adc.c

简易数字存储示波器

#include"ADC.h"
#include"regx52.h"
#define adc_cs  P3_3
#define Start P3_4
#define RDY  P3_5

unsigned char adc(void) 
{
	unsigned char temp;
	adc_cs=0;
	Start=0;
	Start=1;
	while(!RDY);
	temp=P1;
	adc_cs=1;
	return temp;
}