spi_vscodec.c

Included Files

#include <nut/include/dev/vscodec.h>

#include <nut/include/sys/event.h>

#include <nut/include/sys/timer.h>

#include <nut/include/sys/nutdebug.h>

#include <nut/include/sys/bankmem.h>

#include <stdlib.h>

#include <string.h>

#include <nut/include/memdebug.h>

#include <nut/include/fcntl.h>

Preprocessor definitions

#define VSREQ_PLAY 0x00000001

#define VSREQ_CANCEL 0x00000002

#define VSREQ_VOLUPD 0x00000004

#define VSREQ_AUDIOE 0x00000008

#define VSREQ_BEEP 0x00000010

#define VSREQ_RECORD 0x00000020

Global Variable zero_chunk

uint8_t zero_chunk[32]

Visible in:

nut/dev/spi_vscodec.c

Global Function FeederThread()

void FeederThread ( void* arg )

Prototyped in:	nut/include/dev/vscodec.h
Calls:	VsCodecBeep()	nut/dev/spi_vscodec.c
	VsCodecReg()	nut/dev/spi_vscodec.c
	VsCodecWaitReady()	nut/dev/spi_vscodec.c
	VsDecoderSetBass()	nut/dev/spi_vscodec.c
	VsDecoderSetVolume()	nut/dev/spi_vscodec.c
	NutEventPost(), NutEventWait(), NutSegBufReadLast(), NutSegBufReadRequest(), NutSegBufReset(), NutSegBufUsed(), NutSegBufWriteRequest(), NutThreadSetPriority()

Global Function VsCodecBeep()

uint16_t VsCodecBeep ( NUTDEVICE* dev, uint16_t fsin )

Prototyped in:	nut/include/dev/vscodec.h
Calls:	VsCodecMode()	nut/dev/spi_vscodec.c
Called by:	FeederThread()	nut/dev/spi_vscodec.c

Global Function VsCodecClose()

int VsCodecClose ( NUTFILE* nfp )

Prototyped in:	nut/include/dev/vscodec.h
Calls:	VsDecoderBufferFlush()	nut/dev/spi_vscodec.c
	free()	nut/crt/malloc.c

Global Function VsCodecIOCtl()

int VsCodecIOCtl ( NUTDEVICE* dev, int req, void* conf )

Prototyped in:	nut/include/dev/vscodec.h
Calls:	VsCodecLoadPlugIn()	nut/dev/spi_vscodec.c
	VsCodecWriteWRam()	nut/dev/spi_vscodec.c
	VsDecoderBufferInit()	nut/dev/spi_vscodec.c
	NutEventPost(), NutSegBufAvailable(), NutSegBufUsed()
Called by:	VsCodecOpen()	nut/dev/spi_vscodec.c
	VsDecoderBufferFlush()	nut/dev/spi_vscodec.c

Global Function VsCodecMode()

uint16_t VsCodecMode ( NUTDEVICE* dev, uint_fast16_t flags, uint_fast16_t mask )

Prototyped in:	nut/include/dev/vscodec.h
Calls:	VsCodecReg()	nut/dev/spi_vscodec.c
Called by:	VsCodecBeep()	nut/dev/spi_vscodec.c

Global Function VsCodecOpen()

NUTFILE* VsCodecOpen ( NUTDEVICE* dev, const char* name, int mode, int acc )

Prototyped in:	nut/include/dev/vscodec.h
Calls:	VsCodecIOCtl()	nut/dev/spi_vscodec.c
	malloc()	nut/crt/malloc.c
	strcmp()	nut/c/string/strcmp.c
	NutSegBufReset()

Global Function VsCodecRead()

int VsCodecRead ( NUTFILE* nfp, void* data, int len )

Prototyped in:	nut/include/dev/vscodec.h
Calls:	memcpy()	nut/c/string/memcpy.c
	NutEventPost(), NutEventWait(), NutSegBufReadLast(), NutSegBufReadRequest()

Global Function VsCodecReg()

uint16_t VsCodecReg ( NUTDEVICE* dev, uint_fast8_t op, uint_fast8_t reg, uint_fast16_t val )

Prototyped in:	nut/include/dev/vscodec.h
Calls:	VsCodecWaitReady()	nut/dev/spi_vscodec.c
Called by:	FeederThread()	nut/dev/spi_vscodec.c
	VsCodecLoadPlugIn()	nut/dev/spi_vscodec.c
	VsCodecMode()	nut/dev/spi_vscodec.c
	VsCodecWriteWRam()	nut/dev/spi_vscodec.c
	VsDecoderSetVolume()	nut/dev/spi_vscodec.c

Global Function VsCodecWaitReady()

int VsCodecWaitReady ( NUTDEVICE* dev, uint32_t tmo )

Prototyped in:	nut/include/dev/vscodec.h
Calls:	NutEventWait()
Called by:	FeederThread()	nut/dev/spi_vscodec.c
	VsCodecReg()	nut/dev/spi_vscodec.c

Global Function VsCodecWrite()

int VsCodecWrite ( NUTFILE* nfp, const void* data, int len )

Prototyped in:	nut/include/dev/vscodec.h
Calls:	VsDecoderBufferFlush()	nut/dev/spi_vscodec.c
	memcpy()	nut/c/string/memcpy.c
	NutEventPost(), NutEventWait(), NutSegBufWriteLast(), NutSegBufWriteRequest()

Global Function VsCodecWrite_P()

int VsCodecWrite_P ( NUTFILE* nfp, const char* buffer, int len )

Prototyped in:

nut/include/dev/vscodec.h

Global Function VsDecoderBufferInit()

int VsDecoderBufferInit ( NUTDEVICE* dev, uint32_t size )

Prototyped in:	nut/include/dev/vscodec.h
Calls:	NutSegBufAvailable(), NutSegBufInit()
Called by:	VsCodecIOCtl()	nut/dev/spi_vscodec.c

Global Function VsDecoderSetBass()

int VsDecoderSetBass ( NUTDEVICE* dev, int treb, int tfin, int bass, int bfin )

Prototyped in:	nut/include/dev/vscodec.h
Called by:	FeederThread()	nut/dev/spi_vscodec.c

Global Function VsDecoderSetVolume()

int VsDecoderSetVolume ( NUTDEVICE* dev, int left, int right )

Prototyped in:	nut/include/dev/vscodec.h
Calls:	VsCodecReg()	nut/dev/spi_vscodec.c
Called by:	FeederThread()	nut/dev/spi_vscodec.c

Local Function VsCodecLoadPlugIn()

static int VsCodecLoadPlugIn ( NUTDEVICE* dev, VS_PLUGIN_INFO* plg )

Calls:	VsCodecReg()	nut/dev/spi_vscodec.c
	NutSleep()
Called by:	VsCodecIOCtl()	nut/dev/spi_vscodec.c

Local Function VsCodecWriteWRam()

static int VsCodecWriteWRam ( NUTDEVICE* dev, VS_WRAM_DATA* vswd )

Calls:	VsCodecReg()	nut/dev/spi_vscodec.c
	NutSleep()
Called by:	VsCodecIOCtl()	nut/dev/spi_vscodec.c

Local Function VsDecoderBufferFlush()

static int VsDecoderBufferFlush ( NUTDEVICE* dev, uint32_t tmo )

Calls:	VsCodecIOCtl()	nut/dev/spi_vscodec.c
	NutEventWait(), NutSegBufUsed()
Called by:	VsCodecClose()	nut/dev/spi_vscodec.c
	VsCodecWrite()	nut/dev/spi_vscodec.c