serial_flash.h

来自「Freescale MCF5445evb 参考测试代码」· C头文件 代码 · 共 42 行

/*!
 * \file    serial_flash.h
 * \brief   Defines for standard serial flash commands
 * \version $Revision: 1.1 $
 * \author  Michael Norman
 */
 
#ifndef __SERIAL_FLASH_H__
#define __SERIAL_FLASH_H__

/********************************************************************/

/*
 * Instruction/Command Codes
 */
#define SPIFLASH_WREN       0x06
#define SPIFLASH_WRDI       0x04
#define SPIFLASH_RDID       0x9F
#define SPIFLASH_RDSR       0x05
#define SPIFLASH_WRSR       0x01
#define SPIFLASH_READ       0x03
#define SPIFLASH_FAST_READ  0x0B
#define SPIFLASH_PP         0x02
#define SPIFLASH_SE         0xD8
#define SPIFLASH_BE         0xC7
#define SPIFLASH_DP         0xB9
#define SPIFLASH_RES        0xAB

/*
 * Serial Flash Status Register
 */
#define SPIFLASH_SR_SRWD    0x80
#define SPIFLASH_SR_BP2     0x10
#define SPIFLASH_SR_BP1     0x08
#define SPIFLASH_SR_BP0     0x04
#define SPIFLASH_SR_WEL     0x02
#define SPIFLASH_SR_WIP     0x01
#define SPIFLASH_SR_BP(x)   ((x & 0x7) << 2)

/********************************************************************/

#endif /* __SERIAL_FLASH_H__ */