標(biāo)題: 單片機(jī)+DS1302顯示年月日加星期程序與Proteus仿真圖 [打印本頁]
作者: com456    時(shí)間: 2022-5-28 15:13
標(biāo)題: 單片機(jī)+DS1302顯示年月日加星期程序與Proteus仿真圖
萌新程序，如果有錯(cuò)誤望見諒。
仿真原理圖如下（proteus仿真工程文件可到本帖附件中下載）


單片機(jī)源程序如下:
  1. #include<reg51.h>
  2. #include<intrins.h>
  3. #define uint unsigned int
  4. #define uchar unsigned char
  5. sbit rs=P1^0;
  6. sbit rw=P1^1;
  7. sbit e=P1^2;
  8. sbit RST=P1^6;
  9. sbit SCK=P1^4;
  10. sbit IO=P1^5;
  11. sbit set=P3^2;
  12. sbit add=P3^3;
  13. sbit dec=P3^4;
  14. uint m,f,h,t,a,mode,c;
  15. uchar shu1[8]={6,5,4,3,2,7,1};
  16. uchar shu2[8];
  17. void delay_LCD(uint z)
  18. {
  19. uint x,y;
  20. for(x=z;x>0;x--)
  21. for(y=110;y>0;y--);
  22. }

  24. void com(uchar com)
  25. {
  26. rs=0;
  27. e=0;
  28. rw=0;
  29. P0=com;
  30. delay_LCD(1);
  31. e=1;
  32. delay_LCD(1);
  33. e=0;
  34. }
  35. void shu(uchar shu)
  36. {
  37. rs=1;
  38. e=0;
  39. rw=0;
  40. P0=shu;
  41. delay_LCD(1);
  42. e=1;
  43. delay_LCD(1);
  44. e=0;
  45. }
  46. void chu( )       
  47. {
  48. com(0x38);
  49. com(0x0c);
  50. com(0x01);
  51. com(0x06);
  52. }
  53. ds1302_read(uchar add)
  54. {
  55. uint i,m1,m;
  56. RST=0;   _nop_();
  57. SCK=0;   _nop_();
  58. RST=1;
  59. for(i=0;i<8;i++)
  60. {
  61. IO=add&0x01;
  62. add=add>>1;
  63. SCK=1;_nop_();
  64. SCK=0;_nop_();
  65. }
  66. for(i=0;i<8;i++)
  67. {
  68. m1=IO;
  69. m=(m>>1)|(m1<<7);
  70. SCK=1;_nop_();
  71. SCK=0;_nop_();
  72. }
  73. RST=0;_nop_();
  74. SCK=1;
  75. _nop_();IO = 0;
  76. _nop_();IO = 1;
  77. _nop_();
  78. return m;
  79. }
  80. void ds1302_write(uchar add,uchar m)
  81. {
  82. uchar i;
  83. RST=0;
  84. _nop_();
  85. SCK=0;
  86. _nop_();
  87. RST=1;
  88. for(i=0;i<8;i++)
  89. {
  90. IO=add&0x01;
  91. add=add>>1;
  92. SCK=1;
  93. _nop_();
  94. SCK=0;
  95. _nop_();
  96. }
  97. for(i=0;i<8;i++)
  98. {
  99. IO=m&0x01;
  100. m=m>>1;
  101. SCK=1;
  102. _nop_();
  103. SCK=0;
  104. _nop_();
  105. }
  106. RST=0;
  107. _nop_();
  108. }

  110. read_ds1302()
  111. {       
  112. uchar i;
  113. shu1[6]=ds1302_read(0x81)&0x7f;
  114. shu1[5]=ds1302_read(0x83);
  115. shu1[4]=ds1302_read(0x85);
  116. shu1[3]=ds1302_read(0x87);
  117. shu1[2]=ds1302_read(0x89);
  118. shu1[7]=ds1302_read(0x8b);
  119. shu1[1]=ds1302_read(0x8d);
  120. for(i=1;i<8;i++)
  121. {
  122. shu2[i]=(shu1[i]>>4)*10+(shu1[i]&0x0f);
  123. }
  124. }
  125. void ds1302_init()
  126. {
  127. uint b;
  128. RST=0;
  129. SCK=0;
  130. ds1302_write(0x8e,shu1[b]);
  131. ds1302_write(0x80,shu1[b]);
  132. ds1302_write(0x82,shu1[b]);
  133. ds1302_write(0x84,shu1[b]);
  134. ds1302_write(0x8a,shu1[b]);
  135. ds1302_write(0x86,shu1[b]);
  136. ds1302_write(0x88,shu1[b]);
  137. ds1302_write(0x8c,shu1[b]);
  138. ds1302_write(0x8e,shu1[b]);
  139. }
  140. uchar code Data_table[7][3]={"Mon","Tue","Wed","Thu","Fri","Sat","Sun"};
  141. code uchar table_week[12]=(0,3,3,6,1,4,6,2,5,0,3,5);
  142. uchar Conver_week(uchar year,uchar month,uchar day)
  143. {
  144. uchar p1,p2,week;
  145. year+=0x64;
  146. p1=year/0x4;
  147. p2=year+p1;
  148. p2=p2%0x7;
  149. p2=p2+day+table_week[month-1];
  150. if(year%0x4==0&&month<3)p2-=1;
  151. week=p2%0x7;
  152. return week;
  153. }
  154. void main()
  155. {
  156. uchar xq,num;
  157. chu();


  160. while(1)
  161. {
  162. read_ds1302();
  163. com(0x82);
  164. shu(shu2[1]/10+0x30);
  165. shu(shu2[0]%10+0x30);
  166. shu(shu2[1]/10+0x30);
  167. shu(shu2[1]%10+0x30);
  168. shu('-');
  169. shu(shu2[2]/10+0x30);
  170. shu(shu2[2]%10+0x30);
  171. shu('-');
  172. shu(shu2[3]/10+0x30);
  173. shu(shu2[3]%10+0x30);
  174. com(0xc2);
  175. shu(shu2[4]/10+0x30);
  176. shu(shu2[4]%10+0x30);
  177. shu(':');
  178. shu(shu2[5]/10+0x30);
  179. shu(shu2[5]%10+0x30);
  180. shu(':');
  181. shu(shu2[6]/10+0x30);
  182. shu(shu2[6]%10+0x30);
  183. xq=Conver_week(shu2[1],shu2[2],shu2[3]);
  184.    com(0x80+13);
  185.    for(num=0;num<3;num++)
  186.    { shu(Data_table[xq][num]);
  187. }
  188. }
  189. }
復(fù)制代碼

Keil代碼與Proteus8.8仿真下載:
顯示年月日.zip (109.18 KB, 下載次數(shù): 45)


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