C编程关于数字钟.doc

数字钟的C编程#include#define uchar unsigned char#define uint unsigned intsbit K1=P10;sbit K2=P11;sbit K3=P12;sbit K4=P13;sbit beep=P17;uchar code table1=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f;uchar table2=0,0,0,0,0,0;uchar code table3=0xfe,0xfd,0xfb,0xf7,0xef,0xdf;uchar i,j,h=12,m=0,s=0,k,t,s1,s2,g;void delayms(uint x)uint y;while(x-)for(y=120;y0;y-);void speak()for(i=0;i20;i+)beep=beep;delayms(10);void hour()h+;if(h=24)h=0;speak();void minute()m+;if(m=60)m=0;hour();void second()s+;if(s=60)s=0;minute();void T0_time() interrupt 1TH0=(65536-1000)/256;TL0=(65536-1000)%256;P3=table3j;P2=table2j;j=(j+1)%6;s2+;if(s2=200)s2=0;g=g;void T1_time() interrupt 3TH1=(65536-50000)/256;TL1=(65536-50000)%256;s1+;if(s1=20)s1=0;second();void main()P1=0xff;P2=0x00;P3=0xff;TMOD=0x11;TH0=(65536-1000)/256;TL0=(65536-1000)%256;TH1=(65536-50000)/256;TL1=(65536-50000)%256;EA=1;ET0=1;ET1=1;TR0=1;TR1=1;while(1)if(K4=0)delayms(10);if(K4=0)t=t;while(K4=0);if(t=0)if(K1=0)delayms(10);if(K1=0)k=(k+1)%3;while(K1=0);switch(k)case 0:ET1=0;if(K2=0)delayms(10);if(K2=0)s=(s+1)%60;while(K2=0);else if(K3=0)delayms(10);if(K3=0)if(s=0)s=60;s-;while(K3=0);table20=table1h/10;table21=table1h%10;table22=table1m/10;table23=table1m%10;table24=table1s/10&g;table25=table1s%10&g;break;case 1:ET1=1;if(K2=0)delayms(10);if(K2=0)m=(m+1)%60;while(K2=0);else if(K3=0)delayms(10);if(K3=0)if(m=0)m=60;m-;while(K3=0);table20=table1h/10;table21=table1h%10;table22=table1m/10&g;table23=table1m%10&g;table24=table1s/10;table25=table1s%10;break;case 2:if(K2=0)delayms(10);if(K2=0)h=(h+1)%24;while(K2=0);else if(K3=0)delayms(10);if(K3=0)if(h=0)h=24;h-;while(K3=0); table20=table1h/10&g; table21=table1h%10&g;table22=table1m/10;table23=table1m%10;table24=table1s/10;table25=table1s%10;break;else ET1=1;table20=table1h/10;ta