51单片机制作MP3 电路图 源代码

下面是MP3的电路图，有单片机部分的图和电源部分的电路



这是压缩包文件 包含源代码2种格式的电路图：
下载地址： 51单片机作MP3.zip (1.23 MB, 下载次数: 76)

2016-4-16 20:31 上传

点击文件名下载附件
下载积分: 黑币 -5

源码预览scheduler.c ：

1. /*C**************************************************************************
   
2. * NAME:         scheduler.c
   
3. *----------------------------------------------------------------------------
   
4. * Copyright (c) 2003 Atmel.
   
5. *----------------------------------------------------------------------------
   
6. * RELEASE:      snd1c-refd-nf-4_0_3      
   
7. * REVISION:     1.8     
   
8. *----------------------------------------------------------------------------
   
9. * PURPOSE:
   
10. * This file contains the scheduler routines
    
11. *
    
12. * NOTES:
    
13. * Configuration:
    
14. *   - SCH_TYPE in scheduler.h header file
    
15. *   - SCH_TIMER in scheduler.h header file
    
16. * Global Variables:
    
17. *   - gl_cpt_tick: byte in data space
    
18. *   - gl_kbd_tick: byte in data space
    
19. *   - gl_mem_tick: byte in data space
    
20. *
    
21. *****************************************************************************/
    
22. 
    
23. /*_____ I N C L U D E S ____________________________________________________*/
    
24. 
    
25. #include "config.h"                         /* system definition */
    
26. #include "lib_mcu\timer\timer_drv.h"        /* timer definition */
    
27. #include "scheduler.h"                      /* scheduler definition */
    
28. 
    
29. 
    
30. /*_____ M A C R O S ________________________________________________________*/
    
31. 
    
32. 
    
33. /*_____ D E F I N I T I O N ________________________________________________*/
    
34. 
    
35. extern  data    Byte    gl_cpt_tick;        /* general tick counter */
    
36. extern  data    Byte    gl_kbd_tick;        /* keypad tick counter */
    
37. extern  data    Byte    gl_mem_tick;        /* memory tick counter */
    
38. extern  data    Byte    gl_led_tick;        /* led tick counter */
    
39. extern  idata   Uint16  gl_act_tick;        /* led tick counter */
    
40. 
    
41. #if (SCH_TYPE != SCH_FREE)
    
42.   bit   sch_tick_flag;
    
43. #endif
    
44. 
    
45. 
    
46. /*_____ D E C L A R A T I O N ______________________________________________*/
    
47. 
    
48. static  void sch_time_init (void);
    
49. 
    
50. 
    
51. /*F**************************************************************************
    
52. * NAME:     sch_scheduler_init
    
53. *----------------------------------------------------------------------------
    
54. * PARAMS:
    
55. *
    
56. * return:
    
57. *----------------------------------------------------------------------------
    
58. * PURPOSE:
    
59. *   Scheduler initialization
    
60. *----------------------------------------------------------------------------
    
61. * EXAMPLE:
    
62. *----------------------------------------------------------------------------
    
63. * NOTE:
    
64. *   Task_x_init() and Task_x_fct() are defined in scheduler.h
    
65. *----------------------------------------------------------------------------
    
66. * REQUIREMENTS:
    
67. *****************************************************************************/
    
68. void sch_scheduler_init (void)
    
69. {
    
70.   Task_1_init();  
    
71.   Task_2_init();  
    
72.   Task_3_init();  
    
73.   Task_4_init();  
    
74.   Task_5_init();  
    
75.   Task_6_init();  
    
76.   Task_7_init();  
    
77.   Task_8_init();  
    
78.   Task_9_init();  
    
79.   Task_10_init();
    
80. #if (SCH_TYPE != SCH_FREE)
    
81.   sch_tick_flag = FALSE;
    
82. #endif
    
83.   sch_time_init();                /* start time base */
    
84. }
    
85. 
    
86. 
    
87. /*F**************************************************************************
    
88. * NAME:     sch_scheduler
    
89. *----------------------------------------------------------------------------
    
90. * PARAMS:
    
91. *
    
92. * return:
    
93. *----------------------------------------------------------------------------
    
94. * PURPOSE:
    
95. *   Task execution scheduler
    
96. *----------------------------------------------------------------------------
    
97. * EXAMPLE:
    
98. *----------------------------------------------------------------------------
    
99. * NOTE:
    
100. *----------------------------------------------------------------------------
     
101. * REQUIREMENTS:
     
102. *****************************************************************************/
     
103. void sch_scheduler (void)
     
104. {
     
105.   while (1)
     
106.   {
     
107.     Task_1_fct();
     
108.     Sch_call_next_task();
     
109. 
     
110.     Task_2_fct();
     
111.     Sch_call_next_task();
     
112. 
     
113.     Task_3_fct();
     
114.     Sch_call_next_task();
     
115.   
     
116.     Task_4_fct();
     
117.     Sch_call_next_task();
     
118.   
     
