Driver API for CS42L51 codec chip. More...

#include <AudioDriver.h>

Inheritance diagram for AudioDriverCS42L51Class:

Public Member Functions
	AudioDriverCS42L51Class (uint16_t deviceAddr=0x4A)

virtual bool	begin (CodecConfig codecCfg, DriverDeviceInfo &pins)
	Starts the processing.

CS42L51 &	driver ()
	Provides access to the wrapped CS42L51 driver instance.

virtual bool	end (void)
	Ends the processing: shut down dac and adc.

API_GPIO &	getGPIO ()

virtual int	getI2CAddress ()
	Provides the i2c address.

int	getVolume ()
	Determines the actual volume (range: 0-100)

virtual bool	isInputVolumeSupported ()
	Determines if setInputVolume() is supported.

virtual bool	isVolumeSupported ()
	Determines if setVolume() is suppored.

	operator bool ()

virtual DriverDeviceInfo &	pins ()
	Provides the pin information.

virtual bool	setConfig (CodecConfig codecCfg)
	changes the configuration

virtual bool	setI2CAddress (uint16_t adr)
	Defines the i2c address.

virtual bool	setInputVolume (int volume)
	Defines the input volume (range: 0-100) if supported.

bool	setMute (bool mute)
	Mutes all output lines.

virtual bool	setMute (bool mute, int line)
	Mute individual lines: only supported for some rare DACs.

bool	setPAPower (bool enable)
	Sets the PA Power pin to active or inactive.

void	setPins (DriverDeviceInfo &pins)

void	setupI2CAddress ()
	If no address is defined in the pins we provide it here.

bool	setVolume (int volume)
	Defines the Volume (in %) if volume is 0, mute is enabled,range is 0-100.

Protected Member Functions
virtual bool	configInterface (codec_mode_t mode, I2SDefinition iface)

virtual bool	controlState (codec_mode_t mode)

bool	deinit ()

uint32_t	getFrequency (samplerate_t rateNum)

virtual i2c_bus_handle_t	getI2C ()
	Determine the TwoWire object from the I2C config or use Wire.

uint32_t	getInput (input_device_t input_device)

uint32_t	getOutput (output_device_t output_device)

virtual bool	init (codec_config_t codec_cfg)

int	limitValue (int volume, int min=0, int max=100)

int	mapVolume (int x, int in_min, int in_max, int out_min, int out_max)

Protected Attributes
CodecConfig	codec_cfg

CS42L51	cs42l51

int	i2c_default_address = -1

DriverDeviceInfo *	p_pins = nullptr

int	volume = 100

Detailed Description

Driver API for CS42L51 codec chip.

Author: Phil Schatzmann

Copyright: GPLv3

Constructor & Destructor Documentation

◆ AudioDriverCS42L51Class()

AudioDriverCS42L51Class ( uint16_t deviceAddr = 0x4A )

inline

Member Function Documentation

◆ begin()

virtual bool begin	(	CodecConfig	codecCfg,
		DriverDeviceInfo &	pins
	)

inlinevirtual

Starts the processing.

Reimplemented from AudioDriver.

◆ configInterface()

virtual bool configInterface	(	codec_mode_t	mode,
		I2SDefinition	iface
	)

inlineprotectedvirtualinherited

Reimplemented in AudioDriverAC101Class, AudioDriverES7210Class, AudioDriverES7243Class, AudioDriverES7243eClass, AudioDriverES8156Class, AudioDriverWM8731Class, AudioDriverSGTL5000Class, AudioDriverES8311Class, AudioDriverES8374Class, AudioDriverES8388Class, AudioDriverPCM3168Class, AudioDriverZephyrT< T, DefaultI2CAddress >, AudioDriverZephyrT< TLV320AIC3104, 0x18 >, and AudioDriverTLV320AIC3104Class.

◆ controlState()

virtual bool controlState ( codec_mode_t mode )

inlineprotectedvirtualinherited

Reimplemented in AudioDriverAC101Class, AudioDriverES7210Class, AudioDriverES7243Class, AudioDriverES7243eClass, AudioDriverES8156Class, AudioDriverWM8731Class, AudioDriverSGTL5000Class, AudioDriverES8311Class, AudioDriverES8374Class, AudioDriverES8388Class, AudioDriverPCM3168Class, AudioDriverZephyrT< T, DefaultI2CAddress >, and AudioDriverZephyrT< TLV320AIC3104, 0x18 >.

◆ deinit()

bool deinit ( )

inlineprotectedvirtual

Reimplemented from AudioDriver.

◆ driver()

CS42L51 & driver ( )

inline

Provides access to the wrapped CS42L51 driver instance.

◆ end()

virtual bool end ( void )

inlinevirtualinherited

Ends the processing: shut down dac and adc.

Reimplemented in AudioDriverWM8978Class, AudioDriverNAU8325Class, NoDriverClass, AudioDriverWM8960Class, AudioDriverLyratMiniClass, AudioDriverCombined, and AudioDriverCS42448Class.

◆ getFrequency()

uint32_t getFrequency ( samplerate_t rateNum )

inlineprotected

< set to 8k samples per second

< set to 11.025k samples per second

< set to 16k samples in per second

< set to 22.050k samples per second

< set to 32k samples in per second

< set to 44.1k samples per second

< set to 48k samples per second

◆ getGPIO()

API_GPIO & getGPIO ( )

inlineinherited

◆ getI2C()

virtual i2c_bus_handle_t getI2C ( )

inlineprotectedvirtualinherited

Determine the TwoWire object from the I2C config or use Wire.

◆ getI2CAddress()

virtual int getI2CAddress ( )

inlinevirtualinherited

Provides the i2c address.

