Diff: main.cpp

Revision:

1:182ff6aef029

Parent:

0:582c6436e759

--- a/main.cpp	Tue Apr 24 02:27:43 2012 +0000
+++ b/main.cpp	Wed Mar 06 01:16:25 2013 +0000
@@ -8,20 +8,22 @@
 EthernetNetIf eth;
 HTTPClient http;
 HTTPResult result;
+PwmOut speaker(p21);
 bool completed = false;
-void request_callback(HTTPResult r) {
+void request_callback(HTTPResult r)
+{
     result = r;
     completed = true;
 }
 
-int main() {
+int main()
+{
+    //while(1) {
     char *tstartXML = "<title>"; //RSS XML start title
     char *tendXML ="</title>"; //RSS XML end title
     char *tsptr;
     char *teptr;
-    int i=0,j=0;
-    // the eth and HTTP code has be taken directly from the HTTPStream documentation page
-    // see http://mbed.org/cookbook/HTTP-Client-Data-Containers
+    int i=0,j=0,t=0,c=0,d=0;
     lcd.cls();
     lcd.printf("net setup");
     EthernetErr ethErr = eth.setup();
@@ -34,8 +36,9 @@
     char BigBuf[2048 + 1] = {0};
     stream.readNext((byte*)BigBuf, 2048); //Point to buffer for the first read
     //CNN Tech News RSS Feed - get web page with XML
-    HTTPResult r = http.get("HTTP://rss.cnn.com/rss/cnn_tech.rss", &stream, request_callback);
+    HTTPResult r = http.get("http://alerts.weather.gov/cap/wwaatmget.php?x=GAC121&y=0", &stream, request_callback);
     while (!completed) {
+        c=0;
         Net::poll(); // Polls the Networking stack
         if (stream.readable()) { // check for end of file
             BigBuf[stream.readLen()] = 0; // Transform this buffer in a zero-terminated char* string
@@ -52,25 +55,48 @@
                         lcd.cls(); // clear screen before writing a new line
                         // loop to output a line on the LCD
                         for (i=0; ((i<16)&&(tsptr[i+j-1] != '<')); i++) {
+                            c++;
+                        }
+                        i=0;
+                        if (t>0 && c> 51 && d==0 && c!=108) {
+                            speaker.period(1.0/500.0); // 500hz period
+                            speaker =0.5; //50% duty cycle - max volume
+                            wait(2.5);
+                            speaker=0.0; // turn off audio
+                            wait(1);
+                            speaker =0.5; //50% duty cycle - max volume
+                            wait(2.5);
+                            speaker=0.0; // turn off audio
+                            wait(1);
+                            i=0;
+                            d=1;
+                        }
+                        for (i=0; ((i<16)&&(tsptr[i+j-1] != '<')); i++) {
                             lcd.putc(tsptr[i+j]);
                         }
                         if (j==0) wait(1.2); //add first line delays for scroll timing
-                        wait(.2); //delay for charcter scroll timing
+                        wait(.25); //delay for charcter scroll timing
                     }
                     wait(.4);
                     lcd.cls(); //clear LCD between news items
                     wait(.2);
+
                 }
+
             } while (tsptr!=NULL); // No more "<title>"s in BigBuf to display
             stream.readNext((byte*)BigBuf, 2048); //Buffer has been read, now we can put more data in it
+            c=0;
+            t++;
         }
     }
     lcd.cls();
     if (result == HTTP_OK) {
         lcd.cls();
         lcd.printf(" Read complete\n\r");
+
     } else {
         lcd. printf(" Error %d\n", result);
         return -1;
     }
+    // }
 }