📄 数据分析器dlg.cpp
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UINT8 i;
UINT16 CRC = 0;
while(len--)
{
for( i=0x80;i!=0;i>>=1 )
{
if( CRC & 0x8000 )
{
CRC <<= 1;
CRC ^= CRC_16;
}
else
{
CRC <<= 1;
}
if( ( *P & i ) != 0 )
CRC ^= CRC_16;
}
P++;
}
return CRC;
}
#endif
#include <stdio.h>
unsigned int crc32_table[256];
unsigned int ulPolynomial = 0x04c11db7;
unsigned int Reflect(unsigned int ref, char ch)
{
unsigned int value(0);
// 交换bit0和bit7，bit1和bit6，类推
for(int i = 1; i < (ch + 1); i++)
{
if(ref & 1)
value |= 1 << (ch - i);
ref >>= 1;
}
return value;
}
void init_crc32_table()
{
unsigned int crc,temp;
// 256个值
for(int i = 0; i <= 0xFF; i++)
{
temp=Reflect(i, 8);
crc32_table[i]= temp<< 24;
for (int j = 0; j < 8; j++)
{
unsigned int t1,t2;
unsigned int flag=crc32_table[i]&0x80000000;
t1=(crc32_table[i] << 1);
if(flag==0)
t2=0;
else
t2=ulPolynomial;
crc32_table[i] =t1^t2 ;
}
crc=crc32_table[i];
crc32_table[i] = Reflect(crc32_table[i], 32);
}
}
unsigned long GenerateCRC32(unsigned char * DataBuf,unsigned long len)
{
unsigned long oldcrc32;
unsigned long crc32;
unsigned long oldcrc;
unsigned int charcnt;
unsigned char c,t;
FILE * fp;
// oldcrc32 = 0x00000000; //初值为0
oldcrc32 = 0xFFFFFFFF; //初值为0
charcnt=0;
fp = fopen("c:\\result1.txt","w");
while (len--)
{
t= ((oldcrc32 >> 24) & 0xFF); //要移出的字节的值
oldcrc=crc32_table[t]; //根据移出的字节的值查表
c=DataBuf[charcnt]; //新移进来的字节值
oldcrc32= (oldcrc32 << 8) | c; //将新移进来的字节值添在寄存器末字节中
oldcrc32=oldcrc32^oldcrc; //将寄存器与查出的值进行xor运算
charcnt++;
fprintf(fp,"%08X %02X\n ",oldcrc32,c);
}
crc32=oldcrc32;
fclose(fp);
return crc32;
}
void CMyDlg::OnCrc32()
{
// TODO: Add your control notification handler code here
unsigned char *data;
int len;
FILE * fp;
int pos;
unsigned long crcresult = 0;
this->UpdateData();
/*得到文件位置*/
pos = this->GetFilepos(len);
/*得到长度，申请内存*/
if(len <= 0)
{
return;
}
data = (unsigned char *)malloc(len);
/*读取文件内容*/
fp = fopen(m_path,"rb");
if(fp == NULL)
{
return;
}
/*定位文件位置*/
fseek(fp,pos+m_start,SEEK_SET);
fread(data,len,1,fp);
/*调用CRC计算公式，返回CRC*/
// crcresult = GenerateCRC32(data,len);
// MakeCrc((byte *)data,len);
// crcresult = m_crcValue;
crcresult = mycalccrc32(data,len);
/*释放内存*/
free(data);
m_crc.Format("%08X",crcresult);
