A replacement for InterruptIn that debounces the interrupt.
Dependents: D7A_Demo-Get-started CVtoOSCConverter EE3501keypad D7A_Localisation ... more
Fork of DebouncedInterrupt by
Example code:
#include "DebouncedInterrupt.h" DebouncedInterrupt up_button(USER_BUTTON); void onUp() { // Do Something } int main() { // Will immediatly call function and ignore other interrupts until timeout up_button.attach(&onUp, IRQ_FALL, 1000, true); // Will call function only if button has been held for the specified time //up_button.attach(&onUp, IRQ_FALL, 500, false); while(1) {} }
Diff: DebounceInterrupts.h
- Revision:
- 0:ca5a0fee9f52
- Child:
- 1:ffacad1b455a
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/DebounceInterrupts.h Tue Feb 18 01:05:10 2014 +0000 @@ -0,0 +1,28 @@ + +/** + * Debounces an interrupt + */ + +#ifndef DEBOUNCE_INTERRUPTS_H +#define DEBOUNCE_INTERRUPTS_H + +#include <stdint.h> +#include "mbed.h" + +class DebounceInterrupts { +private: + unsigned int fDebounce_us; + void (*fCallback)(void); + void onInterrupt(void); +public: + /** Setup debounce for an InterruptIn. + * fptr: pointer to function to be called when debounced Interrupt fires + * interrupt: InterruptIn to monitor + * rise: true:rise, false: fall + * debounce_ms: milliseconds to wait for a stable input + * @return Pull the oldest element from the buffer + */ + DebounceInterrupts(void (*fptr)(void), InterruptIn *interrupt, const bool& rise=true, const uint32_t& debounce_ms=10); + ~DebounceInterrupts(); +}; +#endif \ No newline at end of file