单片机用定时器的音乐播放器，但是出不来声音，求大神帮忙看一下程序 -

标题: 单片机用定时器的音乐播放器，但是出不来声音，求大神帮忙看一下程序 [打印本页]

作者: 夜轻风 时间: 2016-6-22 09:11
标题: 单片机用定时器的音乐播放器，但是出不来声音，求大神帮忙看一下程序

做的是利用定时器的音乐播放器，但是出不来声音，求大神帮忙看一下程序

#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;}}
}

作者: admin 时间: 2016-6-23 23:53
你把仿真工程文件打包上传一下我本地调试看看

作者: zl2168 时间: 2016-6-24 21:43
本帖最后由 zl2168 于 2016-6-24 21:45 编辑

实例75 定时器控制播放生日快乐歌

先Proteus仿真一下，确认有效。

实例75 定时器控制播放生日快乐歌.rar (26.96 KB, 下载次数: 55)

以上摘自张志良编著《单片机实验实训100例》 ISBN 978-7-5124-1603-1，北航社出版

书中电路和程序设计有详细说明，程序语句条条有注解。

作者: zl2168 时间: 2016-6-24 21:45
实例76 定时器控制播放世上只有妈妈好歌曲

先Proteus仿真一下，确认有效。

实例76 定时器控制播放世上只有妈妈好歌曲.rar (27.15 KB, 下载次数: 37)

以上摘自张志良编著《单片机实验实训100例》 ISBN 978-7-5124-1603-1，北航社出版

书中电路和程序设计有详细说明，程序语句条条有注解。

作者: 嘻嘻嘻咦 时间: 2019-12-4 21:30

zl2168 发表于 2016-6-24 21:45
实例76 定时器控制播放世上只有妈妈好歌曲

请问这个的代码是怎么编写的

欢迎光临 (http://www.51hei.com/bbs/)