标题: 单片机AD0808双通道，显示结果出了点问题 [打印本页]

---

作者: wlqqc123    时间: 2019-5-2 21:41
标题: 单片机AD0808双通道，显示结果出了点问题
AD0808输入两条波形，想要对第二条波形提取峰值，并且显示在12864上，程序中是显示第二通道的数据，可是仿真结果却有问题，希望能帮忙看一下

单片机源程序如下:

1. #include<reg52.h>
   
2. #define uchar  unsigned char
   
3. #define unit  unsigned int
   
4. #define LCD_databus P0
   
5. #define data P1
   
6. uchar code table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f} ;
   
7. uchar code table1[]={0xbf,0x86,0xdb,0xcf,0xe6,0xed,0xfd,0x87,0xff,0xdf} ;
   
8. unsigned char dat[]="0000";
   
9. unsigned int AD_value[2],rec[20][2];
   
10. unsigned char adc,res,min,xiudai,i,max,n;
    
11. unsigned int om,od,dt,RP,MP,tmp;
    
12. sbit EN=P2^0;
    
13. sbit RW=P2^1;
    
14. sbit RS=P2^2;
    
15. sbit CS2=P2^3;
    
16. sbit CS1=P2^4;
    
17. sbit ST=P3^0;
    
18. sbit A=P3^7;
    
19. sbit OE=P3^1;
    
20. sbit EOC=P3^2;
    
21. sbit CLK=P3^3;
    
22. sbit IN1=P2^5;
    
23. sbit IN2=P2^6;
    
24. sbit PWM=P2^7;
    
25. sbit Key1=P3^4;
    
26. sbit Key2=P3^5;
    
27. sbit beef=P3^6;
    
28. uchar code Hzk[]={  
    
29. /*--  文字:  舒  --*/
    
30. /*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
    
31. 0x10,0x28,0x24,0xE3,0x24,0x28,0x50,0x42,0x42,0x4A,0xD2,0x6A,0x46,0x40,0xC0,0x00,
    
32. 0x01,0xF9,0x49,0x4F,0x49,0xF9,0x01,0x00,0x40,0x80,0x7F,0x00,0x00,0x01,0x00,0x00,
    
33. 
    
34. /*--  文字:  张  --*/
    
35. /*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
    
36. 0x02,0xE2,0x22,0x22,0x3E,0x80,0x80,0xFF,0x80,0xA0,0x90,0x88,0x86,0x80,0x80,0x00,
    
37. 0x00,0x43,0x82,0x42,0x3E,0x00,0x00,0xFF,0x40,0x21,0x06,0x08,0x10,0x20,0x40,0x00,
    
38. 
    
39. /*--  文字:  压  --*/
    
40. /*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
    
41. 0x00,0x00,0xFE,0x02,0x82,0x82,0x82,0x82,0xFA,0x82,0x82,0x82,0x82,0x82,0x02,0x00,
    
42. 0x80,0x60,0x1F,0x40,0x40,0x40,0x40,0x40,0x7F,0x40,0x40,0x44,0x58,0x40,0x40,0x00,
    
43. 
    
44. /*--  文字:  收  --*/
    
45. /*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
    
46. 0x00,0xFC,0x00,0x00,0xFF,0x00,0x40,0x20,0xD8,0x17,0x10,0x10,0xF0,0x10,0x10,0x00,
    
47. 0x00,0x0F,0x04,0x02,0xFF,0x00,0x80,0x40,0x21,0x16,0x08,0x16,0x21,0x40,0x80,0x00,
    
48. 
    
49. /*--  文字:  缩  --*/
    
50. /*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
    
51. 0x20,0x38,0xE7,0x30,0x00,0x8C,0xC4,0x34,0x24,0x25,0xA6,0x64,0x24,0x24,0x2C,0x00,
    
52. 0x22,0x27,0x12,0x12,0x01,0x00,0xFF,0x00,0x00,0xFF,0x49,0x49,0x49,0xFF,0x00,0x00,
    
53. 
    
54. /*--  文字:  ：  --*/
    
55. /*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
    
56. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
    
57. 0x00,0x00,0x36,0x36,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
    
58. 
    
59. /*--  文字:  mm  --*/
    
60. /*--  宋体12;  此字体下对应的点阵为：宽x高=8x16   --*/
    
61. 0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x00,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x00,
    
62. 0x20,0x3F,0x20,0x00,0x3F,0x20,0x00,0x3F,0x20,0x3F,0x20,0x00,0x3F,0x20,0x00,0x3F,
    
63. 
    
