flash.h

用89C51SND1C实现MP3播放器的源代码.用KEIL c51编写.

#ifndef _FLASH_H_
#define _FLASH_H_

#define	BYTE	unsigned char


#define FALSE 0
#define TRUE 1

/*KM29U128 IO 定义*/
//根据你自己的FLASH的以下几个信号是怎么接的，重新定义一下就可以了
#define RB	(0x01)

#define CLE	(0x02)

#define ALE	(0x04)

#define CE	(0x08)

#define rPDATA P5	/*Port5*/



#define SectorLength (512)

/*KM29U128操作宏定义，不同的平台不用修改以下内容*/
#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(!(rPDATA & 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，不同平台不用修改函数*/
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,unsigned char *pPage);
//


#endif  /* _FLASH_H_ */