Debounce InterruptIn
Dependents: led_sigfox Allumag_lampe_sigfox Case_study_02_Turnstile B18_MP3_PLAYER ... more
DebouncedInterrupt.h
- Committer:
- kandangath
- Date:
- 2014-02-18
- Revision:
- 12:7022ffaa74f5
- Parent:
- 11:af6d7dc34062
- Child:
- 13:09b53a088a9c
File content as of revision 12:7022ffaa74f5:
/** * DebouncedInterrupt.h * Monitors and debounces an InterruptIn **/ /** Example: DebouncedInterrupt up_button(p15); void onUp() { // Do Something } int main() { up_button.attach(&onUp, INT_FALL, 100); while(1) { ... } } **/ #ifndef DEBOUNCED_INTERRUPT_H #define DEBOUNCED_INTERRUPT_H #include <stdint.h> #include "mbed.h" enum interruptTrigger{ INT_FALL = 0, INT_RISE = 1 }; class DebouncedInterrupt { private: unsigned int _debounce_us; volatile unsigned int _debounce_count; volatile unsigned int _last_debounce_count; InterruptIn *_in; void (*fCallback)(void); void _onInterrupt(void); void _callback(void); public: DebouncedInterrupt(PinName pin); ~DebouncedInterrupt(); // Start monitoring the interupt and attach a callback void attach(void (*fptr)(void), const interruptTrigger& trigger, const uint32_t& debounce_ms=10); // Stop monitoring the interrupt void reset(); /* * Get number of de-bounced interrupts * @return: debounced count */ unsigned int get_debounce(); }; #endif