单片机数码管动态显示源程序及仿真电路文件

#include<reg51.h> #include<absacc.h> #include<intrins.h> #include<stdio.h> #include"m_Function.h" //*********定义变量 int s; int light; code char ledtab[10]={0X3f,0X06,0X5b,0X4f,0X66,0X6d,0X7d,0X07,0X7f,0X6f}; code char ledwhich[4]={0x01,0x02,0x04,0x08}; // void displaychar(char c,char led) { P1=0x00; P2=~ledtab[c]; P1=ledwhich[led]; } void displayint(int num) { int i; int xnum; for(i=0;i<4;i++) { xnum=num%10; num=num/10; displaychar(xnum,3-i) ; } } //*********定时程序******** void Timer() interrupt 1 { TH0=(-1000)>>8; TL0=(-1000)/0xff; s++; if(s>1000) { light=light+1; s=0; } displayint(4154); } //************************** //初始化程序 //***初始化识ㄊ逼� void IntTimer0() { TMOD=0x21; TH0=(-1000)>>8; TL0=(-1000)/0xff; TR0=1; ET0=1; EA=1; } void Ser() { PCON=0x00; SCON=0x50; TH1=0xfd; TL1=0xfd; TR1=1; ET1=0; TI=0; } //******调试程序 void Int() { IntTimer0(); Ser(); } //主程序 void main() { Int(); //TI=1; //printf("hello world \n"); //while(!TI); //SendChar('c'); SendStr("ghhjhjkjkkj"); while(1) { DelayMs(1000); } }