64. /*--  文字:  H  --*/
    
65. /*--  宋体12;  此字体下对应的点阵为：宽x高=8x16   --*/
    
66. 0x08,0xF8,0x08,0x00,0x00,0x08,0xF8,0x08,0x00,0x00,0x80,0x80,0x80,0x80,0x80,0x00,
    
67. 0x20,0x3F,0x21,0x01,0x01,0x21,0x3F,0x20,0x00,0x6B,0x94,0x94,0x94,0x93,0x60,0x00,
    
68. 
    
69. };
    
70. uchar code Ezk[]={
    
71. 
    
72. 
    
73. 
    
74. 
    
75. 
    
76. /*--  文字:  0  --*/
    
77. /*--  宋体12;  此字体下对应的点阵为：宽x高=8x16   --*/
    
78. 0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,0x00,0x0F,0x10,0x20,0x20,0x10,0x0F,0x00,
    
79. 
    
80. /*--  文字:  1  --*/
    
81. /*--  宋体12;  此字体下对应的点阵为：宽x高=8x16   --*/
    
82. 0x00,0x10,0x10,0xF8,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,
    
83. 
    
84. /*--  文字:  2  --*/
    
85. /*--  宋体12;  此字体下对应的点阵为：宽x高=8x16   --*/
    
86. 0x00,0x70,0x08,0x08,0x08,0x88,0x70,0x00,0x00,0x30,0x28,0x24,0x22,0x21,0x30,0x00,
    
87. 
    
88. /*--  文字:  3  --*/
    
89. /*--  宋体12;  此字体下对应的点阵为：宽x高=8x16   --*/
    
90. 0x00,0x30,0x08,0x88,0x88,0x48,0x30,0x00,0x00,0x18,0x20,0x20,0x20,0x11,0x0E,0x00,
    
91. 
    
92. /*--  文字:  4  --*/
    
93. /*--  宋体12;  此字体下对应的点阵为：宽x高=8x16   --*/
    
94. 0x00,0x00,0xC0,0x20,0x10,0xF8,0x00,0x00,0x00,0x07,0x04,0x24,0x24,0x3F,0x24,0x00,
    
95. 
    
96. /*--  文字:  5  --*/
    
97. /*--  宋体12;  此字体下对应的点阵为：宽x高=8x16   --*/
    
98. 0x00,0xF8,0x08,0x88,0x88,0x08,0x08,0x00,0x00,0x19,0x21,0x20,0x20,0x11,0x0E,0x00,
    
99. 
    
100. /*--  文字:  6  --*/
     
101. /*--  宋体12;  此字体下对应的点阵为：宽x高=8x16   --*/
     
102. 0x00,0xE0,0x10,0x88,0x88,0x18,0x00,0x00,0x00,0x0F,0x11,0x20,0x20,0x11,0x0E,0x00,
     
103. 
     
104. /*--  文字:  7  --*/
     
105. /*--  宋体12;  此字体下对应的点阵为：宽x高=8x16   --*/
     
106. 0x00,0x38,0x08,0x08,0xC8,0x38,0x08,0x00,0x00,0x00,0x00,0x3F,0x00,0x00,0x00,0x00,
     
107. 
     
108. /*--  文字:  8  --*/
     
109. /*--  宋体12;  此字体下对应的点阵为：宽x高=8x16   --*/
     
110. 0x00,0x70,0x88,0x08,0x08,0x88,0x70,0x00,0x00,0x1C,0x22,0x21,0x21,0x22,0x1C,0x00,
     
111. 
     
112. /*--  文字:  9  --*/
     
113. /*--  宋体12;  此字体下对应的点阵为：宽x高=8x16   --*/
     
114. 0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,0x00,0x00,0x31,0x22,0x22,0x11,0x0F,0x00,
     
115. };
     
116. void delay1ms(uchar t)  
     
117. {
     
118.     uchar a,b;
     
119.     for(b=t;b>0;b--)
     
120.        {
     
121.             for(a=110;a>0;a--);
     
122.         }          
     
123. }
     
124. void Positive_dianji()
     
125. {
     
126.     IN1 = 0;
     
127.         IN2 = 1;
     
128. }
     
129. void Reverse_dianji()
     
