Debounce InterruptIn
Dependents: led_sigfox Allumag_lampe_sigfox Case_study_02_Turnstile B18_MP3_PLAYER ... more
Diff: DebouncedInterrupt.h
- Revision:
- 18:e6e9bc6402b7
- Parent:
- 17:96a51b236ba0
- Child:
- 20:996ea2fc8d2d
--- a/DebouncedInterrupt.h Tue Feb 18 20:38:50 2014 +0000 +++ b/DebouncedInterrupt.h Wed Feb 19 01:47:45 2014 +0000 @@ -15,7 +15,7 @@ * * int main() * { - * up_button.attach(&onUp, 100); + * up_button.attach(&onUp,IRQ_FALL, 100); * while(1) { * ... * } @@ -29,11 +29,20 @@ #include <stdint.h> #include "mbed.h" +/** +typedef enum { + IRQ_NONE, + IRQ_RISE, + IRQ_FALL +} gpio_irq_event; +**/ + class DebouncedInterrupt { private: unsigned int _debounce_us; InterruptIn *_in; DigitalIn *_din; + gpio_irq_event _trigger; // Diagnostics volatile unsigned int _bounce_count; @@ -47,7 +56,7 @@ ~DebouncedInterrupt(); // Start monitoring the interupt and attach a callback - void attach(void (*fptr)(void), const uint32_t& debounce_ms=10); + void attach(void (*fptr)(void), const gpio_irq_event trigger, const uint32_t& debounce_ms=10); // Stop monitoring the interrupt void reset();