Anil Kandangath / DebouncedInterrupt Featured

Debounce InterruptIn

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DebounceInterrupts.h

Committer:
kandangath
Date:
2014-02-18
Revision:
4:19689187352e
Parent:
3:e4b7033508d1
Child:
5:3c0f741fb448

File content as of revision 4:19689187352e:


/**
 * Debounces an InterruptIn
 */
 
#ifndef DEBOUNCE_INTERRUPTS_H
#define DEBOUNCE_INTERRUPTS_H

#include <stdint.h>
#include "mbed.h"

enum interruptTrigger{
    INT_FALL = 0,
    INT_RISE = 1
};

class DebounceInterrupts {
private:
    unsigned int fDebounce_us;
    void (*fCallback)(void);
    void _onInterrupt(void);
public:
    DebounceInterrupts(void (*fptr)(void),                  /* function to be called after debounced InterruptIn */
                       InterruptIn *interrupt,              /* InterruptIn to monitor */
                       const interruptTrigger& trigger,     /* true: rise, false: fall */
                       const uint32_t& debounce_ms=10);     /* stability duration required */
    ~DebounceInterrupts();
};
#endif