130. {
     
131.     IN1 = 1;
     
132.         IN2 = 0;
     
133. }
     
134. void Stop_dianji()
     
135. {
     
136.         IN1 = 1;
     
137.         IN2 = 1;
     
138. }
     
139. void Key_Scan()
     
140. {
     
141.         if(Key1 == 0)
     
142.         {
     
143.            delay1ms(10);
     
144.            if(Key1 == 0)
     
145.            {
     
146.                      Positive_dianji();
     
147.            }
     
148.         }
     
149. }
     
150. void Read_busy()
     
151. {
     
152.         uchar dat;//状态信息（判断是否忙）
     
153.         RS=0; // 数据\指令选择，D/I（RS）=“L” ，表示 DB7∽DB0 为显示指令数据
     
154.         RW=1; //R/W=“H” ，E=“H”数据被读到DB7∽DB0
     
155.         do{
     
156.         LCD_databus=0x00;
     
157.     EN=1;        //EN下降沿
     
158.         dat=LCD_databus;
     
159.     EN=0;
     
160.     dat=0x80 & dat; //仅当第7位为0时才可操作(判别busy信号)
     
161.     }while(!(dat==0x00));
     
162. }
     
163. void write_LCD_command(uchar value)
     
164. {
     
165.         Read_busy();
     
166.         RS=0;
     
167.         RW=0;
     
168.         LCD_databus=value;
     
169.         EN=1;
     
170.         delay1ms(1);
     
171.         EN=0;
     
172. }
     
173. void write_LCD_data(uchar value)
     
174. {
     
175.         Read_busy();
     
176.         RS=1;
     
177.         RW=0;
     
178.         LCD_databus=value;
     
179.         EN=1;
     
180.         delay1ms(1);
     
181.         EN=0;
     
182. }
     
183. void Set_page(uchar page)       
     
184. {
     
185.         page=0xb8|page;
     
186.         write_LCD_command(page);
     
187. }
     
188. void Set_line(uchar startline)
     
189. {
     
190.         startline=0xc0|startline;
     
191.         write_LCD_command(startline);       
     
192. }
     
193. void Set_lie(uchar lie)
     
194. {
     
195.         lie=lie&0x3f;
     
196.         lie=0x40|lie;
     
197.         write_LCD_command(lie);
     
198. }
     
199. void Setonoff(uchar onoff)
     
200. {
     
201.         onoff=0x3e|onoff;
     
202.         write_LCD_command(onoff);
     
203. }
     
204. void SelectScreen(uchar screen)
     
205. {
     
206.         switch(screen)
     
207.         {
     
208.                 case 0:CS1=0;CS2=0 ;break;
     
209.                 case 1:CS1=0;CS2=1 ;break;
     
210.                 case 2:CS1=1;CS2=0 ;break;
     
211.                 default: break;
     
212.         }
     
213. }
     
214. void ClearScreen(uchar screen)
     
215. {
     
216.         uchar i,j;
     
217.         SelectScreen(screen);
     
218.         for(i=0;i<8;i++)
     
219.         {
     
220.           Set_page(i);
     
221.           Set_lie(0);
     
222.            for(j=0;j<64;j++)
     
223.            {
     
224.                 write_LCD_data(0x00);          
     
225.            }
     
226.         }
     
227. }
     
228. void Display(uchar ss,uchar page,uchar lie,uchar number)  /*显示全角汉字*/
     
229. {
     
230. int i;        //选屏参数，page选页参数，column选列参数，number选第几汉字输出
     
231. SelectScreen(ss);
     
232. lie=lie&0x3f;
     
233. Set_page(page);        //写上半页
     
234. Set_lie(lie); //控制列
     
235. for(i=0;i<16;i++)  //控制16列的数据输出
     
236. {write_LCD_data(Hzk[i+32*number]);} //i+32*number汉字的前16个数据输出
     
237. Set_page(page+1);                 //写下半页
     
238. Set_lie(lie);           //控制列
     
239. for(i=0;i<16;i++)          //控制16列的数据输出
     
240. {write_LCD_data(Hzk[i+32*number+16]);}//i+32*number+16汉字的后16个数据输出
     
241. }
     
242. void Displayen(uchar ss,uchar page,uchar lie,uchar number)/*显示半角汉字和数字和字母*/
     
243. {int i;//选屏参数，pagr选页参数，column选列参数，number选第几汉字输出
     
244. SelectScreen(ss);
     
245. lie=lie&0x3f;
     
246. Set_page(page);        //写上半页
     
247. Set_lie(lie);
     
248. for(i=0;i<8;i++)
     
249. {write_LCD_data(Ezk[i+16*number]);}
     
250. Set_page(page+1);        //写下半页
     
251. Set_lie(lie);
     
252. for(i=0;i<8;i++)
     
253. {write_LCD_data(Ezk[i+16*number+8]);}
     
254. }
     
255. 
     
