Transmit and receive data via BLE using a Serial API. The following additional experimental features are offered: setFramed(true) tries to keep the original write sizes; setAudioInfoActive(true) informs about changes in the audio info. More...

#include <AudioBLEStream.h>

Inheritance diagram for AudioBLEStream:

Public Member Functions
	AudioBLEStream (int defaultMTU)

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

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

virtual int	availableForWrite () override

virtual bool	begin ()

virtual void	clearNotifyAudioChange ()
	Deletes all change notify subscriptions.

virtual bool	connected ()=0

virtual void	end ()=0

virtual void	flush () override

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

	operator bool ()

virtual size_t	readBytes (uint8_t *data, size_t len) override

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	setAudioInfo (AudioInfo info)
	Defines the input AudioInfo.

void	setAudioInfoActive (bool flag)

void	setAudioInfoUUID (const char *uuid)

void	setFramed (bool flag)

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

void	setRxUUID (const char *uuid)

void	setServiceUUID (const char *uuid)

void	setTxUUID (const char *uuid)

AudioInfo	toInfo (const uint8_t *str)

StrView	toStr (AudioInfo info)

virtual size_t	write (const uint8_t *data, size_t len) override

virtual size_t	write (uint8_t ch) override

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

Protected Member Functions
	AudioBLEStream (AudioBLEStream const &other)=delete

virtual int	getMTU ()=0

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

void	notifyAudioChange (AudioInfo info)

void	operator= (AudioBLEStream const &other)=delete

void	refillReadBuffer ()

virtual void	setAudioInfo (const uint8_t *data, size_t size)

virtual void	writeAudioInfoCharacteristic (AudioInfo info)=0

Protected Attributes
int	_timeout = 10

char	audio_info_str [40]

const char *	BLE_AUDIO_SERVICE_UUID = "6e400001-b5a3-f393-e0a9-e50e24dcca9e"

const char *	BLE_CH1_UUID = "6e400002-b5a3-f393-e0a9-e50e24dcca9e"

const char *	BLE_CH2_UUID = "6e400003-b5a3-f393-e0a9-e50e24dcca9e"

const char *	BLE_INFO_UUID = "6e400004-b5a3-f393-e0a9-e50e24dcca9e"

const char *	ble_server_name = nullptr

AudioInfo	info

bool	is_audio_info_active = false

bool	is_framed = false

bool	is_notify_active = true

bool	is_started = false

uint16_t	max_transfer_size = 0

Vector< AudioInfoSupport * >	notify_vector

RingBuffer< uint8_t >	tmp_in {0}

RingBuffer< uint8_t >	tmp_out {0}

Detailed Description

Transmit and receive data via BLE using a Serial API. The following additional experimental features are offered: setFramed(true) tries to keep the original write sizes; setAudioInfoActive(true) informs about changes in the audio info.

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

src/AudioTools/Sandbox/BLE/AudioBLEStream.h

Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description