribe(topic)) != 0)
-        printf("rc from unsubscribe was %d\n", rc);
-    
     if ((rc = client.disconnect()) != 0)
-        printf("rc from disconnect was %d\n", rc);
+    {
+        lcd.cls();
+        lcd.printf("rc from disconnect was %d\n", rc);
+    }
     
     ipstack.disconnect();
     
     lcd.cls();
-    lcd.locate(0,3);
     lcd.printf("Version %.2f: finish %d msgs\n", version, arrivedcount);
-    printf("Finishing with %d messages received\n", arrivedcount);
     
     return 0;
 }