119.     Task_5_fct();
     
120.     Sch_call_next_task();
     
121.   
     
122.     Task_6_fct();
     
123.     Sch_call_next_task();
     
124.   
     
125.     Task_7_fct();
     
126.     Sch_call_next_task();
     
127.   
     
128.     Task_8_fct();
     
129.     Sch_call_next_task();
     
130.   
     
131.     Task_9_fct();
     
132.     Sch_call_next_task();
     
133.   
     
134.     Task_10_fct();
     
135.     Sch_call_next_task();
     
136. 
     
137.     Sch_new_schedule();
     
138.   }
     
139. }
     
140. 
     
141. 
     
142. /*F**************************************************************************
     
143. * NAME:    sch_default_fct
     
144. *----------------------------------------------------------------------------
     
145. * PARAMS:
     
146. *
     
147. * return:
     
148. *----------------------------------------------------------------------------
     
149. * PURPOSE:
     
150. *   This function does nothing
     
151. *----------------------------------------------------------------------------
     
152. * EXAMPLE:
     
153. *----------------------------------------------------------------------------
     
154. * NOTE:
     
155. *----------------------------------------------------------------------------
     
156. * REQUIREMENTS:
     
157. *****************************************************************************/
     
158. void sch_default_fct (void)
     
159. {
     
160. }
     
161. 
     
162. 
     
163. #if (SCH_TIMER == SCH_TIMER0)
     
164. /*F**************************************************************************
     
165. * NAME:     sch_time_init
     
166. *----------------------------------------------------------------------------
     
167. * PARAMS:
     
168. *
     
169. * return:
     
170. *----------------------------------------------------------------------------
     
171. * PURPOSE:
     
172. *   Scheduler time base (timer 0) initialization
     
173. *----------------------------------------------------------------------------
     
174. * EXAMPLE:
     
175. *----------------------------------------------------------------------------
     
176. * NOTE:
     
177. *   mode 16-bit Timer, Time counter
     
178. *   T0_PRIO to be defined in config.h
     
179. *   TIM_LOW & TIM_HIGH defined in scheduler.h
     
180. *----------------------------------------------------------------------------
     
181. * REQUIREMENTS:
     
182. *****************************************************************************/
     
183. void sch_time_init (void)
     
184. {
     
185.   T0_init(T0_NOT_GATED, T0_TIMER, T0_MODE_1);
     
186.   TL0 = TIM_LOW;
     
187.   TH0 = TIM_HIGH;
     
188.   t0_set_prio(T0_PRIO);         /* set-up priority */
     
189.   T0_enable_int();              /* enable interrupt */
     
190.   T0_start();                   /* start time base */
     
191. }
     
192. 
     
193. /*F**************************************************************************
     
194. * NAME:     sch_timer_int
     
195. *----------------------------------------------------------------------------
     
196. * PARAMS:
     
197. *
     
198. * return:
     
199. *----------------------------------------------------------------------------
     
200. * PURPOSE:
     
201. *   Timer 0 interrupt function
     
202. *----------------------------------------------------------------------------
     
203. * EXAMPLE:
     
204. *----------------------------------------------------------------------------
     
205. * NOTE:
     
206. *   IRQ_T0 defined in extsnd1.h
     
207. *----------------------------------------------------------------------------
     
208. * REQUIREMENTS:
     
209. ******************************************************************************/
     
210. Interrupt (sch_timer_int(void), IRQ_T0)
     
211. {
     
212. //  T0_stop();                    /* stop timer */
     
213.   TL0 = TIM_LOW;                /* reload timer */
     
214.   TH0 = TIM_HIGH;
     
215. //  T0_start();                   /* restart timer */
     
216. 
     
217. #if (SCH_TYPE != SCH_FREE)
     
218.   sch_tick_flag = TRUE;
     
219. #endif
     
220.   /* increment task tick counters */
     
221.   gl_cpt_tick++;                /* general timer */
     
222.   gl_kbd_tick++;                /* keyboard timer */
     
223.   gl_mem_tick++;                /* memory timer */
     
224.   gl_led_tick++;                /* LED timer */
     
225.   gl_act_tick++;                                /* Inactivity TIMER */
     
226. 
     
227. 
     
228. }
     
229. 
     
230. 
     
