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

class SpiMaster
{
private:
	
	static constexpr uint8_t CLOCK_POLARITY = 1;
	static constexpr uint8_t CLOCK_PHASE    = 1;
	static constexpr uint8_t BIT_ORDER      = 1;

    volatile uint8_t *_port        = &PORTB;
    volatile uint8_t *_pinReg      = &PINB;
    static constexpr uint8_t _pinIn       = PB2;
    static constexpr uint8_t _pinOut      = PB0;
    static constexpr uint8_t _pinClock    = PB3;
    
    static constexpr uint8_t DELAY_TIME_US  = 10; 
    
    
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);
};