Diff: main.cpp

Revision:

2:4995292ee59f

Parent:

1:6582c095e8d1

--- a/main.cpp	Thu Oct 06 00:55:26 2011 +0000
+++ b/main.cpp	Fri Sep 14 01:21:05 2018 +0000
@@ -1,15 +1,10 @@
 #include "mbed.h"
 
 DigitalOut myled(LED1);
-DigitalOut myled2(LED2);
-DigitalOut myled3(LED3);
-DigitalOut myled4(LED4);
+InterruptIn pb(p8,PullNone);
+Serial pc(USBTX, USBRX);
 
-InterruptIn pb(p8);
-// SPST Pushbutton count demo using interrupts
-// no external PullUp resistor needed
-// Pushbutton from P8 to GND.
-// A pb hit generates an interrupt and activates the interrupt routine
+
 
 // Global count variable
 int volatile count=0;
@@ -17,22 +12,16 @@
 // pb Interrupt routine - is interrupt activated by a falling edge of pb input
 void pb_hit_interrupt (void) {
     count++;
-    myled4 = count & 0x01;
-    myled3 = (count & 0x02)>>1;
-    myled2 = (count & 0x04)>>2;
 }
 
 int main() {
-    // Use internal pullup for pushbutton
-    pb.mode(PullUp);
-    // Delay for initial pullup to take effect
-    wait(.01);
-    // Attach the address of the interrupt handler routine for pushbutton
+    wait(0.01);
+    pc.printf("Hello Deboucing \r\n");
+    
     pb.fall(&pb_hit_interrupt);
-    // Blink myled in main routine forever while responding to pb changes
-    // via interrupts that activate pb_hit_interrupt routine
+    
     while (1) {
         myled = !myled;
-        wait(.5);
+        wait(0.5);
     }
 }
\ No newline at end of file