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標題: IIC初學所寫的一些程序 [打印本頁]
作者: liuda    時間: 2015-1-23 00:59
標題: IIC初學所寫的一些程序
溜達一圈，剛回來，昨晚弄IIC，搞得晚上都沒睡好覺，難得昨天天氣很好，室溫20度，穿一件內(nèi)衣都可以了；
IIC 協(xié)議用郭天祥書本上現(xiàn)成的，記得以前幫MM搞畢業(yè)設(shè)計時LCD上的串行協(xié)議也是用他的；
反正，這個協(xié)議完全應(yīng)該可以當成標準品來用了，感覺一段時間沒玩代碼，又似乎回到了起點；
單字節(jié)讀寫沒有問題；今天準備把多字節(jié)給
  1. #include<reg52.h>
  2. #include<intrins.h>
  3. #include<at24c04.c>
  4. #define uint unsigned int
  5. #define uchar unsigned char
  6. uint BTime_Count;
  7. uchar BSec,Sec,Min,Hour,Sec_Flag;
  8. sbit Rst = P1^5;sbit Lcd_Csb = P1^4;sbit Lcd_Csa = P1^3;
  9. sbit Rs = P1^2;sbit Rw = P1^1;sbit En = P1^0;
  10.   sbit BL = P2^1;sbit Led = P2^3;
  11. sbit Key_1=P2^5;sbit Key_2=P2^6;sbit Key_3=P2^7;

  13. uchar code display_number[]={0,1,2,3,4,5,6,7,8,9};
  14. uchar clock[6];
  15. uchar code zk3[][144]={
  16. // 0(0) 1(1) 2(2) 3(3) 4(4) 5(5) 6(6) 7(7) 8(8) 9(9)
  17. {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  18. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0xC0,0xE0,0xF0,0xF8,
  19. 0xF8,0xF8,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xF8,0xF8,0xF8,0xF0,
  20. 0x00,0xF0,0xFE,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x07,0x01,0x00,0x00,0x00,
  21. 0x00,0x01,0x07,0xFF,0xFF,0xFF,0xFF,0xFF,0x00,0x1F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
  22. 0xFF,0xFF,0xFF,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0xC0,0xFF,0xFF,0xFF,0xFF,0xFF,
  23. 0x00,0x00,0x00,0x03,0x07,0x0F,0x1F,0x3F,0x3F,0x3F,0x7F,0x7F,0x7F,0x7E,0x7E,0x7E,
  24. 0x7E,0x7F,0x7F,0x7F,0x3F,0x3F,0x3F,0x1F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  25. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"0",0*/
  26. {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  27. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  28. 0x80,0x80,0xC0,0xC0,0xF0,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0x00,0x00,0x00,
  29. 0x00,0x00,0x00,0x00,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0xFF,0xFF,0xFF,0xFF,0xFF,
  30. 0xFF,0xFF,0xFF,0xFF,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  31. 0x00,0x00,0x00,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x00,0x00,0x00,
  32. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7F,0x7F,0x7F,0x7F,0x7F,
  33. 0x7F,0x7F,0x7F,0x7F,0x7F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  34. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"1",1*/
  35. {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  36. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0xC0,0xE0,0xF0,0xF0,0xF8,
  37. 0xF8,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xF8,0xF8,0xF8,0xF0,0xF0,
  38. 0x00,0x3E,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x03,0x01,0x00,0x80,0xC0,
  39. 0xE1,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x00,0x00,0x00,0x80,0xC0,0xC0,0xE0,0xF0,
  40. 0xF0,0xF8,0xFC,0xFC,0xFE,0xFF,0x7F,0x7F,0x3F,0x1F,0x1F,0x0F,0x0F,0x07,0x03,0x03,
  41. 0x70,0x7C,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,
  42. 0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  43. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"2",2*/
  44. {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  45. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xC0,0xE0,0xF0,0xF0,0xF8,
  46. 0xF8,0xF8,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xF8,0xF8,0xF8,0xF0,0xE0,
  47. 0x00,0x00,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0xC1,0xC0,0xC0,0xE1,
  48. 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x7F,0x00,0xE0,0xE0,0xE0,0xE0,0xE0,0xE0,0xE0,
  49. 0xE0,0xE0,0xE0,0x80,0x07,0x07,0x07,0x07,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
  50. 0x00,0x01,0x07,0x0F,0x1F,0x1F,0x3F,0x3F,0x3F,0x7F,0x7F,0x7F,0x7F,0x7E,0x7E,0x7E,
  51. 0x7F,0x7F,0x7F,0x3F,0x3F,0x3F,0x1F,0x1F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  52. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"3",3*/
  53. {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  54. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  55. 0x00,0x00,0x80,0xC0,0xE0,0xF0,0xF8,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,
  56. 0x00,0x00,0x00,0x80,0xC0,0xE0,0xF8,0xFC,0xFE,0xFF,0xFF,0x7F,0x3F,0x1F,0x0F,0xFF,
  57. 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x00,0xFE,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
  58. 0xFF,0xFD,0xFC,0xFC,0xFC,0xFC,0xFC,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
  59. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7F,
  60. 0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  61. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"4",4*/
  62. {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  63. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xE0,0xFC,0xFC,0xFC,
  64. 0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,
