Revision 1:6c7f14195903, committed 2014-09-03

Comitter:

homayoun

Date:

Wed Sep 03 12:38:24 2014 +0000

Parent:

0:7a20a6aa1f5e

Commit message:

Arduino_StateChangeDetection_Interrupt

Changed in this revision

--- a/main.cpp	Fri Feb 15 15:13:19 2013 +0000
+++ b/main.cpp	Wed Sep 03 12:38:24 2014 +0000
@@ -1,17 +1,41 @@
 #include "mbed.h"
- 
-InterruptIn button(p5);
+
+InterruptIn button(USER_BUTTON);
+Serial pc(SERIAL_TX, SERIAL_RX);
 DigitalOut led(LED1);
-DigitalOut flash(LED4);
- 
-void flip() {
-    led = !led;
+int buttonPushCounter = 0;   // counter for the number of button presses
+
+void buttonPressed()
+{  
+    buttonPushCounter++;
+    
+    if (buttonPushCounter % 4 == 0) led = 1;
+    else led = 0;
+    
+    pc.printf("number of button pushes: %d.\n", buttonPushCounter);
+}
+
+void buttonReleased()
+{
+    
 }
- 
-int main() {
-    button.rise(&flip);  // attach the address of the flip function to the rising edge
-    while(1) {           // wait around, interrupts will interrupt this!
-        flash = !flash;
-        wait(0.25);
-    }
+
+void setup()
+{
+    button.mode(PullUp);
+    pc.baud(9600);
+    button.rise(&buttonReleased);  // attach the address of the buttonReleased function to the rising edge
+    button.fall(&buttonPressed);  // attach the address of the buttonPressed function to the falling edge
+}
+
+void loop()
+{
+    // put your main code here, to run repeatedly:
+
+}
+
+int main()
+{
+    setup();
+    while(1) loop();
 }
\ No newline at end of file

--- a/mbed.bld	Fri Feb 15 15:13:19 2013 +0000
+++ b/mbed.bld	Wed Sep 03 12:38:24 2014 +0000
@@ -1,1 +1,1 @@
-http://mbed.org/users/mbed_official/code/mbed/builds/0954ebd79f59
\ No newline at end of file
+http://mbed.org/users/mbed_official/code/mbed/builds/9327015d4013
\ No newline at end of file