Namespace for audio driver components. More...

Classes
class	API_GPIO

class	AudioBoard
	Defitintion for audio board pins and an audio driver. More...

class	AudioDriver
	Abstract Driver API for codec chips. More...

class	AudioDriverAC101Class
	Driver API for AC101 codec chip. More...

class	AudioDriverCombined
	Generic Driver API for boards with a different DAC and ADC codec chip. More...

class	AudioDriverCS42448Class
	Driver API for CS42448 TDS DAC/ADC. More...

class	AudioDriverCS43l22Class
	Driver API for the CS43l22 codec chip on 0x94 (0x4A<<1) More...

class	AudioDriverES7210Class
	Driver API for ES7210 codec chip. This chip supports only input! More...

class	AudioDriverES7243Class
	Driver API for Lyrat ES7243 codec chip. More...

class	AudioDriverES7243eClass
	Driver API for ES7243e codec chip. More...

class	AudioDriverES8156Class
	Driver API for ES8156 codec chip. More...

class	AudioDriverES8311Class
	Driver API for Lyrat ES8311 codec chip. More...

class	AudioDriverES8374Class
	Driver API for ES8374 codec chip. More...

class	AudioDriverES8388Class
	Driver API for ES8388 codec chip. More...

class	AudioDriverLyratMiniClass
	Driver API for Lyrat Mini with a ES8311 and a ES7243 codec chip. More...

class	AudioDriverNAU8325Class

class	AudioDriverPCM3168Class
	Driver API for the CS43l22 codec chip on 0x94 (0x4A<<1) More...

class	AudioDriverTAS5805MClass
	Driver API for TAS5805M codec chip. More...

class	AudioDriverWM8960Class
	Driver API for WM8990 codec chip. More...

class	AudioDriverWM8978Class
	Driver API for the wm8978 codec chip. More...

class	AudioDriverWM8994Class
	Driver API for the wm8994 codec chip. More...

class	CodecConfig
	I2S configuration and definition of input and output with default values. More...

class	DriverPins
	All pins for i2s, spi, i2c and other pins. More...

class	DriverTouchClass
	Support for Touch. More...

class	GPIO
	Abstraction for digital GPIO pin operations. More...

class	GPIOExt

class	IDriverPins

class	NoDriverClass
	Dummy Driver which does nothing. More...

class	PinsAudioKitAC101Class
	Pins for alt AC101 AudioDriver - use the PinsAudioKitAC101 object! More...

class	PinsAudioKitEs8388v1Class
	Pins for Es8388 AudioDriver - use the PinsAudioKitEs8388v1 object! More...

class	PinsAudioKitEs8388v2Class
	Pins for alt Es8388 AudioDriver - use the PinsAudioKitEs8388v2 object! More...

class	PinsESP32S3AISmartSpeakerClass
	Pins for ESP32 S3 AI Smart Speaker - use the PinsESP32S3AISmartSpeaker object! We support the TCA9555 GPIO expander! More...

struct	PinsFunction
	Pins for LED, Buttons, AMP etc. More...

struct	PinsI2C
	I2C pins. More...

struct	PinsI2S
	I2S pins. More...

class	PinsLyrat42Class
	Pins for Lyrat 4.2 - use the PinsLyrat42 object! More...

class	PinsLyrat43Class
	Pins for Lyrat 4.3 - use the PinsLyrat43 object! More...

class	PinsLyratMiniClass
	Pins for Lyrat Mini - use the PinsLyratMini object! More...

struct	PinsSPI
	SPI pins: In Arduino we initialize the SPI, on other platform we just provide the pin information. More...

class	PinsSTM32F411DiscoClass
	Pins the STM32F411Disco board using the CS43L22 codec. More...

class	TCA9555
	Driver for the TCA9555 I2C I/O expander (header-only). More...

Enumerations
enum	AudioDriverKey { KEY_REC = 0 , KEY_MODE , KEY_PLAY , KEY_SET , KEY_VOLUME_DOWN , KEY_VOLUME_UP }

enum class	PinFunction { UNDEFINED = 0 , HEADPHONE_DETECT , AUXIN_DETECT , PA , POWER , LED , KEY , SD , CODEC , CODEC_ADC , LATCH , RESET , MCLK_SOURCE , EXPANDER }

enum class	PinLogic { InputActiveHigh , InputActiveLow , InputActiveTouch , Input , Output , Inactive }

Functions
static AudioDriverCombined	AudioDriverES8311_ES7210 (AudioDriverES8311, AudioDriverES7210)

static AudioDriverCombined	AudioDriverES8311_ES7243 (AudioDriverES8311, AudioDriverES7243)

