#define uchar unsigned char #define ad add XBYTE[OXFDF8]/定义O8O9的N0通道地址 sbit EOC-P14:/∥定义AWD转换结束信号标志EOC uchar ad result[8;∥定义数组ad result,存放采样结果 adc0809(uchar*p)∥adc0809转换子函数 { uchar i; uchar xdata *ad_address; ad address=&ad add; for(i=0;i<8;i++) *ad address=-i;∥启动转换 while(EOC); /判断EOC转换标志 *p-*ad_address;∥读入转换结果 ad address-+;/通道地址+1 p+: ∥主函数 void main( while(1)