單片機用定時器的音樂播放器，但是出不來聲音，求大神幫忙看一下程序

ID:127400 · 發(fā)表于 2016-6-22 09:11

做的是利用定時器的音樂播放器，但是出不來聲音，求大神幫忙看一下程序

#include<reg52.h>
#define uint unsigned int
#define uchar unsigned char
sbit song=P1^0;
sbit start=P3^6;
sbit stop=P3^7;
bit  flag=0;

uchar code newyear[]={0xFE,0x25,4,0xFE,0x25,4,0xFE,0x25,8,
                           0xFD,0x80,8,0xFE,0x84,4,0xFE,0x84,4,
                                 0xFE,0x84,8,0xFE,0x25,8,0x0FE,0x25,4,
                                       0xFE,0x84,4,0x0FE,0x0C0,8,0xFE,0xC0,8,
                                 0xFE,0x98,4,0xFE,0x84,4,0xFE,0x57,8,
                        0xFF,0xFF};
uchar code tiger[]={0xfe,0x25,4,0xfe,0x57,4,0xfe,0x84,4,
                                    0xfe,0x25,4,0xfe,0x25,4,0xfe,0x57,4,
                                    0xfe,0x84,4,0xfe,0x25,4,0xfe,0x84,4,
                                    0xfe,0x98,4,0xfe,0xc0,8,0xfe,0x84,4,
                                    0xfe,0x98,4,0xfe,0xc0,8,0xfe,0xc0,2,
                                    0xfe,0xe3,2,0xfe,0xc0,2, 0xfe,0x98,2,
                                    0xfe,0x84,4,0xfe,0x25,4,0xfe,0xc0,2,
                                    0xfe,0xe3,2,0xfe,0xc0,2, 0xfe,0x98,2,
                                    0xfe,0x84,4,0xfe,0x25,4,0xfe,0x25,4,
                                    0xfd,0x80,4,0xfe,0x25,8,0xfe,0x25,4,
                                    0xfd,0x80,4,0xfe,0x25,8,0xff,0xff};
void delay(uchar time);
void chushi();
void key();
void play(uchar  melody[]);
int H=-3,L=-2,T=-1,a,b,c,d;

void main()
{
while(1)
{if(d==1)
      {play(newyear);}
if(d==2)
      {play(tiger);}
if(d==3)
      TR1=0;


}
}
void test() interrupt 3
{
TH1=a;
TL1=b;
song=~song;
}

void delay(uchar time)
{
  uint i;
  for(i=0;i<time*2000;i++);

}
void chushi()
{
      TMOD=0x10;
      ET1=1;
      EA=1;
      TR1=1;
      IT0=1;
      EX0=1;
}
void key() interrupt 0
{
      chushi();
      flag=1;
      d=0;
      if(start==0)
      {
            d++;
            if(d==3)
                     d=1;
      }
      if(stop==0)
            d=3;
}
void play(uchar melody[])
{
chushi();
while(1)
  {
  a=melody[H];
  b=melody[L];
  c=melody[T];
  H=H+3;
  L=L+3;
  T=T+3;
  delay(c);
  TR1=0;
  delay(1);
  TR1=1;
  if(melody[H]==0xff){TR1=0;H=-3;L=-2;T=-1;}}
}