peary::component::DAC7678

DAC7678 Digital-to-Analog Converter Component. More…

#include <peary/hardware/components/DAC7678.hpp>

Inherits from peary::hal::Component

Public Types

Name
enum class Command { WR_DAC_IN = 0x00, WR_UPDATE = 0x10, WR_GLOBAL_LDAC = 0x20, WR_SINGLE_LDAC = 0x30, WR_POWER_DOWN = 0x40, WR_CLEAR_CODE = 0x50, WR_LDAC = 0x60, WR_RESET = 0x70, WR_STATIC_MODE = 0x80, WR_FLEX_MODE = 0x90, POWER_UP = 0x00, POWER_DOWN_1K = 0x20, POWER_DOWN_100K = 0x40, POWER_DOWN_HZ = 0x60, RD_DAC_IN = 0x00, RD_DAC = 0x10, RD_POWER_DOWN = 0x40, RD_CLEAR_CODE = 0x50, RD_LDAC = 0x60, RD_STATIC_MODE = 0x80, RD_FLEX_MODE = 0x90}
enum class Channel { VOUTA = 0x00, VOUTB = 0x01, VOUTC = 0x02, VOUTD = 0x03, VOUTE = 0x04, VOUTF = 0x05, VOUTG = 0x06, VOUTH = 0x07, ALL = 0x0F}

Public Functions

Name
DAC7678(const std::string & i2c_bus, uint8_t device_address, double vref)Constructor for DAC7678 class.
void setVoltage(Channel channel, double voltage)Set the output voltage for a specific channel.
double getVoltage(Channel channel)Get the output voltage for a specific channel.
void setOutput(Channel channel, bool enable)Enable or disable the output of a specific channel.

Additional inherited members

Public Functions inherited from peary::hal::Component

Name
Component() =defaultDefault constructor.
virtual ~Component() =defaultDefault destructor.

Detailed Description 

  class peary::component::DAC7678;

DAC7678 Digital-to-Analog Converter Component.

This class allows to control voltages using DAC7678 with QFN packaging. Currently, only straight binary encoding with the TWOC pins pulled low are supported

Public Types Documentation

enum Command

Enumerator Value Description
WR_DAC_IN 0x00
WR_UPDATE 0x10
WR_GLOBAL_LDAC 0x20
WR_SINGLE_LDAC 0x30
WR_POWER_DOWN 0x40
WR_CLEAR_CODE 0x50
WR_LDAC 0x60
WR_RESET 0x70
WR_STATIC_MODE 0x80
WR_FLEX_MODE 0x90
POWER_UP 0x00
POWER_DOWN_1K 0x20
POWER_DOWN_100K 0x40
POWER_DOWN_HZ 0x60
RD_DAC_IN 0x00
RD_DAC 0x10
RD_POWER_DOWN 0x40
RD_CLEAR_CODE 0x50
RD_LDAC 0x60
RD_STATIC_MODE 0x80
RD_FLEX_MODE 0x90

enum Channel

Enumerator Value Description
VOUTA 0x00
VOUTB 0x01
VOUTC 0x02
VOUTD 0x03
VOUTE 0x04
VOUTF 0x05
VOUTG 0x06
VOUTH 0x07
ALL 0x0F

Public Functions Documentation

function DAC7678 

  DAC7678(
    const std::string & i2c_bus,
    uint8_t device_address,
    double vref
)

Constructor for DAC7678 class.

Parameters:

  • i2c_bus The I2C bus to which the DAC7678 is connected
  • device_address The I2C address of the DAC7678 device
  • vref The reference voltage used for the DAC conversions

function setVoltage 

  void setVoltage(
    Channel channel,
    double voltage
)

Set the output voltage for a specific channel.

Parameters:

  • channel The channel to set the voltage for
  • voltage The voltage to set (in volts)

function getVoltage 

  double getVoltage(
    Channel channel
)

Get the output voltage for a specific channel.

Parameters:

  • channel The channel to get the voltage from

Return: The voltage of the specified channel (in volts)

function setOutput 

  void setOutput(
    Channel channel,
    bool enable
)

Enable or disable the output of a specific channel.

Parameters:

  • channel The channel to enable or disable
  • enable True to enable the output, false to disable

Updated on 2025-11-14 at 11:31:23 +0100