Anil Kandangath / DebouncedInterrupt Featured

Debounce InterruptIn

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DebounceInterrupts.h

Committer:
kandangath
Date:
2014-02-18
Revision:
0:ca5a0fee9f52
Child:
1:ffacad1b455a

File content as of revision 0:ca5a0fee9f52:


/**
 * 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