New functionality which replaces the AudioKitStream that is based on the legacy AudioKit library. This functionality uses the new arduino-audio-driver library! It is the same as I2SCodecStream extended by some AudioActions and some method calls to determine defined pin values. See https://github.com/pschatzmann/arduino-audio-driver. More...

#include <AudioBoardStream.h>

Inheritance diagram for AudioBoardStream:

Public Member Functions
	AudioBoardStream (audio_driver::AudioBoard &board)
	Default constructor: for available AudioBoard values check the audioboard variables in https://pschatzmann.github.io/arduino-audio-driver/html/group__audio__driver.html Further information can be found in https://github.com/pschatzmann/arduino-audio-driver/wiki.

float	actionVolumeIncrementValue ()

void	addAction (AudioDriverKey key, void(action)(bool, int, void ), void *ref=nullptr)
	Defines a new action that is executed when the Button is pressed.

void	addAction (AudioDriverKey key, void(actionOn)(bool, int, void ), void(actionOff)(bool, int, void ), void *ref=nullptr)
	Defines a new action that is executed when the Button is pressed and released.

void	addAction (int pin, void(action)(bool, int, void ), AudioActions::ActiveLogic activeLogic, void *ref=nullptr)
	Defines a new action that is executed when the indicated pin is active. More...

void	addAction (int pin, void(action)(bool, int, void ), void *ref=nullptr)
	Defines a new action that is executed when the indicated pin is active. More...

void	addDefaultActions ()
	Setup the supported default actions (volume, start/stop, headphone detection)

void	addHeadphoneDetectionAction ()
	Adds headphone determination.

virtual void	addNotifyAudioChange (AudioInfoSupport &bi)
	Adds target to be notified about audio changes.

void	addStartStopAction ()
	add start/stop on inputMode

void	addVolumeActions ()
	add volume up and volume down action

AudioActions &	audioActions ()
	Provides access to the AudioActions.

virtual AudioInfo	audioInfo () override
	provides the actual input AudioInfo

virtual AudioInfo	audioInfoOut ()
	provides the actual output AudioInfo: this is usually the same as audioInfo() unless we use a transforming stream

virtual int	available () override
	Provides the available audio data.

virtual int	availableForWrite () override
	Provides the available audio data.

bool	begin () override

bool	begin (I2SCodecConfig cfg) override
	Starts the I2S interface.

AudioBoard &	board ()
	Provides the board.

virtual void	clearNotifyAudioChange ()
	Deletes all change notify subscriptions.

I2SCodecConfig	defaultConfig (RxTxMode mode=TX_MODE)
	Provides the default configuration.

I2SDriver *	driver ()
	Provides the i2s driver.

void	end ()
	Stops the I2S interface.

virtual void	flush () override

AudioActions &	getActions ()

GpioPin	getKey (int pos)
	Provides the gpio for the indicated key pos.

GpioPin	getPinID (PinFunction function)
	Provides the gpio for the indicated function.

GpioPin	getPinID (PinFunction function, int pos)
	Provides the gpio for the indicated function.

DriverPins &	getPins ()
	Provides access to the pin information.

float	getVolume ()
	legacy: same as volume()

bool	hasBoard ()
	checks if a board has been defined

bool	headphoneStatus ()
	Returns true if the headphone was detected. More...

void	incrementVolume (float inc)
	Relative volume control. More...

bool	isKeyPressed (int key)

bool	isNotifyActive ()
	Checks if the automatic AudioInfo update is active.

virtual	operator bool ()

GpioPin	pinAuxin ()
	Get the gpio number for auxin detection. More...

GpioPin	pinHeadphoneDetect ()
	Get the gpio number for headphone detection. More...

GpioPin	pinInputMode ()
	Get the number for mode-button. More...

GpioPin	pinInputPlay ()
	Get number for play function. More...

GpioPin	pinInputRec ()
	Get the record-button id for adc-button. More...

GpioPin	pinInputSet ()
	Get number for set function. More...

GpioPin	pinLed (int idx)
	Get LED pin. More...

GpioPin	pinPaEnable ()
	Get the gpio number for PA enable. More...

GpioPin	pinVolumeDown ()
	Get number for volume down function. More...

GpioPin	pinVolumeUp ()
	number for volume up function More...

void	processActions ()
	Process input keys and pins.

virtual size_t	readBytes (uint8_t *data, size_t len) override
	Reads the audio data.

virtual size_t	readSilence (uint8_t *buffer, size_t length)
	Source to generate silence: just sets the buffer to 0.

virtual bool	removeNotifyAudioChange (AudioInfoSupport &bi)
	Removes a target in order not to be notified about audio changes.

void	setActionVolumeIncrementValue (float value)
	Defines the increment value used by actionVolumeDown/actionVolumeUp.

void	setActive (bool active)
	The oposite of setMute(): setActive(true) calls setMute(false)

virtual void	setAudioInfo (AudioInfo info)
	updates the sample rate dynamically

void	setBoard (AudioBoard &board)
	(re)defines the board

void	setBoard (AudioBoard *board)
	(re)defines the board

bool	setInputVolume (float vol)
	Sets the volume of the microphone (if available)

bool	setMute (bool mute)
	Mute / unmote.

bool	setMute (bool mute, int line)
	Mute / unmute of an individual line (codec)

void	setNotifyActive (bool flag)
	Deactivate/Reactivate automatic AudioInfo updates: (default is active)

bool	setPAPower (bool active)
	Sets the output of the PA Power Pin.

void	setSpeakerActive (bool active)
	the same as setPAPower()

bool	setVolume (float vol) override
	sets the volume (range 0.0f - 1.0f)

float	volume () override
	Provides the actual volume (0.0f - 1.0f)

virtual size_t	write (const uint8_t *data, size_t len)
	Writes the audio data to I2S.

virtual size_t	write (uint8_t ch) override

virtual void	writeSilence (size_t len)
	Writes len bytes of silence (=0).

