1main.c

stc单片机读内部eeprom代码

							#include "reg52.h"
#define uchar unsigned char
#define unit  unsigned int
uchar Data[11];
uchar number,flag;
sfr WDT=0XE1;
sbit LED=P1^7;
sbit LED1=P1^6;
sbit LED2=P1^5;

 /*********MCU初始化**************/
void MCU_Init(void)
{
        TMOD = 0x21;
        TH1 = 250;
        TL1 = 250;
        SCON = 0x50;
        PCON = 0x80;
    	EA = 1;
      	ES = 1;
		TR1=1;
}
/***********串口发送一个字节****************/

 void send(uchar S_Data)
   {
    SBUF = S_Data;
    while(TI == 0);
     TI =0;
   }

/*************接收中断********************/
void Serial() interrupt 4 using 2
{  
	if(RI == 1)
    {
		LED2=0;
		Data[number++]= SBUF;
		RI = 0;
		flag++;
    }
}

/************生成校验码子程序***********/
void XiaoYan(uchar *a)
{
  uchar i, all=0;
 
   for(i=0;i<10;i++)
   all=all+a[i];
   all=~all;
   all=all-1;
   a[i]=all;
}



/****************串口发送子程序****************/
void sends(uchar *b )
{
	
	uchar count,i;
	count=11;
	LED1=0;
	for(i=0;i<count;i++)
		send(b[i]);
}
/**************主程序***********************/
void main(void)
 {
 	unsigned ld=0;
	//LED1=0;
	//LED2=0;

  MCU_Init();
  while(1)
{
	LED1=1;
	LED2=1;
	  WDT=0X34;
	  ld++;
	  if(ld>3000)
	  {
	  	ld=0;
		LED=!LED;
	  }
	  if(flag==10)
	  {
	      flag=0;
		  number=0;
		  XiaoYan(Data);
		  sends(Data);

		  break;
	   }
   }
   
  }