#include<ADUC812.H>						//頭文件
#include<stdio.h>

void main(void)								//主函數
{
unsigned char chc;							//聲明變量，模擬通道數

SCON=0x50;								//初始化串口
TMOD|=0x20;
TL1=0xF4;								//設置串口波特率為4800kbps
TH1=0xF4;
TR1=1;
TI=1;

ADCCON1=0x7C;							//設置控制寄存器

while(1)									//主循環連續采集
{
unsigned int con_data;						//聲明變量，A/D轉換的結果
unsigned char channel;						//聲明變量，模擬通道數

chc++;
chc%=8;									//通道數，0~7
ADCCON2=( ADCCON2&0xF0)|chc;
SCONV=1;								//單次轉換
while(ADCCON3&0x80);
										//讀A/D值并打印輸出結果
channel=ADCDATAH>>4;						//通道數
con_data=ADCDATAL+((ADCDATAH&0x0F)<<8);	//A/D轉換的值

printf("ADC Channel %bu=0x%4.4X\n",channel, con_data);
}
}