Static Public Member Functions
static void	actionHeadphoneDetection (bool, int, void *ref)
	Switch off the PA if the headphone in plugged in and switch it on again if the headphone is unplugged. This method complies with the.

static void	actionStart (bool, int, void *ref)
	Start.

static void	actionStartStop (bool, int, void *ref)
	Toggle start stop.

static void	actionStop (bool, int, void *ref)
	Stop.

static void	actionVolumeDown (bool, int, void *ref)
	Decrease the volume.

static void	actionVolumeUp (bool, int, void *ref)
	Increase the volume.

Protected Member Functions
bool	begin1 ()

bool	beginCodec (I2SCodecConfig info)

AudioActions::ActiveLogic	getActionLogic (int pin)
	Determines the action logic (ActiveLow or ActiveTouch) for the pin.

audio_driver_local::Optional< PinsI2S >	getI2SPins ()

int	getSdCsPin ()

virtual int	not_supported (int out, const char *msg="")

void	notifyAudioChange (AudioInfo info)

void	refillReadBuffer ()

void	setupI2SFunction ()
	if the cfg.i2s_function was not defined we determine the "correct" default value

void	setupI2SPins ()
	We use the board pins if they are available.

sample_bits_t	toCodecBits (int bits)

i2s_format_t	toFormat (I2SFormat fmt)

samplerate_t	toRate (int rate)

Protected Attributes
int	_timeout = 10

float	action_increment_value = 0.02

AudioActions	actions

bool	active = true

I2SCodecConfig	cfg

CodecConfig	codec_cfg

bool	headphoneIsConnected = false

I2SStream	i2s

AudioInfo	info

bool	is_active = false

bool	is_notify_active = true

Vector< AudioInfoSupport * >	notify_vector

AudioBoard *	p_board = nullptr

RingBuffer< uint8_t >	tmp_in {0}

RingBuffer< uint8_t >	tmp_out {0}

float	volume_value = 1.0f

Detailed Description

New functionality which replaces the AudioKitStream that is based on the legacy AudioKit library. This functionality uses the new arduino-audio-driver library! It is the same as I2SCodecStream extended by some AudioActions and some method calls to determine defined pin values. See https://github.com/pschatzmann/arduino-audio-driver.

Author: Phil Schatzmann

Copyright: GPLv3

Member Function Documentation

◆ addAction() [1/2]

void addAction	(	int	pin,
		void()(bool, int, void )	action,
		AudioActions::ActiveLogic	activeLogic,
		void *	ref = `nullptr`
	)

inline

Defines a new action that is executed when the indicated pin is active.

Parameters

pin
action
activeLogic
ref

◆ addAction() [2/2]

void addAction	(	int	pin,
		void()(bool, int, void )	action,
		void *	ref = `nullptr`
	)

inline

Defines a new action that is executed when the indicated pin is active.

Parameters

pin
action
ref

◆ headphoneStatus()

bool headphoneStatus ( )

inline

Returns true if the headphone was detected.

Returns: true; false

◆ incrementVolume()

void incrementVolume ( float inc )

inline

Relative volume control.

Parameters

vol

◆ pinAuxin()

GpioPin pinAuxin ( )

inline

Get the gpio number for auxin detection.

Returns: -1 non-existent Others gpio number

◆ pinHeadphoneDetect()

GpioPin pinHeadphoneDetect ( )

inline

Get the gpio number for headphone detection.

Returns: -1 non-existent Others gpio number

◆ pinInputMode()

GpioPin pinInputMode ( )

inline

Get the number for mode-button.

Returns: -1 non-existent Others number

◆ pinInputPlay()

GpioPin pinInputPlay ( )

inline

Get number for play function.

Returns: -1 non-existent Others number

◆ pinInputRec()

GpioPin pinInputRec ( )

inline

Get the record-button id for adc-button.

Returns: -1 non-existent Others button id

◆ pinInputSet()

GpioPin pinInputSet ( )

inline

Get number for set function.

Returns: -1 non-existent Others number

◆ pinLed()

GpioPin pinLed ( int idx )

inline

Get LED pin.

Returns: -1 non-existent Others gpio number

◆ pinPaEnable()

GpioPin pinPaEnable ( )

inline

Get the gpio number for PA enable.

Returns: -1 non-existent Others gpio number

◆ pinVolumeDown()

GpioPin pinVolumeDown ( )

inline

Get number for volume down function.

Returns: -1 non-existent Others number

◆ pinVolumeUp()

GpioPin pinVolumeUp ( )

inline

number for volume up function

Returns: -1 non-existent Others number

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

src/AudioTools/AudioLibs/AudioBoardStream.h

Public Member Functions

Static Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

Member Function Documentation

◆ addAction() [1/2]

◆ addAction() [2/2]

◆ headphoneStatus()

◆ incrementVolume()

◆ pinAuxin()

◆ pinHeadphoneDetect()

◆ pinInputMode()

◆ pinInputPlay()

◆ pinInputRec()

◆ pinInputSet()

◆ pinLed()

◆ pinPaEnable()

◆ pinVolumeDown()

◆ pinVolumeUp()