this->UpdateData(false);
}
#if 1
unsigned int getbit(unsigned int data,int k)
{
unsigned int temp = 0;
temp = (data >> k) & 0x1;
return temp;
}
void setbit(unsigned int * data,int k,unsigned int value)
{
unsigned int temp;
temp = 0x01<< k;
if(value == 0)
{
(*data) &= ~temp;
}
else if(value == 1)
{
(*data) |= temp;
}
else
{
AfxMessageBox("计算错误");
}
}
unsigned int calccrc32(unsigned int c,unsigned char value)
{
unsigned int d;
unsigned int newcrc = 0;
d = (unsigned int )value;
//newcrc[0] = D[6] ^ D[0] ^ C[24] ^ C[30];
setbit(&newcrc,0,getbit(d,6)^getbit(d,0)^getbit(c,24)^getbit(c,30));
// NewCRC[1] = D[7] ^ D[6] ^ D[1] ^ D[0] ^ C[24] ^ C[25] ^ C[30] ^
// C[31];
setbit(&newcrc,1,getbit(d,7)^getbit(d,6)^getbit(d,1)^getbit(d,0)^getbit(c,24)^getbit(c,25)^getbit(c,30)^getbit(c,31));
//NewCRC[2] = D[7] ^ D[6] ^ D[2] ^ D[1] ^ D[0] ^ C[24] ^ C[25] ^
// C[26] ^ C[30] ^ C[31];
setbit(&newcrc,2,getbit(d,7)^getbit(d,6)^getbit(d,2)^getbit(d,1)^getbit(d,0)^getbit(c,24)^getbit(c,25)^getbit(c,26)^getbit(c,30)^getbit(c,31));
//NewCRC[3] = D[7] ^ D[3] ^ D[2] ^ D[1] ^ C[25] ^ C[26] ^ C[27] ^
// C[31];
setbit(&newcrc,3,getbit(d,7)^getbit(d,3)^getbit(d,2)^getbit(d,1)^getbit(c,25)^getbit(c,26)^getbit(c,27)^getbit(c,31));
//NewCRC[4] = D[6] ^ D[4] ^ D[3] ^ D[2] ^ D[0] ^ C[24] ^ C[26] ^
// C[27] ^ C[28] ^ C[30];
setbit(&newcrc,4,getbit(d,6)^getbit(d,4)^getbit(d,3)^getbit(d,2)^getbit(d,0)^getbit(c,24)^getbit(c,26)^getbit(c,27)^getbit(c,28)^getbit(c,30));
//NewCRC[5] = D[7] ^ D[6] ^ D[5] ^ D[4] ^ D[3] ^ D[1] ^ D[0] ^ C[24] ^
// C[25] ^ C[27] ^ C[28] ^ C[29] ^ C[30] ^ C[31];
setbit(&newcrc,5,getbit(d,7)^getbit(d,6)^getbit(d,5)^getbit(d,4)^getbit(d,3)^getbit(d,1)^getbit(d,0)
^getbit(c,24)^getbit(c,25)^getbit(c,27)^getbit(c,28)^getbit(c,29)^getbit(c,30)^getbit(c,31));
// NewCRC[6] = D[7] ^ D[6] ^ D[5] ^ D[4] ^ D[2] ^ D[1] ^ C[25] ^ C[26] ^
// C[28] ^ C[29] ^ C[30] ^ C[31];
setbit(&newcrc,6,getbit(d,7)^getbit(d,6)^getbit(d,5)^getbit(d,4)^getbit(d,2)^getbit(d,1)
^getbit(c,25)^getbit(c,26)^getbit(c,28)^getbit(c,29)^getbit(c,30)^getbit(c,31));
//NewCRC[7] = D[7] ^ D[5] ^ D[3] ^ D[2] ^ D[0] ^ C[24] ^ C[26] ^
// C[27] ^ C[29] ^ C[31];
setbit(&newcrc,7,getbit(d,7)^getbit(d,5)^getbit(d,3)^getbit(d,2)^getbit(d,0)
