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有沒有大神解釋一下單片機音樂代碼 求幫助

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ID:439126 發表于 2019-3-29 23:03 | 只看該作者 回帖獎勵 |倒序瀏覽 |閱讀模式
  1. #include<reg52.h>
  2. #define uchar unsigned char
  3. #define uint unsigned int
  4. sbit S1=P3^5;
  5. sbit S2=P3^4;
  6. sbit S3=P3^3;
  7. sbit S4=P3^2;
  8. sbit RCK= P2^0;
  9. sbit DS= P2^2;
  10. sbit CLK= P2^1;
  11. sbit Speak=P3^6;//蜂鳴器
  12. uchar stop_flage;
  13. uchar table[10] = {0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
  14. //uchar table[10]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};
  15. uchar COUNT_1=0,count=0,yimiao=0,j,i; //,stop=0
  16. uchar b=0,zhi;
  17. uint Table_1[3]={0,183,401};
  18. uchar shu=1;
  19. char m=1;
  20. uchar code SONG[] ={ //路邊的野花不要采
  21. 0x18,0x10,0x20,0x10,0x1C,0x10,0x18,0x40,0x1C,
  22. 0x20,0x20,0x20,0x1C,0x20,0x18,0x20,0x20,0x80,0xFF,0x20,0x30,0x1C,0x10,0x18,0x20,
  23. 0x15,0x20,0x1C,0x20,0x20,0x20,0x26,0x40,0x20,0x20,0x2B,0x20,0x26,0x20,0x20,0x20,
  24. 0x30,0x80,0xFF,0x20,0x20,0x1C,0x10,0x18,0x10,0x20,0x20,0x26,0x20,0x2B,0x20,0x30,
  25. 0x20,0x2B,0x40,0x20,0x20,0x1C,0x10,0x18,0x10,0x20,0x20,0x26,0x20,0x2B,0x20,0x30,
  26. 0x20,0x2B,0x40,0x20,0x30,0x1C,0x10,0x18,0x20,0x15,0x20,0x1C,0x20,0x20,0x20,0x26,
  27. 0x40,0x20,0x20,0x2B,0x20,0x26,0x20,0x20,0x20,0x30,0x80,0x20,0x30,0x1C,0x10,0x20,
  28. 0x10,0x1C,0x10,0x20,0x20,0x26,0x20,0x2B,0x20,0x30,0x20,0x2B,0x40,0x20,0x15,0x1F,
  29. 0x05,0x20,0x10,0x1C,0x10,0x20,0x20,0x26,0x20,0x2B,0x20,0x30,0x20,0x2B,0x40,0x20,
  30. 0x30,0x1C,0x10,0x18,0x20,0x15,0x20,0x1C,0x20,0x20,0x20,0x26,0x40,0x20,0x20,0x2B,
  31. 0x20,0x26,0x20,0x20,0x20,0x30,0x30,0x20,0x30,0x1C,0x10,0x18,0x40,0x1C,0x20,0x20,
  32. 0x20,0x26,0x40,0x13,0x60,0x18,0x20,0x15,0x40,0x13,0x40,0x18,0x80,0x00,
  33. //祝你平安
  34. 0x26,0x20,0x20,0x20,0x20,0x20,0x26,0x10,0x20,0x10,0x20,0x80,0x26,0x20,0x30,0x20,
  35. 0x30,0x20,0x39,0x10,0x30,0x10,0x30,0x80,0x26,0x20,0x20,0x20,0x20,0x20,0x1c,0x20,
  36. 0x20,0x80,0x2b,0x20,0x26,0x20,0x20,0x20,0x2b,0x10,0x26,0x10,0x2b,0x80,0x26,0x20,
  37. 0x30,0x20,0x30,0x20,0x39,0x10,0x26,0x10,0x26,0x60,0x40,0x10,0x39,0x10,0x26,0x20,
  38. 0x30,0x20,0x30,0x20,0x39,0x10,0x26,0x10,0x26,0x80,0x26,0x20,0x2b,0x10,0x2b,0x10,
  39. 0x2b,0x20,0x30,0x10,0x39,0x10,0x26,0x10,0x2b,0x10,0x2b,0x20,0x2b,0x40,0x40,0x20,
  40. 0x20,0x10,0x20,0x10,0x2b,0x10,0x26,0x30,0x30,0x80,0x18,0x20,0x18,0x20,0x26,0x20,
  41. 0x20,0x20,0x20,0x40,0x26,0x20,0x2b,0x20,0x30,0x20,0x30,0x20,0x1c,0x20,0x20,0x20,
  42. 0x20,0x80,0x1c,0x20,0x1c,0x20,0x1c,0x20,0x30,0x20,0x30,0x60,0x39,0x10,0x30,0x10,
  43. 0x20,0x20,0x2b,0x10,0x26,0x10,0x2b,0x10,0x26,0x10,0x26,0x10,0x2b,0x10,0x2b,0x80,
