生日礼物 [复制链接]

#include<reg52.h> \a6)t%u  
#include<present.h> xI<dBg|]+  
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sbit Buzz=P3^7; *h4m<\^U  
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uchar flag=16,sign=1; Q'a N|^w"f  
uchar time=0;         //流水灯定时 [;=ky<K0E  
uint *pf=Happy_Birthday; 'sF563kE  
uint *p=Happy_Birthday; YW{V4yW  
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void init_devices(void) -7O/ed+  
{ d*>k ]X@G  
    TMOD=0x11; ,jnRt%W  
    TH1=0x71; -(uBTO s  
    TL1=0x48;    //40ms的定时 668bJ.M\O  
    TH0=0x00; 9Bk}g50$#  
    TL0=0x00;    //初始化 )A0&16<  
    IT1=1; [~<',,tA0|  
    EA=1; D%idlL2%J  
    EX1=1; 9-Qtj49  
    ET0=1; u-9t s  
    ET1=1; +2}(]J=-  
} GnOo+hB  
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void int1() interrupt 2 using 0 b(q&}60  
{ tKeO+6l  
    sign++;    //下一曲 ]2%P``Yj  
    switch(sign) t4k'9Y:\Q  
    {    case 1:TR0=1;pf=Happy_Birthday;flag=16;break; W{+0iAYnp  
        case 2:pf=Legend;flag=8;break; 9(F?|bfk  
        case 3:pf=Childhood;flag=8;break; <e&QTyb  
        case 4:TR0=0;sign=0;Buzz=1;break;//停唱Buzz=1,三极管关断，防止大电流 ^R7zLHU;  
        default :pf=Happy_Birthday;flag=16;break; :UcS$M1LE  
    } mF}k}0  
    p=pf; 3Gl]g/  
} g$"eI/o  
E@jl: -*E  
//定时器0产生频率 d95N$n   
void timer0() interrupt 1 using 1 e-cb?.WU?  
{ pInWKj[y1  
    uint temp=65536-*p; ;]M67ma7C  
    TH0=(uchar)(temp>>8); thPH_DW>eb  
    TL0=(uchar)temp; px>>]>ZMH  
    if(*p) Buzz^=1; JGDUCb~  
    else Buzz=1;    //Buzz=1,三极管关断，防止大电流 6J-
}&U  
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} g**%J Xo  
"$IwQ  
//定时器1产生40ms延时 ~}0hN]*G  
void timer1() interrupt 3 using 2 '>|*j"jv-  
{ x0A%kp&w  
    TH1=0x71; /Tf*d>Yh;  
    TL1=0x48;    //40ms的定时 pu$XUt  
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    if(flag==0) 6>BDA?  
    { w52HN;Jm  
        flag=*(p+1); wt.{Fqm  
        if(flag==0) q AVfbcb  
        { ms\/=96F  
            p=pf; A Wh*<H  
            flag=*(p+1); Fl+tbF  
        } #8f"}>U9.,  
        else 
K@sP~('  
        {    p++; ?> MoV5  
            p++; :y-0qzD?  
        } NVA`t]gn  
    }
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u\3A&  
    else flag--; R`C_CsXir  
    time++;        //流水灯定时 YTjuSV  
    if(time%5==0) 9poEUjBI  
    {  switch(time) v8vh~^X%P  
       {case 5:P0=0x01;break; ,6orB}w?z  
        case 10:P0=0x02;break; h,'mN\6t  
          case 15:P0=0x04;break; 9 QCpXy  
        case 20:P0=0x08;break; ilRm}lU|x  
        case 25:P0=0x10;break; J]Gc  
          case 30:P0=0x20;break; So\|Ye  
        case 35:P0=0x40;break; UGC|C F2K  
        case 40:P0=0x80;time=0;break; jdg ~!<C  
        default :time=0;break; i3l #~  
       } K!D_PxV  
    } -90ZI1O`  
} k|$"TFXx;  
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void delay(uint i) 2.Eu+*UC  
{ itC *Z6^  
    while(i--); b?2X>QJ  
} lGnql1(  
void word(uchar *ps)     //显示单个字符 Q 9gFTLQ  
{    uchar i,j; yrE,,N%I  
    uchar _bit=0X80;  ny  
    for(i=0;i<200;i++) V:F+HM
Bk  
    { ^Azt.\fMX  
        for(j=0;j<8;j++) Wq{d8|)1  
        {  P1=0xff; ^!o1l-Y^gr  
           P2=~_bit; csFJ5  
           P1=*(ps+j); kHJDX;  
           delay(100); /8WpX  
           _bit>>=1; j""y2c1  
        } }[KDE{,V  
        _bit=0X80; [aWDD[#j~  
    } p-i.ITRS  
} 0x]OF8=J  
void display(uchar *ps)     //显示移动字符 ){Ciu[h  
{    uchar i,j; g]==!!^<D  
    uchar _bit=0X80; w$b+R8.n)  
    while(*(ps+8)!=0xaa) u1pc5 Y{  
    { 47C(\\
 
        for(i=0;i<20;i++) *< $c =  
        { s}[A4`EWH  
                for(j=0;j<8;j++) 5!S
oN}$  
                {  P1=0xff; GTp?)nh^  
                   P2=~_bit; n{.*El>{  
                   P1=*(ps+j); M|[@znzR<  
                   delay(100); jHu,u|e0>S  
                   _bit>>=1; yUD_w  
                } _>gXNS r4u  
            _bit=0x80; +(=0CA0GE  
        } Mz/]DJ8  
        ps++; 9zoT6QP4  
    } DnG/ n  
} B@"SOX  
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void main() WA]%,6  
{    uchar i; gqP-E  
    init_devices(); Q SHx]*)  
    for(i=0;i<6;i++) word(figure); D4=..;  
    word(arrow); x9x#'H3  
    word(arrow); /R
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    TR0=1; PwFQ#Z  
    TR1=1; ),nCq^Bp  
    while(1) W"b&M%y|  
    { p@?7^nIR*u  
        display(str1); b(PHZCy#  
        display(str1);
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        display(str2); toS(UM n  
    } =~GE?}.o  
}