Karim Azzouz / RC

Used to read incoming PWM signals from RC channels

Dependents:   A-Quad

PulseIn.h

Committer:
KarimAzzouz
Date:
2012-12-19
Revision:
0:1a57c7f88422
Child:
1:eaf70ff4df07

File content as of revision 0:1a57c7f88422:

#ifndef RC_CHANNEL_H
#define PULSEIN_H
 
#include "mbed.h"
 
class PulseIn
{
    public:
        PulseIn(PinName p);
        int read(); // read the last measured data
       
    private:
        InterruptIn _k; // interrupt on the pin to react when signal falls or rises
        void rise(); // start the time measurement when signal rises
        void fall(); // stop the time mesurement and save the value when signal falls
        Timer t; // timer to measure the up time of the signal and if the signal timed out
        int _duration; // last measurement data
};
 
#endif