Diff: main.cpp

Revision:

5:f81113cbe930

Parent:

3:aad64a4b6ff6

Child:

6:735d5412de0d

--- a/main.cpp	Wed May 27 08:11:32 2015 +0000
+++ b/main.cpp	Wed May 27 15:17:54 2015 +0000
@@ -1,9 +1,12 @@
-/** Beispiel HTTP GET
+/** Beispiel Abfrage Yahoo Weather fuer Zuerich
  */
 #include "mbed.h"
 #include "HTTPClient.h"
 #include "HTTPText.h"
 #include "EthernetInterface.h"
+#include "spdomparser.hpp"
+#include "spxmlnode.hpp"
+#include "spxmlhandle.hpp"
 
 EthernetInterface eth;
 // HTTPClient Hilfsklasse
@@ -15,25 +18,39 @@
 
 int main()
 {
-    printf("HTTP Client - GET\n");
+    printf("\tYahoo Weather\n");
     eth.init();
     eth.connect();
 
     while(1) 
     {
         myled = 1;
-        int ret = http.get("http://developer.mbed.org/media/uploads/mbed_official/hello.txt", message, sizeof(message));
+        // Yahoo Weather fuer Zuerich
+        int ret = http.get("http://weather.yahooapis.com/forecastrss?w=784794&u=c", message, sizeof(message));
         if ( !ret ) 
         {
-            printf("Success - read %d characters.\r\n", strlen(message));
-            printf("%s\r\n", message);
-        }
+            // XML Parser
+            SP_XmlDomParser parser;
+            // char[] bzw. XML parsen
+            parser.append( message, strlen( message ) );
+            SP_XmlHandle rootHandle( parser.getDocument()->getRootElement() );
+            SP_XmlElementNode * node = rootHandle.getChild( "channel" ).toElement();
+
+            SP_XmlHandle handle(node);
+            SP_XmlElementNode * condition = handle.getChild( "item" ).getChild("yweather:condition").toElement();
+            // Allgemeine Lage, Sonnig, Bewoelkt etc.
+            printf( "%s, ", condition->getAttrValue("text") );
+            // Temperatur in Celsius
+            printf( "%sC, ", condition->getAttrValue("temp") );
+            // Datum und Zeit letzte Aktualisierung
+            printf( "%s\n", condition->getAttrValue("date") );
+        } 
         else
             printf("Error - ret = %d - HTTP return code = %d\n", ret, http.getHTTPResponseCode());
-        
+
         myled = 0;
 
         wait(10);
     }
-    eth.disconnect();
+    //eth.disconnect();
 }