File content as of revision 0:cfae0986065f:

#ifndef HALLFX_ENCODER_H
#define HALLFX_ENCODER_H
 
/*
    Basic Encoder Library for Sparkfun's Wheel Encoder Kit
    Part# ROB-12629.
*/
 
#include "mbed.h"
 
class HALLFX_ENCODER{
    public:
        /*
            Constructor for Encoder objects
            @param enc_in    The mBed pin connected to encoder output
        */
        HALLFX_ENCODER(PinName enc_in);
        /*
            read() returns total number of counts of the encoder.
            Count can be +/- and indicates the overall direction,
            (+): CW (-): CCW
            @return     The toltal number of counts of the encoder.
        */
        long read();
        /*
            reset() clears the counter to 0. 
        */
        void reset();
    private:
        long count;         // Total number of counts since start.
        InterruptIn _enc_in;// Encoder Input/Interrupt Pin
        /*
            Increments/Decrements count on interrrupt.
        */
        void callback();    // Interrupt callback function
};
 
#endif