flash.h

S3C44B0X全套培训资料及源代码 e008s3c44b0x

#include "..\startup\44b.h"
#include "..\inc\def.h"


/*KM29U128 IO 定义*/
//RB  ->GPE0
//CLE ->GPA8
//ALE ->GPA9
//WP ->
//CE ->GPA5
#define RB	(0x01)
#define CLE	(0x100)
#define ALE	(0x200)	
//#define WP	(0x08)	
#define CE	(0x20)
#define rKM29UXDATA	   (*(volatile unsigned char *)0x02000000)	//bank1              
/*KM29U128操作宏定义*/
#define FC_CMD		{rPDATA |= CLE;	rPDATA &= ~(ALE|CE);}
#define FC_ADDR		{rPDATA |= ALE;	rPDATA&=~(CLE|CE);}
#define FC_DATA        {rPDATA &= ~(ALE|CLE|CE);               }
#define FC_INACTIVE	{rPDATA |= CE;	rPDATA&=~(ALE|CLE);}       
#define WAITRB		while(!(rPDATE & RB))  //wait tWB and check R/B pin.   
#define KM29U128_ID (0xec73)
#define WRITEVERIFY  (1)  //Verifing is enable when writing flash
/*KM29U128函数声明*/
void Flash_Reset(void);//flash reset
unsigned int Check_Flash_Id(void);
unsigned char Erase_Cluster(unsigned int cluster);
void ReadPage(unsigned int block,unsigned int page,unsigned char *pPage);
int WritePage(unsigned int block,unsigned int page,U8 *pPage);
void Flash_Tools(void);