sd_config.c

来自「MTK平台上6223实现T卡功能的软代码」· C语言 代码 · 共 29 行

/****************************************************
*
*       XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
*
*****************************************************/

#define SECTOR_SIZE         512
#define SD_NO_ERR           0

typedef unsigned char   BYTE; 
typedef unsigned int    UINT;


const  BYTE        SD_CLK_PIN = 1; 
const  BYTE        SD_DIN_PIN = 2;           
const  BYTE        SD_CS_PIN  = 6;
const  BYTE        SD_DO_PIN  = 8;

/*return 0 is ok,other is error*/

extern BYTE SPI_SD_Initialize(void);
extern UINT SPI_SD_BlockNum  (void);
extern int  SPI_SD_Read(UINT Sector, UINT Sectors, void * Buffer);
extern int  SPI_SD_Write(UINT Sector, UINT Sectors, void * Buffer);

/*custom to platform,must set before SPI_SD_Initialize init*/
void (*__IO_SET)(BYTE level,BYTE port) = 0;
BYTE (*__IO_GET)(BYTE port) = 0;