ESPNowStream Class Reference

ESPNow as Arduino Stream. More...

#include <ESPNowStream.h>

Inheritance diagram for ESPNowStream:

Public Member Functions
bool	addPeer (const char *address)
	Adds a peer to which we can send info or from which we can receive info.
bool	addPeer (esp_now_peer_info_t &peer)
	Adds a peer to which we can send info or from which we can receive info.
template<size_t size>
bool	addPeers (const char *(&array)[size])
	Adds an array of.
int	available () override
int	availableForWrite () override
bool	begin ()
	Initialization of ESPNow.
bool	begin (ESPNowStreamConfig cfg)
	Initialization of ESPNow incl WIFI.
ESPNowStreamConfig	defaultConfig ()
void	end ()
	DeInitialization.
virtual void	flush () override
float	getBufferPercent ()
	provides how much the receive buffer is filled (in percent)
const char *	macAddress ()
	Returns the mac address of the current ESP32.
	operator bool ()
size_t	readBytes (uint8_t *data, size_t len) override
	Reeds the data from the peers.
void	setReceiveCallback (esp_now_recv_cb_t cb)
void	setSendCallback (esp_now_send_cb_t cb)
	Defines an alternative send callback.
size_t	write (const uint8_t *data, size_t len) override
	Writes the data - sends it to all the peers.
virtual size_t	write (uint8_t ch) override

Protected Member Functions
wifi_interface_t	getInterface ()
bool	isEncrypted ()
const char *	mac2str (const uint8_t *array)
void	refillReadBuffer ()
void	resetAvailableToWrite ()
bool	setup ()
	Initialization.
void	setupReceiveBuffer ()
void	setupSemaphore ()
bool	str2mac (const char *mac, uint8_t *values)

Static Protected Member Functions
static int	bufferAvailableForWrite ()
static void	default_recv_cb (const esp_now_recv_info *info, const uint8_t *data, int data_len)
static void	default_send_cb (const uint8_t *mac_addr, esp_now_send_status_t status)

Protected Attributes
int	_timeout = 10
volatile size_t	available_to_write = 0
BufferRTOS< uint8_t >	buffer {0}
ESPNowStreamConfig	cfg
bool	is_init = false
esp_now_recv_cb_t	receive = default_recv_cb
esp_now_send_cb_t	send = default_send_cb
RingBuffer< uint8_t >	tmp_in {0}
RingBuffer< uint8_t >	tmp_out {0}
SemaphoreHandle_t	xSemaphore = nullptr

Detailed Description

ESPNow as Arduino Stream.

Author

Phil Schatzmann

Copyright

GPLv3

Member Function Documentation

available()

int available ( )

inlineoverridevirtual

Reimplemented from BaseStream.

availableForWrite()

int availableForWrite ( )

inlineoverridevirtual

Reimplemented from BaseStream.

begin()

bool begin ( )

inlinevirtual

Initialization of ESPNow.

Reimplemented from BaseStream.

end()

void end ( )

inlinevirtual

DeInitialization.

Reimplemented from BaseStream.

flush()

virtual void flush ( )

inlineoverridevirtualinherited

Reimplemented from Print.

Reimplemented in ResampleStream, BufferedTaskStream, and BufferedStream.

readBytes()

size_t readBytes ( uint8_t *  data, size_t  len  )

inlineoverridevirtual

Reeds the data from the peers.

Implements BaseStream.

setReceiveCallback()

void setReceiveCallback ( esp_now_recv_cb_t  cb )

inline

Defines the Receive Callback - Deactivates the readBytes and available() methods!

write() [1/2]

size_t write ( const uint8_t *  data, size_t  len  )

inlineoverridevirtual

Writes the data - sends it to all the peers.

Implements BaseStream.

write() [2/2]

virtual size_t write ( uint8_t  ch )

inlineoverridevirtualinherited

Reimplemented in BufferedTaskStream, and BufferedStream.

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

• src/AudioTools/Communication/ESPNowStream.h