vs1003.h

FATFS(10.4).rar

#ifndef __VS1003_H__
#define __VS1003_H__

#define   VS_POR        PORTC
#define   VS_DDR        DDRC
#define   VS_PIN        PINC
#define   VS_XCS        PC7  //片选信号
#define   VS_XRESET     PC6  //复位信号
#define   VS_DREQ       PC5  //数据请求
#define   VS_XDCS       PC4  //数据片选
#define   SET_VS_XCS        VS_POR |= (1<<VS_XCS)
#define   CLR_VS_XCS        VS_POR &= ~(1<<VS_XCS)
#define   SET_VS_XRESET     VS_POR |= (1<<VS_XRESET )
#define   CLR_VS_XRESET     VS_POR &= ~(1<<VS_XRESET)
#define   SET_VS_DREQ       VS_POR |= (1<<VS_DREQ )
#define   CLR_VS_DREQ       VS_POR &= ~(1<<VS_DREQ)
#define   SET_VS_XDCS       VS_POR |= (1<<VS_XDCS )
#define   CLR_VS_XDCS       VS_POR &= ~(1<<VS_XDCS)



//SPI引脚(默认 ATMEGA16 )
#define	SPI_DDR			DDRB
#define SPI_PORT		PORTB
#define SPI_PIN			PINB
#define SPI_SS			PB4
#define SPI_MOSI		PB5
#define SPI_MISO		PB6
#define SPI_SCK			PB7


extern  void SPI_Low(void); 
extern  void SPI_High(void);
extern  void SPI_Init(void);
extern  uint8_t SPI_RW(uint8_t dat);


/*
//此IO定义与 振南的 袖珍SD卡MP3 相吻合
sbit VS_SO     =P2^6;  //串行数据输出，单片机从VS1003中读取数据
sbit VS_SI     =P1^5;  //串行数据输入，由单片机写入到VS1003
sbit VS_SCK    =P1^7;  //串行时钟，由单片机产生
sbit VS_XCS    =P1^3;  //片选信号
sbit VS_XRESET =P1^2;  //复位信号
sbit VS_DREQ   =P1^1;  //数据请求
sbit VS_XDCS   =P1^0;  //数据片选
*/

extern void VS_Reset(); //VS1003软复位及初始化
extern void VS_Write_Reg(unsigned char addr,unsigned char hdat,unsigned char ldat); //向VS1003的功能寄存器写入一个字
extern unsigned int VS_Read_Reg(unsigned char addr); //从VS1003的功能寄存器读取一个字
extern void VS_Send_Dat(unsigned char dat); //向VS1003发送音频数据
extern void VS_Flush_Buffer(); //清空VS1003的数据缓冲区
extern void VS_sin_test(unsigned char x); //正弦测试
//void LoadPatch(); //为VS1003打补丁

#endif