Simple modification to pachube example to allow easy talking to thingspeak database using http commands

Dependencies:   EthernetNetIf mbed

Files at this revision

API Documentation at this revision

Comitter:
ohararp
Date:
Fri Feb 04 19:52:42 2011 +0000
Commit message:
thing_speak_a

Changed in this revision

EthernetNetIf.lib Show annotated file Show diff for this revision Revisions of this file
HTTPClient.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
mbed.bld Show annotated file Show diff for this revision Revisions of this file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/EthernetNetIf.lib	Fri Feb 04 19:52:42 2011 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mamezu/code/EthernetNetIf/#0f6c82fcde82
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/HTTPClient.lib	Fri Feb 04 19:52:42 2011 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/donatien/code/HTTPClient/#d0be6af2d1db
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Feb 04 19:52:42 2011 +0000
@@ -0,0 +1,79 @@
+#include "mbed.h"
+#include "EthernetNetIf.h"
+#include "HTTPClient.h"
+#include <string> 
+
+
+EthernetNetIf eth; 
+HTTPClient http;
+
+// Ethernet LED's
+DigitalOut RED(p29);
+DigitalOut YEL(p30);
+
+  
+int main() {
+
+    printf("Start\n");
+    RED = !RED; YEL = !YEL;
+    
+    printf("\r\nSetting up...\r\n");
+    RED = !RED; YEL=!YEL;
+    
+    EthernetErr ethErr = eth.setup();
+    RED = !RED; YEL=!YEL;
+    
+    if(ethErr)
+    {
+    printf("Error %d in setup.\n", ethErr);
+    return -1;
+    }
+    printf("\r\nSetup OK\r\n");
+    RED = !RED; YEL=!YEL;
+    
+    HTTPText txt;
+    RED = !RED; YEL=!YEL;
+     
+    int idx = 0;
+    
+    while(idx < 5) {
+    
+        printf("\r\n idx = %d \r\n",idx);
+    
+        // copy API key from settings
+        char apiKey[17]= "L6MA5ZGH3WPSDALA";
+        printf("apiKey = %s \r\n",apiKey); 
+        
+        // use feed ID
+        char fieldID[8]= "field1";
+        printf("fieldID = %s \r\n",fieldID); 
+        
+        // Send data based on the loop idx - this example is 0-4
+        char data[10];
+        sprintf(data,"%d",idx*10);
+        printf("data = %s \r\n",data);
+    	
+    	// uri for post includes feed ID
+        char uri[256];
+        sprintf(uri,"%s%s&%s=%s","http://api.thingspeak.com/update?key=",apiKey,fieldID,data); 
+        printf("uri = %s \r\n",uri); 
+                                 
+        // result should =  - "http://api.thingspeak.com/update?key=L6MA5ZGH3WPSDALA&field1=26"
+        HTTPResult r = http.get(uri, &txt);
+        RED = !RED; YEL=!YEL;
+            
+        if(r==HTTP_OK)
+            {
+            printf("Result :\"%s\"\n", txt.gets()); 
+            }
+            else
+            {
+            printf("Error %d\n", r);
+            }
+        RED = !RED; YEL=!YEL;
+               
+        wait(60); //wait 60 seconds
+        idx = idx + 1;
+    }
+ 
+}
\ No newline at end of file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Fri Feb 04 19:52:42 2011 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/9a9732ce53a1