生日礼物 [复制链接]

#include<reg52.h> E|-5=!]fX  
#include<present.h> v~AshmP  
eV(.\Lj  
sbit Buzz=P3^7; qB@N|Bb  
jdVj FCl^#  
uchar flag=16,sign=1; E[ -yfP~[  
uchar time=0;         //流水灯定时 n4{?Odrf  
uint *pf=Happy_Birthday; r@i)Sluf  
uint *p=Happy_Birthday; 1Ci^e7
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void init_devices(void) WN|_IJR~  
{ yMkR)HY  
    TMOD=0x11; "* FjEA6=  
    TH1=0x71; P5G0fq7  
    TL1=0x48;    //40ms的定时 #sF#<nHZ  
    TH0=0x00; +Q5'!@8  
    TL0=0x00;    //初始化 !a V:T&6  
    IT1=1; )AieO-4*  
    EA=1; IY!.j5q8  
    EX1=1; {%('|(57  
    ET0=1; >_]Ov
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    ET1=1; )D+eWo  
} %kkDitmI{  
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void int1() interrupt 2 using 0 {_4Hsw?s6  
{ Y@UW\d*'%I  
    sign++;    //下一曲 Y/m-EL  
    switch(sign) O['[_1n_u]  
    {    case 1:TR0=1;pf=Happy_Birthday;flag=16;break; gL| 9hvHr[  
        case 2:pf=Legend;flag=8;break; *h?}~!AjY  
        case 3:pf=Childhood;flag=8;break; 7,?ai6{  
        case 4:TR0=0;sign=0;Buzz=1;break;//停唱Buzz=1,三极管关断，防止大电流 Y*lc ~X  
        default :pf=Happy_Birthday;flag=16;break; wS$ 'gKA6  
    } 32j#kJW  
    p=pf; AGwdM-$iT  
} AYoTCi%7E  
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//定时器0产生频率 uJ1oo| sn  
void timer0() interrupt 1 using 1 "tmu23xQ  
{
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    uint temp=65536-*p; &432/=QSm0  
    TH0=(uchar)(temp>>8); $_HyE%F#  
    TL0=(uchar)temp; *fyaAv  
    if(*p) Buzz^=1; P()&?C  
    else Buzz=1;    //Buzz=1,三极管关断，防止大电流 06pY10<>X  
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} kyYU 1gfh  
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//定时器1产生40ms延时 S?'L%%Vo  
void timer1() interrupt 3 using 2 i(# Fjp  
{ F2n4#b  
    TH1=0x71; 6khm@}}  
    TL1=0x48;    //40ms的定时 1csbuR?  
 SBi4i;qD  
    if(flag==0) (YPG4:[  
    { B/~ubw  
        flag=*(p+1); #~|esr/wf  
        if(flag==0) w17{2']  
        { ^h`rA"F\  
            p=pf; =@P(cFJ/  
            flag=*(p+1); VqOTrB1w/  
        } ^s=F<_{  
        else ^6CPC@B1  
        {    p++; :Xx7':5  
            p++; =(,kjw88w  
        } mxc^I
Rj  
    } S!R(ae^}  
    else flag--; 8y?q)y9h  
    time++;        //流水灯定时 OMjx,@9  
    if(time%5==0) g'-hSV/@}@  
    {  switch(time) !.q#X^@>L  
       {case 5:P0=0x01;break; xTZJ5iZ17  
        case 10:P0=0x02;break; `Y '-2Fv  
          case 15:P0=0x04;break; ']X0g{%  
        case 20:P0=0x08;break; PIsXX#`7;  
        case 25:P0=0x10;break; O]25{L  
          case 30:P0=0x20;break; ${t$:0R,h  
        case 35:P0=0x40;break; UG
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        case 40:P0=0x80;time=0;break; z`dnS]q9  
        default :time=0;break; BSEP*#s  
       } bGj<Dojl  
    } tKi^0vE8  
} ; ?,'jI*1  
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void delay(uint i) q^[SN  
{ *unJd"<*&@  
    while(i--); R~dWblv  
} RHt~:D3*  
void word(uchar *ps)     //显示单个字符 y<yU5  
{    uchar i,j; $*9:a3>zny  
    uchar _bit=0X80; eX^ F^(  
    for(i=0;i<200;i++) 1eS@ihkP  
    { Q#4OgNt  
        for(j=0;j<8;j++) ef:Zi_o   
        {  P1=0xff; HhTD/  
           P2=~_bit; -K5u5l}  
           P1=*(ps+j); .m%ygoO  
           delay(100); f(
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           _bit>>=1; aSSw>*?Q  
        } R"71)ob4  
        _bit=0X80; Op iVQr:  
    } !8J%%Ux&M  
} UzkX;UA  
void display(uchar *ps)     //显示移动字符 5PKdMEK|q  
{    uchar i,j; dM5N1$1,  
    uchar _bit=0X80; yjChnp Cc  
    while(*(ps+8)!=0xaa) S'q4va"  
    { "3a_C,\  
        for(i=0;i<20;i++) *C^`+*}OE$  
        { RLF]Wa,  
                for(j=0;j<8;j++) `lE8dwL  
                {  P1=0xff; Rd+`b  
                   P2=~_bit; "Ze<dB#,Y  
                   P1=*(ps+j); Ktf lbI!  
                   delay(100); G
^w:c]  
                   _bit>>=1; F:2V;  
                } gG46hO-M%x  
            _bit=0x80; R<8!lQ4s  
        } 0hju@&Aa  
        ps++; -Wl79lE  
    } WcE/,<^*  
} =MMSmu5!  
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void main() C5'#0}6i  
{    uchar i; _O>8jH!#  
    init_devices(); kT{d pGU9  
    for(i=0;i<6;i++) word(figure); ;kF+V*  
    word(arrow); !W45X}/o  
    word(arrow); C%kIxa)  
    TR0=1; K(p6P3Z  
    TR1=1; JXF@b-c  
    while(1) +# tmsv]2  
    { lhx]r}@'MC  
        display(str1); 3R$*G8v  
        display(str1); RE75TqYW  
        display(str2); 8Ir = @  
    } YST{ h{  
}