Adafruit_MCP4728.h

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#ifndef _ADAFRUIT_MCP4728_H
#define _ADAFRUIT_MCP4728_H

#include "Arduino.h"
#include <Adafruit_BusIO_Register.h>
#include <Adafruit_I2CDevice.h>
#include <Wire.h>

#define MCP4728_I2CADDR_DEFAULT 0x60 

#define MCP4728_MULTI_IR_CMD                                                   \
  0x40 
#define MCP4728_MULTI_EEPROM_CMD                                               \
  0x50 
#define MCP4728_FAST_WRITE_CMD                                                 \
  0xC0 


typedef enum pd_mode {
  MCP4728_PD_MODE_NORMAL, 
  MCP4728_PD_MODE_GND_1K, 
  MCP4728_PD_MODE_GND_100K, 
  MCP4728_PD_MODE_GND_500K, 
} MCP4728_pd_mode_t;

typedef enum gain {
  MCP4728_GAIN_1X,
  MCP4728_GAIN_2X,
} MCP4728_gain_t;

typedef enum vref {
  MCP4728_VREF_VDD,
  MCP4728_VREF_INTERNAL,
} MCP4728_vref_t;

typedef enum channel {
  MCP4728_CHANNEL_A,
  MCP4728_CHANNEL_B,
  MCP4728_CHANNEL_C,
  MCP4728_CHANNEL_D,
} MCP4728_channel_t;

class Adafruit_MCP4728 {
public:
  Adafruit_MCP4728();
  bool begin(uint8_t i2c_address = MCP4728_I2CADDR_DEFAULT,
             TwoWire *wire = &Wire);

  bool setChannelValue(MCP4728_channel_t channel, uint16_t new_value,
                       MCP4728_vref_t new_vref = MCP4728_VREF_VDD,
                       MCP4728_gain_t new_gain = MCP4728_GAIN_1X,
                       MCP4728_pd_mode_t new_pd_mode = MCP4728_PD_MODE_NORMAL,
                       bool udac = false);

  bool fastWrite(uint16_t channel_a_value, uint16_t channel_b_value,
                 uint16_t channel_c_value, uint16_t channel_d_value);
  bool saveToEEPROM(void);

private:
  bool _init(void);

  Adafruit_I2CDevice *i2c_dev;
};

#endif