the code of obtain senor data and connect to MQTT

Dependencies:   C12832 EthernetInterface MMA7660 MQTT USBDevice mbed-rtos mbed

Fork of HelloMQTT by MQTT

Files at this revision

API Documentation at this revision

Comitter:
co838_pg297
Date:
Mon May 09 20:46:07 2016 +0000
Parent:
19:7f7aba7a4a8b
Commit message:
the code of obtain senor data and connect to MQTT

Changed in this revision

MMA7660.lib Show annotated file Show diff for this revision Revisions of this file
USBDevice.lib Show annotated file Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MMA7660.lib	Mon May 09 20:46:07 2016 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/Sissors/code/MMA7660/#36a163511e34
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/USBDevice.lib	Mon May 09 20:46:07 2016 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/USBDevice/#d17693b10ae6
--- a/main.cpp	Thu Jul 30 13:49:18 2015 +0000
+++ b/main.cpp	Mon May 09 20:46:07 2016 +0000
@@ -1,31 +1,4 @@
-/*******************************************************************************
- * 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
- * and Eclipse Distribution License v1.0 which accompany this distribution.
- *
- * The Eclipse Public License is available at
- *    http://www.eclipse.org/legal/epl-v10.html
- * and the Eclipse Distribution License is available at
- *   http://www.eclipse.org/org/documents/edl-v10.php.
- *
- * Contributors:
- *    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
-  access to system interfaces for networking and timing.  As long as these two
-  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
@@ -50,6 +23,11 @@
 
 #include "MQTTEthernet.h"
 #include "MQTTClient.h"
+#include "USBSerial.h"
+#include "C12832.h"
+#include "MMA7660.h"
+
+MMA7660 MMA(D14, D15);
 
 int arrivedcount = 0;
 
@@ -63,17 +41,33 @@
 }
 
 
-int main(int argc, char* argv[])
+int main(int argc, char* argv[],float c,float ang)
 {   
+    lcd.cls();
+    lcd.locate(0,3);
+    printf("mbed application shield!");
+    
+
+
+    while(1) {
+        wait(0.1f);
+        lcd.locate(0,14);
+        float c=MMA.y()/MMA.z();
+         float ang=pow(c,(-1));
+            printf("%.2f,%.2f,%.2f",MMA.x(),MMA.y(),MMA.z());
+            printf("%.2f",ang);
+      
+    }
+    if (ang<=-1){
     MQTTEthernet ipstack = MQTTEthernet();
     float version = 0.5;
-    char* topic = "mbed-sample";
+    char* topic = "door";
     
     printf("HelloMQTT: version is %f\n", version);
               
     MQTT::Client<MQTTEthernet, Countdown> client = MQTT::Client<MQTTEthernet, Countdown>(ipstack);
     
-    char* hostname = "m2m.eclipse.org";
+    char* hostname = "doughnut.kent.ac.uk";
     int port = 1883;
     printf("Connecting to %s:%d\n", hostname, port);
     int rc = ipstack.connect(hostname, port);
@@ -95,7 +89,7 @@
 
     // QoS 0
     char buf[100];
-    sprintf(buf, "Hello World!  QoS 0 message from app version %f\n", version);
+    sprintf(buf, "door opened %f\n", version);
     message.qos = MQTT::QOS0;
     message.retained = false;
     message.dup = false;
@@ -105,21 +99,7 @@
     while (arrivedcount < 1)
         client.yield(100);
         
-    // QoS 1
-    sprintf(buf, "Hello World!  QoS 1 message from app version %f\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);
-    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);
@@ -133,3 +113,4 @@
     
     return 0;
 }
+}