【文章內(nèi)容簡介】 1, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0,0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01,0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81,0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0,0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01,0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81,0x40}。BYTE auchCRCLo[] = {// CRC值的低字節(jié)列表 0x00, 0xC0, 0xC1, 0x01, 0xC3, 0x03, 0x02, 0xC2, 0xC6, 0x06, 0x07, 0xC7, 0x05, 0xC5, 0xC4,0x04, 0xCC, 0x0C, 0x0D, 0xCD, 0x0F, 0xCF, 0xCE, 0x0E, 0x0A, 0xCA, 0xCB, 0x0B, 0xC9, 0x09,0x08, 0xC8, 0xD8, 0x18, 0x19, 0xD9, 0x1B, 0xDB, 0xDA, 0x1A, 0x1E, 0xDE, 0xDF, 0x1F, 0xDD,0x1D, 0x1C, 0xDC, 0x14, 0xD4, 0xD5, 0x15, 0xD7, 0x17, 0x16, 0xD6, 0xD2, 0x12, 0x13, 0xD3,0x11, 0xD1, 0xD0, 0x10, 0xF0, 0x30, 0x31, 0xF1, 0x33, 0xF3, 0xF2, 0x32, 0x36, 0xF6, 0xF7,0x37, 0xF5, 0x35, 0x34, 0xF4, 0x3C, 0xFC, 0xFD, 0x3D, 0xFF, 0x3F, 0x3E, 0xFE, 0xFA, 0x3A,0x3B, 0xFB, 0x39, 0xF9, 0xF8, 0x38, 0x28, 0xE8, 0xE9, 0x29, 0xEB, 0x2B, 0x2A, 0xEA, 0xEE,0x2E, 0x2F, 0xEF, 0x2D, 0xED, 0xEC, 0x2C, 0xE4, 0x24, 0x25, 0xE5, 0x27, 0xE7, 0xE6, 0x26,0x22, 0xE2, 0xE3, 0x23, 0xE1, 0x21, 0x20, 0xE0, 0xA0, 0x60, 0x61, 0xA1, 0x63, 0xA3, 0xA2,0x62, 0x66, 0xA6, 0xA7, 0x67, 0xA5, 0x65, 0x64, 0xA4, 0x6C, 0xAC, 0xAD, 0x6D, 0xAF, 0x6F,0x6E, 0xAE, 0xAA, 0x6A, 0x6B, 0xAB, 0x69, 0xA9, 0xA8, 0x68, 0x78, 0xB8, 0xB9, 0x79, 0xBB,0x7B, 0x7A, 0xBA, 0xBE, 0x7E, 0x7F, 0xBF, 0x7D, 0xBD, 0xBC, 0x7C, 0xB4, 0x74, 0x75, 0xB5,0x77, 0xB7, 0xB6, 0x76, 0x72, 0xB2, 0xB3, 0x73, 0xB1, 0x71, 0x70, 0xB0, 0x50, 0x90, 0x91,0x51, 0x93, 0x53, 0x52, 0x92, 0x96, 0x56, 0x57, 0x97, 0x55, 0x95, 0x94, 0x54, 0x9C, 0x5C,0x5D, 0x9D, 0x5F, 0x9F, 0x9E, 0x5E, 0x5A, 0x9A, 0x9B, 0x5B, 0x99, 0x59, 0x58, 0x98, 0x88,0x48, 0x49, 0x89, 0x4B, 0x8B, 0x8A, 0x4A, 0x4E, 0x8E, 0x8F, 0x4F, 0x8D, 0x4D, 0x4C, 0x8C,0x44, 0x84, 0x85, 0x45, 0x87, 0x47, 0x46, 0x86, 0x82, 0x42, 0x43, 0x83, 0x41, 0x81, 0x80,0x40}。BYTE CRC16Hi( BYTE * puchMsg, short usDataLen)// 得到CRC的高字節(jié){BYTEuchCRCHi=0xFF。BYTEuchCRCLo=0xFF。BYTEuIndex。while ( usDataLen ){uIndex = uchCRCHi ^ * puchMsg++。uchCRCHi = uchCRCLo ^ auchCRCHi[uIndex]。uchCRCLo = auchCRCLo[uIndex]。}return ( uchCRCHi )。}BYTE CRC16Lo( BYTE * puchMsg, short usDataLen)// 得到CRC的低字節(jié){BYTEuchCRCHi=0xFF。BYTEuchCRCLo=0xFF。BYTEuIndex。while ( usDataLen ){uIndex = uchCRCHi ^ * puchMsg++。uchCRCHi = uchCRCLo ^ auchCRCHi[uIndex]。uchCRCLo = auchCRCLo[uIndex]。}return ( uchCRCLo )。