at45.h

来自「开发三星s3c44b0引导程序」· C头文件 代码 · 共 23 行

#include "spi.h"

#define CMD_DUMMY		0x00
#define CMD_BUF1_FLASH		0x83
#define CMD_BUF1_WRITE		0x84
#define CMD_BUF2_FLASH		0x86
#define CMD_BUF2_WRITE		0x87
#define CMD_READ_STATUS		0xD7
#define CMD_READ_ARRAY		0xE8
#define ID_MASK			0x3C
#define RDY_MASK		0x80


int dataflash_probe( void);
int get_dataflash_id( void);
int get_dataflash_status( char mask);
int read_dataflash( dataflash_info_t *, ulong, ulong, char *);
int write_dataflash( dataflash_info_t *, ulong, ulong, ulong);
ulong addr2dfaddr( dataflash_info_t *, ulong);
void write_dataflash_buffer( dataflash_info_t *, char, ulong *, ulong *, ulong *);
void xfer_buffer_dataflash( dataflash_info_t *, ulong *, char);