Adafruit_MCP4728.h File Reference

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

Go to the source code of this file.

Classes
class	Adafruit_MCP4728
	Class that stores state and functions for interacting with the MCP4728 I2C Digital Potentiometer. More...

Macros
#define	MCP4728_I2CADDR_DEFAULT   0x60
	MCP4728 default i2c address.
#define	MCP4728_MULTI_IR_CMD   0x40
	Command to write to the input register only.
#define	MCP4728_MULTI_EEPROM_CMD   0x50
	Command to write to the input register and EEPROM.
#define	MCP4728_FAST_WRITE_CMD   0xC0
	Command to write all channels at once with.

Typedefs
typedef enum pd_mode	MCP4728_pd_mode_t
	Power status values. More...
typedef enum gain	MCP4728_gain_t
	Example enum values. More...
typedef enum vref	MCP4728_vref_t
	Ex. More...
typedef enum channel	MCP4728_channel_t
	Example enum values. More...

Enumerations
enum	pd_mode { MCP4728_PD_MODE_NORMAL, MCP4728_PD_MODE_GND_1K, MCP4728_PD_MODE_GND_100K, MCP4728_PD_MODE_GND_500K }
	Power status values. More...
enum	gain { MCP4728_GAIN_1X, MCP4728_GAIN_2X }
	Example enum values. More...
enum	vref { MCP4728_VREF_VDD, MCP4728_VREF_INTERNAL }
	Ex. More...
enum	channel { MCP4728_CHANNEL_A, MCP4728_CHANNEL_B, MCP4728_CHANNEL_C, MCP4728_CHANNEL_D }
	Example enum values. More...

Detailed Description

I2C Driver for the Adafruit MCP4728 4-Channel 12-Bit I2C DAC library

This is a library for the Adafruit MCP4728 breakout: https://www.adafruit.com/products/4470

Adafruit invests time and resources providing this open source code, please support Adafruit and open-source hardware by purchasing products from Adafruit!

BSD license (see license.txt)

Typedef Documentation

MCP4728_pd_mode_t

typedef enum pd_mode MCP4728_pd_mode_t

Power status values.

Allowed values for setPowerMode.

MCP4728_gain_t

typedef enum gain MCP4728_gain_t

Example enum values.

Allowed values for setGain.

MCP4728_vref_t

typedef enum vref MCP4728_vref_t

Ex.

Allowed values for setVref.

MCP4728_channel_t

typedef enum channel MCP4728_channel_t

Example enum values.

Allowed values for setChannelGain.

Enumeration Type Documentation

pd_mode

enum pd_mode

Power status values.

Allowed values for setPowerMode.

Enumerator
MCP4728_PD_MODE_NORMAL	Normal; the channel outputs the given value as normal.
MCP4728_PD_MODE_GND_1K	VOUT is loaded with 1 kΩ resistor to ground. Most of the channel circuits are powered off.
MCP4728_PD_MODE_GND_100K	VOUT is loaded with 100 kΩ resistor to ground. Most of the channel circuits are powered off.
MCP4728_PD_MODE_GND_500K	VOUT is loaded with 500 kΩ resistor to ground. Most of the channel circuits are powered off.

gain

enum gain

Example enum values.

Allowed values for setGain.

vref

enum vref

Ex.

Allowed values for setVref.

channel

enum channel

Example enum values.

Allowed values for setChannelGain.