21ic电子技术开发论坛 › 单片机与嵌入式系统 › 侃单片机论坛 › 做个基于Atmel的数字钟(第三步)
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[Atmel] 做个基于Atmel的数字钟(第三步)

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 楼主| ddllxxrr 发表于 2014-8-7 21:25 | 显示全部楼层 |阅读模式
ATMEL, 数字钟, se, TE, second
程序：

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  1. #include<REG2051.H>
    

  2. code senen_seg[10]={0x81,0xe7,0x92,0xa2,0xe4,0xa8,0x88,0xe3,0x80,0xa0};
    

  3. bit key1_enter=0,key2_enter=0,key3_enter=0,countdown_mark=0,stopwatch_mark=0,count_mark=0,bell_mark=0;
    

  4. unsigned char program=0,program_variable=0,count_bit=0,count=0;
    

  5. unsigned char hour=10,minute=10,second=0;
    

  6. unsigned char delayed_hour=22,delayed_minute=10,delayed_second=0;
    

  7. unsigned char count_hour=0,count_minute=0,count_second=0;
    

  8. unsigned int count_time=0,count_count=0;
    

  9. void delay(unsigned int t)
    

  10. {
    

  11. unsigned int i,j;
    

  12. for(i=0;i<t;i++)
    

  13. for(j=0;j<10;j++)
    

  14. ;
    

  15. }
    

  16. void time0_init(void){
    

  17. EA=0;
    

  18. TR0=0;
    

  19. TMOD=0x02;
    

  20. TH0=0x4;
    

  21. TL0=0x4;
    

  22. ET0=1;
    

  23. TR0=1;
    

  24. EA=1;
    

  25. }
    


  26. 

  27. static void timer0_isr(void) interrupt TF0_VECTOR using 1
    

  28. {
    

  29. count_time++;
    

  30. if(count_time>=4020){
    

  31. count_time=0;
    

  32. second++;
    

  33. if(second>=60){
    

  34. second=0;
    

  35. minute++;
    

  36. if(minute>=60){
    

  37. minute=0;
    

  38. hour++;
    

  39. if(hour>=24)hour=0;
    

  40. }
    

  41. }
    

  42. }
    

  43. if(delayed_hour==hour && delayed_minute==minute && second<4) P3_7=0;
    

  44. else P3_7=1;
    

  45. if(countdown_mark==1){
    

  46. count_count++;
    

  47. if(count_count>=4000 && (count_second!=0|count_minute!=0|count_hour!=0)){
    

  48. count_count=0;
    

  49. count_second--;
    

  50. if(count_second>=60){
    

  51. count_second=59;
    

  52. count_minute--;
    

  53. if(count_minute>=60){
    

  54. count_minute=59;
    

  55. count_hour--;
    

  56. if(count_hour>=100) count_hour=99;
    

  57. }
    

  58. }
    

  59. }
    

  60. if(count_second==0&&count_minute==0&&count_hour==0&&count_count<=12000) P3_7=0;
    

  61. else P3_7=1;
    

  62. if(count_count>=15000) count_count=14000;
    

  63. }
    

  64. if(stopwatch_mark==1){ count_count++;
    

  65. if(count_count>=40){
    

  66. count_count=0;
    

  67. count_second++;
    

  68. if(count_second>=100){
    

  69. count_second=0;
    

  70. count_minute++;
    

  71. if(count_minute>=60){
    

  72. count_minute=0;
    

  73. count_hour++;
    

  74. if(count_hour>=60) count_hour=0;
    

  75. }
    

  76. }
    

  77. }
    

  78. }
    

  79. }
    

  80. unsigned char show_key (void){
    

  81. unsigned char x=0,y=0;
    

  82. switch (program){
    

  83. case 0: P1&=senen_seg[second%10]; 
    

  84. break;
    

  85. case 1: if(count_time>=2000) P1&=senen_seg[second%10]; 
    

  86. break;
    

  87. case 2: if(delayed_hour==24) P1=0xfe; 
    

  88. else P1&=senen_seg[delayed_second%10];
    

  89. break;
    

  90. case 3: if(count_bit>=0) P1&=senen_seg[count_second%10];
    

  91. else P1=0xff;
    

  92. break;
    

  93. case 4: P1&=senen_seg[count_second%10]; 
    

  94. break;
    

  95. case 5: P1&=senen_seg[count_second%10]; 
    

  96. break;
    

  97. }
    

  98. P3_3=0;
    

  99. delay(10);
    

  100. if(P3_5==0){ 
    

  101. key1_enter=1;
    

  102. if(count<=254)count++;
    

  103. }
    

  104. if(P3_4==0) key2_enter=1;
    

  105. if(P3_2==0) key3_enter=1; 
    

  106. P3_3=1;
    

  107. P1|=0xff;
    

  108. switch (program){
    

  109. case 0: P1&=senen_seg[second/10];
    