  65. 0x00,0x00,0x00,0xF8,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xE1,0xF1,0xF1,0xF1,
  66. 0xF1,0xF1,0xF1,0xF1,0xF1,0xF1,0xE1,0xE1,0x00,0x80,0x83,0x83,0x83,0x87,0x87,0x87,
  67. 0x87,0xC7,0xC7,0x87,0x03,0x01,0x01,0x01,0x03,0x87,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
  68. 0x00,0x01,0x03,0x0F,0x0F,0x1F,0x3F,0x3F,0x3F,0x7F,0x7F,0x7F,0x7F,0x7E,0x7E,0x7E,
  69. 0x7F,0x7F,0x7F,0x7F,0x3F,0x3F,0x3F,0x1F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  70. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"5",5*/
  71. {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  72. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0xC0,0xE0,0xF0,0xF0,
  73. 0xF8,0xF8,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xF8,0xF8,0xF0,0xF0,
  74. 0x00,0xF0,0xFE,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xE7,0xE1,0xF0,0xF0,0xF0,
  75. 0xF0,0xF1,0xF3,0xF3,0xF3,0xF3,0xE3,0xE3,0x00,0x3F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
  76. 0xFF,0xFF,0xFF,0x87,0x03,0x01,0x01,0x01,0x03,0x87,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
  77. 0x00,0x00,0x00,0x03,0x07,0x0F,0x1F,0x3F,0x3F,0x3F,0x7F,0x7F,0x7F,0x7E,0x7E,0x7E,
  78. 0x7F,0x7F,0x7F,0x7F,0x3F,0x3F,0x3F,0x1F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  79. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"6",6*/
  80. {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  81. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,
  82. 0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,
  83. 0x00,0x00,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0xC1,0xE1,0xF1,0xFD,
  84. 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x3F,0x0F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  85. 0x80,0xF0,0xFC,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x1F,0x03,0x00,0x00,0x00,
  86. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x78,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,
  87. 0x7F,0x7F,0x03,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  88. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"7",7*/
  89. {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  90. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0xC0,0xE0,0xF0,0xF8,0xF8,
  91. 0xF8,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xF8,0xF8,0xF8,0xF0,
  92. 0x00,0x00,0x0F,0x3F,0x7F,0x7F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF1,0xE0,0xE0,0xE0,
  93. 0xF1,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x7F,0x00,0xF8,0xFC,0xFE,0xFF,0xFF,0xFF,0xFF,
  94. 0xFF,0xFF,0xFF,0x8F,0x07,0x03,0x03,0x03,0x07,0x8F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
  95. 0x00,0x01,0x07,0x0F,0x1F,0x1F,0x3F,0x3F,0x3F,0x7F,0x7F,0x7F,0x7F,0x7E,0x7E,0x7E,
  96. 0x7F,0x7F,0x7F,0x7F,0x3F,0x3F,0x3F,0x1F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  97. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"8",8*/
  98. {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  99. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0xE0,0xE0,0xF0,0xF8,0xF8,
  100. 0xF8,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xF8,0xF8,0xF8,0xF0,0xE0,
  101. 0x00,0x7E,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xC3,0x81,0x00,0x00,0x00,
  102. 0x81,0xC3,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x00,0x00,0x81,0x83,0x87,0x8F,0x8F,0x9F,
  103. 0x9F,0x9F,0x9F,0x1F,0x1F,0x1F,0x1F,0x1F,0x0F,0xCF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
  104. 0x00,0x00,0x01,0x07,0x0F,0x1F,0x1F,0x3F,0x3F,0x7F,0x7F,0x7F,0x7E,0x7E,0x7E,0x7E,
  105. 0x7F,0x7F,0x7F,0x3F,0x3F,0x1F,0x1F,0x0F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  106. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"9",9*/
  107. {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  108. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  109. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  110. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  111. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  112. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  113. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  114. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  115. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*" ",11*/
  116. };
  117. /*------------------------------------?-------------------------------------*/
  118. void Delay_ms(uint ms)
  119. {
  120.   uint i,j;
  121.   for(i=ms;i>0;i--)
  122.   for(j=1222;j>0;j--)
  123.   {;}
  124. }
  125. void Delay_us(uint us)
  126. {
  127.   while(us--);
  128. }
  129. //----------------------------------------------------------------------------------------
  130. void Busy(void)
  131. {
  132.   Rs=0;
  133.   Rw=1;
  134.   P0=0xff;
  135.   En=1;
  136.   while((P0&0x80)!=0);
  137.   En=0;
  138. }
  139. //WR_DATA&CMd
  140. void wrdata(uchar a,uchar b,uchar c,uchar lcddata)
  141. {
  142.   
