The AD8403 is a four channel, 8 bit digital potentiometer. More...

#include <AD840X.h>

Inheritance diagram for functions::AD8403:

Collaboration diagram for functions::AD8403:

Public Member Functions
	AD8403 (bus::addr_t address, uint8_t alt_function_idx)

bool	write_channel_raw (uint8_t ch, uint8_t raw)
	Channel can be beteen 0 and 3.

	DataFunction (bus::addr_t address, uint8_t alt_function_idx, const SPISettings &spiSettings)

Public Member Functions inherited from functions::DataFunction
	DataFunction (bus::addr_t address, uint8_t alt_function_idx, const SPISettings &spiSettings)

void	begin_communication () const

void	end_communication () const

void	transfer (const void mosi_buf, void miso_buf, size_t count) const

uint8_t	transfer8 (uint8_t data_in) const

uint16_t	transfer16 (uint16_t data_in) const

uint32_t	transfer32 (uint32_t data_in) const

Public Member Functions inherited from functions::Function
	Function (bus::addr_t address)

Static Public Attributes
static const SPISettings	DEFAULT_SPI_SETTINGS {100'000, MSBFIRST, SPI_MODE0}

Additional Inherited Members
Public Attributes inherited from functions::DataFunction
const SPISettings &	spi_settings

Public Attributes inherited from functions::Function
const bus::addr_t	address

Static Protected Member Functions inherited from functions::DataFunction
static SPIClass &	get_raw_spi ()

Protected Attributes inherited from functions::DataFunction
bus::addr_t	alt_function_address

bool	use_csel = false

Detailed Description

The AD8403 is a four channel, 8 bit digital potentiometer.

Calculation of actual resistance values is a bit complicated and greatly depends on the hardware conditions. Writing raw values is sufficient for our uses in m block calibraiton.

Definition at line 35 of file AD840X.h.

Constructor & Destructor Documentation

◆ AD8403()

functions::AD8403::AD8403	(	bus::addr_t	address,
		uint8_t	alt_function_idx )

Definition at line 22 of file AD840X.cpp.

References functions::Function::address, DataFunction(), and DEFAULT_SPI_SETTINGS.

Member Function Documentation

◆ DataFunction()

functions::DataFunction::DataFunction	(	bus::addr_t	address,
		uint8_t	alt_function_idx,
		const SPISettings &	spiSettings )

Definition at line 68 of file functions.cpp.

Referenced by AD8403().

◆ write_channel_raw()

bool functions::AD8403::write_channel_raw	(	uint8_t	ch,
		uint8_t	raw )

Channel can be beteen 0 and 3.

Will return false on invalid channels or on invalid readbacks in pedantic mode

Definition at line 25 of file AD840X.cpp.

References functions::DataFunction::transfer16().

Member Data Documentation

◆ DEFAULT_SPI_SETTINGS

const SPISettings functions::AD8403::DEFAULT_SPI_SETTINGS {100'000, MSBFIRST, SPI_MODE0}

static

Definition at line 20 of file AD840X.h.

Referenced by AD8403().

The documentation for this class was generated from the following files:

lib/hardware/src/chips/AD840X.h
lib/hardware/src/chips/AD840X.cpp

Public Member Functions

Static Public Attributes

Additional Inherited Members