nand.h

nandflash的驱动,带有测试程序,可以单独运行.当然是在有硬件的情况下.

#include <stdio.h>
#define Mcfg1       	*(volatile unsigned int*)(0x80000000)
#define Gpio0Dir    	*(volatile unsigned int*)(0x800000a4)
#define Gpio0Data   	*(volatile unsigned int*)(0x800000a0)
#define FlashAddr  	*(volatile unsigned char*)(0x20000005)
#define BLOCKQUENTITY 2048

extern void FlashDelay(int FlashDelay);				/****************** 延时子程序 ******************/

extern void HwInitForFlash(void);					/****************** 与Flash有关的硬件初始化子程序 *******/

extern void FlashCeEn(void);									/*** Flash控制子程序 *****/
extern void FlashCeDis(void);
extern void FlashCleEn(void);
extern void FlashCleDis(void);
extern void FlashAleEn(void);
extern void FlashAleDis(void);
extern void FlashFormat(void);

extern void FlashFormat(void);						 			 /** Flash格式化子程序 ***/
extern unsigned int FlashIdRead(void);	                		 /**** 读Flash ID子程序 **/
extern unsigned char FlashInit(void);		                     /*** Flash初始化子程序 **/
 
extern unsigned char FlashBlockErase(unsigned long Address);     /** 擦删Flash的Block子程序 */
 
extern unsigned char FlashWrite(unsigned long Address,unsigned int Length,unsigned char * Buf);	
extern void FlashRead(unsigned long Address,unsigned int Length,unsigned char * Buf);
extern void Flash_C_Read(unsigned long Address,unsigned int Length,unsigned char *Buf);
extern int isInvalid(unsigned int blocknum);