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📄 sd.h

📁 用atmega64+vs1003(音频解码芯片)+SD制成的板子
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/************************************************************/
/*		         HEAD FILE  for   sd					    */
/*															*/
/*				   2007-1-10								*/
/************************************************************/
#define uchar unsigned char
#define uint unsigned int
void spi_init(void);
uchar SD_Write_Command(uchar cmd,unsigned long arg);
void sd_port_init(void);
uchar SD_Init(void); 
uchar SD_Read_Block2(unsigned long address,unsigned char *buf);
uchar SD_Read_Block(unsigned long address);
void ReadSD64Byte(unsigned long address,unsigned char *pbuff);
unsigned int SD_Read_Word(unsigned long address,unsigned int offset);
unsigned int SD_Read_Dword(unsigned long address,unsigned int offset);

void delay_nus(uint n);


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