51单片机音乐播放器-白红宇

51单片机音乐播放器

阅读量：362 次

发布时间：2019-03-04

本文共 9818 字，大约阅读时间需要 32 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;        }      }    }  }}