  143.   Lcd_Csa=a;
  144.   Lcd_Csb=b;
  145.   Busy();
  146.   Rs=c;
  147.   Rw=0;
  148.   En=1;
  149.   P0=lcddata;                                                   
  150.   En=0;
  151.   Lcd_Csa=1;
  152.   Lcd_Csb=1;
  153.   Rs=1;
  154.   Rw=1;
  155. }
  156. //LCM INITIAL
  157. void initallcd(void)
  158. {
  159.   Lcd_Csa=1;
  160.   Lcd_Csb=1;
  161.   Rst=0;
  162.   Delay_ms(50);
  163.   Rst=1;
  164.   Delay_ms(50);
  165.   wrdata(0,0,0,0x3E);
  166.   Delay_ms(5);
  167.   wrdata(0,1,0,0x3E);
  168.   Delay_ms(5);
  169.   wrdata(1,0,0,0x3E);
  170.   Delay_ms(5);
  171.   wrdata(0,0,0,0x3F);
  172.   Delay_ms(5);
  173.   wrdata(0,1,0,0x3F);
  174.   Delay_ms(5);
  175.   wrdata(1,0,0,0x3F);
  176.   Delay_ms(5);
  177. }
  178. void Clear(uchar dat)
  179. {
  180.   uchar i,j;
  181.   uchar page=0xb8;
  182.   for(i=0;i<8;i++)
  183.   {
  184.    wrdata(0,0,0,page|i);
  185.    wrdata(0,0,0,0x40);
  186.    wrdata(0,0,0,0xc0);
  187.    wrdata(0,1,0,page|i);
  188.    wrdata(0,1,0,0x40);
  189.    wrdata(0,1,0,0xc0);
  190.    wrdata(1,0,0,page|i);
  191.    wrdata(1,0,0,0x40);
  192.    wrdata(1,0,0,0xc0);
  193.    for(j=0;j<64;j++)
  194.    {
  195.     wrdata(0,0,1,dat);
  196.     wrdata(0,1,1,dat);
  197.     wrdata(1,0,1,dat);
  198.    }
  199.   }
  200. }
  201.   void disp4848(uchar a,uchar b,uchar c,uchar addr,uchar row,uchar *p)
  202. {
  203.   uchar i,ch;
  204.   addr=0xb8+addr;
  205.   wrdata(a,b,0,addr);
  206.   wrdata(a,b,0,row);
  207.   for(i=0;i<144;i++)
  208.   {
  209.    ch=*p;
  210.    wrdata(a,b,c,ch);
  211.    p++;
  212.    if((i==24)||(i==48)||(i==72)||(i==96)||(i==120))
  213.    {
  214.     wrdata(a,b,0,++addr);
  215.     wrdata(a,b,0,row+1);
  216.    }
  217.   }
  218. }
  219. void Time_ini(void)
  220. {
  221.    TMOD=0x02;
  222.    TH0=6;
  223.    TL0=6;
  224.    TR0=1;
  225.    ET0=1;
  226.    EA=1;
  227. }
  228. void Time0()interrupt 1
  229. {
  230.   TF0=0;
  231.   BTime_Count++;
  232.   if(BTime_Count==2000)
  233.   {
  234.    BTime_Count=0;
  235.    BSec++;
  236.    if(BSec==2)
  237.    {
  238.     BSec=0;Sec++;Sec_Flag=1;
  239.     if(Sec==60)
  240.     {
  241.      Sec=0;Min++;
  242.      if(Min==60)
  243.      {
  244.       Min=0;Hour++;
  245.       if(Hour==24)
  246.       {
  247.        Hour=0;
  248.       }
  249.      }
  250.     }
  251.    }
  252.   }
  253. }
  254. /*------------------------------------------
  255.    void Time_Pro(void)
  256.    {
  257.     disp4848(0,0,1,0,0x40,zk3[Hour/10]);
  258. disp4848(0,0,1,0,0x58,zk3[Hour%10]);
  259. disp4848(1,0,1,0,0x40,zk3[Min/10]);
  260. disp4848(1,0,1,0,0x58,zk3[Min%10]);
  261. disp4848(0,1,1,0,0x40,zk3[Sec/10]);
  262. disp4848(0,1,1,0,0x58,zk3[Sec%10]);
  263.    }
  264. *///-----------------------------------------
  265.     void Time_Pro(void)
  266.    {
  267.     disp4848(0,0,1,0,0x40,zk3[clock[0]]);
  268. disp4848(0,0,1,0,0x58,zk3[clock[1]]);
  269. disp4848(1,0,1,0,0x40,zk3[clock[2]]);
  270. disp4848(1,0,1,0,0x58,zk3[clock[3]]);
  271. disp4848(0,1,1,0,0x40,zk3[clock[4]]);
  272. disp4848(0,1,1,0,0x58,zk3[clock[5]]);
  273.    }
  274.    void Disp(void)
  275.    {
  276.     clock[0]=display_number[Hour/10];
  277. clock[1]=display_number[Hour%10];
  278.     clock[2]=display_number[Min/10];