^getbit(c,24)^getbit(c,26)^getbit(c,27)^getbit(c,29)^getbit(c,31));
//NewCRC[8] = D[4] ^ D[3] ^ D[1] ^ D[0] ^ C[0] ^ C[24] ^ C[25] ^
// C[27] ^ C[28];
setbit(&newcrc,8,getbit(d,4)^getbit(d,3)^getbit(d,1)^getbit(d,0)
^getbit(c,0)^getbit(c,24)^getbit(c,25)^getbit(c,27)^getbit(c,28));
//NewCRC[9] = D[5] ^ D[4] ^ D[2] ^ D[1] ^ C[1] ^ C[25] ^ C[26] ^
// C[28] ^ C[29];
setbit(&newcrc,9,getbit(d,5)^getbit(d,4)^getbit(d,2)^getbit(d,1)
^getbit(c,1)^getbit(c,25)^getbit(c,26)^getbit(c,28)^getbit(c,29));
//NewCRC[10] = D[5] ^ D[3] ^ D[2] ^ D[0] ^ C[2] ^ C[24] ^ C[26] ^
// C[27] ^ C[29];
setbit(&newcrc,10,getbit(d,5)^getbit(d,3)^getbit(d,2)^getbit(d,0)
^getbit(c,2)^getbit(c,24)^getbit(c,26)^getbit(c,27)^getbit(c,29));
//NewCRC[11] = D[4] ^ D[3] ^ D[1] ^ D[0] ^ C[3] ^ C[24] ^ C[25] ^
// C[27] ^ C[28];
setbit(&newcrc,11,getbit(d,4)^getbit(d,3)^getbit(d,1)^getbit(d,0)
^getbit(c,3)^getbit(c,24)^getbit(c,25)^getbit(c,27)^getbit(c,28));
//NewCRC[12] = D[6] ^ D[5] ^ D[4] ^ D[2] ^ D[1] ^ D[0] ^ C[4] ^ C[24] ^
// C[25] ^ C[26] ^ C[28] ^ C[29] ^ C[30];
setbit(&newcrc,12,getbit(d,6)^getbit(d,5)^getbit(d,4)^getbit(d,2)^getbit(d,1)^getbit(d,0)
^getbit(c,4)^getbit(c,24)^getbit(c,25)^getbit(c,26)^getbit(c,28)^getbit(c,29)^getbit(c,30));
//NewCRC[13] = D[7] ^ D[6] ^ D[5] ^ D[3] ^ D[2] ^ D[1] ^ C[5] ^ C[25] ^
// C[26] ^ C[27] ^ C[29] ^ C[30] ^ C[31];
setbit(&newcrc,13,getbit(d,7)^getbit(d,6)^getbit(d,5)^getbit(d,3)^getbit(d,2)^getbit(d,1)
^getbit(c,5)^getbit(c,25)^getbit(c,26)^getbit(c,27)^getbit(c,29)^getbit(c,30)^getbit(c,31));
//NewCRC[14] = D[7] ^ D[6] ^ D[4] ^ D[3] ^ D[2] ^ C[6] ^ C[26] ^ C[27] ^
// C[28] ^ C[30] ^ C[31];
setbit(&newcrc,14,getbit(d,7)^getbit(d,6)^getbit(d,4)^getbit(d,3)^getbit(d,2)
^getbit(c,6)^getbit(c,26)^getbit(c,27)^getbit(c,28)^getbit(c,30)^getbit(c,31));
//NewCRC[15] = D[7] ^ D[5] ^ D[4] ^ D[3] ^ C[7] ^ C[27] ^ C[28] ^
// C[29] ^ C[31];
setbit(&newcrc,15,getbit(d,7)^getbit(d,5)^getbit(d,4)^getbit(d,3)
^getbit(c,7)^getbit(c,27)^getbit(c,28)^getbit(c,29)^getbit(c,31));
//NewCRC[16] = D[5] ^ D[4] ^ D[0] ^ C[8] ^ C[24] ^ C[28] ^ C[29];
setbit(&newcrc,16,getbit(d,5)^getbit(d,4)^getbit(d,0)
^getbit(c,8)^getbit(c,24)^getbit(c,28)^getbit(c,29));
//NewCRC[17] = D[6] ^ D[5] ^ D[1] ^ C[9] ^ C[25] ^ C[29] ^ C[30];
