File nut/arch/arm/dev/tlv320dac.c

Included Files

• #include <nut/include/dev/board.h>

• #include <dev/irqreg.h>

• #include <sys/event.h>

• #include <nut/include/sys/timer.h>

• #include <stdlib.h>

• #include <string.h>

• #include <nut/include/memdebug.h>

• #include <nut/include/dev/tlv320dac.h>

Preprocessor definitions

#define TLV320DAC_VOL 0x18

#define SAMPLE_BUFFERS 3

#define DACI2S_PIO_ID PIOA_ID

#define DACI2S_PINS_A

#define DACI2S_PINS_B 0

#define DACI2S_PDR PIOA_PDR

#define DACI2S_ASR PIOA_ASR

#define DACI2S_BSR PIOA_BSR

#define PCM_CHANS 2

#define PCM_BITS 16

#define TWI_ENABLE

#define SDA_LOW

#define SDA_HIGH

#define SCL_LOW

#define SCL_HIGH

#define SDA_STAT

#define TWI_DELAY 8

Typedef PCM_BUFFER

Local Variables

pcm_bufq
static PCM_BUFFER pcm_bufq[3]

brd_idx
static volatile unsigned int brd_idx

brd_pos
static volatile int brd_pos

bwr_idx
static unsigned int bwr_idx

Global Function Tlv320DacFlush()

Global Function Tlv320DacInit()

Global Function Tlv320DacReadReg()

Global Function Tlv320DacSetRate()

Global Function Tlv320DacSetVolume()

Global Function Tlv320DacWrite()

Global Function Tlv320DacWriteReg()

Local Function I2sInterrupt()

Local Function I2sPdcFill()

Local Function Tlv320DacStart()

Local Function Tlv320I2sDisable()

Local Function Tlv320I2sEnable()

Local Function Tlv320I2sInit()

Local Function TwBitAck()

Local Function TwBitDelay()

Local Function TwBitGet()

Local Function TwBitInit()

Local Function TwBitMasterTransact()

Local Function TwBitPut()

Local Function TwBitStart()

Local Function TwBitStop()