vs1002.h

AVR对VS1002D的控制代码. VS1002D是一块MP3解码IC,这是用AVR做的MP3.

#ifndef VS1002_H
#define VS1002_H

#include <LPC214x.h>
#include "armlibtypes.h"

#define VS_DRQ			(FIO0PIN & (1 << 2))

#define SCI_MODE		0x00
#define SCI_STATUS		0x01
#define SCI_BASS		0x02
#define SCI_CLOCKF		0x03
#define SCI_DECODE_TIME	0x04
#define SCI_AUDATA		0x05
#define SCI_WRAM		0x06
#define SCI_WRAMADDR	0x07
#define SCI_HDAT0		0x08
#define SCI_HDAT1		0x09
#define SCI_AIADDR		0x0a
#define SCI_VOL			0x0b
#define SCI_AICTRL0		0x0c
#define SCI_AICTRL1		0x0d
#define SCI_AICTRL2		0x0e
#define SCI_AICTRL3		0x0f

#define SM_DIFF			(1 << 0)
#define SM_SETTOZERO	(1 << 1)
#define SM_RESET		(1 << 2)
#define SM_OUTOFWAV		(1 << 3)
#define SM_PDOWN		(1 << 4)
#define SM_TESTS		(1 << 5)
#define SM_STREAM		(1 << 6)
#define SM_PLUSV		(1 << 7)
#define SM_DACT			(1 << 8)
#define SM_SDIORD		(1 << 9)
#define SM_SDISHARE		(1 << 10)
#define SM_SDINEW		(1 << 11)
#define SM_ADPCM		(1 << 12)
#define SM_ADPCM_HP		(1 << 13)

void vsInit(void);
uint8_t	vsWaitForDRQ(uint32_t timeout);
uint8_t	vsWaitForNDRQ(uint32_t timeout);
uint8_t vsReset(void);
uint16_t vsSCIRead(uint8_t addr);
void vsSCIWrite(uint8_t addr, uint16_t data);
void vsSDIWrite(uint8_t data);
void vsSDIBurstWrite(uint8_t *buffer, uint16_t n);
uint8_t vsSoftReset(void);
uint8_t vsVersion(void);
void vsSetVolume(uint8_t l, uint8_t r);
void vsSetBass(uint8_t amp, uint8_t freq);
uint8_t vsEnterSineTest(uint16_t freq);
void vsExitSineTest(void);
void vsPlayBeep(void);
void vsSendZeroStream(void);

#endif