AnalogAudioStream: A very fast DAC using DMA using the new dac_continuous API. More...

#include <AnalogDriverESP32V1.h>

Inheritance diagram for AnalogDriverESP32V1:

Classes
class	FIFO
	Custom FIFO class. More...

class	IO16Bit

Public Member Functions
	AnalogDriverESP32V1 ()
	Default constructor.

virtual	~AnalogDriverESP32V1 ()
	Destructor.

int	available () override

virtual int	availableForWrite ()

virtual bool	begin (AnalogConfig cfg)=0

bool	begin (AnalogConfigESP32V1 cfg)

void	end () override

size_t	readBytes (uint8_t *dest, size_t size_bytes) override

size_t	write (const uint8_t *src, size_t size_bytes) override

Protected Member Functions
int	availableFramesFromFifos () const

int	availableFromFifoBytes () const

bool	checkADCBitsPerSample ()

bool	checkADCBitWidth ()

bool	checkADCChannels ()

bool	checkADCSampleRate ()

bool	cleanup_rx ()
	Cleanup Analog to Digital Converter.

bool	cleanup_tx ()
	Cleanup dac.

void	cleanupADCCalibration ()

void	cleanupFifoBuffers ()

void	cleanupScratchBuffer ()

int	configuredRxBytes () const

int	emitFramesFromFifos (int16_t *dest, int max_frames)

size_t	fifoCapacityFromConvFrameBytes (size_t conv_frame_bytes) const

int	getChannelIndex (ADC_CHANNEL_TYPE chan_num) const

int16_t	getOutputSample (ADC_DATA_TYPE data)

bool	isValidType2Record (const adc_digi_output_data_t &sample) const

bool	pushAdcChunkToReorderBuffers (const adc_digi_output_data_t *data, int samples_read)

void	resetReorderState ()

bool	setup_rx ()

bool	setup_tx ()

bool	setupADCCalibration ()

Protected Attributes
bool	active = false

bool	active_rx = false

bool	active_tx = false

adc_cali_handle_t	adc_cali_handle = nullptr

bool	adc_cali_handle_active = false

adc_continuous_handle_t	adc_handle = nullptr

ConverterAutoCenter	auto_center

AnalogConfigESP32V1	cfg

NumberFormatConverterStream	converter {io}

FIFO< ADC_DATA_TYPE > **	fifo_buffers = nullptr

int	rx_pins_attached = 0

adc_digi_output_data_t *	rx_result_buffer = nullptr

size_t	rx_result_buffer_bytes = 0

size_t	rx_result_buffer_samples = 0

bool	rx_started = false

audio_tools::AnalogDriverESP32V1::IO16Bit	this

Detailed Description

AnalogAudioStream: A very fast DAC using DMA using the new dac_continuous API.

Author: Phil Schatzmann

Copyright: GPLv3

Constructor & Destructor Documentation

◆ AnalogDriverESP32V1()

AnalogDriverESP32V1 ( )

inline

Default constructor.

◆ ~AnalogDriverESP32V1()

virtual ~AnalogDriverESP32V1 ( )

inlinevirtual

Destructor.

Member Function Documentation

◆ available()

int available ( )

inlineoverridevirtual

Implements AnalogDriverBase.

◆ availableForWrite()

virtual int availableForWrite ( )

inlinevirtualinherited

Reimplemented in AnalogDriverMBED, and AnalogDriverArduino.

◆ availableFramesFromFifos()

int availableFramesFromFifos ( ) const

inlineprotected

◆ availableFromFifoBytes()

int availableFromFifoBytes ( ) const

inlineprotected

◆ begin() [1/2]

virtual bool begin ( AnalogConfig cfg )

pure virtualinherited

Implemented in AnalogDriverArduino, AnalogDriverMBED, and AnalogDriverESP32.

◆ begin() [2/2]

bool begin ( AnalogConfigESP32V1 cfg )

inline

Start the Analog driver

◆ checkADCBitsPerSample()

bool checkADCBitsPerSample ( )

inlineprotected

◆ checkADCBitWidth()

bool checkADCBitWidth ( )

inlineprotected

◆ checkADCChannels()

bool checkADCChannels ( )

inlineprotected

◆ checkADCSampleRate()

bool checkADCSampleRate ( )

inlineprotected

◆ cleanup_rx()

bool cleanup_rx ( )

inlineprotected

Cleanup Analog to Digital Converter.

◆ cleanup_tx()

bool cleanup_tx ( )

inlineprotected

Cleanup dac.

