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1、1.#include 2.#include“LCD.h“ 3.#define uchar unsigned char 4.#define uint unsigned int 5.#define N 10 6.uchar bai,ge,shi,n; 7.uint temp,tp;temph,templ; 8.uint code ad_date= 9. 1060,1060,1060,1100,1120,1140,1166,1180,1200,1220, 10. 1240,1320,1340,1360,1380,1400,1420,1440,1460,1480, 11. 1500,1520,1540
2、,1560,1580,1600,1620,1640,1660,1680, 12. 1700,1720,1740,1760,1780,1800,1820,1840,1840,1860, 13. 1880,1900,1920,1940,1960,1980,2000,2020,2040,2060, 14. 2080,2100,2120,2140,2160,2180,2200,2220,2240,2260, 15. 2280,2300,2320,2340,2360,2380,2400,2420,2440,2460, 16. 2480,2500,2520,2540,2560,2580,2600,2620
3、,2640,2660, 17. 2680,2700,2720,2740,2760,2780,2800,2820,2840,2860, 18. 2880,2900,2920,2920,2940,2960,2980,3000,3020,3040, 19. 3060,3080,3100,3120,3140,3160,3180,3200,3220,3240, 20. 3260,3280,3300,3320,3340,3360,3380,3400,3420,3440, 21. 3460,3480,3500,3520,3540,3560,3580,3600,3620,3640, 22. 3660,3680
4、; 23. uint code temperiture= 24. 594,593,586,580,579,560,564,559,552,545, 25. 541,518,513,508,503,497,491,488,483,480, 26. 473,468,463,458,455,451,447,440,434,433, 27. 430,425,420,416,413,409,404,401,401,396, 28. 390,386,382,378,374,372,368,364,361,357, 29. 354,351,347,343,340,336,333,328,326,322, 3
5、0. 319,316,313,309,307,303,300,296,294,289, 31. 286,283,280,276,274,271,267,264,260,257, 32. 253,249,246,243,240,237,233,231,228,224, 33. 222,219,214,216,211,209,206,202,198,194, 34. 187,184,181,178,175,171,168,164,161,158, 35. 154,152,148,146,142,139,136,133,130,126, 36. 124,121,116,114,112,108,102
6、,98,96,94, 37. 89,86; 38. uchar code table=“ T:00.0C“; 39. uchar num=0; 40. uchar keynum,max=40,min=0; 41. uchar code Temp_max=“ Max:40C“,Temp_min=“ Min:00C“; 42. 43. sbit ad_wr=P36; 44. sbit ad_rd=P37; 45. sbit ad_cs=P35; 46. sbit ad_int=P32; 47. sbit key1=P05; 48. sbit key2=P06; 49. sbit key3=P07;
7、 50. /sbit Beep=P00; 51. 52. /*函数表*/ 53. void init(); /初始化 54. void ad_delay(uint t); /延时函数 55. void change(uchar tempture); /分离百位、十位、个位 56. uchar ad_getshuju(); /ad 转换 57. char filter(); /滤波 58. uint convert(); /电压转换 59. void tempertur(); /度温度 60. void keyscan(); /键盘扫描 61. 62. /主函数 63. void main()
8、64. 65. init(); 66. while(1) 67. 68. keyscan(); 69. 70. 71. 72. void init() 73. 74. LCD_init(); 75. for(num=0;numvalue_bufi+1 ) 115. 116. temp_f = value_bufi; 117. value_bufi = value_bufi+1; 118. value_bufi+1 = temp_f; 119. 120. 121. 122. return value_buf(N-1)/2; 123. 124. 125.uint convert() 126. 12
9、7. uint temph,templ; /用于存储读出数据的高字节和低字节 128. uint tmp=“0“; /存储最后处理完的结果 注意数据类型 129. tmp=filter()+tmp; /求滤波后 ad 值 130. temph=tmp /屏蔽低四位 131. temph=temph4; /右移四位 取出高四位 132. templ=tmp /屏蔽高四位 取出低四位 133. tmp=templ*20+temph*320; /最后的结果是一个四位数，便于显示 电压值 134. return tmp; /返回最后处理结果 135. 136. 137.void change(ucha
10、r tempture) 138. 139. bai=tempture/100; 140. shi=tempture%100/10; 141. ge=tempture%10; 142. 143. 144.void tempertur() 145. 146. for(n=0;temp=ad_daten;n+); 147. tp=temperituren-1; 148. change(tp); 149. LCD_Write_add_data(4,0,0x30+bai); 150. LCD_Write_add_data(5,0,0x30+shi); 151. LCD_Write_add_data(7,
11、0,0x30+ge); 152. 153. 154. 155.void keyscan() 156. 157. if(key1=0) 158. 159. delay(5); 160. if(key1=0) 161. 162. while(!key1); 163. keynum+; 164. if(keynum=1) 165. 166. change(max); 167. LCD_Write_Com(0x01); 168. delay(10); 169. LCD_Write_add_str(0,0,10,Temp_max); 170. LCD_Write_add_data(6,0,0x30+sh
12、i); 171. LCD_Write_add_data(7,0,0x30+ge); 172. 173. if(keynum=2) 174. 175. change(min); 176. LCD_Write_Com(0x01); 177. min=min0?min:0; 178. delay(10); 179. LCD_Write_add_str(0,0,10,Temp_min); 180. LCD_Write_add_data(6,0,0x30+shi); 181. LCD_Write_add_data(7,0,0x30+ge); 182. 183. if(keynum=3) 184. 185. keynum=0; 186. LCD_Write_Com(0x01); 187. delay(10); 188. LCD_Write_