  110. break;
    

  111. case 1: if(count_time>=2000) P1&=senen_seg[second/10]; 
    

  112. break;
    

  113. case 2: if(delayed_hour==24) P1=0xfe; 
    

  114. else P1&=senen_seg[delayed_second/10];
    

  115. break;
    

  116. case 3: if(count_bit>=1) P1&=senen_seg[count_second/10];
    

  117. else P1=0xff;
    

  118. break;
    

  119. case 4: P1&=senen_seg[count_second/10];
    

  120. break;
    

  121. case 5: P1&=senen_seg[count_second/10];
    

  122. break;
    

  123. }
    

  124. P3_1=0;
    

  125. delay(10);
    

  126. P3_1=1;
    

  127. P1|=0xff;
    

  128. switch (program){
    

  129. case 0: P1&=senen_seg[minute%10];
    

  130. break;
    

  131. case 1: if(count_time>=2000) P1&=senen_seg[minute%10];
    

  132. break;
    

  133. case 2: if(delayed_hour==24) P1=0xfe;
    

  134. else P1&=senen_seg[delayed_minute%10];
    

  135. break;
    

  136. case 3: if(count_bit>=2) P1&=senen_seg[count_minute%10];
    

  137. else P1=0xff;
    

  138. break;
    

  139. case 4: P1&=senen_seg[count_minute%10];
    

  140. break;
    

  141. case 5: P1&=senen_seg[count_minute%10];
    

  142. break;
    

  143. }
    

  144. P3_2=0;
    

  145. delay(10);
    

  146. P3_2=1;
    

  147. P1|=0xff;
    

  148. switch (program){
    

  149. case 0: P1&=senen_seg[minute/10];
    

  150. break;
    

  151. case 1: if(count_time>=2000) P1&=senen_seg[minute/10];
    

  152. break;
    

  153. case 2: if(delayed_hour==24) P1=0xfe;
    

  154. else P1&=senen_seg[delayed_minute/10];
    

  155. break;
    

  156. case 3: if(count_bit>=3) P1&=senen_seg[count_minute/10];
    

  157. else P1=0xff;
    

  158. break;
    

  159. case 4: P1&=senen_seg[count_minute/10];
    

  160. break;
    

  161. case 5: P1&=senen_seg[count_minute/10]; 
    

  162. break;
    

  163. }
    

  164. P3_5=0;
    

  165. delay(10);
    

  166. P3_5=1;
    

  167. P1|=0xff;
    

  168. switch (program){
    

  169. case 0: P1&=senen_seg[hour%10];
    

  170. break;
    

  171. case 1: if(count_time>=2000) P1&=senen_seg[hour%10]; 
    

  172. break;
    

  173. case 2: if(delayed_hour==24) P1=0xfe;
    

  174. else P1&=senen_seg[delayed_hour%10];
    

  175. break;
    

  176. case 3: if(count_bit>=4) P1&=senen_seg[count_hour%10];
    

  177. else P1=0xff;
    

  178. break;
    

  179. case 4: P1&=senen_seg[count_hour%10]; break;
    

  180. case 5: P1&=senen_seg[count_hour%10];
    

  181. break;
    

  182. }
    

  183. P3_0=0;
    

  184. delay(10);
    

  185. if(P3_4==1 && key2_enter==1){
    

  186. x=3; key2_enter=0;
    

  187. }
    

  188. P3_0=1;
    

  189. P1|=0xff;
    

  190. switch (program){
    

  191. case 0: P1&=senen_seg[hour/10]; break;
    

  192. case 1: if(count_time>=2000) P1&=senen_seg[hour/10]; break;
    

  193. case 2: if(delayed_hour==24) P1=0xfe; else P1&=senen_seg[delayed_hour/10];
    

  194. break;
    

  195. case 3: if(count_bit>=5)P1&=senen_seg[count_hour/10]; else P1=0xff;
    

  196. break;
    

  197. case 4: P1&=senen_seg[count_hour/10];
    

  198. break;
    

  199. case 5: P1&=senen_seg[count_hour/10]; break;
    

  200. }
    

  201. P3_4=0;
    

  202. delay(10);
    

  203. if(P3_5==1 && key1_enter==1){
    

  204. if(count>=127) x=1; else x=2; key1_enter=0;
    

  205. count=0;
    

  206. }
    

  207. if(P3_2==1 && key3_enter==1){
    

  208. x=4; 
    

  209. key3_enter=0;
    

  210. }
    

  211. P3_4=1;
    

  212. P1|=0xff;
    

  213. if(program<=1 && count_time>=2000) P1&=0xff;
    

  214. if(program<=1 && count_time<=2000) P1&=0x7f;
    

  215. if(program==2) P1&=0x7f;
    

