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51单片机 音乐播放器
阅读量：362 次
发布时间：2019-03-04

本文共 10233 字，大约阅读时间需要 34 分钟。

   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
//宏定义部分
#define L1  262  //低音1
#define L2  286  //低音2
#define L3  311  //低音3
#define L4  349  //低音4
#define L5  392  //低音5
#define L6  440  //低音6
#define L7  494  //低音7
#define Z1  523  //中音1
#define Z2  587  //中音2
#define Z3  659  //中音3
#define Z4  698  //中音4
#define Z5  784  //中音5
#define Z6  880  //中音6
#define Z7  987  //中音7
#define H1  1046  //高音1
#define H2  1174  //高音2
#define H3  1318  //高音3
#define H4  1396  //高音4
#define H5  1567  //高音5
#define H6  1760  //高音6
#define H7  1975  //高音7
//硬件端口定义
sbit sound = P1 ^ 4;  //蜂鸣器
sbit KAISHI = P1 ^ 0;  //开始
sbit ZANTING = P1 ^ 1;  //暂停
sbit PRE_KEY = P1 ^ 2;  //上一首
sbit NEXT_KEY = P1 ^ 3;  //下一首
sbit yianjian = P1 ^ 5;  //选择第1首歌的按键
sbit eranjian = P1 ^ 6;  //选择第2首歌的按键
sbit sananjian = P1 ^ 7;  //选择第3首歌的按键
//程序变量定义
unsigned int C;
unsigned char u, t;
unsigned char velocity = 60;  //100ms一个拍子
unsigned char press_key = 0;  //按键按下状态
unsigned char open_flag = 1;  //1表示正在播放
unsigned char music_crr = 0;  //当前播放的音乐编号（0、1、2）
//音乐节拍定义
unsigned int code music0[] = {
  Z6, Z7, H1, Z7, H1, H3,
  Z7, Z3, Z3, Z6, Z5, Z6,
  H1, Z5, Z3, Z3, Z4, Z3,
  Z4, H1, Z3, H1, H1, H1,
  Z7, Z4, Z4, Z7, Z7, Z6,
  Z7, H1, Z7, H1, H3, Z7,
  Z3, Z3, Z6, Z5, Z6, Z5,
  Z3, Z3, Z4, H1, Z7, H1,
  H2, H2, H2, H1, H1, Z6,
  Z6, Z5, Z6, H1, Z5, Z3,
  Z4, H1, Z7, H1, H2, H5,
  H5, H2, Z5, Z5, Z6, Z6,
  Z3, Z2, Z3, Z5, Z3, Z2,
  Z1, Z1, Z2, Z1, 0xff
};
unsigned char code music0_JP[] = {
  4, 4, 12, 4, 8, 8,
  20, 4, 4, 12, 4, 8, 8,
  20, 4, 4, 4, 12, 4, 8, 8,
  20, 4, 4, 4, 4, 8, 4, 2, 2, 4, 2, 2,
  8, 2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 2, 8, 8, 8, 2, 2,
  2, 2, 4, 4, 8, 8, 2, 2, 2, 2, 2, 2, 4, 12, 8, 8
};
unsigned int code music1[] = {
  Z3, Z3, Z5, Z6, H1, H1,
  Z6, Z5, Z5, Z6, Z5, Z3,
  Z3, Z3, Z5, Z6, H1, H1,
  Z6, Z5, Z5, Z6, Z5, Z3,
  Z3, Z2, Z3, Z5, Z3, Z2,
  Z1, Z1, Z2, Z1, 0xff
};
unsigned char code music1_JP[] = {
  16, 8, 8, 8, 8, 8, 8,
  16, 8, 8, 32, 16, 8, 8, 32,
  16, 16, 16, 8, 8, 16, 16, 32,
  16, 8, 8, 16, 8, 8, 32, 1, 8, 8
};
unsigned int code music2[] = {
  H3, H3, H3, H2, H1, H2, H5, H5, H1, H1, H1, H1, Z6,
  Z7, H3, H3, Z5, Z6, H6, H5, H4, H3, H2, H1, H1,
  Z6, H1, H2, H5, H5, H2, H1, H2, H2, Z1, H3, H3,
  H3, H2, H1, H2, H5, H5, H1, H1, H1, H1, Z6, Z7,
  H3, H3, Z5, Z6, H6, H5, H4, H3, H2, H1, H1, Z6,
  H1, H2, H5, H5, H2, H1, H2, H2, Z1, H3, H3,
  H3, H2, H1, H2, H5, H5, H1, H1, H1, H1, Z6, Z7,
  H3, H3, Z5, Z6, H6, H5, H4, H3, H2, H1, H1, Z6,
  H1, H2, H5, H5, H2, H1, H2, H2, Z1, H3, H3,