  44. 0x18,0x20,0x18,0x20,0x26,0x20,0x20,0x20,0x20,0x60,0x26,0x10,0x2b,0x20,0x30,0x20,
  45. 0x30,0x20,0x1c,0x20,0x20,0x20,0x20,0x80,0x26,0x20,0x30,0x10,0x30,0x10,0x30,0x20,
  46. 0x39,0x20,0x26,0x10,0x2b,0x10,0x2b,0x20,0x2b,0x40,0x40,0x10,0x40,0x10,0x20,0x10,
  47. 0x20,0x10,0x2b,0x10,0x26,0x30,0x30,0x80,0x00,
  48. //天空之城
  49. 0x1c,0x30,0x19,0x30,0x18,0x40,0x19,0x30,0x18,0x30,0x13,0x30,0x19,0x80,
  50. 0x26,0x30,0x26,0x30,0x1c,0x40,0x20,0x30,0x1c,0x30,0x18,0x30,0x20,0x60,
  51. 0x26,0x30,0x26,0x30,0x24,0x40,0x26,0x30,0x24,0x30,0x18,0x40,0x26,0x60,
  52. 0x18,0x20,0x18,0x20,0x18,0x20,0x19,0x40,0x24,0x30,0x24,0x30,0x19,0x30,
  53. 0x19,0x60,0x1c,0x30,0x19,0x30,0x18,0x40,0x19,0x30,0x18,0x30,0x13,0x30,
  54. 0x19,0x60,0x26,0x30,0x26,0x30,0x1c,0x40,0x20,0x30,0x1c,0x30,0x18,0x30,
  55. 0x20,0x80,0x26,0x30,0x24,0x30,0x24,0x30,0x18,0x30,0x19,0x20,0x19,0x30,
  56. 0x18,0x30,0x15,0x20,0x15,0x20,0x13,0x20,0x18,0x40,0x18,0x30,0x19,0x30,
  57. 0x1c,0x20,0x1c,0x20,0x19,0x30,0x20,0x30,0x1c,0x60,0x18,0x30,0x15,0x30,
  58. 0x13,0x40,0x15,0x30,0x13,0x30,0x10,0x30,0x15,0x60,0x20,0x30,0x20,0x30,
  59. 0x18,0x30,0x19,0x30,0x18,0x30,0x13,0x30,0x13,0x60,0x1c,0x20,0x19,0x20,
  60. 0x18,0x30,0x19,0x30,0x15,0x20,0x15,0x20,0x18,0x40,0x20,0x30,0x20,0x30,
  61. 0x12,0x30,0x13,0x30,0x15,0x30,0x18,0x30,0x13,0xc0,0x13,0x80,0x13,0x30,
  62. 0x0e,0x80,0x10,0x30,0x10,0x30,0x13,0x20,0x15,0x20,0x18,0x40,0x18,0x30,
  63. 0x15,0x30,0x18,0x20,0x15,0x20,0x15,0x30,0x10,0x30,0x13,0x60,0x13,0x30,
  64. 0x0e,0x60,0x10,0x60,0x13,0x20,0x15,0x20,0x18,0x40,0x18,0x30,0x15,0x30,
  65. 0x15,0x20,0x18,0x20,0x15,0x30,0x19,0x30,0x1c,0x60,0x1c,0x30,0x19,0x30,
  66. 0x1c,0xc0,0x00,
  67. };
  68. void Delay_xMs(uint x)//1ms0x30,0x1C,0x10,0x20,0x40,0x1C,0x10,
  69. {
  70. unsigned int i,j;
  71. for( i =0;i < x;i++ )
  72. {
  73. for( j =0;j<3;j++ );
  74. }
  75. }
  76. void Delay(uint del)
  77. {
  78. uint i,j;
  79. for(i=0;i<del;i++)
  80. for(j=0;j<=184;j++);
  81. }
  82. void writ_595(uchar x)
  83. {        uchar dat,y;
  84. dat=x;
  85. for(y=0;y<8;y++)
  86. {
  87. CLK=0;
  88. if((dat&0x80) == 0x80)
  89. DS = 1; //串行數據輸出
  90. else
  91. DS = 0;
  92. CLK=1; //移位輸入時鐘，上升沿輸入
  93. dat<<=1;
  94. }
  95. RCK=0; //并行輸出時鐘
  96. RCK=1;
  97. }
  98. void Time0_Init()
  99. {
  100. TMOD=0x11;
  101. IE=0x8A;
  102. TH0=0xDC;//10ms
  103. TL0=0x00;
  104. TH1=0x4C;//        50ms
  105. TL1=0x00;
  106. }
  107. void Time0_Int() interrupt 1
  108. {
  109. TH0=0xDC;
  110. TL0=0x00;
  111. COUNT_1++;
  112. }
  113. void Time1_Int() interrupt 3
  114. {
  115. TH1=0x4C;//        1ms
  116. TL1=0x00;
  117. count++;
  118. if(count==20)
  119. {
  120. yimiao++;
  121. count=0;
  122. writ_595(table[yimiao%10]);
  123. writ_595(table[yimiao/10]);
