AudioPlayer.h File Reference

#include "main.h"
#include "usbd_audio.h"

Go to the source code of this file.

Data Structures
struct	AUDIO_OUT_BufferTypeDef

Macros
#define	AUDIO_OUT_BUFFER_SIZE   2*AUDIO_TOTAL_BUF_SIZE

Enumerations
enum	BUFFER_StateTypeDef { BUFFER_OFFSET_NONE = 0, BUFFER_OFFSET_HALF, BUFFER_OFFSET_FULL }
enum	AUDIO_ErrorTypeDef { AUDIO_ERROR_NONE = 0, AUDIO_ERROR_IO, AUDIO_ERROR_EOF, AUDIO_ERROR_INVALID_VALUE }

Functions
AUDIO_ErrorTypeDef	AUDIO_PLAYER_Init (int outSelection, int sampleFreq)
	Initializes Audio Interface. More...
AUDIO_ErrorTypeDef	AUDIO_PLAYER_Start (void)
	Starts Audio streaming. More...
void	AUDIO_PLAYER_Restart (void)
AUDIO_ErrorTypeDef	AUDIO_PLAYER_Process (void)
	Manages Audio process. More...
AUDIO_ErrorTypeDef	AUDIO_PLAYER_Stop (void)
	Stops Audio streaming. More...
int	AUDIO_PLAYER_GetClock (void)
void	AUDIO_PLAYER_ReleaseClock (int trig)
int	AUDIO_PLAYER_GetBuffer (uint8_t **out_BufAddr)
void	AUDIO_Player_CpyBuf (uint8_t *buf)
	Copy USB input buffer to SAI output buffer. More...
void	AUDIO_Player_QueueBuf (uint8_t *buf, int len)
	Put the Network Audio samples into SAI output buffer. More...
int	AUDIO_PLAYER_GetState (void)
void	AUDIO_Player_IncHeartbeat (void)
	Increment the audio reception counter (heartbeat) More...
unsigned long	AUDIO_Player_GetHeartbeat (void)
	Get the counter (heartbeat) if we have audio reception. More...
void	AUDIO_Player_UDANTERestart (void)
	Restart and sync audio for Network Audio. More...

Macro Definition Documentation

#define AUDIO_OUT_BUFFER_SIZE   2*AUDIO_TOTAL_BUF_SIZE

Definition at line 17 of file AudioPlayer.h.

Enumeration Type Documentation

enum AUDIO_ErrorTypeDef

Enumerator
AUDIO_ERROR_NONE
AUDIO_ERROR_IO
AUDIO_ERROR_EOF
AUDIO_ERROR_INVALID_VALUE

Definition at line 34 of file AudioPlayer.h.

enum BUFFER_StateTypeDef

Enumerator
BUFFER_OFFSET_NONE
BUFFER_OFFSET_HALF
BUFFER_OFFSET_FULL

Definition at line 20 of file AudioPlayer.h.

Function Documentation

void AUDIO_Player_CpyBuf

(

uint8_t *

buf

)

Copy USB input buffer to SAI output buffer.

Parameters

buf	- pointer to the USB input samples

Return values

None

Definition at line 227 of file AudioPlayer.c.

int AUDIO_PLAYER_GetBuffer

(

uint8_t **

out_BufAddr

)

Definition at line 117 of file AudioPlayer.c.

int AUDIO_PLAYER_GetClock

(

void

)

Definition at line 72 of file AudioPlayer.c.

unsigned long AUDIO_Player_GetHeartbeat

(

void

)

Get the counter (heartbeat) if we have audio reception.

Parameters

None

Return values

ulong

- the audio reception counter

Definition at line 353 of file AudioPlayer.c.

int AUDIO_PLAYER_GetState

(

void

)

Definition at line 109 of file AudioPlayer.c.

void AUDIO_Player_IncHeartbeat

(

void

)

Increment the audio reception counter (heartbeat)

Parameters

None

Return values

None

Definition at line 371 of file AudioPlayer.c.

AUDIO_ErrorTypeDef AUDIO_PLAYER_Init	(	int	outSelection,
		int	sampleFreq
	)

Initializes Audio Interface.

Parameters

None

Return values

Audio

error

Definition at line 128 of file AudioPlayer.c.

AUDIO_ErrorTypeDef AUDIO_PLAYER_Process

(

void

)

Manages Audio process.

Parameters

None

Return values

Audio

error

Definition at line 180 of file AudioPlayer.c.

void AUDIO_Player_QueueBuf	(	uint8_t *	buf,
		int	len
	)

Put the Network Audio samples into SAI output buffer.

Parameters

buf	- the pointer to the Audio Network samples
len	- the length of the Audio Samples, in bytes

Return values

None

Definition at line 304 of file AudioPlayer.c.

void AUDIO_PLAYER_ReleaseClock

(

int

trig

)

Definition at line 97 of file AudioPlayer.c.

void AUDIO_PLAYER_Restart

(

void

)

Definition at line 168 of file AudioPlayer.c.

AUDIO_ErrorTypeDef AUDIO_PLAYER_Start

(

void

)

Starts Audio streaming.

Parameters

idx	File index

Return values

Audio

error

Definition at line 161 of file AudioPlayer.c.

AUDIO_ErrorTypeDef AUDIO_PLAYER_Stop

(

void

)

Stops Audio streaming.

Parameters

None

Return values

Audio

error

Definition at line 190 of file AudioPlayer.c.

void AUDIO_Player_UDANTERestart

(

void

)

Restart and sync audio for Network Audio.

Parameters

None

Return values

None

Definition at line 342 of file AudioPlayer.c.