231. #elif (SCH_TIMER == SCH_TIMER1)
     
232. /*F**************************************************************************
     
233. * NAME:     sch_time_init
     
234. *----------------------------------------------------------------------------
     
235. * PARAMS:
     
236. *
     
237. * return:
     
238. *----------------------------------------------------------------------------
     
239. * PURPOSE:
     
240. *   Scheduler time base (timer 1) initialization
     
241. *----------------------------------------------------------------------------
     
242. * EXAMPLE:
     
243. *----------------------------------------------------------------------------
     
244. * NOTE:
     
245. *   mode 16-bit Timer, Time counter
     
246. *   T1_PRIO to be defined in config.h
     
247. *   TIM_LOW & TIM_HIGH defined in scheduler.h
     
248. *----------------------------------------------------------------------------
     
249. * REQUIREMENTS:
     
250. *****************************************************************************/
     
251. void sch_time_init (void)
     
252. {
     
253.   T1_init(T1_NOT_GATED, T1_TIMER, T1_MODE_1);
     
254.   TL1 = TIM_LOW;
     
255.   TH1 = TIM_HIGH;
     
256.   t1_set_prio(T1_PRIO);         /* set-up priority */
     
257.   T1_enable_int();              /* enable interrupt */
     
258.   T1_start();                   /* start time base */
     
259. }
     
260. 
     
261. /*F**************************************************************************
     
262. * NAME:     sch_timer_int
     
263. *----------------------------------------------------------------------------
     
264. * PARAMS:
     
265. *
     
266. * return:
     
267. *----------------------------------------------------------------------------
     
268. * PURPOSE:
     
269. *   Timer 1 interrupt function
     
270. *----------------------------------------------------------------------------
     
271. * EXAMPLE:
     
272. *----------------------------------------------------------------------------
     
273. * NOTE:
     
274. *   IRQ_T1 defined in extsnd1.h
     
275. *----------------------------------------------------------------------------
     
276. * REQUIREMENTS:
     
277. *****************************************************************************/
     
278. Interrupt (sch_timer_int(void), IRQ_T1)
     
279. {
     
280. //  T1_stop();                    /* stop timer */
     
281.   TL1 = TIM_LOW;                /* reload timer */
     
282.   TH1 = TIM_HIGH;
     
283. //  T1_start();                   /* restart timer */
     
284. 
     
285. #if (SCH_TYPE != SCH_FREE)
     
286.   sch_tick_flag = TRUE;
     
287. #endif
     
288. 
     
289.   gl_cpt_tick++;
     
290. }
     
291. 
     
292. 
     
293. #elif (SCH_TIMER == SCH_TIMER2)
     
294. /*F**************************************************************************
     
295. * NAME:     sch_time_init
     
296. *----------------------------------------------------------------------------
     
297. * PARAMS:
     
298. *
     
299. * return:
     
300. *----------------------------------------------------------------------------
     
301. * PURPOSE:
     
302. *   Scheduler time base (timer 2) initialization
     
303. *----------------------------------------------------------------------------
     
304. * EXAMPLE:
     
305. *----------------------------------------------------------------------------
     
306. * NOTE:
     
307. *   mode 16-bit auto-reload
     
308. *   T2_PRIO to be defined in config.h
     
309. *   TIM_LOW & TIM_HIGH defined in scheduler.h
     
310. *----------------------------------------------------------------------------
     
311. * REQUIREMENTS:
     
312. *****************************************************************************/
     
313. void sch_time_init (void)
     
314. {
     
315.   T2_init(T2_AUTO_RELOAD, T2_TIMER, T2_NOT_GATED);
     
316.   RCAP2L = TIM_LOW;
     
317.   RCAP2H = TIM_HIGH;
     
318.   t2_set_prio(T2_PRIO);         /* set-up priority */
     
319.   T2_enable_int();              /* enable interrupt */
     
320.   T2_start();                   /* start time base */
     
321. }
     
322. 
     
323. /*F**************************************************************************
     
324. * NAME:     sch_timer_int
     
325. *----------------------------------------------------------------------------
     
326. * PARAMS:
     
327. *
     
328. * return:
     
329. *----------------------------------------------------------------------------
     
330. * PURPOSE:
     
331. *   Timer 2 interrupt function
     
332. *----------------------------------------------------------------------------
     
333. * EXAMPLE:
     
334. *----------------------------------------------------------------------------
     
335. * NOTE:
     
336. *   IRQ_T2 defined in extsnd1.h
     
337. *----------------------------------------------------------------------------
     
338. * REQUIREMENTS:
     
339. ******************************************************************************/
     
340. Interrupt (sch_timer_int(void), IRQ_T2)
     
341. {
     
342.   TF2 = 0;                      /* ack interrupt */
     
343. 
     
344. #if (SCH_TYPE != SCH_FREE)
     
345.   sch_tick_flag = TRUE;
     
346. #endif
     
347.   gl_cpt_tick++;
     
348. }
     
349. #endif
     

复制代码

支持楼主，厉害

可以给我一份发到邮箱吗  谢谢！！！！
2369562408@qq.com

2369562408 发表于 2017-7-28 20:50
可以给我一份发到邮箱吗  谢谢！！！！

自己下载不行吗

非常强大，支持楼主，顶起

周鹏 发表于 2017-7-29 08:42
自己下载不行吗

他没有黑币了，又不舍得买

有YS-M3语音模块的电路原理图么

想问下，这个支持哪些音频格式的文件，单个文件支持多大的？  几十上百m的CD格式的能行吗？