  124. writ_595(table[m+1]);
  125. }
  126. }
  127. void Play_Song(uchar i)
  128. {
  129. uchar Temp1,Temp2;//stop=0
  130. uint Addr;
  131. COUNT_1 = 0; //中斷計數器清0
  132. if(i==0)
  133. {
  134. Addr=Table_1[--shu];
  135. }
  136. if(i==1)
  137. {
  138. Addr=Table_1[shu];
  139. }
  140. if(i==2)
  141. {
  142. Addr=Table_1[++shu];
  143. }
  144. while(1)
  145. {
  146. Temp1 = SONG[Addr++];
  147. if ( Temp1 == 0xFF ) //休止符
  148. {
  149. TR0 = 0;
  150. Delay_xMs(100);
  151. }
  152. else if ( Temp1 == 0x00 ) //歌曲結束符
  153. {
  154. return;
  155. //        stop=1;
  156. }
  157. else
  158. {
  159. Temp2 = SONG[Addr++];
  160. TR0 = 1;
  161. while(1)
  162. {
  163. Speak = ~Speak;
  164. //十位
  165. Delay_xMs(Temp1);
  166. //各位
  167. while(stop_flage)
  168. {
  169. if(S2==0)
  170. {
  171. Delay_xMs(200);
  172. if(S2==0)
  173. {
  174. stop_flage=0;
  175. TR1=1;
  176. while(S2==0);
  177. }
  178. }
  179. }
  180. if(S2==0)//暫停
  181. {
  182. Delay_xMs(200);
  183. if(S2==0)
  184. {
  185. stop_flage=1;
  186. TR1=0;
  187. while(S2==0);
  188. }
  189. }

  191. if(S3==0)//上一首
  192. {
  193. Delay_xMs(200);
  194. if(S3==0)
  195. {
  196. TR1=0;
  197. Delay_xMs(250);
  198. TR1=1;
  199. m--;
  200. //        m=0;
  201. if(m<=0)
  202. {
  203. m=0;
  204. //        while(Key3==0);
  205. }
  206. yimiao=0;
  207. Addr=Table_1[--shu];
  208. while(S3==0);
  209. }
  210. }
  211. if(S4==0)//下一首
  212. {
  213. Delay_xMs(200);
  214. if(S4==0)
  215. {
  216. m++;
  217. TR1=0;
  218. Delay_xMs(250);
  219. TR1=1;
  220. //        m=2;
  221. if(m>2)
  222. {
  223. m=2;
  224. while(S4==0);
  225. }
  226. yimiao=0;
  227. Addr=Table_1[++shu];
  228. while(S4==0);
  229. }
  230. }
  231. if ( Temp2 == COUNT_1 )
  232. {
  233. COUNT_1 = 0;
  234. break;
  235. }
  236. }
  237. }
  238. }
  239. }
  240. main()
  241. {
  242. Time0_Init();
  243. while(1)
  244. {
  245. if(S1==0)//播放        2
  246. {
  247. Delay_xMs(200);
  248. if(S1==0)
  249. {
  250. TR1=1;
  251. Play_Song(m);
  252. TR1=0;
  253. if(S4==0||S3==0)
  254. {
  255. break;
  256. }
  257. }
  258. }
  259. if(S3==0)//上一首
  260. {
  261. Delay_xMs(200);
  262. if(S3==0)
  263. {
  264. m--;
  265. Delay_xMs(6500);
  266. yimiao=0;
  267. TR1=1;
  268. Play_Song(m);
  269. TR1=0;
  270. }
  271. }
  272. if(S4==0)//下一首
  273. {
  274. Delay_xMs(20);
  275. if(S4==0)
  276. {
  277. m++;
  278. yimiao=0;
  279. TR1=1;
  280. Play_Song(m);
  281. TR1=0;
  282. if(S3==0)
  283. {
  284. break;
  285. }
  286. }
  287. }
  288. }
  289. }
  290. 這是在網上抄的代碼，我想換另外三首，但是數組里的數怎么來的我真的看不懂。
  291. 后面的代碼是我用音樂轉化器得到的代碼，每一首都是分開的
  292. #include <REG51.H>
  293. #define uchar unsigned char