}//// 計(jì)算16位CRC函數(shù)之二//unsigned int CRC(unsigned char *puchMsg, int count){unsigned int CRC=0x0000。unsigned char bit。int i。unsigned char * cp。unsigned char Reverse8(unsigned char ch8)。unsigned int Reverse16(unsigned int ch16)。for( i=0。icount。i++ ){puchMsg[i] = Reverse8(puchMsg[i])。}puchMsg[count] = 0x00。 //在末尾添加16個(gè)0puchMsg[count+1] = 0x00。cp = puchMsg。CRC = (*cp8)|*(cp+1)。cp =cp+2。bit = (CRC15) amp。 0x0001。 //記錄最高位CRC = (CRC1)|(*cp7)。while (count){for (i=0。i8。i++){if (bit != 0)CRC = CRC^0xA001。 //生成多項(xiàng)式為18005bit = (CRC15)amp。0x0001。if (i==7){cp++。CRC = (CRC1)|(*cp7)。}elseCRC = (CRC1)|((*cpamp。(char)pow(2,6i))(6i))。 //pow()為求方函數(shù)}i = 0。}CRC = (CRC1)|(bit15)。CRC = Reverse16(CRC)。return CRC。}unsigned char Reverse8(unsigned char ch8)//把一個(gè)8位的二進(jìn)制數(shù)反序轉(zhuǎn)換{unsigned char ch,b0,b1,b2,b3,b4,b5,b6,b7。b7 = (ch8amp。0x01) 7。b6 = (ch8amp。0x02) 5。b5 = (ch8amp。0x04) 3。b4 = (ch8amp。0x08) 1。b3 = (ch8amp。0x10) 1。b2 = (ch8amp。0x20) 3。b1 = (ch8amp。0x40) 5。b0 = (ch8amp。0x80) 7。ch = b0 | b1 | b2 | b3 | b4 | b5 | b6 | b7。return ch。}unsigned int Reverse16(unsigned int ch16)//把一個(gè)16位的二進(jìn)制數(shù)反序轉(zhuǎn)換{unsigned int TempLo,TempHi,ch。unsigned char Reverse8(unsigned char ch8)。TempLo = ch16 amp。 0x00ff。TempHi = ch16 amp。 0xff00。ch = (Reverse8(TempLo)8)|Reverse8(TempHi8)。return ch。}//// 計(jì)算8位CRC的函數(shù)//unsigned char CRC(unsigned char *puchMsg, int count){unsigned char CRC=0x00。unsigned char bit。int i。unsigned char * cp。puchMsg[count] = 0x00。 //在末尾添加8個(gè)0cp = puchMsg。CRC = *cp。cp =cp+1。bit = (CRC7) amp。 0x01。 //記錄最高位CRC = (CRC1)|(*cp7)。while (count){for (i=0。i8。i++){if (bit != 0)CRC = CRC^0x07。 //生成多項(xiàng)式為107Hbit = (CRC7)amp。0x01。if (i==7){cp++。CRC = (CRC1)|(*cp7)。}elseCRC = (CRC1)|((*cpamp。(char)pow(2,6i))(6i))。 //pow()為求方函數(shù)}i = 0。}CRC = ((CRC1)|(bit7))^0xff。 //陪集碼為0xffreturn CRC。}CRC16校驗(yàn)的程序。==========================================================DATA_BUFFEQU10HCRC_NUMEQU22HCRC_DATAEQU23HCRC_POINTEREQU30H。==========================================================CRC_XORHEQU10H11021=2^16+2^12+2^5+1CRC_XORLEQU21H。==========================================================ORG0000HAJMPMAINMAIN:MOVCRC_DATA,DATA_BUFFMOVCRC_NUM,3ACALLCRCAJMPMAIN。==========================================================。*****RC校驗(yàn)子程序*****。多項(xiàng)式=2^16+2^12+2^5+1=11021H。CRC_DATA進(jìn)行CRC校驗(yàn)的數(shù)據(jù)指針,保存需要進(jìn)行CRC校驗(yàn)的數(shù)據(jù)首址。CRC_POINTER緩沖保存CRC校驗(yàn)數(shù)據(jù)首址。CRC_NUM保存所需進(jìn)行CRC校驗(yàn)的字節(jié)數(shù)。R7所有進(jìn)行CRC校驗(yàn)字節(jié)的位數(shù),=(C