syouichi imamori / Mbed OS MulticopterQuadX

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Dependencies:   IAP

PulseWidthCounter/PulseWidthCounter.cpp

Committer:
komaida424
Date:
2013-11-15
Revision:
2:59ac9df97701
Child:
8:1db19b529b22

File content as of revision 2:59ac9df97701:

#include "mbed.h"
#include "InterruptIn.h"
#include "PulseWidthCounter.h"

PulseWidthCounter::PulseWidthCounter(PinName _interrupt,bool positive) : interrupt(_interrupt)     //constructa  
{
    if ( positive ) 
    {   interrupt.rise(this,&PulseWidthCounter::start);
        interrupt.fall(this,&PulseWidthCounter::stop);
    }
    else
    {   interrupt.fall(this,&PulseWidthCounter::start);
        interrupt.rise(this,&PulseWidthCounter::stop);
    }
}

void PulseWidthCounter::start()
{
    _time.reset();
    _time.start();
}

void PulseWidthCounter::stop()
{
    _time.stop();
    count = _time.read_us();
}