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assessed Interupt
Fork of digitalInInterrupt_sample by
Revision 4:4caae521ff66, committed 2018-02-02
- Comitter:
- dhenis
- Date:
- Fri Feb 02 21:44:55 2018 +0000
- Parent:
- 3:05b6a1431a6b
- Commit message:
- Interupt Assessed
Changed in this revision
main.cpp | Show annotated file Show diff for this revision Revisions of this file |
diff -r 05b6a1431a6b -r 4caae521ff66 main.cpp --- a/main.cpp Tue Jan 16 18:14:21 2018 +0000 +++ b/main.cpp Fri Feb 02 21:44:55 2018 +0000 @@ -2,35 +2,108 @@ // Labs 2: Example program for using an interrupt (or callback) // ----------------------------------------------------------- -// A callback function (corresponding to an ISR) is called when a button +// A callback function (corresponding to an ISR) is called when a button // is pressed // The callback uses a shared variable to signal another thread InterruptIn button(PTD0); -DigitalOut led(LED_GREEN); + +InterruptIn button2(PTD2); +DigitalOut led1(LED_RED); +DigitalOut led2(LED_BLUE); -volatile int pressEvent = 0 ; + +volatile int pressEvent1 = 0 ; + +volatile int pressEvent2 = 0 ; // This function is invoked when then interrupt occurs // Signal that the button has been pressed -// Note: bounce may occur -void buttonCallback(){ - pressEvent = 1 ; +// Note: bounce may occur +void buttonCallback1(){ + + + pressEvent1 = 1 ; + + } +void buttonCallback2(){ + + pressEvent2 = 1 ; + +} /* ---- Main function (default thread) ---- Note that if this thread completes, nothing else works */ int main() { button.mode(PullUp); // Ensure button i/p has pull up - button.fall(&buttonCallback) ; // Attach function to falling edge + button.fall(&buttonCallback1) ; // Attach function to falling edge + + + button2.mode(PullUp); // Ensure button i/p has pull up + button2.fall(&buttonCallback2) ; // Attach function to falling edge + + bool flash1 = true; + + bool flash2 = true; + + +// bool cycle = false; // + + + bool check_flash1 = true; // check flash one ==> make flash 1 only change once in each cycle + + bool check_flash2 = true; // check flash one ==> make flash 1 only change once in each cycle while(true) { + + // Toggle the LED every time the button is pressed - if (pressEvent) { - led = !led ; - pressEvent = 0 ; // Clear the event variable + if (pressEvent1 and check_flash1) { + + // led1 = 1 ; //eend turn off light as default + flash1 = !flash1 ; + + pressEvent1 = 0 ; // Clear the event variable + + // dealing with bounce + check_flash1 = false; + + } + + // Toggle the LED every time the button is pressed + if (pressEvent2 and check_flash2) { + + //led2 = 1 ; //eend turn off light as default + flash2 = !flash2 ; + + pressEvent2 = 0 ; // Clear the event variable + + // dealing with bounce + check_flash2 = false; } - Thread::wait(100) ; + + + if(flash1){ + + led1 = !led1 ; + + } + + if(flash2){ + + led2 = !led2 ; + } + + + Thread::wait(500) ; // 2x? + + // every cycle, just make 1 instruction + + check_flash1 = true; + + check_flash2 = true; + } -} \ No newline at end of file +}