◆ cleanupADCCalibration()

void cleanupADCCalibration ( )

inlineprotected

◆ cleanupFifoBuffers()

void cleanupFifoBuffers ( )

inlineprotected

◆ cleanupScratchBuffer()

void cleanupScratchBuffer ( )

inlineprotected

◆ configuredRxBytes()

int configuredRxBytes ( ) const

inlineprotected

◆ emitFramesFromFifos()

int emitFramesFromFifos	(	int16_t *	dest,
		int	max_frames
	)

inlineprotected

◆ end()

void end ( )

inlineoverridevirtual

Stop and uninstalls the driver

Implements AnalogDriverBase.

◆ fifoCapacityFromConvFrameBytes()

size_t fifoCapacityFromConvFrameBytes ( size_t conv_frame_bytes ) const

inlineprotected

◆ getChannelIndex()

int getChannelIndex ( ADC_CHANNEL_TYPE chan_num ) const

inlineprotected

◆ getOutputSample()

int16_t getOutputSample ( ADC_DATA_TYPE data )

inlineprotected

◆ isValidType2Record()

bool isValidType2Record ( const adc_digi_output_data_t & sample ) const

inlineprotected

◆ pushAdcChunkToReorderBuffers()

bool pushAdcChunkToReorderBuffers	(	const adc_digi_output_data_t *	data,
		int	samples_read
	)

inlineprotected

◆ readBytes()

size_t readBytes	(	uint8_t *	dest,
		size_t	size_bytes
	)

inlineoverridevirtual

Implements AnalogDriverBase.

◆ resetReorderState()

void resetReorderState ( )

inlineprotected

◆ setup_rx()

bool setup_rx ( )

inlineprotected

◆ setup_tx()

bool setup_tx ( )

inlineprotected

◆ setupADCCalibration()

bool setupADCCalibration ( )

inlineprotected

◆ write()

size_t write	(	const uint8_t *	src,
		size_t	size_bytes
	)

inlineoverridevirtual

Reimplemented from AnalogDriverBase.

Member Data Documentation

◆ active

bool active = false

protected

◆ active_rx

bool active_rx = false

protected

◆ active_tx

bool active_tx = false

protected

◆ adc_cali_handle

adc_cali_handle_t adc_cali_handle = nullptr

protected

◆ adc_cali_handle_active

bool adc_cali_handle_active = false

protected

◆ adc_handle

adc_continuous_handle_t adc_handle = nullptr

protected

◆ auto_center

ConverterAutoCenter auto_center

protected

◆ cfg

AnalogConfigESP32V1 cfg

protected

◆ converter

NumberFormatConverterStream converter {io}

protected

◆ fifo_buffers

FIFO<ADC_DATA_TYPE>** fifo_buffers = nullptr

protected

◆ rx_pins_attached

int rx_pins_attached = 0

protected

◆ rx_result_buffer

adc_digi_output_data_t* rx_result_buffer = nullptr

protected

◆ rx_result_buffer_bytes

size_t rx_result_buffer_bytes = 0

protected

◆ rx_result_buffer_samples

size_t rx_result_buffer_samples = 0

protected

◆ rx_started

bool rx_started = false

protected

◆ this

audio_tools::AnalogDriverESP32V1::IO16Bit this

protected

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

src/AudioTools/CoreAudio/AudioAnalog/AnalogDriverESP32V1.h

Classes

Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ AnalogDriverESP32V1()

◆ ~AnalogDriverESP32V1()

Member Function Documentation

◆ available()

◆ availableForWrite()

◆ availableFramesFromFifos()

◆ availableFromFifoBytes()

◆ begin() [1/2]

◆ begin() [2/2]

Start the Analog driver

◆ checkADCBitsPerSample()

◆ checkADCBitWidth()

◆ checkADCChannels()

◆ checkADCSampleRate()

◆ cleanup_rx()

◆ cleanup_tx()

◆ cleanupADCCalibration()

◆ cleanupFifoBuffers()

◆ cleanupScratchBuffer()

◆ configuredRxBytes()

◆ emitFramesFromFifos()

◆ end()

Stop and uninstalls the driver

◆ fifoCapacityFromConvFrameBytes()

◆ getChannelIndex()

◆ getOutputSample()

◆ isValidType2Record()

◆ pushAdcChunkToReorderBuffers()

◆ readBytes()

◆ resetReorderState()

◆ setup_rx()

◆ setup_tx()

◆ setupADCCalibration()

◆ write()

Member Data Documentation

◆ active

◆ active_rx

◆ active_tx

◆ adc_cali_handle

◆ adc_cali_handle_active

◆ adc_handle

◆ auto_center

◆ cfg

◆ converter

◆ fifo_buffers

◆ rx_pins_attached

◆ rx_result_buffer

◆ rx_result_buffer_bytes

◆ rx_result_buffer_samples

◆ rx_started

◆ this