  279. clock[3]=display_number[Min%10];
  280. clock[4]=display_number[Sec/10];
  281. clock[5]=display_number[Sec%10];
  282.    }
  283. void main()
  284. {
  285.      initallcd();
  286.   Clear(0x00);
  287.   init();
  288.   Sec=read_add(0);
  289.   //clock=Read_Flash();
  290.   Time_ini();
  291.   while(1)
  292.   {
  293.    Time_Pro();
  294.    if(Sec_Flag)
  295.    {
  296.      Sec_Flag=0;Led=~Led;
  297.     write_add(0,Sec);
  298.     write_add(1,Min);
  299.     write_add(2,Hour);
  300.    }        
  301.   }            
  302. }

  304.   #define uchar unsigned char
  305. #define uint unsigned int
  306. sbit IIC_Sda=P3^5;
  307. sbit IIC_Scl=P3^6;
  308. uchar a;
  309. void delay()
  310. { ;; }
  311. void start()  //開始信號
  312. {
  313. IIC_Sda=1;
  314. delay();
  315. IIC_Scl=1;
  316. delay();
  317. IIC_Sda=0;
  318. delay();
  319. }
  320. void stop()   //停止
  321. {
  322. IIC_Sda=0;
  323. delay();
  324. IIC_Scl=1;
  325. delay();
  326. IIC_Sda=1;
  327. delay();
  328. }
  329. void respons()  //應(yīng)答
  330. {
  331. uchar i;
  332. IIC_Scl=1;
  333. delay();
  334. while((IIC_Sda==1)&&(i<250))i++;
  335. IIC_Scl=0;
  336. delay();
  337. }
  338. void init()    //初始化
  339. {
  340. IIC_Sda=1;
  341. delay();
  342. IIC_Scl=1;
  343. delay();
  344. }
  345. void write_byte(uchar date)
  346. {
  347. uchar i,temp;
  348. temp=date;
  349. for(i=0;i<8;i++)
  350. {
  351.    temp=temp<<1;
  352.    IIC_Scl=0;
  353.     delay();
  354.    IIC_Sda=CY;
  355.    delay();
  356.    IIC_Scl=1;
  357.    delay();
  358. }
  359. IIC_Scl=0;
  360. delay();
  361. IIC_Sda=1;
  362. delay();
  363. }
  364. uchar read_byte()
  365. {
  366. uchar i,k;
  367. IIC_Scl=0;
  368. delay();
  369. IIC_Sda=1;
  370. delay();
  371. for(i=0;i<8;i++)
  372. {
  373.    IIC_Scl=1;
  374.    delay();
  375.    k=(k<<1)|IIC_Sda;
  376.    IIC_Scl=0;
  377.    delay();
  378. }
  379. return k;
  380. }
  381. void delay1(uchar x)
  382. {
  383. uchar a,b;
  384. for(a=x;a>0;a--)
  385.    for(b=100;b>0;b--);
  386. }
  387. void write_add(uchar address,uchar date)
  388. {
  389. start();
  390. write_byte(0xa0);
  391. respons();
  392. write_byte(address);
  393. respons();
  394. write_byte(date);
  395. respons();
  396. stop();
  397. }
  398. uchar read_add(uchar address)
  399. {
  400. uchar date;
  401. start();
  402. write_byte(0xa0);
  403. respons();
  404. write_byte(address);
  405. respons();
  406. start();
  407. write_byte(0xa1);
  408. respons();
  409. date=read_byte();
  410. stop();
  411. return date;
  412. }
  413. void Read_Flash(uchar *Array,uchar nAdd,uchar nLen)
  414. {
  415.    start();
  416.   write_byte(0xa0);
  417.   respons();
  418.   write_byte(nAdd);
  419.   respons();
  420.   start();
  421.   write_byte(0xa1);
  422.   respons();
  423.   while(--nLen)
  424.   {
  425.    *Array=read_byte();
  426.    Array++;
  427.    respons();
  428.   }
  429.   *Array=read_byte();
  430.   stop();
  431. }
  432. void Write_Flash(uchar *Array,uchar nAdd,uchar nLen)
  433. {
  434.   uchar i;
  435.   start();
  436.   write_byte(0xa0);
  437.   respons();
  438.   write_byte(nAdd);
  439.   respons();
  440.   for(i=0;i<nLen;i++)
  441.   {
  442.    write_byte(*Array);
  443.    Array++;
  444.   }
  445.   respons();
