标题: 有没有大神解释一下单片机音乐代码 求帮助 [打印本页]

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作者: 1244895028    时间: 2019-3-29 23:03
标题: 有没有大神解释一下单片机音乐代码 求帮助

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;//蜂鸣器
    
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[] ={ //路边的野花不要采
    
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; //串行数据输出
    
90. else
    
91. DS = 0;
    
92. CLK=1; //移位输入时钟，上升沿输入
    
93. dat<<=1;
    
94. }
    
95. RCK=0; //并行输出时钟
    
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; //中断计数器清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 ) //歌曲结束符
     
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)//暂停
     
181. {
     
182. Delay_xMs(200);
     
183. if(S2==0)
     
184. {
     
185. stop_flage=1;
     
186. TR1=0;
     
187. while(S2==0);
     
188. }
     
189. }
     
190. 
     
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. 这是在网上抄的代码，我想换另外三首，但是数组里的数怎么来的我真的看不懂。
     
291. 后面的代码是我用音乐转化器得到的代码，每一首都是分开的
     
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}};
     
305. 
     
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. }
     
313. 
     
314. void pause()
     
315. {
     
316.     uchar i,j;
     
317.     for(i=150;i>0;i--)
     
318.     for(j=150;j>0;j--);
     
319. }
     
320. 
     
321. void T0_int() interrupt 1
     
322. {
     
323. beepIO=!beepIO;
     
324. TH0=T[m][0]; TL0=T[m][1];
     
325. }
     
326. 
     
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. }
     

复制代码

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作者: 51hei团团    时间: 2019-3-31 02:30
其实那些数组都是频率表

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