Diff: HumanPosition.h

Revision:

3:0a6e4d139b86

Parent:

1:dacf7db790f6

--- a/HumanPosition.h	Wed Apr 30 05:55:41 2014 +0000
+++ b/HumanPosition.h	Wed Apr 30 12:25:47 2014 +0000
@@ -101,6 +101,7 @@
 
 void sendPosition(void const *)
 {
+    // temp variables
     int x = 0;
     int y = 0;
     char a = 0;
@@ -112,31 +113,37 @@
     x = (int) x_position;
     y = (int) y_position;
 
-    // send current xy position to cpu bot
     pc.printf("Sending: %d %d...\n\r", x, y);
+    
+    // break down x coordinate by byte
     a = x >> 24;
     b = x >> 16;
     c = x >> 8;
     d = x;
-    // pc.printf("\ta: %x b: %x\n\r", a, b);
+    
+    // put each byte on the buffer
     xbee.putc('x');
-    xbee.putc(a);   // send upper bits
-    xbee.putc(b);   // send lower bits
+    xbee.putc(a);   
+    xbee.putc(b); 
     xbee.putc(c);
     xbee.putc(d);
 
+    // break down y coordinate by byte
     a = y >> 24;
     b = y >> 16;
     c = y >> 8;
     d = y;
-    //pc.printf("\ta: %x b: %x\n\r", a, b);
+  
+    // put each byte on the buffer
     xbee.putc('y');
-    xbee.putc(a);   // send upper bits
-    xbee.putc(b);   // send lower bits
+    xbee.putc(a); 
+    xbee.putc(b); 
     xbee.putc(c);
     xbee.putc(d);
 
     pc.printf("Send complete.\n\r");
+    
+    // wait for a possible game over response
     wait(0.25);
     if(xbee.readable() && xbee.getc() == 'd') {
         gameOver = true;