We support the Stream interface for the I2S access. In addition we allow a separate mute pin which might also be used to drive a LED... More...

#include <I2SStream.h>

Inheritance diagram for I2SStream:

Public Member Functions
virtual AudioInfo	audioInfo () override

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

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

bool	begin ()

bool	begin (I2SConfig cfg)
	Starts the I2S interface.

I2SConfig	defaultConfig (RxTxMode mode=TX_MODE)
	Provides the default configuration.

I2SDriver *	driver ()
	Provides access to the driver.

void	end ()
	Stops the I2S interface.

void	flush () override

	operator bool ()

virtual size_t	readBytes (uint8_t *data, size_t length) 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 void	setAudioInfo (AudioInfo info)
	updates the sample rate dynamically

virtual void	setNotifyAudioChange (AudioInfoSupport &bi) override

virtual bool	validate (AudioInfo &info)

virtual size_t	write (const uint8_t *buffer, size_t size)
	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).

Protected Member Functions
void	mute (bool is_mute)
	set mute pin on or off

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

void	refillReadBuffer ()

Detailed Description

We support the Stream interface for the I2S access. In addition we allow a separate mute pin which might also be used to drive a LED...

Template Parameters

T

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

Public Member Functions