test.c

此程序是8051超声波液位仪的源代码 有一定的参考价值

#include "reg51.h"
sbit show =P1^0;
void main()
{
	unsigned char  weight=0x84;
	unsigned char i;
	P0=weight;
	P1=0;
	for(i=0;i<8;i++)
	{
	  show=weight&0x80;
	  weight<<=1;
	  //for(j=0;j<200;j++);
	 //for(j=0;j<200;j++);
	}

}