adc0808.h

使用DAC0832做的程控衰减器

#ifndef ADC0808_H
#define ADC0808_H
#include <absacc.h>

#define _ADC_ XBYTE[0x8000]
#define uchar unsigned char
#define uint unsigned int

sbit ADBusy=P1^6;
uchar ADC0808(uchar x) {
	uchar i;
	uchar *addr=&_ADC_;
	addr=addr+x;
//	_ADC_=0;
	*addr=0;
	i=i;
	while(ADBusy==0);
	return *addr;
}

#endif