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#ifndef ROTARY_ENCODER_HPP
#define ROTARY_ENCODER_HPP
#include <stdint.h>
typedef void (*re_decoderCB_t)(int);
class re_decoder
{
int mygpioA, mygpioB, levA, levB, lastGpio;
re_decoderCB_t mycallback;
void _pulse(int gpio, int level, uint32_t tick);
/* Need a static callback to link with C. */
static void _pulseEx(int gpio, int level, uint32_t tick, void *user);
public:
re_decoder(int gpioA, int gpioB, re_decoderCB_t callback);
/*
This function establishes a rotary encoder on gpioA and gpioB.
When the encoder is turned the callback function is called.
*/
void re_cancel(void);
/*
This function releases the resources used by the decoder.
*/
};
#endif
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