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PublicFunc.cpp
资源名称：IEC101-104RTU.rar　[点击查看]
上传用户：asikq0571
上传日期：2014-07-12
资源大小：528k
文件大小：5k
源码类别：

Internet/IE编程

开发平台：

Visual C++

PublicFunc.cpp：源码内容
  1. #include "stdafx.h"
  2. #include "PublicFunc.h"
  3. #ifdef _DEBUG
  4. #undef THIS_FILE
  5. static char THIS_FILE[]=__FILE__;
  6. #define new DEBUG_NEW
  7. #endif
  10. //CRC校验查表法，多项式：8005，起始值：FFFF，右移，16位
  12. BYTE CRCtableHi[] = {
  13.         
  14. 0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,
  15. 0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,
  16. 0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,
  17. 0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,
  18. 0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,
  19. 0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,
  20. 0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,
  21. 0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,
  22. 0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,
  23. 0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,
  24. 0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,
  25. 0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,
  26. 0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,
  27. 0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,
  28. 0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,
  29. 0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40
  30. } ;  
  32. BYTE CRCtableLo[] = {
  34. 0x00,0xC0,0xC1,0x01,0xC3,0x03,0x02,0xC2,0xC6,0x06,0x07,0xC7,0x05,0xC5,0xC4,0x04,
  35. 0xCC,0x0C,0x0D,0xCD,0x0F,0xCF,0xCE,0x0E,0x0A,0xCA,0xCB,0x0B,0xC9,0x09,0x08,0xC8,
  36. 0xD8,0x18,0x19,0xD9,0x1B,0xDB,0xDA,0x1A,0x1E,0xDE,0xDF,0x1F,0xDD,0x1D,0x1C,0xDC,
  37. 0x14,0xD4,0xD5,0x15,0xD7,0x17,0x16,0xD6,0xD2,0x12,0x13,0xD3,0x11,0xD1,0xD0,0x10,
  38. 0xF0,0x30,0x31,0xF1,0x33,0xF3,0xF2,0x32,0x36,0xF6,0xF7,0x37,0xF5,0x35,0x34,0xF4,
  39. 0x3C,0xFC,0xFD,0x3D,0xFF,0x3F,0x3E,0xFE,0xFA,0x3A,0x3B,0xFB,0x39,0xF9,0xF8,0x38,
  40. 0x28,0xE8,0xE9,0x29,0xEB,0x2B,0x2A,0xEA,0xEE,0x2E,0x2F,0xEF,0x2D,0xED,0xEC,0x2C,
  41. 0xE4,0x24,0x25,0xE5,0x27,0xE7,0xE6,0x26,0x22,0xE2,0xE3,0x23,0xE1,0x21,0x20,0xE0,
  42. 0xA0,0x60,0x61,0xA1,0x63,0xA3,0xA2,0x62,0x66,0xA6,0xA7,0x67,0xA5,0x65,0x64,0xA4,
  43. 0x6C,0xAC,0xAD,0x6D,0xAF,0x6F,0x6E,0xAE,0xAA,0x6A,0x6B,0xAB,0x69,0xA9,0xA8,0x68,
  44. 0x78,0xB8,0xB9,0x79,0xBB,0x7B,0x7A,0xBA,0xBE,0x7E,0x7F,0xBF,0x7D,0xBD,0xBC,0x7C,
  45. 0xB4,0x74,0x75,0xB5,0x77,0xB7,0xB6,0x76,0x72,0xB2,0xB3,0x73,0xB1,0x71,0x70,0xB0,
  46. 0x50,0x90,0x91,0x51,0x93,0x53,0x52,0x92,0x96,0x56,0x57,0x97,0x55,0x95,0x94,0x54,
  47. 0x9C,0x5C,0x5D,0x9D,0x5F,0x9F,0x9E,0x5E,0x5A,0x9A,0x9B,0x5B,0x99,0x59,0x58,0x98,
  48. 0x88,0x48,0x49,0x89,0x4B,0x8B,0x8A,0x4A,0x4E,0x8E,0x8F,0x4F,0x8D,0x4D,0x4C,0x8C,
  49. 0x44,0x84,0x85,0x45,0x87,0x47,0x46,0x86,0x82,0x42,0x43,0x83,0x41,0x81,0x80,0x40
  50. } ;
  53. //  常用的函数
  54. // 16位CRC校验
  55. WORD GetCRC16Byte(BYTE *inbytes, int CRCNumber)
  56. {
  57.      BYTE crcrigh = 0xFF;     //CRC校验高位寄存器
  58.  BYTE crcrigl = 0xFF;     //CRC校验高位寄存器
  59.      BYTE index = 0x00;
  60.     
  61.  while (CRCNumber--)
  62.  {
  63.           index = crcrigh^(*inbytes++);
  64.   crcrigh = crcrigl^CRCtableHi[index];
  65.       crcrigl = CRCtableLo[index];
  66.  }
  67.  
  68. return ( (crcrigh << 8) | crcrigl );
  69. }
  71. // 字节累加和（8位）
  72. BYTE GetAddByte(BYTE* pByteArray,WORD wLength,WORD wStartIndex)
  73. {
  74.    BYTE addbyte = 0x00;
  76.       for (int i=0; i<wLength; i++)
  77.   addbyte = addbyte + pByteArray[i+wStartIndex];
  79.    return addbyte;
  80. }
  82. //字节转字符
  83. CString ByteToString(const BYTE byte)
  84. {
  85.    
  86. CString zString,hString,lString; //字节字符、高位字符、地位字符
  87. BYTE h4bit,l4bit; //字节高位、低位
  89. //将字节高位转换成字符   
  90. h4bit=byte&0xf0;
  91. h4bit=h4bit>>4;
  92. if (h4bit>=0 && h4bit<=9)
  93. hString=h4bit+0x30;
  94. else if(h4bit>=10 && h4bit<=15)
  95. hString=h4bit+0x37;
  96.     
  97.     //将字节低位转换成字符 
  98. l4bit=byte&0x0f;
  99. if (l4bit>=0 && l4bit<=9)
  100. lString=l4bit+0x30;
  101. else if(l4bit>=10 && l4bit<=15)
  102. lString=l4bit+0x37;
  104.     //字节字符
  105. zString=hString+lString;
  107. return zString;
  108. }
  110. //字节数组转换成字符串
  111. CString ByteArrayToString(BYTE* pByteArray,WORD wLength)
  112. {
  113. CString szResult;
  114. szResult="";
  115. for(int i=0;i<wLength;i++)
  116. szResult = szResult + ByteToString(*(pByteArray+i)) + " ";
  117. return szResult;
  118. }
  120. //字符（有效范围）转整数值
  121. void ChartToInt(char &cVar)
  122. {
  123. if ( cVar>=0x30 && cVar<=0x39 )
  124. cVar = cVar - 0x30;
  125. else if ( cVar>=0x41 && cVar<=0x46 )   //字符 A-F
  126. cVar = cVar - 0x41 + 0x0a;
  127. else if ( cVar>=0x61 && cVar<=0x66 )   //字符 a-f
  128. cVar = cVar - 0x61 + 0x0a;
  129. else
  130. cVar = 0x00;   //非有效字符，置0值
  131. }