Diff: main.cpp

Revision:

2:bd1893295536

Parent:

1:dd2f972ef479

--- a/main.cpp	Sat Feb 01 23:58:09 2014 +0000
+++ b/main.cpp	Sun Feb 02 02:08:24 2014 +0000
@@ -1,13 +1,13 @@
 #include "mbed.h"
 #include "PinDetect.h"
 
-// Hi Mohammed, I am testing the commit system
-
 DigitalOut myled(PTD5);
 DigitalOut myled1(PTE29);
 
 //DigitalIn enable(PTC3);
 //InterruptIn button(PTC3);
+//construct an object called button that represents one of the pins
+//constructor requires a pin name: PTC3 in this case
 PinDetect button(PTC3);
 Serial pc(USBTX,USBRX);
 
@@ -23,13 +23,26 @@
     myled1 = 0;
     button.mode(PullUp);
     wait(.001);
+    // interrupt 
     button.attach_deasserted(&flip);
     button.setSampleFrequency();
     
     char buffer[128];
     
-    while(1) {
-        pc.gets(buffer,4);
-        pc.printf("i got '%s'\r\n",buffer);        
+    while(1) 
+    {
+        // read in every character
+        pc.gets(buffer, 2);
+        // check if carriage return is pressed
+        if((int)buffer[0] == 13)
+        {
+            // print return and new line
+            pc.puts("\r\n");
+        }
+        else
+        {
+            // otherwise just print the character that was typed
+            pc.puts(buffer);
+        }
     }
 }