nBus-app-driver-for-esp32/src/NbusLoopDriver/NbusLoopEsp32.h

#ifndef _NBUS_APP_DRIVER_H_
#define _NBUS_APP_DRIVER_H_

#include <cinttypes>
#include <Stream.h>
#include <esp32-hal.h>

#define NBUS_APP_DRIVER_PAYLOAD_MIN 4
#define NBUS_APP_DRIVER_PAYLOAD_MAX 127

class NbusLoopEsp32
{
public:
    NbusLoopEsp32(Stream &stream_obj, int32_t timeout);
    void setData(uint8_t *data, int16_t size);

    Stream& accessStream();
    int16_t receiveData();

    bool isReceiving();
     
private:
    bool _checkTimeout();
    void _resetRxState();

    Stream  &_stream_obj;
    uint8_t *_data{nullptr};
    int16_t _size{0};
    int32_t _timeout{0};

    int64_t _time0{INT64_MAX};
    int16_t _rx_index{0};
    int16_t _rx_size{0};
};

#endif // _NBUS_APP_DRIVER_H_