256. void InitLCD()
     
257. {
     
258.         Read_busy();
     
259.         SelectScreen(0);
     
260.         Setonoff(0);
     
261.            SelectScreen(0);
     
262.         Setonoff(1);
     
263.         SelectScreen(0);
     
264.         ClearScreen(0);
     
265.         Set_line(0);
     
266. }
     
267. void InitDingshi()
     
268. {
     
269. 
     
270. TMOD=0x01;
     
271. TH0=(65536-150)/256;
     
272. TL0=(65536-150)%256;
     
273. ET0=1;
     
274. TR0=1;
     
275. EA=1;
     
276. }
     
277. void Xianshi()
     
278. {
     
279. adc=max;//maibo  
     
280. tmp=adc*1.96;
     
281. om=tmp*0.8;
     
282. od=tmp*0.5;
     
283. dat[4]=om%10;
     
284. om=om/10;                       
     
285. dat[5]=om%10;
     
286. om=om/10;
     
287. dat[6]=om%10;
     
288. dat[7]=om/10;
     
289. dat[0]=od%10;                       
     
290. dat[1]=od/10%10;
     
291. dat[2]=od/100%10;
     
292. dat[3]=od/1000;
     
293. Display(1,2,0,0);
     
294. Display(1,2,16,1);
     
295. Display(1,2,32,2);
     
296. Display(1,2,48,5);
     
297. Display(1,4,0,3);
     
298. Display(1,4,16,4);
     
299. Display(1,4,32,2);
     
300. Display(1,4,48,5);
     
301. Display(2,4,32,6);
     
302. Display(2,4,48,7);
     
303. Display(2,2,32,6);
     
304. Display(2,2,48,7);
     
305. Displayen(2,2,24,dat[4]);
     
306. Displayen(2,2,16,dat[5]);
     
307. Displayen(2,2,8,dat[6]);
     
308. Displayen(2,4,24,dat[0]);
     
309. Displayen(2,4,16,dat[1]);
     
310. Displayen(2,4,8,dat[2]);
     
311. }
     
312. void tiqufengzhi()
     
313. {
     
314. if(max<AD_value[1])
     
315.    max=AD_value[1];
     
316.    rec[1][1]=max;
     
317. 
     
318. }
     
319. 
     
320. void main()
     
321. {
     
322. InitLCD();
     
323. InitDingshi();
     
324. while(1)
     
325. {
     
326. Key_Scan();
     
327. ST=0;
     
328. ST=1;
     
329. ST=0;//启动转换
     
330. while(EOC==0);    //等待转换结果      
     
331. OE=1;   //允许输出
     
332. res=P1;
     
333. OE=0;
     
334. if(A==0)
     
335. {
     
336.   AD_value[0]=res;
     
337. if(AD_value[0]>180)
     
338. {
     
339.   Reverse_dianji();
     
340. }
     
341. }
     
342. if(A==1)
     
343. {
     
344. AD_value[1]=res;
     
345. }
     
346. A=!A;
     
347. tiqufengzhi();
     
348. Xianshi();
     
349. }               
     
350. 
     
351. }
     
352. void Timer0() interrupt 1
     
353. {
     
354. TH0=(65536-150)/256;
     
355. TL0=(65536-150)%256;
     
356. CLK =~CLK;//ADC0809时钟信号
     
357. PWM =~PWM;
     
358. }
     

复制代码

全部资料51hei下载地址：
原理图选ad.zip (277.14 KB, 下载次数: 6)

2019-5-2 21:41 上传

点击文件名下载附件
原理图选ad0809的

---

作者: wlqqc123    时间: 2019-5-2 21:47
还想请教一个问题，就是怎么在记录2通道出现波峰的同时，记录1通道的电压值，将他们作为一组数据保存起来

---

欢迎光临 (http://www.51hei.com/bbs/)

Powered by Discuz! X3.1