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:
20:49c9daf2b0ff
Parent:
19:7f7aba7a4a8b
Child:
21:a68bd76740f9
--- a/main.cpp	Thu Jul 30 13:49:18 2015 +0000
+++ b/main.cpp	Tue Jan 10 18:10:17 2017 -0600
@@ -14,7 +14,7 @@
  *    Ian Craggs - initial API and implementation and/or initial documentation
  *    Ian Craggs - make sure QoS2 processing works, and add device headers
  *******************************************************************************/
- 
+
  /**
   This is a sample program to illustrate the use of the MQTT Client library
   on the mbed platform.  The Client class requires two classes which mediate
@@ -22,33 +22,31 @@
   classes provide the required public programming interfaces, it does not matter
   what facilities they use underneath. In this program, they use the mbed
   system libraries.
- 
+
  */
- 
+
  // change this to 0 to output messages to serial instead of LCD
 #define USE_LCD 1
 
 #if USE_LCD
 #include "C12832.h"
 
-#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
+// the actual pins are defined in mbed_app.json and can be overridden per target
+C12832 lcd(LCD_MOSI, LCD_SCK, LCD_MISO, LCD_A0, LCD_NCS);
 
-#define printf lcd.cls();lcd.printf
+#define logMessage lcd.cls();lcd.printf
+
+#else
+
+#define logMessage printf
 
 #endif
 
 #define MQTTCLIENT_QOS2 1
 
-#include "MQTTEthernet.h"
+#include "easy-connect.h"
+#include "MQTTNetwork.h"
+#include "MQTTmbed.h"
 #include "MQTTClient.h"
 
 int arrivedcount = 0;
@@ -57,45 +55,51 @@
 void messageArrived(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("Payload %.*s\n", message.payloadlen, (char*)message.payload);
+    logMessage("Message arrived: qos %d, retained %d, dup %d, packetid %d\r\n", message.qos, message.retained, message.dup, message.id);
+    logMessage("Payload %.*s\r\n", message.payloadlen, (char*)message.payload);
     ++arrivedcount;
 }
 
 
 int main(int argc, char* argv[])
-{   
-    MQTTEthernet ipstack = MQTTEthernet();
-    float version = 0.5;
+{
+    float version = 0.6;
     char* topic = "mbed-sample";
-    
-    printf("HelloMQTT: version is %f\n", version);
-              
-    MQTT::Client<MQTTEthernet, Countdown> client = MQTT::Client<MQTTEthernet, Countdown>(ipstack);
-    
-    char* hostname = "m2m.eclipse.org";
+
+    logMessage("HelloMQTT: version is %.2f\r\n", version);
+
+    NetworkInterface* network = easy_connect(true);
+    if (!network) {
+        return -1;
+    }
+
+    MQTTNetwork mqttNetwork(network);
+
+    MQTT::Client<MQTTNetwork, Countdown> client = MQTT::Client<MQTTNetwork, Countdown>(mqttNetwork);
+
+    const char* hostname = "m2m.eclipse.org";
     int port = 1883;
-    printf("Connecting to %s:%d\n", hostname, port);
-    int rc = ipstack.connect(hostname, port);
+    logMessage("Connecting to %s:%d\r\n", hostname, port);
+    int rc = mqttNetwork.connect(hostname, port);
     if (rc != 0)
-        printf("rc from TCP connect is %d\n", rc);
- 
-    MQTTPacket_connectData data = MQTTPacket_connectData_initializer;       
+        logMessage("rc from TCP connect is %d\r\n", rc);
+
+    MQTTPacket_connectData data = MQTTPacket_connectData_initializer;
     data.MQTTVersion = 3;
     data.clientID.cstring = "mbed-sample";
     data.username.cstring = "testuser";
     data.password.cstring = "testpassword";
     if ((rc = client.connect(data)) != 0)
-        printf("rc from MQTT connect is %d\n", rc);
-    
+        logMessage("rc from MQTT connect is %d\r\n", rc);
+
     if ((rc = client.subscribe(topic, MQTT::QOS2, messageArrived)) != 0)
-        printf("rc from MQTT subscribe is %d\n", rc);
+        logMessage("rc from MQTT subscribe is %d\r\n", rc);
 
     MQTT::Message message;
 
     // QoS 0
     char buf[100];
-    sprintf(buf, "Hello World!  QoS 0 message from app version %f\n", version);
+    sprintf(buf, "Hello World!  QoS 0 message from app version %f\r\n", version);
     message.qos = MQTT::QOS0;
     message.retained = false;
     message.dup = false;
@@ -104,32 +108,32 @@
     rc = client.publish(topic, message);
     while (arrivedcount < 1)
         client.yield(100);
-        
+
     // QoS 1
-    sprintf(buf, "Hello World!  QoS 1 message from app version %f\n", version);
+    sprintf(buf, "Hello World!  QoS 1 message from app version %f\r\n", version);
     message.qos = MQTT::QOS1;
     message.payloadlen = strlen(buf)+1;
     rc = client.publish(topic, message);
     while (arrivedcount < 2)
         client.yield(100);
-        
+
     // QoS 2
-    sprintf(buf, "Hello World!  QoS 2 message from app version %f\n", version);
+    sprintf(buf, "Hello World!  QoS 2 message from app version %f\r\n", version);
     message.qos = MQTT::QOS2;
     message.payloadlen = strlen(buf)+1;
     rc = client.publish(topic, message);
     while (arrivedcount < 3)
         client.yield(100);
-            
+
     if ((rc = client.unsubscribe(topic)) != 0)
-        printf("rc from unsubscribe was %d\n", rc);
-    
+        logMessage("rc from unsubscribe was %d\r\n", rc);
+
     if ((rc = client.disconnect()) != 0)
-        printf("rc from disconnect was %d\n", rc);
-    
-    ipstack.disconnect();
-    
-    printf("Version %.2f: finish %d msgs\n", version, arrivedcount);
-    
+        logMessage("rc from disconnect was %d\r\n", rc);
+
+    mqttNetwork.disconnect();
+
+    logMessage("Version %.2f: finish %d msgs\r\n", version, arrivedcount);
+
     return 0;
 }