調節時間時閃爍

#include "reg52.h" //unsigned char code LED[]={231,219,189,126}; //void main() //{ // unsigned int I=0,D=0; // bit k; // while(1) // { // I=55555; // while(I--); // P1=LED[D]; // D+=!k?1:-1;//雙向跑馬燈 // if(D>=3||D<=0)k=!k; // } //} //#include "reg52.h" //#include "math.h" //sbit LED=P1^0; sbit QiTin = P3^0;//啟停按鍵 sbit duan = P2^6;//數碼段 sbit wei = P2^7;//數碼位 bit k=0,San=0;//標記，數碼閃爍 unsigned char code ShuMaGuan[]={0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F,0x00,0X80};//0~9隱.小數點 unsigned char code ShuMaGuan[]={63,6,91,79,102,109,125,7,127,111,0,128};//0~9隱.小數點 unsigned char code WeiXuanBiao[] = { 0x00,0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f }; unsigned char code ShaoMiaoZhi[]={238,237,235,231,222,221,219,215,190,189,187,183,126,125,123,119}; unsigned char Js=0;//中斷計時 unsigned char Hm=0;//毫秒 unsigned char Mo=0;//秒 unsigned char YanShi=0;//延時 void ShuMaXianShi(unsigned char s,unsigned char w,unsigned char d) {P0=WeiXuanBiao[w];wei=1;wei=0;P0=ShuMaGuan[s]|ShuMaGuan[d];//d顯示小數點11,10關閉duan=1;YanShi=255;while(YanShi--);P0=ShuMaGuan[10];//清除本次段值免下次產生影響duan=0; } void ZhongDuanSheZhi() {TH0+=0X4c;/*定時器賦初值，11.0592Mz定時50ms觸發中斷，自動補償方式*/TL0+=0X00; TMOD=0X01;TR0=1; ET0=1; //開啟定時器EA=1; //全局中斷開關 } void JiShi() {if(!k){if(!(Js%2)) if(++Hm>=10) {Hm=0;San=~San;}if(Js>=20){if(++Mo>=60) Mo=0;Js=0; }} } void XianShi() {ShuMaXianShi(Hm,8,10);if(San)ShuMaXianShi(Mo%10,7,11);ShuMaXianShi(Mo/10,6,10);ShuMaXianShi(10,4,10);ShuMaXianShi(10,5,10);ShuMaXianShi(10,1,10);ShuMaXianShi(10,2,10);ShuMaXianShi(10,3,10); JiShi(); } //unsigned char JianPanShaoMiao(/*使用行列反轉掃描法*/) //{ // unsigned char H=15,L=240; P3=15; // if(P3!=15) // { // unsigned char Yan_Shi=255;//Js // while(Yan_Shi--);//Js==中斷消抖 // if(P3!=15) // { // H=P3; // P3=240; // L=P3; // } // while(P3!=240)k=1; // } // P3 = 255; // return (H+L); //} void main() {ZhongDuanSheZhi();while(1){ // if(TF0){TF0=0;LED=!LED;ZhongDuanSheZhi();}XianShi();if(!QiTin){//XianShi(/*巧借8個數碼顯示消抖*/);YanShi=Js;if(!TR0){TR0=k=1;}//重啟中斷while(Js==YanShi)XianShi();//中斷消抖if(!QiTin)if(!k)TR0=k; else k=0;//關閉中斷，消抖后清除標記while(!QiTin) XianShi(/*按下期間顯示*/);}} } void ZhongDuan() interrupt 1 {++Js;TH0+=0X4c;TL0+=0X00; }

?

總結

以上是生活随笔為你收集整理的51单片机数码管闪烁显示的全部內容，希望文章能夠幫你解決所遇到的問題。

如果覺得生活随笔網站內容還不錯，歡迎將生活随笔推薦給好友。