1011._h

这个是通过51做的SD卡读写和MP3的程序！

/************************************************************/
/*		         HEAD FILE  for   vs1011					*/
/*				   By   pasyong								*/
/*				   2006-4									*/
/*				   Base ICC6.31A					        */
/************************************************************/
#define MP3_PIN        PINB
#define MP3_DATA_REQ   0x04  
#define uchar unsigned char
#define uint unsigned int
void spi_init(void);
void mp3_port_init(void);
void delay_nus(unsigned int n);
void Write_Byte_SPI(unsigned char byte);
unsigned char Read_Byte_SPI(void);
void vs1011_data_write(uchar data);
void vs1011_cmd_write(uchar address,uint data);
uint vs1011_read(uchar address);
void vs1011_init(void);