求救！stc89c52为什么播放不了音乐？求大神搭救

时间：10-02 整理：3721RD 点击：

#include<reg52.h>
#include<intrins.h>
#define uchar unsigned char
#define uint unsigned int
#define allsong 1
sbit beep=P3^0;
sbit key_sound=P3^1;
unsigned char music_l;
unsigned char music_h;
unsigned char tone_h;
unsigned char tone_l;
unsigned char beat；//节拍
unsigned char tone;//音调
unsigned char out = 0;
uint which = 2 ;  //简谱表里的第几个音从第2个开始  第0个用来存曲速
void delayms(int ms);
void delay(int pai);
void play();
uchar code chuzhi[]={
  0xfa,0x67,//  低音4 d
  0xfb,0x04,//  低音5 e
  0xfb,0x90,//  低音6 f
  0xfc,0x0c,//  低音70x07g
  0xfc,0x44,//  中音1  0x11  (17)
  0xfc,0xac,//  2
  0xfd,0x09,//  3
  0xfd,0x34,//  4
  0xfd,0x82,//  5
  0xfd,0xc8,//  6
  0xfe,0x06,//中音7 0x17  (23)
  0xfe,0x22,//高音1 0x211. (33)
  0xfe,0x56,// 2 2.
  0xfe,0x85,// 3 3.
  0xfe,0x9a,// 4 4.
  0xfe,0xc1,// 高音5 5.
};
uchar code chuntianli[]={
0x78,//曲速0x78,  表示  120  拍/分
0,0x06,2,0x02,3,0x02,5,0x02,
7,0x02,7,0x02,7,0x02,7,0x02,7,0x02,6,0x02,
5,0x06,2,0x02,3,0x02,5,0x02,
7,0x02,7,0x02,7,0x02,7,0x02,7,0x02,6,0x02,
5,0x06,7,0x02,6,0x02,5,0x02,
5,0x02,5,0x02,5,0x02,5,0x02,5,0x02,3,0x02,//第六行
5,0x06,5,0x02,5,0x02,5,0x02,5,0x02,
6,0x02,6,0x02,6,0x02,6,0x02,6,0x02,5,0x02,//第八行
6,0x04,0,0x02,5,0x02,6,0x02,7,0x02,
9,0x02,9,0x02,9,0x02,9,0x02,9,0x02,7,0x02,
7,0x04,0,0x02,5,0x02,6,0x02,7,0x02,
10,0x02,10,0x02,10,0x02,10,0x02,10,0x02,9,0x02,//第十二行
7,0x04,0,0x02,7,0x02,7,0x02,9,0x02,
10,0x02,10,0x02,9,0x02,10,0x02,10,0x02,12,0x02,
12,0x04,0,0x02,12,0x02,12,0x02,10,0x02,
13,0x02,13,0x02,13,0x02,13,0x02,13,0x02,12,0x02,//十六行
13,0x04,0,0x02,9,0x02,10,0x02,12,0x02,
0x22,0x04,0x23,0x04,0x00,0x04,
0,0x06,9,0x02,10,0x02,12,0x02,
13,0x04,14,0x04,0,0x04,//第二十行
0,0x06,14,0x04,13,0x04,5,0x04,
13,0x04,10,0x04,0,0x04,
0,0x06,10,0x04,12,0x04,10,0x04,
13,0x04,9,0x04,0,0x04, //第二十四行
0,0x06,16,0x02,16,0x02,13,0x02,
13,0x04,14,0x04,0,0x04,
0,0x06,14,0x02,13,0x02,5,0x02,
13,0x04,14,0x04,0,0x04, //第二十八行
0,0x06,14,0x02,13,0x02,12,0x02,
13,0x04,10,0x04,0,0x04,
0,0x06,10,0x02,12,0x02,10,0x02,
13,0x0c,
13,0x02,0,0x04,2,0x02,3,0x02,12,0x02,
5,0x0c,
13,0x02,12,0x04,10,0x02,
12,0x0c,
5,0x08,0,0x04,
0xff,
};
void delayms (int ms)
{
uchar a,b,c;
while(ms--)
  {
  for(c=1;c>0;c--)
      for(b=142;b>0;b--)
         for(a=2;a>0;a--);
  }
}
void delay(int pai)
{
uchar a,b,c;
while(pai--)
  {
   for(c=1;c>0;c--)
   for(b=28;b>0;b--)
      for(a=110;a>0;a--);
  }
}
void timer0()interrupt 1
{
if(key_sound==0)
{
TL0=music_l;
TH0=music_h;
beep=~beep;
}
}
  void play ()
{
uint  qusu ;
uint  pai2;
qusu = chuntianli[0];
which=2;
while(chuntianli[which]！=0xff)
{
   tone =chuntianli[which];
      beat = chuntianli[which+1];
