flash32.h

这是单板上DPRAM的驱动程序

#ifndef _FLASH_32_H
#define _FLASH_32_H

#define SDB_FLASH32   80000

/* for contrl code */
#define SDC_GET_UNIT_SIZE            (SDB_FLASH32+0)/* ULONG *, sizeof(ULONG)*/
#define SDC_GET_MAX_SIZE             (SDB_FLASH32+1)/* ULONG *, sizeof(ULONG)*/
#define SDC_GET_BASE_ADDR            (SDB_FLASH32+2)/* ULONG *, sizeof(ULONG)*/
#define SDC_READ_FLASH               (SDB_FLASH32+3)/* FlashAccessStruct* */
#define SDC_WRITE_FLASH              (SDB_FLASH32+4)/* FlashAccessStruct* */
#define SDC_ERASE_SECTOR             (SDB_FLASH32+5)/* ULONG *, sizeof(ULONG)*/
#define SDC_ERASE_CHIP               (SDB_FLASH32+6)/* NULL */

/* for error code */
#define SDE_FLASH_FAIL     (-SDB_FLASH32-0)/* Flash Op Error */

typedef struct {
    ULONG Offset;
    ULONG Size;
    UCHAR *Base;
    }SDCFlashAccessStruct;

typedef struct{
    ULONG BaseAddr;
    ULONG MaxSize;
    ULONG UnitSize;
    ULONG CSRange[8][2]; /* CS Size range, bgn->end, Not used be zero */
    }Flash32CfgStruct;

char *Flash32BspInit(int DEV, char *FreeMemPtr, Flash32CfgStruct *pCfg);

#endif /* _FLASH_32_H */