#include sbit P00=P0^0; //循迹口 sbit P01=P0^1; sbit P02=P0^2; sbit P04=P0^4; //电机1 左轮 sbit P05=P0^5; sbit P06=P0^6; //电机2 sbit P07=P0^7; unsigned int i=0,j=0;