  216. if(program==3) P1&=0xff;
    

  217. if(program==4) P1&=0x7f;
    

  218. if(program==5) P1&=0xff;
    

  219. y=x;
    

  220. x=0;
    

  221. return y;
    

  222. }
    

  223. void main(){ 
    

  224. P1=0xff;
    

  225. P3=0xff;
    

  226. time0_init();
    

  227. while(1){
    

  228. switch(program){
    

  229. case 0: while(program==0){
    

  230. switch(show_key()){
    

  231. case 0: break;
    

  232. case 1: program=0;
    

  233. break;
    

  234. case 2: program=1;
    

  235. break;
    

  236. }
    

  237. }
    

  238. break; 
    

  239. case 1: while(program==1){
    

  240. switch(show_key()){
    

  241. case 0: break;
    

  242. case 1: program=0;
    

  243. break;
    

  244. case 2: program=2;
    

  245. break;
    

  246. case 3: hour++;
    

  247. if(hour>=24)hour=0;
    

  248. break;
    

  249. case 4: minute++;
    

  250. if(minute>=60)minute=0;
    

  251. break;
    

  252. }
    

  253. }
    

  254. break;
    

  255. case 2: while(program==2){
    

  256. switch(show_key()){
    

  257. case 0: break;
    

  258. case 1: program=0;
    

  259. break;
    

  260. case 2: program=3;
    

  261. break;
    

  262. case 3: delayed_hour++;
    

  263. if(delayed_hour>=25)delayed_hour=0;
    

  264. break;
    

  265. case 4: delayed_minute++;
    

  266. if(delayed_minute>=60)delayed_minute=0;
    

  267. break;
    

  268. }
    

  269. }
    

  270. break;
    

  271. case 3: while(program==3){ 
    

  272. switch(show_key()){
    

  273. case 0: break;
    

  274. case 1: program=0;
    

  275. break;
    

  276. case 2: program=4;
    

  277. break;
    

  278. case 3: count_bit++;
    

  279. if(count_bit>=7)count_bit=0;
    

  280. break;
    

  281. case 4: switch(count_bit){
    

  282. case 0: count_second+=1;
    

  283. break;
    

  284. case 1: count_second+=10;
    

  285. break;
    

  286. case 2: count_minute+=1;
    

  287. break;
    

  288. case 3: count_minute+=10;
    

  289. break;
    

  290. case 4: count_hour+=1;
    

  291. break;
    

  292. case 5: count_hour+=10;
    

  293. break;
    

  294. case 6: break;
    

  295. }
    

  296. if(count_hour>=100) count_hour-=100;
    

  297. if(count_minute>=60) count_minute-=60;
    

  298. if(count_second>=60) count_second-=60;
    

  299. break;
    

  300. }
    

  301. if(count_bit==6) countdown_mark=1;
    

  302. else countdown_mark=0;
    

  303. }
    

  304. break;
    

  305. case 4: count_hour=0; 
    

  306. count_minute=0;
    

  307. count_second=0;
    

  308. while(program==4){
    

  309. switch(show_key()){
    

  310. case 0: break;
    

  311. case 1: program=0;
    

  312. break;
    

  313. case 2: program=5;
    

  314. break;
    

  315. case 3: stopwatch_mark=~stopwatch_mark;
    

  316. break;
    

  317. case 4: if(stopwatch_mark==0){
    

  318. count_hour=0;
    

  319. count_minute=0;
    

  320. count_second=0;
    

  321. }
    

  322. break;
    

  323. }
    

  324. }
    

  325. break; 
    

  326. case 5: count_hour=0;
    

  327. count_minute=0;
    

  328. count_second=0;
    

  329. while(program==5){
    

  330. switch(show_key()){
    

  331. case 0: break;
    

  332. case 1: program=0;
    

  333. break;
    

  334. case 2: program=0;
    

  335. break;
    

  336. case 3: count_second++;
    

  337. if(count_second>=100){
    

  338. count_second=0;
    

  339. count_minute++;
    

  340. if(count_minute>=100){
    

  341. count_minute=0;
    

  342. count_hour++;
    

  343. if(count_hour>=100)count_hour=0;
    

  344. }
    

  345. }
    

  346. break;
    

  347. case 4: count_hour=0;
    

  348. count_minute=0;
    

  349. count_second=0;
    

  350. break;
    

  351. }
    

  352. if(P3_7==0){
    

  353. while(P3_7==0) show_key();
    

  354. count_second++;
    

  355. if(count_second>=100){
    

  356. count_second=0;
    

  357. count_minute++;
    

  358. if(count_minute>=100){
    

  359. count_minute=0;


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蔚蓝柳叶 发表于 2014-8-7 23:09 | 显示全部楼层
先收藏，到时单片机课程设计用得上，谢谢楼主分享。
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