spi/spi.hpp

#pragma once

#include "config.hpp"
#include "hardware.hpp"

#include "../io/io.hpp"

namespace spi {

template <class Driver>
class Spi {
  public:
	static void init()
	{
		Driver::init();
	}

	static uint8_t transfer(uint8_t ui8Data)
	{
		SPDR = ui8Data;
		while (!(SPSR & (1 << SPIF)))
			;
		return SPDR;
	}

	static void select(bool bSelect)
	{
		sm_cSS.write(!bSelect);
	}

  private:
	static io::Pin<io::P::B5> sm_cSCK;
	static io::Pin<io::P::B4> sm_cMISO;
	static io::Pin<io::P::B3> sm_cMOSI;
	static io::Pin<io::P::B2> sm_cSS;
};

} // namespace spi