setbit(&newcrc,17,getbit(d,6)^getbit(d,5)^getbit(d,1)
^getbit(c,9)^getbit(c,25)^getbit(c,29)^getbit(c,30));
//NewCRC[18] = D[7] ^ D[6] ^ D[2] ^ C[10] ^ C[26] ^ C[30] ^ C[31];
setbit(&newcrc,18,getbit(d,7)^getbit(d,6)^getbit(d,2)
^getbit(c,10)^getbit(c,26)^getbit(c,30)^getbit(c,31));
//NewCRC[19] = D[7] ^ D[3] ^ C[11] ^ C[27] ^ C[31];
setbit(&newcrc,19,getbit(d,7)^getbit(d,3)
^getbit(c,11)^getbit(c,27)^getbit(c,31));
//NewCRC[20] = D[4] ^ C[12] ^ C[28];
setbit(&newcrc,20,getbit(d,4)
^getbit(c,12)^getbit(c,28));
//NewCRC[21] = D[5] ^ C[13] ^ C[29];
setbit(&newcrc,21,getbit(d,5)
^getbit(c,13)^getbit(c,29));
//NewCRC[22] = D[0] ^ C[14] ^ C[24];
setbit(&newcrc,22,getbit(d,0)
^getbit(c,14)^getbit(c,24));
//NewCRC[23] = D[6] ^ D[1] ^ D[0] ^ C[15] ^ C[24] ^ C[25] ^ C[30];
setbit(&newcrc,23,getbit(d,6)^getbit(d,1)^getbit(d,0)
^getbit(c,15)^getbit(c,24)^getbit(c,25)^getbit(c,30));
//NewCRC[24] = D[7] ^ D[2] ^ D[1] ^ C[16] ^ C[25] ^ C[26] ^ C[31];
setbit(&newcrc,24,getbit(d,7)^getbit(d,2)^getbit(d,1)
^getbit(c,16)^getbit(c,25)^getbit(c,26)^getbit(c,31));
//NewCRC[25] = D[3] ^ D[2] ^ C[17] ^ C[26] ^ C[27];
setbit(&newcrc,25,getbit(d,3)^getbit(d,2)
^getbit(c,17)^getbit(c,26)^getbit(c,27));
//NewCRC[26] = D[6] ^ D[4] ^ D[3] ^ D[0] ^ C[18] ^ C[24] ^ C[27] ^
// C[28] ^ C[30];
setbit(&newcrc,26,getbit(d,6)^getbit(d,4)^getbit(d,3)^getbit(d,0)
^getbit(c,18)^getbit(c,24)^getbit(c,27)^getbit(c,28)^getbit(c,30));
//NewCRC[27] = D[7] ^ D[5] ^ D[4] ^ D[1] ^ C[19] ^ C[25] ^ C[28] ^
// C[29] ^ C[31];
setbit(&newcrc,27,getbit(d,7)^getbit(d,5)^getbit(d,4)^getbit(d,1)
^getbit(c,19)^getbit(c,25)^getbit(c,28)^getbit(c,29)^getbit(c,31));
//NewCRC[28] = D[6] ^ D[5] ^ D[2] ^ C[20] ^ C[26] ^ C[29] ^ C[30];
setbit(&newcrc,28,getbit(d,6)^getbit(d,5)^getbit(d,2)
^getbit(c,20)^getbit(c,26)^getbit(c,29)^getbit(c,30));
//NewCRC[29] = D[7] ^ D[6] ^ D[3] ^ C[21] ^ C[27] ^ C[30] ^ C[31];
setbit(&newcrc,29,getbit(d,7)^getbit(d,6)^getbit(d,3)
^getbit(c,21)^getbit(c,27)^getbit(c,30)^getbit(c,31));
//NewCRC[30] = D[7] ^ D[4] ^ C[22] ^ C[28] ^ C[31];
setbit(&newcrc,30,getbit(d,7)^getbit(d,4)
^getbit(c,22)^getbit(c,28)^getbit(c,31));
//NewCRC[31] = D[5] ^ C[23] ^ C[29];
setbit(&newcrc,31,getbit(d,5)
