前两天做了一个单片机程序，用四个开关控制四个LED灯

正文摘要:

#include<reg52.h> #define uchar unsigned char #define uint unsigned int sbit D1=P1^0; sbit D2=P1^1; sbit D3=P1^2; sbit D4=P1^3; sbit K1=P3^0; sbit K2=P3^1; sbit K3=P3^2; sbit K ...