  H3, H2, H1, H2, H5, H5, H1, H1, H1, H1, Z6, Z7,
  H3, H3, Z5, Z6, H6, H5, H4, H3, H2, H1, H1, Z6,
  H1, H2, H5, H5, H2, H1, H2, H2, Z1, H3, H3,
  H3, H2, H1, H2, H5, H5, H1, H1, H1, H1, Z6, Z7,
  H3, H3, Z5, Z6, H6, H5, H4, H3, H2, H1, H1, Z6,
  H1, H2, H5, H5, H2, H1, H2, H2, Z1, H3, H3,
  H3, H2, H1, H2, H5, H5, H1, H1, H1, H1, Z6, Z7,
  H3, H3, Z5, Z6, H6, H5, H4, H3, H2, H1, H1, Z6,
  H1, H2, H5, H5, H2, H1, H2, H2, Z1, H3, H3,
  H3, H2, H1, H2, H5, H5, H1, H1, H1, H1, Z6, Z7,
  H3, H3, Z5, Z6, H6, H5, H4, H3, H2, H1, H1, Z6,
  H1, H2, H5, H5, H2, H1, H2, H2, Z1, H3, H3,
  H3, H2, H1, H2, H5, H5, H1, H1, H1, H1, Z6, Z7,
  H3, H3, Z5, Z6, H6, H5, H4, H3, H2, H1, H1, Z6,
  H1, H2, H5, H5, H2, H1, H2, H2, Z1, H3, H3,
  H3, H2, H1, H2, H5, H5, H1, H1, H1, H1, Z6, Z7,
  H3, H3, Z5, Z6, H6, H5, H4, H3, H2, H1, H1, Z6,
  H1, H2, H5, H5, H2, H1, H2, H2, Z1, H3, H3,
  H3, H2, H1, H2, H5, H5, H1, H1, H1, H1, Z6, Z7,
  H3, H3, Z5, Z6, H6, H5, H4, H3, H2, H1, H1, Z6,
  H1, H2, H5, H5, H2, H1, H2, H2, Z1, H3, H3,
  H3, H2, H1, H2, H5, H5, H1, H1, H1, H1, Z6, Z7,
  H3, H3, Z5, Z6, H6, H5, H4, H3, H2, H1, H1, Z6
};
unsigned char code music2_JP[] = {
  8, 2, 2, 2, 2, 4, 4, 8,
  8, 2, 2, 2, 2, 4, 4, 4, 4, 8, 4, 2, 2, 4, 2, 2,
  8, 2, 2, 2, 2, 2, 2, 2, 8, 8, 8, 2, 2, 2, 2, 4, 4, 8, 8, 2, 2,
  2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 8, 8, 8, 2, 2, 2, 2, 4, 4, 8, 8, 2, 2,
  2, 2, 4, 4, 8, 4, 2, 2, 4, 2, 2, 8, 2, 2, 2, 2, 2, 2, 2, 2, 8, 8, 8, 2, 2,
  2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 8, 8, 8, 2, 2, 2, 2, 4, 4, 8, 8, 2, 2,
  2, 2, 4, 4, 8, 4, 2, 2, 4, 2, 2, 8, 2, 2, 2, 2, 2, 2, 2, 2, 8, 8, 8, 2, 2,
  2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 8, 8, 8, 2, 2, 2, 2, 4, 4, 8, 8, 2, 2,
  2, 2, 4, 4, 8, 4, 2, 2, 4, 2, 2, 8, 2, 2, 2, 2, 2, 2, 2, 2, 8, 8, 8, 2, 2,
  2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 8, 8, 8, 2, 2, 2, 2, 4, 4, 8, 8, 2, 2,
  2, 2, 4, 4, 8, 4, 2, 2, 4, 2, 2, 8, 2, 2, 2, 2, 2, 2, 2, 2, 8, 8, 8, 2, 2,
  2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 8, 8, 8, 2, 2, 2, 2, 4, 4, 8, 8, 2, 2,
  2, 2, 4, 4, 8, 4, 2, 2, 4, 2, 2, 8, 2, 2, 2, 2, 2, 2, 2, 2, 8, 8, 8, 2, 2
};
//延时函数
void delay(uint z) {
  uint x;
  while (z--) {
    for (x = 125; x > 0; x--) {
      ;
    }
  }
}
void delay1() {
  uint i, j;
  for (i = 0; i < velocity; i++) {
    for (j = 0; j < 125; j++) {
      ;
    }
  }
}
void init_timer() {
  EA = 1;          //总中断使能
  ET1 = 1;         //定时器T1中断允许
  TMOD &= 0x0f;    //清除TMOD的低4位
  TMOD |= 0x01;    //使用定时器T1的模式1（13位计数器）
  TR1 = 1;         //启动定时器T1
  ET0 = 1;         //定时器T0中断允许
}
unsigned char ScanKey() {