^getbit(c,23)^getbit(c,29));
return newcrc;
}
unsigned int mycalccrc32(unsigned char * data,int len)
{
unsigned int crc = 0xFFFFFFFF;
FILE * fp;
fp = fopen("c:\\r1.txt","w");
for(int i=0;i<len;i++)
{
fprintf(fp,"%08X %02X\n",crc,data[i]);
crc = calccrc32(crc,data[i]);
}
fprintf(fp,"%08X\n",crc);
fclose(fp);
return crc;
}
#endif
static unsigned int CrcSeed = 0xFFFFFFFF;
static unsigned int CrcTable[256] ={
0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA, 0x076DC419, 0x706AF48F, 0xE963A535, 0x9E6495A3, 0x0EDB8832, 0x79DCB8A4,
0xE0D5E91E, 0x97D2D988, 0x09B64C2B, 0x7EB17CBD, 0xE7B82D07, 0x90BF1D91, 0x1DB71064, 0x6AB020F2, 0xF3B97148, 0x84BE41DE,
0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7, 0x136C9856, 0x646BA8C0, 0xFD62F97A, 0x8A65C9EC, 0x14015C4F, 0x63066CD9,
0xFA0F3D63, 0x8D080DF5, 0x3B6E20C8, 0x4C69105E, 0xD56041E4, 0xA2677172, 0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B,
0x35B5A8FA, 0x42B2986C, 0xDBBBC9D6, 0xACBCF940, 0x32D86CE3, 0x45DF5C75, 0xDCD60DCF, 0xABD13D59, 0x26D930AC, 0x51DE003A,
0xC8D75180, 0xBFD06116, 0x21B4F4B5, 0x56B3C423, 0xCFBA9599, 0xB8BDA50F, 0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924,
0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D, 0x76DC4190, 0x01DB7106, 0x98D220BC, 0xEFD5102A, 0x71B18589, 0x06B6B51F,
0x9FBFE4A5, 0xE8B8D433, 0x7807C9A2, 0x0F00F934, 0x9609A88E, 0xE10E9818, 0x7F6A0DBB, 0x086D3D2D, 0x91646C97, 0xE6635C01,
0x6B6B51F4, 0x1C6C6162, 0x856530D8, 0xF262004E, 0x6C0695ED, 0x1B01A57B, 0x8208F4C1, 0xF50FC457, 0x65B0D9C6, 0x12B7E950,
0x8BBEB8EA, 0xFCB9887C, 0x62DD1DDF, 0x15DA2D49, 0x8CD37CF3, 0xFBD44C65, 0x4DB26158, 0x3AB551CE, 0xA3BC0074, 0xD4BB30E2,
0x4ADFA541, 0x3DD895D7, 0xA4D1C46D, 0xD3D6F4FB, 0x4369E96A, 0x346ED9FC, 0xAD678846, 0xDA60B8D0, 0x44042D73, 0x33031DE5,
0xAA0A4C5F, 0xDD0D7CC9, 0x5005713C, 0x270241AA, 0xBE0B1010, 0xC90C2086, 0x5768B525, 0x206F85B3, 0xB966D409, 0xCE61E49F,
0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4, 0x59B33D17, 0x2EB40D81, 0xB7BD5C3B, 0xC0BA6CAD, 0xEDB88320, 0x9ABFB3B6,
0x03B6E20C, 0x74B1D29A, 0xEAD54739, 0x9DD277AF, 0x04DB2615, 0x73DC1683, 0xE3630B12, 0x94643B84, 0x0D6D6A3E, 0x7A6A5AA8,