      which = which + 2;
      tone_l = tone%16;  //低四位调
      tone_h = tone/16;    //高四位是低音0 中音1 高音2
      if(tone ！= 0)
         {
         /* if(tone_h==0 && tone_l==4)
            {
               music_h = chuzhi[1];
               music_l = chuzhi[2];
         }
         else if(tone_h==0 && tone_l==5)
            {
            music_h = chuzhi[3];
               music_l = chuzhi[4];
         }
      else if(tone_h==0 && tone_l==6)
         {
         music_h = chuzhi[5];
            music_l = chuzhi[6];
         }
      else if(tone_h==0&&tone_l==7)
         {
            music_h = chuzhi[7];
            music_l = chuzhi[8];
         }
         else if(tone_h==1&&tone_l==11)
         {
            music_h = chuzhi[9];
            music_l = chuzhi[10];
            }
      else if(tone_h==1&&tone_l==12)
            {
               music_h = chuzhi[11];
               music_l = chuzhi[12];
            }
      else if(tone_h==1&&tone_l==13)
            {
               music_h = chuzhi[13];
               music_l = chuzhi[14];
            }
      else if(tone_h==1&&tone_l==14)
            {
            music_h = chuzhi[tone+4];
            music_l = chuzhi[tone+5];
            }
   else if(tone_h==1&&tone_l==15)
            {
            music_h = chuzhi[15];
            music_l = chuzhi[16];
            }
      else if(tone_h==1&&tone_l==0)
            {
            music_h = chuzhi[17];
            music_l = chuzhi[18];
            }
      else if(tone_h==1&&tone_l==1)
            {
               music_h = chuzhi[19];
               music_l = chuzhi[20];
            }
      else if(tone_h==2&&tone_l==5)
            {
               music_h = chuzhi[21];
               music_l = chuzhi[22];
            }
         else if(tone_h==2&&tone_l==6)
            {
               music_h = chuzhi[23];
               music_l = chuzhi[24];
            }
         else if(tone_h==2&&tone_l==7)
         {
            music_h = chuzhi[25];
            music_l = chuzhi[26];
            }
         else if(tone_h==2&&tone_l==8)
         {
            music_h = chuzhi[27];
            music_l = chuzhi[28];
            }
         else if(tone_h==2&&tone_l==9)
            {
               music_h = chuzhi[29];
               music_l = chuzhi[30];
            }*/
TR0 = 1; /*给初值赋值后开启定时器0  蜂鸣器开始发声 */
out = 1;
      }
      else
      {
         P0 = 0x00;
         flash = 0;
         }
pai2 = (2400/qusu)*beat;
delay(pai2);
delayms(39);
}
}
void main()
{
  P0=0x00;
  P2=0xff;
  TMOD=0x11;
  IE=0x8a;
  PT0=1;
while(1)
{
if(key_sound==0)
{
TR0=1;
TR1=1;
play();
}
}

上一篇：定义接口定义引脚
下一篇：第35章窗口管理器实例（二）

微处理器相关文章：

栏目分类