基于51 超声波测距 避障小车

#include#include#defineuintunsignedint#defineucharunsignedcharsbittrig=P1^2;//超声波测距模块Trigsbitecho=P1^1;//超声波测距模块Echosbittrig2=P1^3;//超声波测距模块2Trigsbitecho2=P1^4;//超声波测距模块2Echosbitin1=P2^1;sbitin2=P2^2;sbitin3=P2^3;sbitin4=P2^4;