51与PC通信1#include"at89x51.h"2#include"must.h"3sfrport_display=0xa0;//4Uchar8incept_data[10];//接收缓冲区5Uchar8incept_index=0;//接收计数6Uchar8send_data[10]={0,1,2,3,4,5,6,7,8,9};