/*
 * BusIOForStuduino
 *
 * Adafruit BusIO v1.0.0 (https://github.com/adafruit/Adafruit_BusIO) を
 * 株式会社アーテックが Studuino 向けに改変したものです。
 * 改変内容は同梱の README.md を参照してください。
 * オリジナルの著作権表示およびライセンスは LICENSE のとおりです。
 */
#include <BusIOForStuduino_I2CDevice.h>
// #include <Adafruit_SPIDevice.h>
#include <Arduino.h>


#ifndef BusIOForStuduino_Register_h
#define BusIOForStuduino_Register_h

// typedef enum _Adafruit_BusIO_SPIRegType {
//   ADDRBIT8_HIGH_TOREAD = 0,
// } Adafruit_BusIO_SPIRegType;

class Adafruit_BusIO_Register {
 public:
  Adafruit_BusIO_Register(Adafruit_I2CDevice *i2cdevice, uint16_t reg_addr, 
			  uint8_t width=1, uint8_t bitorder=LSBFIRST,
			  uint8_t address_width=1); 
  // Adafruit_BusIO_Register(Adafruit_SPIDevice *spidevice, uint16_t reg_addr, 
	// 		  Adafruit_BusIO_SPIRegType type,
	// 		  uint8_t width=1, uint8_t bitorder=LSBFIRST,
	// 		  uint8_t address_width=1); 

  // Adafruit_BusIO_Register(Adafruit_I2CDevice *i2cdevice,
	// 		  Adafruit_SPIDevice *spidevice, 
	// 		  Adafruit_BusIO_SPIRegType type,
	// 		  uint16_t reg_addr, 
	// 		  uint8_t width=1, uint8_t bitorder=LSBFIRST,
	// 		  uint8_t address_width=1); 

  bool read(uint8_t *buffer, uint8_t len);
  bool read(uint8_t *value);
  bool read(uint16_t *value);
  bool read(uint32_t *value);
  uint32_t read(void);
  bool write(uint8_t *buffer, uint8_t len);
  bool write(uint32_t value, uint8_t numbytes=0);

  uint8_t width(void) { return _width; }

  void print(Stream *s=&Serial);
  void println(Stream *s=&Serial);

 private:
  Adafruit_I2CDevice *_i2cdevice;
  // Adafruit_SPIDevice *_spidevice;
  // Adafruit_BusIO_SPIRegType _spiregtype;
  uint16_t _address;
  uint8_t _width, _addrwidth, _bitorder;
  uint8_t _buffer[4];      // we wont support anything larger than uint32 for non-buffered read
};

class Adafruit_BusIO_RegisterBits {
 public:
  Adafruit_BusIO_RegisterBits(Adafruit_BusIO_Register *reg, uint8_t bits, uint8_t shift);
  void write(uint32_t value);
  uint32_t read(void);
 private:
  Adafruit_BusIO_Register *_register;
  uint8_t _bits, _shift;
};


#endif //BusIOForStuduino_Register_h