  446.   stop();

  448. }
復(fù)制代碼

弄上去（書上沒有），寫著寫著，發(fā)現(xiàn)有點麻煩，哎，先上單字節(jié)的程序了；
作者: liuda    時間: 2015-1-23 00:59
昨天，晚上也難眠；
上午起得比較晚，坐在床上彈了一個上午的吉他，只是自已從來沒有認真練過彈與唱，有點感覺了的時候就投入了；
今天，終于調(diào)通了IIC—AT24C04，寫了一個時鐘程序，每隔一秒鐘把時分秒往AT24C04里寫一次；
這樣上電后就記錄了斷電時的數(shù)據(jù)；
下午，一個員工一邊玩我的電腦，和我扯談了一個下午，扯得我嗓子都痛了；
呵呵，我真不知我這么菜的，還能不能接上外單業(yè)務(wù)，這個我還真沒把握，沒想過要賺得多少錢；
只是想玩玩，可是發(fā)現(xiàn)如果沒投入進去，又老是覺得不過隱；
好了，到這基本可以上路了，天馬行空，自由發(fā)揮啊！
上程序了：且看，往IIC里面寫數(shù)據(jù)，要延時啊，不然數(shù)據(jù)老是不對；1T的芯片啊！

  1. #include<reg51.h>
  2. #include<intrins.h>
  3. #include<at24c04.c>
  4. #define uint unsigned int
  5. #define uchar unsigned char
  6. uint BTime_Count;
  7. uchar BSec,Sec,Min,Hour,Sec_Flag;
  8. sbit Rst = P1^5;sbit Lcd_Csb = P1^4;sbit Lcd_Csa = P1^3;
  9. sbit Rs = P1^2;sbit Rw = P1^1;sbit En = P1^0;
  10.   sbit BL = P2^1;sbit Led = P2^3;
  11. sbit Key_1=P2^5;sbit Key_2=P2^6;sbit Key_3=P2^7;
  12. uchar clock[3];
  13. uchar rclock[3];
  14.   uchar code zk3[][144]={
  15. // 0(0) 1(1) 2(2) 3(3) 4(4) 5(5) 6(6) 7(7) 8(8) 9(9)
  16. {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  17. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0xC0,0xE0,0xF0,0xF8,
  18. 0xF8,0xF8,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xF8,0xF8,0xF8,0xF0,
  19. 0x00,0xF0,0xFE,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x07,0x01,0x00,0x00,0x00,
  20. 0x00,0x01,0x07,0xFF,0xFF,0xFF,0xFF,0xFF,0x00,0x1F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
  21. 0xFF,0xFF,0xFF,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0xC0,0xFF,0xFF,0xFF,0xFF,0xFF,
  22. 0x00,0x00,0x00,0x03,0x07,0x0F,0x1F,0x3F,0x3F,0x3F,0x7F,0x7F,0x7F,0x7E,0x7E,0x7E,
  23. 0x7E,0x7F,0x7F,0x7F,0x3F,0x3F,0x3F,0x1F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  24. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"0",0*/
  25. {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  26. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  27. 0x80,0x80,0xC0,0xC0,0xF0,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0x00,0x00,0x00,
  28. 0x00,0x00,0x00,0x00,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0xFF,0xFF,0xFF,0xFF,0xFF,
  29. 0xFF,0xFF,0xFF,0xFF,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  30. 0x00,0x00,0x00,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x00,0x00,0x00,
  31. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7F,0x7F,0x7F,0x7F,0x7F,
  32. 0x7F,0x7F,0x7F,0x7F,0x7F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  33. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"1",1*/
  34. {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  35. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0xC0,0xE0,0xF0,0xF0,0xF8,
  36. 0xF8,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xF8,0xF8,0xF8,0xF0,0xF0,
  37. 0x00,0x3E,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x03,0x01,0x00,0x80,0xC0,
  38. 0xE1,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x00,0x00,0x00,0x80,0xC0,0xC0,0xE0,0xF0,
  39. 0xF0,0xF8,0xFC,0xFC,0xFE,0xFF,0x7F,0x7F,0x3F,0x1F,0x1F,0x0F,0x0F,0x07,0x03,0x03,
  40. 0x70,0x7C,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,
  41. 0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  42. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"2",2*/
  43. {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  44. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xC0,0xE0,0xF0,0xF0,0xF8,
