flash.c

来自「SM5964 ISP程序。.........」· C语言 代码 · 共 68 行

#include<reg52.h>
#include"flash.h"
void flash_wr(uword SM5964address,uchar hex_data)
{
//flash_isp_init();
ISPFAL=SM5964address;
ISPFAH=SM5964address>>8;
ISPFD=hex_data;
ISPC=0X80;
//while(ISPC!=0X00);
}
void flash_isp_init(void)
{
ISPFD=0X55;
ISPFD=0XAA;
ISPFD=0X55;
SCONF=0X06;
}
void flash_erase(void)
{
//uchar address;
 //flash_isp_init();
 /*for(address=0;address<0xf0;address++)//erase page
 	{
 	ISPFAL=0X00;
	ISPFAH=address;
	ISPC=0X82;
	while(ISPC&0X80!=0X00);
 	}*/
	ISPFAL=0X00;	  //all erase
	ISPFAH=0x00;
	ISPC=0X83;
	//while(ISPC&0X80!=0X00);

}