缘由单片机程序设计与应用-Python-CSDN问答 #include "REG52.h"sbit K1 = P3^0;sbit K2 = P3^1;sbit K3 = P3^2;sbit K4 = P3^3;sbit bp=P3^4;bit k=1,wk=0;unsigned char code SmZiFu[]={63,6,91,79,102,109,125,7,127,111

缘由占空比和数码管-CSDN论坛 由已发布的博客中选取需要的代码组合而成。 #include "reg52.h"sbit duan = P2^6;//数码段sbit wei = P2^7;//数码位sbit Fb = P2^0;sbit k1=P3^1;sbit k2=P3^2;bit k=0;unsigned char Js=0;//中断计时unsigned char code