  if (KAISHI == 0) {
    delay(1);
    if (KAISHI == 0) {
      while (KAISHI == 0) {
        return 1;
      }
    }
  }
  if (ZANTING == 0) {
    delay(1);
    if (ZANTING == 0) {
      while (ZANTING == 0) {
        return 2;
      }
    }
  }
  if (PRE_KEY == 0) {
    delay(1);
    if (PRE_KEY == 0) {
      while (PRE_KEY == 0) {
        return 3;
      }
    }
  }
  if (NEXT_KEY == 0) {
    delay(1);
    if (NEXT_KEY == 0) {
      while (NEXT_KEY == 0) {
        return 4;
      }
    }
  }
  if (yianjian == 0) {
    delay(1);
    if (yianjian == 0) {
      while (yianjian == 0) {
        return 5;
      }
    }
  }
  if (eranjian == 0) {
    delay(1);
    if (eranjian == 0) {
      while (eranjian == 0) {
        return 6;
      }
    }
  }
  if (sananjian == 0) {
    delay(1);
    if (sananjian == 0) {
      while (sananjian == 0) {
        return 7;
      }
    }
  }
  return 0;
}
void delay_key() {
  if (press_key == 1) {
    open_flag = 1;
    press_key = 0;
  }
  if (press_key == 2) {
    open_flag = 0;
    press_key = 0;
  }
  if (press_key == 3) {
    press_key = 0;
    if (music_crr > 0) {
      music_crr = (music_crr - 1) % 3;
    } else {
      music_crr = 2;
    }
    LCD_write_char(9, 0, music_crr + '1');
    rtc_hour = 0;
    rtc_min = 0;
    rtc_sec = 0;
  }
  if (press_key == 4) {
    press_key = 0;
    music_crr = (music_crr + 1) % 3;
    LCD_write_char(9, 0, music_crr + '1');
    rtc_hour = 0;
    rtc_min = 0;
    rtc_sec = 0;
  }
  if (press_key == 5) {
    press_key = 0;
    music_crr = 0;
    LCD_write_char(9, 0, music_crr + '1');
    rtc_hour = 0;
    rtc_min = 0;
    rtc_sec = 0;
    open_flag = 1;
  }
  if (press_key == 6) {
    press_key = 0;
    music_crr = 1;
    LCD_write_char(9, 0, music_crr + '1');
    rtc_hour = 0;
    rtc_min = 0;
    rtc_sec = 0;
    open_flag = 1;
  }
  if (press_key == 7) {
    press_key = 0;
    music_crr = 2;
    LCD_write_char(9, 0, music_crr + '1');
    rtc_hour = 0;
    rtc_min = 0;
    rtc_sec = 0;
    open_flag = 1;
  }
  if (open_flag == 1) {
    TR0 = 1;
  } else {
    TR0 = 0;
  }
  LCD_dis_TIME(6, 1, rtc_hour, rtc_min, rtc_sec);
}
void main() {
  LCD_init();
  LCD_write_str(0, 0, "   WELCOME!");
  delay(1000);
  LCD_write_str(0, 0, "Playing:    ");
  LCD_write_char(9, 0, '1');
  LCD_write_str(0, 1, "Time:");
  LCD_dis_TIME(6, 1, rtc_hour, rtc_min, rtc_sec);
  init_timer();
  TR1 = 0;
  sound = 0;
  open_flag = 0;
  TR0 = 0;
  LCD_dis_TIME(6, 1, rtc_hour, rtc_min, rtc_sec);
  while (1) {
    press_key = ScanKey();
    delay_key();
    if (music_crr == 0 && open_flag == 1) {
      u = 0;
      changdu = sizeof(music0);
      while (music0[u] != 0xff) {
