AnalogDriverESP32V2 Class Reference

AnalogAudioStream: A very fast DAC using DMA using the new dac_continuous API. This implementation assumes that the issue with the different number of samples per channel has been resolved! https://github.com/espressif/esp-idf/issues/12337. More...

#include <AnalogDriverESP32V2.h>

Inheritance diagram for AnalogDriverESP32V2:

Classes
class	IO16Bit

Public Member Functions
	AnalogDriverESP32V2 ()=default
	Default constructor.
virtual	~AnalogDriverESP32V2 ()
	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
bool	checkADCBitsPerSample ()
bool	checkADCBitWidth ()
bool	checkADCChannels ()
bool	checkADCSampleRate ()
bool	cleanup_rx ()
	Cleanup Analog to Digital Converter.
bool	cleanup_tx ()
	Cleanup dac.
void	cleanupADCCalibration ()
int	configuredRxBytes () const
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}
int	rx_pins_attached = 0
bool	rx_started = false
audio_tools::AnalogDriverESP32V2::IO16Bit	this

Detailed Description

AnalogAudioStream: A very fast DAC using DMA using the new dac_continuous API. This implementation assumes that the issue with the different number of samples per channel has been resolved! https://github.com/espressif/esp-idf/issues/12337.

Author

Phil Schatzmann

Copyright

GPLv3

Constructor & Destructor Documentation

AnalogDriverESP32V2()

AnalogDriverESP32V2 ( )

default

Default constructor.

~AnalogDriverESP32V2()

virtual ~AnalogDriverESP32V2 ( )

inlinevirtual

Destructor.

Member Function Documentation

available()

int available ( )

inlineoverridevirtual

Implements AnalogDriverBase.

availableForWrite()

virtual int availableForWrite ( )

inlinevirtualinherited

Reimplemented in AnalogDriverMBED, AnalogDriverArduino, and AnalogDriverZephyr.

begin() [1/2]

virtual bool begin ( AnalogConfig  cfg )

pure virtualinherited

Implemented in AnalogDriverArduino, AnalogDriverMBED, AnalogDriverZephyr, 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

configuredRxBytes()

int configuredRxBytes ( ) const

inlineprotected

end()

void end ( )

inlineoverridevirtual

Stop and uninstalls the driver

Implements AnalogDriverBase.

readBytes()

size_t readBytes ( uint8_t *  dest, size_t  size_bytes  )

inlineoverridevirtual

Implements AnalogDriverBase.

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

rx_pins_attached

int rx_pins_attached = 0

protected

rx_started

bool rx_started = false

protected

this

audio_tools::AnalogDriverESP32V2::IO16Bit this

protected

---

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

• src/AudioTools/CoreAudio/AudioAnalog/AnalogDriverESP32V2.h