Variables
static AudioDriverAC101Class	AudioDriverAC101

static AudioDriverCS42448Class	AudioDriverCS42448

static AudioDriverCS43l22Class	AudioDriverCS43l22

static AudioDriverES7210Class	AudioDriverES7210

static AudioDriverES7243Class	AudioDriverES7243

static AudioDriverES7243eClass	AudioDriverES7243e

static AudioDriverES8156Class	AudioDriverES8156

static AudioDriverES8311Class	AudioDriverES8311

static AudioDriverES8374Class	AudioDriverES8374

static AudioDriverES8388Class	AudioDriverES8388

static AudioDriverES8388Class	AudioDriverES8388H0 {0}

static AudioDriverES8388Class	AudioDriverES8388H1 {1}

static AudioDriverES8388Class	AudioDriverES8388H2 {2}

static AudioDriverES8388Class	AudioDriverES8388H3 {3}

static AudioDriverLyratMiniClass	AudioDriverLyratMini

static AudioDriverNAU8325Class	AudioDriverNAU8325

static AudioDriverPCM3168Class	AudioDriverPCM3168

static AudioDriverWM8960Class	AudioDriverWM8960

static AudioDriverWM8978Class	AudioDriverWM8978

static AudioDriverWM8994Class	AudioDriverWM8994

static AudioBoard	AudioKitAC101 {AudioDriverAC101, PinsAudioKitAC101}

static AudioBoard	AudioKitEs8388V1 {AudioDriverES8388, PinsAudioKitEs8388v1}

static AudioBoard	AudioKitEs8388V2 {AudioDriverES8388, PinsAudioKitEs8388v2}

static PinsSPI	ESP32PinsSD {PinFunction::SD, 14, 2, 15, 13, SPI}
	Default SPI pins for ESP32 Lyrat, AudioDriver etc CLK, MISO, MOSI, CS.

static AudioBoard	ESP32S3AISmartSpeaker

static AudioBoard	GenericCS43l22 {AudioDriverCS43l22, NoPins}

static AudioBoard	GenericWM8960 {AudioDriverWM8960, NoPins}

static AudioBoard	LyratMini {AudioDriverLyratMini, PinsLyratMini}

static AudioBoard	LyratV42 {AudioDriverES8388H3, PinsLyrat42}

static AudioBoard	LyratV43 {AudioDriverES8388H3, PinsLyrat43}

static AudioBoard	NoBoard {NoDriver, NoPins}

static NoDriverClass	NoDriver

static DriverPins	NoPins
	Pins need to be set up in the sketch.

static PinsAudioKitAC101Class	PinsAudioKitAC101

static PinsAudioKitEs8388v1Class	PinsAudioKitEs8388v1

static PinsAudioKitEs8388v2Class	PinsAudioKitEs8388v2

static PinsESP32S3AISmartSpeakerClass	PinsESP32S3AISmartSpeaker

static PinsLyrat42Class	PinsLyrat42

static PinsLyrat43Class	PinsLyrat43

static PinsLyratMiniClass	PinsLyratMini

static PinsSTM32F411DiscoClass	PinsSTM32F411Disco

const samplerate_t	rate_code [14]

const int	rate_num [14]

static AudioBoard	STM32F411Disco {AudioDriverCS43l22, PinsSTM32F411Disco}

Detailed Description

Namespace for audio driver components.

Enumeration Type Documentation

◆ AudioDriverKey

enum AudioDriverKey

Enumerator
KEY_REC
KEY_MODE
KEY_PLAY
KEY_SET
KEY_VOLUME_DOWN
KEY_VOLUME_UP

◆ PinFunction

enum class PinFunction

strong

Enumerator
UNDEFINED
HEADPHONE_DETECT
AUXIN_DETECT
PA
POWER
LED
KEY
SD
CODEC
CODEC_ADC
LATCH
RESET
MCLK_SOURCE
EXPANDER

◆ PinLogic

enum class PinLogic

strong

Enumerator
InputActiveHigh
InputActiveLow
InputActiveTouch
Input
Output
Inactive

Variable Documentation

◆ ESP32PinsSD

PinsSPI ESP32PinsSD {PinFunction::SD, 14, 2, 15, 13, SPI}

static

Default SPI pins for ESP32 Lyrat, AudioDriver etc CLK, MISO, MOSI, CS.

◆ rate_code

const samplerate_t rate_code[14]

Initial value:

= {
    RATE_8K,  RATE_11K, RATE_16K, RATE_22K, RATE_24K,  RATE_32K,  RATE_44K,
    RATE_48K, RATE_64K, RATE_88K, RATE_96K, RATE_128K, RATE_176K, RATE_192K}

◆ rate_num

const int rate_num[14]

Initial value:

= {8000, 11025, 16000, 22050, 24000, 32000, 44100,

48000, 64000, 88200, 96000, 128000, 176400, 192000}

Classes

Enumerations

Functions

Variables