时钟加闹钟的音乐.doc

#include #define uint unsigned int#define uchar unsigned charuchar frq; sbit key1=P30;sbit key2=P31;sbit key3=P32;sbit key4=P33;sbit jiao=P15;uchar d,m,miao2,miao1,fen2,fen1,shi2,shi1,num3,ringsz;char num1,num2,num4,a,b;uchar code table=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71;uchar code table1=0xbf,0x86,0xdb,0xcf,0xe6,0xed,0xfd,0x87,0xff,0xef,0xf7,0xfc,0xb9,0xde,0xf9,0xf1;/延时程序void delayms(uint xms) uint i,j; for(i=xms;i0;i-) for(j=110;j0;j-); void yinyue() TR0=1; frq+=30; /显示函数void display() switch(d) case 0: miao2=num1/10; miao1=num1%10; fen2=num2/10;fen1=num2%10;shi2=num4/10;shi1=num4%10; P0=tablemiao1;P2=0xfe;delayms(5); P0=tablemiao2; P2=0xfd; delayms(5); P0=table1fen1;P2=0xfb; delayms(5); P0=tablefen2; P2=0xf7; delayms(5); P0=table1shi1; P2=0xef; delayms(5); P0=tableshi2; P2=0xdf; delayms(5); break; case 1: fen2=b/10;fen1=b%10;shi2=a/10;shi1=a%10; P0=tablefen1;P2=0xfb; delayms(5); P0=tablefen2; P2=0xf7; delayms(5); P0=table1shi1; P2=0xef; delayms(5); P0=tableshi2; P2=0xdf; delayms(5); break; /初始化函数void init() TMOD=0x11; TH1=(65536-50000)/256; TL1=(65536-50000)%256; EA=1; ET1=1; TR1=1; / TMOD |= 0x01; /使用模式1，16位定时器，使用|符号可以在使用多个定时器时不受影响 TH0=0x00; /给定初值 TL0=0x00; /总中断打开 ET0=1; /定时器中断打开 /键盘程序void keyscan() if(m=0)TR1=1; if(key1=0) delayms(5); jiao=0; if(key1=0) d+; if(d=2) d=0; while(!key1);jiao=1; if(key2=0) delayms(5); if(key2=0) jiao=0; switch(d) case 0: m+; TR1=0; if(m=4) m=0; break; case 1: ringsz+; if(ringsz=3) ringsz=1; break; while(!key2); jiao=1; if(key3=0) delayms(5); if(key3=0) jiao=0; if(d=0) switch(m) case 1: num4+; if(num4=24) num4=0; break; case 2: num2+; if(num2=60) num2=0; break; case 3: num1+;if(num1=60) num1=0; break; default: ; if(d=1) switch(ringsz) case 1: a+; if(a=24) a=0; break; case 2: b+; if(b=60) b=0; break; default: ; while(!key3); jiao=1; if(key4=0) delayms(5); if(key4=0) jiao=0; if(d=0) switch(m) case 1: if(num4=0) num4=24; num4-; break; case 2: num2-; if(num2=-1) num2=59; break; case 3: num1-;if(num1=-1) num1=59; break; default: ; if(d=1) switch(ringsz) case 1: a-; if(a=-1) a=23; break; case 2: b-;if(b=-1) b=59; break; default: ; while(!key4); jiao=1;if(a=num4&b=num2&(num1=0)&(num1=30)jiao=1; TR0=0; /主函数 void main() num4=12; /时间初始化12.00 jiao=1; init(); while(1) keyscan();display(); /中断程序void T1_time() interrupt 3 TH1=(65536-50000)/256; TL1=(65536-50000)%256; num3+; if(num3=20) num3=0; num1+; if(num1=60) num1=0; num2+; if(num2=60)