main.c

利用传感器将模拟信号转成数字信号.列举常用的ADC0809并详细讨论A/D在单片机系统中的应用.

#include <reg51.h>
#include "ADC0809.h"

void InitIO()
{
	PinData  = 0xff;
	PinA 		 = 0;
	PinB  	 = 0;
	PinC 		 = 0;
	PinSTART = 0;
	PinOE    = 0;
	PinEOC	 = 1;
	}
	
void main()
{
	uint temp;
	InitIO();
	while(1)
	{
		StartADC(4);
		temp = ReadData();
		}
	}