#pragma once
#include <avr/io.h>
#include <stdint.h>

class SpiMaster
{
private:

	static constexpr uint8_t CLOCK_POLARITY = 0;
	static constexpr uint8_t CLOCK_PHASE    = 2;
	static constexpr uint8_t BIT_ORDER      = 1;

	volatile uint8_t * const _port        = &PORTB;
	volatile uint8_t * const _pinReg      = &PINB;
	static constexpr uint8_t _pinIn       = PB2;
	static constexpr uint8_t _pinOut      = PB4;
	static constexpr uint8_t _pinClock    = PB3;

	static constexpr uint8_t DELAY_TIME_US  = 0;


public:

	SpiMaster();
	void    readWrite(uint8_t length, uint8_t* bufferIn, uint8_t* bufferOut);
	uint8_t readWrite(uint8_t in = 0);
	void prepare();
	uint8_t read();
	void write(uint8_t in);
};