0xE40ECF0B, 0x9309FF9D, 0x0A00AE27, 0x7D079EB1, 0xF00F9344, 0x8708A3D2, 0x1E01F268, 0x6906C2FE, 0xF762575D, 0x806567CB,
0x196C3671, 0x6E6B06E7, 0xFED41B76, 0x89D32BE0, 0x10DA7A5A, 0x67DD4ACC, 0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43, 0x60B08ED5,
0xD6D6A3E8, 0xA1D1937E, 0x38D8C2C4, 0x4FDFF252, 0xD1BB67F1, 0xA6BC5767, 0x3FB506DD, 0x48B2364B, 0xD80D2BDA, 0xAF0A1B4C,
0x36034AF6, 0x41047A60, 0xDF60EFC3, 0xA867DF55, 0x316E8EEF, 0x4669BE79, 0xCB61B38C, 0xBC66831A, 0x256FD2A0, 0x5268E236,
0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F, 0xC5BA3BBE, 0xB2BD0B28, 0x2BB45A92, 0x5CB36A04, 0xC2D7FFA7, 0xB5D0CF31,
0x2CD99E8B, 0x5BDEAE1D, 0x9B64C2B0, 0xEC63F226, 0x756AA39C, 0x026D930A, 0x9C0906A9, 0xEB0E363F, 0x72076785, 0x05005713,
0x95BF4A82, 0xE2B87A14, 0x7BB12BAE, 0x0CB61B38, 0x92D28E9B, 0xE5D5BE0D, 0x7CDCEFB7, 0x0BDBDF21, 0x86D3D2D4, 0xF1D4E242,
0x68DDB3F8, 0x1FDA836E, 0x81BE16CD, 0xF6B9265B, 0x6FB077E1, 0x18B74777, 0x88085AE6, 0xFF0F6A70, 0x66063BCA, 0x11010B5C,
0x8F659EFF, 0xF862AE69, 0x616BFFD3, 0x166CCF45, 0xA00AE278, 0xD70DD2EE, 0x4E048354, 0x3903B3C2, 0xA7672661, 0xD06016F7,
0x4969474D, 0x3E6E77DB, 0xAED16A4A, 0xD9D65ADC, 0x40DF0B66, 0x37D83BF0, 0xA9BCAE53, 0xDEBB9EC5, 0x47B2CF7F, 0x30B5FFE9,
0xBDBDF21C, 0xCABAC28A, 0x53B39330, 0x24B4A3A6, 0xBAD03605, 0xCDD70693, 0x54DE5729, 0x23D967BF, 0xB3667A2E, 0xC4614AB8,
0x5D681B02, 0x2A6F2B94, 0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B, 0x2D02EF8D
};
#if 1
void MakeCrc(byte buf[], int len)
{
m_crcValue = 0;
m_crcValue ^= CrcSeed;
int i=0;
FILE * fp;
fp = fopen("c:\\result.txt","w");
while (--len >= 0)
{
m_crcValue = CrcTable[(m_crcValue ^ buf[i++]) & 0xFF] ^ (m_crcValue >> 8);
fprintf(fp,"%08X %02X\n ",m_crcValue,buf[i-1]);
}
fclose(fp);
m_crcValue ^= CrcSeed;
}
#endif
void CMyDlg::OnTongji()
{
// TODO: Add your control notification handler code here
int count,width;
CString str;
count = m_Grid.GetRowCount();
m_k = 0;
m_charnum = 0;
for(int i=1;i<count;i++)
{
/*获取当前行的位数*/
str = m_Grid.GetItemText(i,3);
width = atoi(str);
if(width > 0)
{
m_charnum+=width;
}
}
m_charnum /= 8;
this->UpdateData(false);
}
void CMyDlg::OnClear()
{
// TODO: Add your control notification handler code here
this->InitGrid();
}
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