  45. 0xF8,0xF8,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xF8,0xF8,0xF8,0xF0,0xE0,
  46. 0x00,0x00,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,0xC1,0xC0,0xC0,0xE1,
  47. 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x7F,0x00,0xE0,0xE0,0xE0,0xE0,0xE0,0xE0,0xE0,
  48. 0xE0,0xE0,0xE0,0x80,0x07,0x07,0x07,0x07,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
  49. 0x00,0x01,0x07,0x0F,0x1F,0x1F,0x3F,0x3F,0x3F,0x7F,0x7F,0x7F,0x7F,0x7E,0x7E,0x7E,
  50. 0x7F,0x7F,0x7F,0x3F,0x3F,0x3F,0x1F,0x1F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  51. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"3",3*/
  52. {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  53. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  54. 0x00,0x00,0x80,0xC0,0xE0,0xF0,0xF8,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,
  55. 0x00,0x00,0x00,0x80,0xC0,0xE0,0xF8,0xFC,0xFE,0xFF,0xFF,0x7F,0x3F,0x1F,0x0F,0xFF,
  56. 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x00,0xFE,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
  57. 0xFF,0xFD,0xFC,0xFC,0xFC,0xFC,0xFC,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
  58. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7F,
  59. 0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  60. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"4",4*/
  61. {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  62. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xE0,0xFC,0xFC,0xFC,
  63. 0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,
  64. 0x00,0x00,0x00,0xF8,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xE1,0xF1,0xF1,0xF1,
  65. 0xF1,0xF1,0xF1,0xF1,0xF1,0xF1,0xE1,0xE1,0x00,0x80,0x83,0x83,0x83,0x87,0x87,0x87,
  66. 0x87,0xC7,0xC7,0x87,0x03,0x01,0x01,0x01,0x03,0x87,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
  67. 0x00,0x01,0x03,0x0F,0x0F,0x1F,0x3F,0x3F,0x3F,0x7F,0x7F,0x7F,0x7F,0x7E,0x7E,0x7E,
  68. 0x7F,0x7F,0x7F,0x7F,0x3F,0x3F,0x3F,0x1F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  69. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"5",5*/
  70. {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  71. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0xC0,0xE0,0xF0,0xF0,
  72. 0xF8,0xF8,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xF8,0xF8,0xF0,0xF0,
  73. 0x00,0xF0,0xFE,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xE7,0xE1,0xF0,0xF0,0xF0,
  74. 0xF0,0xF1,0xF3,0xF3,0xF3,0xF3,0xE3,0xE3,0x00,0x3F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
  75. 0xFF,0xFF,0xFF,0x87,0x03,0x01,0x01,0x01,0x03,0x87,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
  76. 0x00,0x00,0x00,0x03,0x07,0x0F,0x1F,0x3F,0x3F,0x3F,0x7F,0x7F,0x7F,0x7E,0x7E,0x7E,
  77. 0x7F,0x7F,0x7F,0x7F,0x3F,0x3F,0x3F,0x1F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  78. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"6",6*/
  79. {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  80. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,
  81. 0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,
  82. 0x00,0x00,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0xC1,0xE1,0xF1,0xFD,
  83. 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x3F,0x0F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  84. 0x80,0xF0,0xFC,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x1F,0x03,0x00,0x00,0x00,
