#include "../../io/GPIO.h"
#include "../../Debug.h"


template <typename SPI, int PIN_CS> class MCP42xxx {

private:

	SPI& spi;

public:

	/** ctor */
	MCP42xxx(SPI& spi) : spi(spi) {
		;
	}

	void setVolume(const uint8_t vol) {

		debugMod1(TAG, "setVolume(%d)", vol);

		MyGPIO::setOutput(PIN_CS);
		MyGPIO::clear(PIN_CS);

		const uint8_t cmd = 0b00010011;		// xx   01=write  xx  11=both
		spi.writeByte(cmd);
		spi.writeByte(vol);

		MyGPIO::set(PIN_CS);

	}

};