采集.c

来自「这是采用KeilC51进行编写的单片机程序」· C语言 代码 · 共 104 行

#include<reg51.h>     
#define  unit  unsigned int
#define  uchar  unsigned char
#define  uint   unsigned int

sbit ADD_A = P0^0;
sbit ADD_B = P0^1;
sbit ADD_C = P0^2;

sbit P1_0=P1^0;
sbit P1_1=P1^1;
sbit P1_2=P1^2;
sbit P1_3=P1^3;
sbit P1_4=P1^4;
sbit P1_5=P1^5;
sbit P1_6=P1^6;
sbit P1_7=P1^7;
sbit P2_7=P2^7;

unsigned int num ;
uchar data a=0;
uint data  c;
unsigned char buf[8];

void interrupt0() interrupt 2 using  2
{  
    a++;
}
void collet( void )
{
	unsigned  int i,j;
 	P2_7=0;
   	WR=1; 
        WR=0;
        WR=1;
        for(i=0;i<3000;i++);
        do{}while(a!=1);
	RD=0;
}
void count( void )
{
	char i,j;
	P0=0x00;
	for(i=0;i<8;i++)
	{
		collet();
	        P0++;
		buf[i]=0x00|P1_0;
		buf[i]=buf[i]<<1;
		buf[i]=buf[i]|P1_1;
		buf[i]=buf[i]<<1;
		buf[i]=buf[i]|P1_2;
		buf[i]=buf[i]<<1;
		buf[i]=buf[i]|P1_3;
		buf[i]=buf[i]<<1;;
		buf[i]=buf[i]|P1_4;
		buf[i]=buf[i]<<1;
		buf[i]=buf[i]|P1_5;
		buf[i]=buf[i]<<1;
		buf[i]=buf[i]|P1_6;
     	        buf[i]=buf[i]<<1;
		buf[i]=buf[i]|P1_7;
		if(i==7)
		{
			i=-1;
			P0=0x00;
		}
	}
}
void main()
{   
    unsigned char temp; 
    EA=1;
    IT1 = 1;
    EX1 = 1;
	count();
}