Important changes to repositories hosted on mbed.com
Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.
To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.
It is also possible to export all your personal repositories from the account settings page.
Diff: main.cpp
- Revision:
- 2:535d154caa12
- Parent:
- 1:768b8bd42e33
diff -r 768b8bd42e33 -r 535d154caa12 main.cpp
--- a/main.cpp Tue Jan 29 02:34:03 2013 +0000
+++ b/main.cpp Tue Nov 12 10:16:26 2019 +0000
@@ -4,12 +4,12 @@
// URL: http://mbed.org/users/AjK/libraries/PinDetect/lkyxpw
DigitalOut myled(LED1);
-DigitalOut myled2(LED2);
-DigitalOut myled3(LED3);
-DigitalOut myled4(LED4);
+DigitalOut myled2(LED5);
+DigitalOut myled3(LED4);
+DigitalOut myled4(LED3);
-PinDetect pb1(p8);
-PinDetect pb2(p7);
+PinDetect pb1(P0_4);
+//PinDetect pb2(p7);
// SPST Pushbutton debounced count demo using interrupts and callback
// no external PullUp resistor needed
// Pushbutton from P8 to GND.
@@ -18,35 +18,36 @@
// after the switch is debounced
// Global count variable
-int volatile count=0;
+int volatile countit=0;
// Callback routine is interrupt activated by a debounced pb1 hit
void pb1_hit_callback (void) {
- count++;
- myled4 = count & 0x01;
- myled3 = (count & 0x02)>>1;
- myled2 = (count & 0x04)>>2;
+// printf("Count is %d\n", ++countit);
+ countit--;
+ myled4 = countit & 0x01;
+ myled3 = (countit & 0x02)>>1;
+ myled2 = (countit & 0x04)>>2;
}
// Callback routine is interrupt activated by a debounced pb2 hit
-void pb2_hit_callback (void) {
+/*void pb2_hit_callback (void) {
count--;
myled4 = count & 0x01;
myled3 = (count & 0x02)>>1;
myled2 = (count & 0x04)>>2;
-}
+}*/
int main() {
// Use internal pullups for pushbutton
pb1.mode(PullUp);
- pb2.mode(PullUp);
+// pb2.mode(PullUp);
// Delay for initial pullup to take effect
wait(.01);
// Setup Interrupt callback functions for a pb hit
pb1.attach_deasserted(&pb1_hit_callback);
- pb2.attach_deasserted(&pb2_hit_callback);
+// pb2.attach_deasserted(&pb2_hit_callback);
// Start sampling pb inputs using interrupts
pb1.setSampleFrequency();
- pb2.setSampleFrequency();
+// pb2.setSampleFrequency();
//Blink myled in main routine forever while responding to pb changes
// via interrupts that activate the callback counter function
while (1) {