◆ getInput()

uint32_t getInput ( input_device_t input_device )

inlineprotected

◆ getOutput()

uint32_t getOutput ( output_device_t output_device )

inlineprotected

◆ getVolume()

int getVolume ( )

inlinevirtual

Determines the actual volume (range: 0-100)

Implements AudioDriver.

◆ init()

virtual bool init ( codec_config_t codec_cfg )

inlineprotectedvirtualinherited

Reimplemented in AudioDriverAC101Class, AudioDriverES7210Class, AudioDriverES7243Class, AudioDriverES7243eClass, AudioDriverES8156Class, AudioDriverWM8731Class, AudioDriverSGTL5000Class, AudioDriverES8311Class, AudioDriverES8374Class, AudioDriverES8388Class, AudioDriverTAS5805MClass, AudioDriverPCM3168Class, AudioDriverZephyrT< T, DefaultI2CAddress >, and AudioDriverZephyrT< TLV320AIC3104, 0x18 >.

◆ isInputVolumeSupported()

virtual bool isInputVolumeSupported ( )

inlinevirtualinherited

Determines if setInputVolume() is supported.

Reimplemented in NoDriverClass, AudioDriverES7210Class, AudioDriverES8311Class, AudioDriverES8388Class, AudioDriverWM8960Class, AudioDriverCS42448Class, AudioDriverWM8978Class, AudioDriverLyratMiniClass, AudioDriverCombined, AudioDriverZephyrT< T, DefaultI2CAddress >, and AudioDriverZephyrT< TLV320AIC3104, 0x18 >.

◆ isVolumeSupported()

virtual bool isVolumeSupported ( )

inlinevirtualinherited

Determines if setVolume() is suppored.

Reimplemented in NoDriverClass, AudioDriverWM8960Class, AudioDriverCS42448Class, and AudioDriverWM8978Class.

◆ limitValue()

int limitValue	(	int	volume,
		int	min = `0`,
		int	max = `100`
	)

inlineprotectedinherited

make sure that value is in range

Parameters

volume

Returns

◆ mapVolume()

int mapVolume	(	int	x,
		int	in_min,
		int	in_max,
		int	out_min,
		int	out_max
	)

inlineprotectedinherited

◆ operator bool()

operator bool ( )

inlineinherited

◆ pins()

virtual DriverDeviceInfo & pins ( )

inlinevirtualinherited

Provides the pin information.

Reimplemented in AudioDriverCS42448Class.

◆ setConfig()

virtual bool setConfig ( CodecConfig codecCfg )

inlinevirtual

changes the configuration

Reimplemented from AudioDriver.

◆ setI2CAddress()

virtual bool setI2CAddress ( uint16_t adr )

inlinevirtualinherited

Defines the i2c address.

◆ setInputVolume()

virtual bool setInputVolume ( int volume )

inlinevirtualinherited

Defines the input volume (range: 0-100) if supported.

Reimplemented in NoDriverClass, AudioDriverES7210Class, AudioDriverES8388Class, AudioDriverWM8960Class, AudioDriverCS42448Class, AudioDriverES8311Class, AudioDriverWM8978Class, AudioDriverLyratMiniClass, AudioDriverCombined, AudioDriverZephyrT< T, DefaultI2CAddress >, and AudioDriverZephyrT< TLV320AIC3104, 0x18 >.

◆ setMute() [1/2]

bool setMute ( bool enable )

inlinevirtual

Mutes all output lines.

Implements AudioDriver.

◆ setMute() [2/2]

virtual bool setMute	(	bool	mute,
		int	line
	)

inlinevirtualinherited

Mute individual lines: only supported for some rare DACs.

Reimplemented in AudioDriverCS42448Class, AudioDriverES8388Class, AudioDriverPCM3168Class, and AudioDriverWM8978Class.

◆ setPAPower()

bool setPAPower ( bool enable )

inlineinherited

Sets the PA Power pin to active or inactive.

◆ setPins()

void setPins ( DriverDeviceInfo & pins )

inlineinherited

◆ setupI2CAddress()

void setupI2CAddress ( )

inlineinherited

If no address is defined in the pins we provide it here.

◆ setVolume()

bool setVolume ( int volume )

inlinevirtual

Defines the Volume (in %) if volume is 0, mute is enabled,range is 0-100.

Implements AudioDriver.

Member Data Documentation

◆ codec_cfg

CodecConfig codec_cfg

protectedinherited

◆ cs42l51

CS42L51 cs42l51

protected

◆ i2c_default_address

int i2c_default_address = -1

protectedinherited

◆ p_pins

DriverDeviceInfo* p_pins = nullptr

protectedinherited

◆ volume

int volume = 100

protected

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

src/AudioDriver.h

Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ AudioDriverCS42L51Class()

Member Function Documentation

◆ begin()

◆ configInterface()

◆ controlState()

◆ deinit()

◆ driver()

◆ end()

◆ getFrequency()

◆ getGPIO()

◆ getI2C()

◆ getI2CAddress()

◆ getInput()

◆ getOutput()

◆ getVolume()

◆ init()

◆ isInputVolumeSupported()

◆ isVolumeSupported()

◆ limitValue()

◆ mapVolume()

◆ operator bool()

◆ pins()

◆ setConfig()

◆ setI2CAddress()

◆ setInputVolume()

◆ setMute() [1/2]

◆ setMute() [2/2]

◆ setPAPower()

◆ setPins()

◆ setupI2CAddress()

◆ setVolume()

Member Data Documentation

◆ codec_cfg

◆ cs42l51

◆ i2c_default_address

◆ p_pins

◆ volume