#pragma once
//
//    FILE: DAC8552.h
//  AUTHOR: Rob Tillaart
// PURPOSE: Arduino library for DAC8552 SPI Digital Analog Convertor  
// VERSION: 0.2.1
// HISTORY: See DAC8552.cpp
//     URL: https://github.com/RobTillaart/DAC8552
//


#include "Arduino.h"
#include "SPI.h"


#define DAC8552_LIB_VERSION           (F("0.2.1"))


#define DAC8552_POWERDOWN_NORMAL      0
#define DAC8552_POWERDOWN_1K          1
#define DAC8552_POWERDOWN_100K        2
#define DAC8552_POWERDOWN_HIGH_IMP    3


class DAC8552
{
public:
  DAC8552(uint8_t slaveSelect);
  DAC8552(uint8_t spiData, uint8_t spiClock, uint8_t slaveSelect);

  void     begin();

  void     bufferValue(uint8_t channel, uint16_t value);
  void     setValue(uint8_t channel, uint16_t value);
  uint16_t getValue(uint8_t channel);

  void     bufferPowerDown(uint8_t channel, uint8_t powerDownMode);
  void     setPowerDown(uint8_t channel, uint8_t powerDownMode);
  uint8_t  getPowerDownMode(uint8_t channel);


private:
  uint8_t  _spiData;
  uint8_t  _spiClock;
  uint8_t  _slaveSelect;
  bool     _hwSPI;
  uint16_t _value[2];
  uint8_t  _register[2];

  void     updateDevice(uint8_t channel, bool directWrite);
  void     swSPI_transfer(uint8_t value);
};

// -- END OF FILE --