text2.c

这是一段错误的源程序

	#include<reg51.h>

#define uchar unsigned char
#define uint unsigned int

uchar sec=11,min=9,hr=23;
/*****************************************************/
unsigned char Led_num[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
unsigned char Led_com[]={0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80};
/*****************************************************/

sbit clk=P1^0;
sbit rst=P1^1;
sbit I_O=P1^2;

sbit A0=ACC^0;
sbit A7=ACC^7;

void Write_command(uchar command) ;
void Write_data(uchar dat);
void Write_command_data(uchar command,uchar dat);
uchar Read_data();
void EnableWP(void);
void DisableWP(void);
uchar ReadSec();
void Write_Sec(uchar s);
/*************************************************/

void Write_command(uchar command)//mcu to ds1302
{
	uchar i;
	clk=0;
	rst=0;
	rst=1;
	ACC=command;
	for(i=8;i>0;i--)
	{
		I_O=A0;
		clk=1;
		clk=0;
		ACC>>=1;
	}
}

/*************************************************/
void Write_data(uchar dat)
{
   uint i;
   ACC=dat;
   for(i=0;i<8;i++)
   {
     I_O=A0;
	 clk=1;
	 clk=0;
	 ACC=ACC>>1;
   }
   clk=1;
   rst=0;
}

/*************************************************/
void Write_command_data(uchar command,uchar dat)
{
   Write_command(command);
   Write_data(dat);
} 


/*************************************************/
uchar Read_data()
{
   uint i;
   I_O=1;
   for(i=0;i<8;i++)
   {  
      ACC=ACC>>1;
      A7=I_O;
	  clk=1;
	  clk=0;
	  
   }
   clk=1;
   rst=0;
   return ACC;
}

/*************************************************/

void EnableWP(void)              //can''d write,read data   
{
	Write_command_data(0x85,0x80);
}

/*************************************************/

void DisableWP(void)        //write data,read 0
{
	Write_command_data(0x8e,0x01);///修改过的？？？？？？、、、、、、、、、、、、、、
}


/*************************************************/
uchar ReadSec()
{
  uchar dd;
  Write_command(0x81);
  dd=Read_data();
  return dd;
}

/*************************************************/
void Write_Sec(uchar s)
{
  Write_command(0x80);
  Write_data(s);
}
/****************************************************/

void Delay1ms(unsigned char count )  //延时1ms
{
    uint i,j;
	
	for(i=0;i<count;i++)
	{
		for(j=0;j<120;j++);
			
	}
}
/*************************************************/
 void mian()
 {	
    //DisableWP();
    //Write_Sec(0x07);
    //EnableWP();
    
	while(1)
	{
	//sec=ReadSec();
	P2=Led_com[5];
	P0=~Led_num[sec%10];
	Delay1ms(5);
	P2=Led_com[4];
	P0=~0x4f;
	}
 }