標(biāo)題: 單片機AD0808雙通道，顯示結(jié)果出了點問題 [打印本頁]
作者: wlqqc123    時間: 2019-5-2 21:41
標(biāo)題: 單片機AD0808雙通道，顯示結(jié)果出了點問題
AD0808輸入兩條波形，想要對第二條波形提取峰值，并且顯示在12864上，程序中是顯示第二通道的數(shù)據(jù)，可是仿真結(jié)果卻有問題，希望能幫忙看一下

單片機源程序如下:
  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. /*--  宋體12;  此字體下對應(yīng)的點陣為：寬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,

  34. /*--  文字:  張  --*/
  35. /*--  宋體12;  此字體下對應(yīng)的點陣為：寬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,

  39. /*--  文字:  壓  --*/
  40. /*--  宋體12;  此字體下對應(yīng)的點陣為：寬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,

  44. /*--  文字:  收  --*/
  45. /*--  宋體12;  此字體下對應(yīng)的點陣為：寬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,

  49. /*--  文字:  縮  --*/
  50. /*--  宋體12;  此字體下對應(yīng)的點陣為：寬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,

  54. /*--  文字:  ：  --*/
  55. /*--  宋體12;  此字體下對應(yīng)的點陣為：寬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,

  59. /*--  文字:  mm  --*/
  60. /*--  宋體12;  此字體下對應(yīng)的點陣為：寬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,

  64. /*--  文字:  H  --*/
  65. /*--  宋體12;  此字體下對應(yīng)的點陣為：寬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,

  69. };
  70. uchar code Ezk[]={





  76. /*--  文字:  0  --*/
  77. /*--  宋體12;  此字體下對應(yīng)的點陣為：寬x高=8x16   --*/
  78. 0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,0x00,0x0F,0x10,0x20,0x20,0x10,0x0F,0x00,

  80. /*--  文字:  1  --*/
  81. /*--  宋體12;  此字體下對應(yīng)的點陣為：寬x高=8x16   --*/
  82. 0x00,0x10,0x10,0xF8,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,

  84. /*--  文字:  2  --*/
  85. /*--  宋體12;  此字體下對應(yīng)的點陣為：寬x高=8x16   --*/
  86. 0x00,0x70,0x08,0x08,0x08,0x88,0x70,0x00,0x00,0x30,0x28,0x24,0x22,0x21,0x30,0x00,

  88. /*--  文字:  3  --*/
  89. /*--  宋體12;  此字體下對應(yīng)的點陣為：寬x高=8x16   --*/
  90. 0x00,0x30,0x08,0x88,0x88,0x48,0x30,0x00,0x00,0x18,0x20,0x20,0x20,0x11,0x0E,0x00,

  92. /*--  文字:  4  --*/
  93. /*--  宋體12;  此字體下對應(yīng)的點陣為：寬x高=8x16   --*/
  94. 0x00,0x00,0xC0,0x20,0x10,0xF8,0x00,0x00,0x00,0x07,0x04,0x24,0x24,0x3F,0x24,0x00,

  96. /*--  文字:  5  --*/
  97. /*--  宋體12;  此字體下對應(yīng)的點陣為：寬x高=8x16   --*/
  98. 0x00,0xF8,0x08,0x88,0x88,0x08,0x08,0x00,0x00,0x19,0x21,0x20,0x20,0x11,0x0E,0x00,

  100. /*--  文字:  6  --*/
  101. /*--  宋體12;  此字體下對應(yīng)的點陣為：寬x高=8x16   --*/
  102. 0x00,0xE0,0x10,0x88,0x88,0x18,0x00,0x00,0x00,0x0F,0x11,0x20,0x20,0x11,0x0E,0x00,

  104. /*--  文字:  7  --*/
  105. /*--  宋體12;  此字體下對應(yīng)的點陣為：寬x高=8x16   --*/
  106. 0x00,0x38,0x08,0x08,0xC8,0x38,0x08,0x00,0x00,0x00,0x00,0x3F,0x00,0x00,0x00,0x00,

  108. /*--  文字:  8  --*/
  109. /*--  宋體12;  此字體下對應(yīng)的點陣為：寬x高=8x16   --*/
  110. 0x00,0x70,0x88,0x08,0x08,0x88,0x70,0x00,0x00,0x1C,0x22,0x21,0x21,0x22,0x1C,0x00,

  112. /*--  文字:  9  --*/
  113. /*--  宋體12;  此字體下對應(yīng)的點陣為：寬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;//狀態(tài)信息（判斷是否忙）
  153.         RS=0; // 數(shù)據(jù)\指令選擇，D/I（RS）=“L” ，表示 DB7∽DB0 為顯示指令數(shù)據(jù)
  154.         RW=1; //R/W=“H” ，E=“H”數(shù)據(jù)被讀到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; //僅當(dāng)?shù)?位為0時才可操作(判別busy信號)
  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)  /*顯示全角漢字*/
  229. {
  230. int i;        //選屏參數(shù)，page選頁參數(shù)，column選列參數(shù)，number選第幾漢字輸出
  231. SelectScreen(ss);
  232. lie=lie&0x3f;
  233. Set_page(page);        //寫上半頁
  234. Set_lie(lie); //控制列
  235. for(i=0;i<16;i++)  //控制16列的數(shù)據(jù)輸出
  236. {write_LCD_data(Hzk[i+32*number]);} //i+32*number漢字的前16個數(shù)據(jù)輸出
  237. Set_page(page+1);                 //寫下半頁
  238. Set_lie(lie);           //控制列
  239. for(i=0;i<16;i++)          //控制16列的數(shù)據(jù)輸出
  240. {write_LCD_data(Hzk[i+32*number+16]);}//i+32*number+16漢字的后16個數(shù)據(jù)輸出
  241. }
  242. void Displayen(uchar ss,uchar page,uchar lie,uchar number)/*顯示半角漢字和數(shù)字和字母*/
  243. {int i;//選屏參數(shù)，pagr選頁參數(shù)，column選列參數(shù)，number選第幾漢字輸出
  244. SelectScreen(ss);
  245. lie=lie&0x3f;
  246. Set_page(page);        //寫上半頁
  247. Set_lie(lie);
  248. for(i=0;i<8;i++)
  249. {write_LCD_data(Ezk[i+16*number]);}
  250. Set_page(page+1);        //寫下半頁
  251. Set_lie(lie);
  252. for(i=0;i<8;i++)
  253. {write_LCD_data(Ezk[i+16*number+8]);}
  254. }

  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. {

  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;

  318. }

  320. void main()
  321. {
  322. InitLCD();
  323. InitDingshi();
  324. while(1)
  325. {
  326. Key_Scan();
  327. ST=0;
  328. ST=1;
  329. ST=0;//啟動轉(zhuǎn)換
  330. while(EOC==0);    //等待轉(zhuǎn)換結(jié)果      
  331. OE=1;   //允許輸出
  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. }               

  351. }
  352. void Timer0() interrupt 1
  353. {
  354. TH0=(65536-150)/256;
  355. TL0=(65536-150)%256;
  356. CLK =~CLK;//ADC0809時鐘信號
  357. PWM =~PWM;
  358. }
復(fù)制代碼

全部資料51hei下載地址：
原理圖選ad.zip (277.14 KB, 下載次數(shù): 6)

作者: wlqqc123    時間: 2019-5-2 21:47
還想請教一個問題，就是怎么在記錄2通道出現(xiàn)波峰的同時，記錄1通道的電壓值，將他們作為一組數(shù)據(jù)保存起來



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