Andrew Mkpanam
/
digitalInInterrupt
Final
Revision 6:8dc45846a8db, committed 2020-02-13
- Comitter:
- ex19397
- Date:
- Thu Feb 13 07:26:10 2020 +0000
- Parent:
- 5:86742cfaf4e4
- Commit message:
- Final
Changed in this revision
main.cpp | Show annotated file Show diff for this revision Revisions of this file |
diff -r 86742cfaf4e4 -r 8dc45846a8db main.cpp --- a/main.cpp Thu Jan 30 08:16:04 2020 +0000 +++ b/main.cpp Thu Feb 13 07:26:10 2020 +0000 @@ -6,16 +6,22 @@ // is pressed // The callback uses a shared variable to signal another thread -InterruptIn button(PTD0); // Pin must be on ports A or D -DigitalOut led(LED_GREEN); +InterruptIn button(PTD0);// Pin must be on ports A or D +InterruptIn button1(PTD5); +DigitalOut led(LED_BLUE); +DigitalOut led1(LED_RED); volatile int pressEvent = 0 ; +volatile int pressEvent1 = 0 ; // This function is invoked when then interrupt occurs // Signal that the button has been pressed // Note: bounce may occur void buttonCallback(){ - pressEvent = 1 ; + pressEvent = !pressEvent; +} +void buttonCallback1(){ + pressEvent1 = !pressEvent1 ; } /* ---- Main function (default thread) ---- @@ -24,13 +30,17 @@ int main() { button.mode(PullUp); // Ensure button i/p has pull up button.fall(&buttonCallback) ; // Attach function to falling edge - + button1.mode(PullUp); // Ensure button i/p has pull up + button1.fall(&buttonCallback1) ; // Attach function to falling edge + while(true) { // Toggle the LED every time the button is pressed - if (pressEvent) { + if (pressEvent) { led = !led ; - pressEvent = 0 ; // Clear the event variable } - ThisThread::sleep_for(100) ; // delay for 100ms + if (pressEvent1) { + led1 = !led1 ; + } + ThisThread::sleep_for(500) ; // delay for 100ms } } \ No newline at end of file