aixiao
330880dd86
修改： clock/c/Listings/STARTUP.lst 修改： clock/c/Listings/clock.lst 修改： clock/c/Listings/clock.m51 修改： clock/c/Objects/STARTUP.obj 修改： clock/c/Objects/clock 修改： clock/c/Objects/clock.build_log.htm 修改： clock/c/Objects/clock.hex 修改： clock/c/Objects/clock.obj 修改： clock/c/clock.c 新文件： clock/c/clock.uvgui.niuyuling 修改： clock/c/clock.uvopt 修改： clock/c/clock.uvproj 新文件： clock/circuit/Last Loaded clock.pdsbak 修改： clock/circuit/clock.pdsprj 新文件： clock/circuit/clock.pdsprj.WIN-NVEVIKI73LC.niuyuling.workspace
132 lines
1.8 KiB
C
132 lines
1.8 KiB
C
#include <AT89X51.H>
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#define uint unsigned int
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#define uchar unsigned char
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sbit k1=P1^1;
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sbit k2=P1^2;
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sbit k3=P1^3;
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sbit k4=P1^4;
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sbit k5=P1^5;
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sbit k6=P1^6;
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void display();
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uchar code duan[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0x88,0x83,0xc6,0xa1,0x86,0x8e};
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uchar code wei[]={0x7f,0xbf,0xdf,0xef,0xf7,0xfb,0xfd,0xfe};
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uint second, minute, hour, one, ten, hundred, thousand, tthousand, oht, t;
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void times(uint z)
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{
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uint i,j;
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for(i=0; i<z; i++)
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for(j=0; j<121; j++);
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}
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void display()
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{
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one=second%10;
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ten=second/10;
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hundred=minute%10;
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thousand=minute/10;
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tthousand=hour%10;
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oht=hour/10;
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P0=duan[one];
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P2=wei[7];
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times(1);
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P2=0xff;
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P0=duan[ten];
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P2=wei[6];
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times(1);
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P2=0xff;
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P0=duan[hundred];
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P2=wei[5];
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times(1);
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P2=0xff;
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P0=duan[thousand];
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P2=wei[4];
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times(1);
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P2=0xff;
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P0=duan[tthousand];
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P2=wei[3];
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times(1);
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P2=0xff;
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P0=duan[oht];
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P2=wei[2];
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times(1);
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P2=0xff;
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}
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void main()
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{
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TR0=1;
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EA=1;
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TMOD=0x01;
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ET0=1;
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TH0=(65535-50000)/256;
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TL0=(65535-50000)%256;
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while(1)
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{
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display();
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if(k1==0)
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TR0=1;
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else if(k2==0)
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TR0=0;
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else if(k3==0) {
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second=0;
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minute=0;
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hour=0;
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}
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else if(TR0==0 && k4==0)
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{
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second=second+1;
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while(!k4) {
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display();
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}
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}
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else if(TR0==0 && k5==0) {
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minute=minute+1;
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while(!k5) {
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display();
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}
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}
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else if(TR0==0 && k6==0) {
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hour=hour+1;
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while(!k6) {
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display();
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}
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}
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if(t==20){
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t=0;
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second=second+1;
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}
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else if(second==60) {
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second=0;
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minute=minute+1;
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}
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else if(minute==60) {
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minute=0;
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hour=hour+1;
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}
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else if(hour==24) {
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hour=0;
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}
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display();
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}
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}
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void int0() interrupt 1
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{
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t++;
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TH0=(65535-50000)/256;
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TL0=(65535-50000)%256;
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} |