smd.iotkit2.ch / Mbed 2 deprecated HTTP_POST_ThinkSpeak

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Dependencies:   EthernetInterface TMP175 mbed-rtos mbed

Fork of 2-07-04-Uebung by smd.iotkit2.ch

Diff: main.cpp

Revision:
12:61e1c14db87f
Parent:
11:4822e060bf3d
--- a/main.cpp	Thu Jun 18 06:23:06 2015 +0000
+++ b/main.cpp	Mon Nov 30 08:15:32 2015 +0000
@@ -1,4 +1,4 @@
-/** 7.4 Sensordaten schreiben via HTTP POST
+/** Schreiben von Sensoredaten auf die IoT Data Plattform ThinkSpeak
 */
 #include "mbed.h"
 #include "HTTPClient.h"
@@ -12,6 +12,10 @@
 // I/O Buffer
 char str[512];
 
+/** ThingSpeak URL und API Key ggf. anpassen */
+char host[] = "http://iot:32600/update";
+char key[] = "FIJRKLFLZIYV72MD";
+
 // Sensoren
 AnalogIn poti  ( A0 );
 AnalogIn light ( A1 );
@@ -52,13 +56,14 @@
         
         // MAP (Argument=Wert) 
         HTTPMap map;
-        map.put( "poti", ftoa( 0, poti.read() ) );
-        map.put( "light", ftoa(1, light.read() ) );
-        map.put( "hall", ftoa( 2, hall.read() ) );
-        map.put( "temp", ftoa( 3, temp.fReadTemperatureTMP175() ) );
+        map.put( "key", key );
+        map.put( "field1", ftoa( 0, poti.read() ) );
+        map.put( "field2", ftoa(1, light.read() ) );
+        map.put( "field3", ftoa( 2, hall.read() ) );
+        map.put( "field4", ftoa( 3, temp.fReadTemperatureTMP175() ) );
         
         // lokale Variante mit CGI-Script auf Raspberry Pi. Wenn nicht Funktioniert: raspi2x durch IP-Adresse ersetzen
-        int ret = http.post("http://raspi2x/cgi-bin/rest", map, &inText);
+        int ret = http.post( host, map, &inText );
         if ( ! ret ) 
         {
             printf("Executed POST successfully - read %d characters\n", strlen(str));