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用proteus仿真實(shí)現(xiàn)時(shí)鐘
時(shí)鐘程序源碼：
- #include<reg52.h>
- #define uchar unsigned char
- #define uint unsigned int
- sbit du = P2^6;
- sbit we = P2^7;
- uchar code wei_i[] = {0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80 };
- uchar code table_d[] = {0X3F,0X06,0X5B,0X4F,0X66,0X6D,0X7D,0X07,0X7F,0X6F,0X00,0X40};
- uchar s,g,num,shi,fen,miao;
- void delays(uint xms)
- {
- uint i,j;
- for(i=xms;i>0;i--)
- for(j=110;j>0;j--);
- }
- void init()
- {
- P0 = 0;
- du = 0;
- we = 0;
- }
- void display(uchar wei,uchar duan)
- {
- P0=~wei_i[wei];
- we=1;
- we=0;
- P0=table_d[duan];
- du=1;
- du=0;
- delays(3);
- P0=0xdb;
- we=1;
- we=0;
- P0=0x40;
- du=1;
- du=0;
- delays(3);
- }
- void T0_time() interrupt 1
- {
- TH0 = (65536-50000)/256;
- TL0 = (65536-50000)%256;
- num++;
- if(num==20)
- {
- num = 0;
- miao++;
- if(miao>=60)
- {
- fen++;
- miao=0;
- }
- if(fen>=60)
- {
- fen=0;
- shi++;
- }
- if(shi>=24)
- shi=0;
- }
- }
- void main()
- {
- init();
- TMOD = 0x01;
- TH0 = (65536-50000)/256;
- TL0 = (65536-50000)%256;
- EA = 1;
- ET0 = 1;
- TR0 = 1;
- while(1)
- {
- s = miao / 10;
- g = miao % 10;
- display(6,s);
- display(7,g);
- s = fen /10;
- g = fen %10;
- display(3,s);
- display(4,g);
- s = shi / 10;
- g = shi % 10;
- display(0,s);
- display(1,g);
- }
- }
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時(shí)鐘.rar
2016-5-9 18:59 上傳
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下載積分: 黑幣 -5
47.36 KB, 下載次數(shù): 176, 下載積分: 黑幣 -5
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