交通灯 51单片机+proteus仿真

正文摘要:

#include <reg51.h> #define uchar unsigned char #define uint unsigned int sbit smg1 =P1^1; sbit smg2 =P1^0; //定义共阳极数码管引脚 sbit red2=P1^5; sbit yellow2=P1^6; sbit green2=P1^7; //东西 ...