  85. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x78,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,
  86. 0x7F,0x7F,0x03,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  87. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"7",7*/
  88. {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  89. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0xC0,0xE0,0xF0,0xF8,0xF8,
  90. 0xF8,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xF8,0xF8,0xF8,0xF0,
  91. 0x00,0x00,0x0F,0x3F,0x7F,0x7F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF1,0xE0,0xE0,0xE0,
  92. 0xF1,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x7F,0x00,0xF8,0xFC,0xFE,0xFF,0xFF,0xFF,0xFF,
  93. 0xFF,0xFF,0xFF,0x8F,0x07,0x03,0x03,0x03,0x07,0x8F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
  94. 0x00,0x01,0x07,0x0F,0x1F,0x1F,0x3F,0x3F,0x3F,0x7F,0x7F,0x7F,0x7F,0x7E,0x7E,0x7E,
  95. 0x7F,0x7F,0x7F,0x7F,0x3F,0x3F,0x3F,0x1F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  96. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"8",8*/
  97. {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  98. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0xE0,0xE0,0xF0,0xF8,0xF8,
  99. 0xF8,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xFC,0xF8,0xF8,0xF8,0xF0,0xE0,
  100. 0x00,0x7E,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xC3,0x81,0x00,0x00,0x00,
  101. 0x81,0xC3,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x00,0x00,0x81,0x83,0x87,0x8F,0x8F,0x9F,
  102. 0x9F,0x9F,0x9F,0x1F,0x1F,0x1F,0x1F,0x1F,0x0F,0xCF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
  103. 0x00,0x00,0x01,0x07,0x0F,0x1F,0x1F,0x3F,0x3F,0x7F,0x7F,0x7F,0x7E,0x7E,0x7E,0x7E,
  104. 0x7F,0x7F,0x7F,0x3F,0x3F,0x1F,0x1F,0x0F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  105. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"9",9*/
  106. {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  107. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  108. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  109. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  110. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  111. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  112. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  113. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  114. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*" ",11*/
  115. };
  116. /*------------------------------------?-------------------------------------*/
  117. void Delay_ms(uint ms)
  118. {
  119.   uint i,j;
  120.   for(i=ms;i>0;i--)
  121.   for(j=1222;j>0;j--)
  122.   {;}
  123. }
  124. void Delay_us(uint us)
  125. {
  126.   while(us--);
  127. }
  128. //----------------------------------------------------------------------------------------
  129. void Busy(void)
  130. {
  131.   Rs=0;
  132.   Rw=1;
  133.   P0=0xff;
  134.   En=1;
  135.   while((P0&0x80)!=0);
  136.   En=0;
  137. }
  138. //WR_DATA&CMd
  139. void wrdata(uchar a,uchar b,uchar c,uchar lcddata)
  140. {   
  141.   Lcd_Csa=a;
  142.   Lcd_Csb=b;
  143.   Busy();
  144.   Rs=c;
  145.   Rw=0;
  146.   En=1;
  147.   P0=lcddata;                                                   
  148.   En=0;
  149.   Lcd_Csa=1;
  150.   Lcd_Csb=1;
