ad转换.c

51单片机入门级资料。流水灯

#include<reg52.h>
//#define uchar unsigned char
#define uint unsigned int
uint a,b;
sbit wr=P3^6;
sbit rd=P3^7;
sbit duan=P2^6;
sbit wei=P2^7;
sbit cs=P3^2;
void delay(char x)
{
	for(a=x;a>0;a--)
		for(b=245;b>0;b--);
}                 //延时Xms

void inti()
{
	P0=0x00;
	duan=1;
	duan=0;
	P0=0x00;
	wei=0;
	P0=0xff;
	cs=0;
}

void star()
{
	wr=1;
	wr=0;
	wr=1;
}

void main()
{
	inti();
	while(1)
	{
		star();
		delay(50);
		rd=0;
		delay(10);
		wr=0;
		P0=P1;
		rd=1;
		delay(10);

	}
}