        press_key = ScanKey();
        delay_key();
        if (music_crr != 0) {
          init_timer();
          TR1 = 0;
          sound = 1;
          break;
        }
        if (open_flag == 0) {
          while (open_flag == 0) {
            press_key = ScanKey();
            delay_key();
          }
        }
        C = 460830 / music0[u];
        TH1 = (8192 - C) / 32;
        TL1 = (8192 - C) % 32;
        TR1 = 1;
        changdu--;
        for (t = 0; t < music0_JP[u]; t++) {
          delay1();
        }
        TR1 = 0;
        u++;
      }
      init_timer();
      TR1 = 0;
      sound = 1;
    }
    if (music_crr == 1 && open_flag == 1) {
      u = 0;
      changdu = sizeof(music1);
      while (music1[u] != 0xff) {
        press_key = ScanKey();
        delay_key();
        if (music_crr != 1) {
          init_timer();
          TR1 = 0;
          sound = 1;
          break;
        }
        if (open_flag == 0) {
          while (open_flag == 0) {
            press_key = ScanKey();
            delay_key();
          }
        }
        C = 460830 / music1[u];
        TH1 = (8192 - C) / 32;
        TL1 = (8192 - C) % 32;
        TR1 = 1;
        changdu--;
        for (t = 0; t < music1_JP[u]; t++) {
          delay1();
        }
        TR1 = 0;
        u++;
      }
      init_timer();
      TR1 = 0;
      sound = 1;
    }
    if (music_crr == 2 && open_flag == 1) {
      u = 0;
      changdu = sizeof(music2);
      while (music2[u] != 0xff) {
        press_key = ScanKey();
        delay_key();
        if (music_crr != 2) {
          init_timer();
          TR1 = 0;
          sound = 1;
          break;
        }
        if (open_flag == 0) {
          while (open_flag == 0) {
            press_key = ScanKey();
            delay_key();
          }
        }
        C = 460830 / music2[u];
        TH1 = (8192 - C) / 32;
        TL1 = (8192 - C) % 32;
        TR1 = 1;
        changdu--;
        for (t = 0; t < music2_JP[u] / 2; t++) {
          delay1();
        }
        TR1 = 0;
        u++;
      }
      init_timer();
      TR1 = 0;
      sound = 1;
    }
  }
}
void Time1() interrupt 3 {
  sound = !sound;
  TH1 = (8192 - C) / 32;
  TL1 = (8192 - C) % 32;
}
void Time0() interrupt 1 {
  TH0 = (65535 - 50000) / 255;
  TL0 = (65535 - 50000) % 255;
  num2++;
  if (num2 == 20) {
    num2 = 0;
    rtc_sec++;
    if (rtc_sec == 60) {
      rtc_sec = 0;
      rtc_min++;
      if (rtc_min == 60) {
        rtc_min = 0;
        rtc_hour++;
        if (rtc_hour == 24) {
          rtc_hour = 0;
        }
      }
    }
  }
}

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