  151.   Rs=1;
  152.   Rw=1;
  153. }
  154. //LCM INITIAL
  155. void initallcd(void)
  156. {
  157.   Lcd_Csa=1;
  158.   Lcd_Csb=1;
  159.   Rst=0;
  160.   Delay_ms(50);
  161.   Rst=1;
  162.   Delay_ms(50);
  163.   wrdata(0,0,0,0x3E);
  164.   Delay_ms(5);
  165.   wrdata(0,1,0,0x3E);
  166.   Delay_ms(5);
  167.   wrdata(1,0,0,0x3E);
  168.   Delay_ms(5);
  169.   wrdata(0,0,0,0x3F);
  170.   Delay_ms(5);
  171.   wrdata(0,1,0,0x3F);
  172.   Delay_ms(5);
  173.   wrdata(1,0,0,0x3F);
  174.   Delay_ms(5);
  175. }
  176. void Clear(uchar dat)
  177. {
  178.   uchar i,j;
  179.   uchar page=0xb8;
  180.   for(i=0;i<8;i++)
  181.   {
  182.    wrdata(0,0,0,page|i);
  183.    wrdata(0,0,0,0x40);
  184.    wrdata(0,0,0,0xc0);
  185.    wrdata(0,1,0,page|i);
  186.    wrdata(0,1,0,0x40);
  187.    wrdata(0,1,0,0xc0);
  188.    wrdata(1,0,0,page|i);
  189.    wrdata(1,0,0,0x40);
  190.    wrdata(1,0,0,0xc0);
  191.    for(j=0;j<64;j++)
  192.    {
  193.     wrdata(0,0,1,dat);
  194.     wrdata(0,1,1,dat);
  195.     wrdata(1,0,1,dat);
  196.    }
  197.   }
  198. }
  199.   void disp4848(uchar a,uchar b,uchar c,uchar addr,uchar row,uchar *p)
  200. {
  201.   uchar i,ch;
  202.   addr=0xb8+addr;
  203.   wrdata(a,b,0,addr);
  204.   wrdata(a,b,0,row);
  205.   for(i=0;i<144;i++)
  206.   {
  207.    ch=*p;
  208.    wrdata(a,b,c,ch);
  209.    p++;
  210.    if((i==24)||(i==48)||(i==72)||(i==96)||(i==120))
  211.    {
  212.     wrdata(a,b,0,++addr);
  213.     wrdata(a,b,0,row+1);
  214.    }
  215.   }
  216. }
  217. void Time_ini(void)
  218. {
  219.    TMOD=0x02;
  220.    TH0=6;
  221.    TL0=6;
  222.    TR0=1;
  223.    ET0=1;
  224.    EA=1;
  225. }
  226. void Time0()interrupt 1
  227. {
  228.   TF0=0;
  229.   BTime_Count++;
  230.   if(BTime_Count==2000)
  231.   {
  232.    BTime_Count=0;
  233.    BSec++;
  234.    if(BSec==2)
  235.    {
  236.     BSec=0;Sec++;Sec_Flag=1;
  237.     if(Sec==60)
  238.     {
  239.      Sec=0;Min++;
  240.      if(Min==60)
  241.      {
  242.       Min=0;Hour++;
  243.       if(Hour==24)
  244.       {
  245.        Hour=0;
  246.       }
  247.      }
  248.     }
  249.    }
  250.   }
  251. }
  252.    void Time_Pro(void)
  253.    {
  254.     disp4848(0,0,1,0,0x40,zk3[clock[2]/10]);
  255. disp4848(0,0,1,0,0x58,zk3[clock[2]%10]);
  256. disp4848(1,0,1,0,0x40,zk3[clock[1]/10]);
  257. disp4848(1,0,1,0,0x58,zk3[clock[1]%10]);
  258. disp4848(0,1,1,0,0x40,zk3[clock[0]/10]);
  259. disp4848(0,1,1,0,0x58,zk3[clock[0]%10]);
  260.    }
  261.    void WDisp(void)
  262.    {
  263.     clock[2]=Hour;
  264.     clock[1]=Min;
  265. clock[0]=Sec;
  266.    }
  267.    void RDisp(void)
  268.    {
  269.      Hour=clock[2];
  270.   Min=clock[1];
  271.   Sec=clock[0];
  272.    }
  273.    void main(void)
  274. {
  275.   uchar i;
  276.   initallcd();
  277.   Clear(0x00);
  278.   init();
  279.   for(i=0;i<3;i++)
  280.   {clock[i]=read_add(i);Delay_ms(10);}
  281.   RDisp();
  282.   Time_ini();
  283.   while(1)
  284.   {
  285.    Time_Pro();
  286.    if(Sec_Flag)
  287.    {
  288.      Sec_Flag=0;Led=~Led;WDisp();
  289.     for(i=0;i<3;i++)
  290.     {write_add(i,clock[i]);Delay_ms(10);}
  291.    }        
  292.   }            
  293. }
復(fù)制代碼







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