  294. sbit beepIO=P3^6;
  295. uchar m,n;
  296. uchar code T[49][2]={{0,0},
  297. {0xF8,0x8B},{0xF8,0xF2},{0xF9,0x5B},{0xF9,0xB7},{0xFA,0x14},{0xFA,0x66},{0xFA,0xB9},{0xFB,0x03},{0xFB,0x4A},{0xFB,0x8F},{0xFB,0xCF},{0xFC,0x0B},
  298. {0xFC,0x43},{0xFC,0x78},{0xFC,0xAB},{0xFC,0xDB},{0xFD,0x08},{0xFD,0x33},{0xFD,0x5B},{0xFD,0x81},{0xFD,0xA5},{0xFD,0xC7},{0xFD,0xE7},{0xFE,0x05},
  299. {0xFE,0x21},{0xFE,0x3C},{0xFE,0x55},{0xFE,0x6D},{0xFE,0x84},{0xFE,0x99},{0xFE,0xAD},{0xFE,0xC0},{0xFE,0x02},{0xFE,0xE3},{0xFE,0xF3},{0xFF,0x02},
  300. {0xFF,0x10},{0xFF,0x1D},{0xFF,0x2A},{0xFF,0x36},{0xFF,0x42},{0xFF,0x4C},{0xFF,0x56},{0xFF,0x60},{0xFF,0x69},{0xFF,0x71},{0xFF,0x79},{0xFF,0x81}
  301. };
  302. uchar code music[][2]={{0,4},
  303. {12,8},{8,4},{8,4},{13,8},{15,4},{15,4},{17,4},{15,2},{17,2},{17,24},{0,8},{8,4},{8,4},{13,8},{15,4},{15,4},{17,4},{13,2},{15,2},{15,24},{0,8},{8,4},{8,4},{13,8},{15,4},{15,4},{17,4},{15,2},{17,2},{17,16},{13,4},{17,4},{15,24},{15,4},{13,4},{13,8},{13,4},{15,4},{15,16},{0,8},{8,4},{8,4},{13,8},{15,4},{15,4},{20,4},{15,2},{17,2},{17,24},{0,8},{8,4},{8,4},{13,4},{13,4},{15,4},{15,4},{17,4},{15,4},{15,24},{0,8},{8,4},{8,4},{13,8},{15,4},{15,4},{17,4},{15,2},{17,2},{17,16},{13,4},{17,4},{15,24},{15,4},{13,4},{13,4},{15,4},{15,24},{15,24},{0,8},{13,4},{8,4},{13,4},{15,4},{15,4},{15,4},{15,4},{20,4},{13,4},{13,4},{13,4},{17,4},{17,16},{10,4},{6,4},{6,4},{13,4},{12,4},{12,4},{10,4},{12,4},{13,4},{13,4},{13,4},{13,2},{15,2},{15,16},{17,4},{17,4},{17,4},{17,4},{15,4},{15,4},{15,4},{20,4},{22,4},{22,4},{22,4},{20,4},{17,16},{18,4},{18,4},{18,4},{22,4},{22,4},{20,4},{20,4},{20,4},{13,4},{13,4},{13,4},{15,4},{13,16},
  304. {0xFF,0xFF}};

  306. void delay(uchar p)
  307. {
  308.     uchar i,j;
  309.     for(;p>0;p--)
  310.     for(i=181;i>0;i--)
  311.     for(j=181;j>0;j--);
  312. }

  314. void pause()
  315. {
  316.     uchar i,j;
  317.     for(i=150;i>0;i--)
  318.     for(j=150;j>0;j--);
  319. }

  321. void T0_int() interrupt 1
  322. {
  323. beepIO=!beepIO;
  324. TH0=T[m][0]; TL0=T[m][1];
  325. }

  327. void main()
  328. {
  329. uchar i=0;
  330. TMOD=0x01;  EA=1; ET0=1;
  331. while(1)
  332.       {
  333.         m=music[i][0];n=music[i][1];
  334.            if(m==0x00)
  335.              {TR0=0;delay(n);i++;}
  336.            else if(m==0xFF)
  337.              {TR0=0;delay(30);i=0;}
  338.            else if(m==music[i+1][0])
  339.              {TR0=1;delay(n);TR0=0;pause();i++;}
  340.            else
  341.              {TR0=1;delay(n);i++;}
  342.       }
  343. }
復制代碼
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ID:328014 發表于 2019-3-31 02:30 | 只看該作者
其實那些數組都是頻率表
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