求校验和.txt
来自「串口通信中的求校验和」· 文本 代码 · 共 444 行
TXT
444 行
求校验和
CString CChecksumDlg::SendNMEAData(CString &strData)
{
char checksum = 0, cr = 13, ln = 10;
char c1,c2; //2个半Byte校验值
for(int i = 0; i < strData.GetLength(); i++)
checksum = checksum^strData[i];
c2 = checksum & 0x0f;
c1 = (checksum >> 4) & 0x0f;
if(c1 < 10)
c1 += '0';
else
c1 += 'A' - 10;
if(c2 < 10)
c2 += '0';
else
c2 += 'A' - 10;
CString str;
str = '$' + strData +'*'+c1+c2+cr+ln;
return str;
}
求校验和
CString CChecksumDlg::SendNMEAData(CString &strData)
{
char checksum = 0, cr = 13, ln = 10;
char c1,c2; //2个半Byte校验值
for(int i = 0; i < strData.GetLength(); i++)
checksum = checksum^strData[i];
c2 = checksum & 0x0f;
c1 = (checksum >> 4) & 0x0f;
if(c1 < 10)
c1 += '0';
else
c1 += 'A' - 10;
if(c2 < 10)
c2 += '0';
else
c2 += 'A' - 10;
CString str;
str = '$' + strData +'*'+c1+c2+cr+ln;
return str;
}
求校验和
CString CChecksumDlg::SendNMEAData(CString &strData)
{
char checksum = 0, cr = 13, ln = 10;
char c1,c2; //2个半Byte校验值
for(int i = 0; i < strData.GetLength(); i++)
checksum = checksum^strData[i];
c2 = checksum & 0x0f;
c1 = (checksum >> 4) & 0x0f;
if(c1 < 10)
c1 += '0';
else
c1 += 'A' - 10;
if(c2 < 10)
c2 += '0';
else
c2 += 'A' - 10;
CString str;
str = '$' + strData +'*'+c1+c2+cr+ln;
return str;
}
求校验和
CString CChecksumDlg::SendNMEAData(CString &strData)
{
char checksum = 0, cr = 13, ln = 10;
char c1,c2; //2个半Byte校验值
for(int i = 0; i < strData.GetLength(); i++)
checksum = checksum^strData[i];
c2 = checksum & 0x0f;
c1 = (checksum >> 4) & 0x0f;
if(c1 < 10)
c1 += '0';
else
c1 += 'A' - 10;
if(c2 < 10)
c2 += '0';
else
c2 += 'A' - 10;
CString str;
str = '$' + strData +'*'+c1+c2+cr+ln;
return str;
}
求校验和
CString CChecksumDlg::SendNMEAData(CString &strData)
{
char checksum = 0, cr = 13, ln = 10;
char c1,c2; //2个半Byte校验值
for(int i = 0; i < strData.GetLength(); i++)
checksum = checksum^strData[i];
c2 = checksum & 0x0f;
c1 = (checksum >> 4) & 0x0f;
if(c1 < 10)
c1 += '0';
else
c1 += 'A' - 10;
if(c2 < 10)
c2 += '0';
else
c2 += 'A' - 10;
CString str;
str = '$' + strData +'*'+c1+c2+cr+ln;
return str;
}
求校验和
CString CChecksumDlg::SendNMEAData(CString &strData)
{
char checksum = 0, cr = 13, ln = 10;
char c1,c2; //2个半Byte校验值
for(int i = 0; i < strData.GetLength(); i++)
checksum = checksum^strData[i];
c2 = checksum & 0x0f;
c1 = (checksum >> 4) & 0x0f;
if(c1 < 10)
c1 += '0';
else
c1 += 'A' - 10;
if(c2 < 10)
c2 += '0';
else
c2 += 'A' - 10;
CString str;
str = '$' + strData +'*'+c1+c2+cr+ln;
return str;
}
求校验和
CString CChecksumDlg::SendNMEAData(CString &strData)
{
char checksum = 0, cr = 13, ln = 10;
char c1,c2; //2个半Byte校验值
for(int i = 0; i < strData.GetLength(); i++)
checksum = checksum^strData[i];
c2 = checksum & 0x0f;
c1 = (checksum >> 4) & 0x0f;
if(c1 < 10)
c1 += '0';
else
c1 += 'A' - 10;
if(c2 < 10)
c2 += '0';
else
c2 += 'A' - 10;
CString str;
str = '$' + strData +'*'+c1+c2+cr+ln;
return str;
}
求校验和
CString CChecksumDlg::SendNMEAData(CString &strData)
{
char checksum = 0, cr = 13, ln = 10;
char c1,c2; //2个半Byte校验值
for(int i = 0; i < strData.GetLength(); i++)
checksum = checksum^strData[i];
c2 = checksum & 0x0f;
c1 = (checksum >> 4) & 0x0f;
if(c1 < 10)
c1 += '0';
else
c1 += 'A' - 10;
if(c2 < 10)
c2 += '0';
else
c2 += 'A' - 10;
CString str;
str = '$' + strData +'*'+c1+c2+cr+ln;
return str;
}
求校验和
CString CChecksumDlg::SendNMEAData(CString &strData)
{
char checksum = 0, cr = 13, ln = 10;
char c1,c2; //2个半Byte校验值
for(int i = 0; i < strData.GetLength(); i++)
checksum = checksum^strData[i];
c2 = checksum & 0x0f;
c1 = (checksum >> 4) & 0x0f;
if(c1 < 10)
c1 += '0';
else
c1 += 'A' - 10;
if(c2 < 10)
c2 += '0';
else
c2 += 'A' - 10;
CString str;
str = '$' + strData +'*'+c1+c2+cr+ln;
return str;
}
求校验和
CString CChecksumDlg::SendNMEAData(CString &strData)
{
char checksum = 0, cr = 13, ln = 10;
char c1,c2; //2个半Byte校验值
for(int i = 0; i < strData.GetLength(); i++)
checksum = checksum^strData[i];
c2 = checksum & 0x0f;
c1 = (checksum >> 4) & 0x0f;
if(c1 < 10)
c1 += '0';
else
c1 += 'A' - 10;
if(c2 < 10)
c2 += '0';
else
c2 += 'A' - 10;
CString str;
str = '$' + strData +'*'+c1+c2+cr+ln;
return str;
}
求校验和
CString CChecksumDlg::SendNMEAData(CString &strData)
{
char checksum = 0, cr = 13, ln = 10;
char c1,c2; //2个半Byte校验值
for(int i = 0; i < strData.GetLength(); i++)
checksum = checksum^strData[i];
c2 = checksum & 0x0f;
c1 = (checksum >> 4) & 0x0f;
if(c1 < 10)
c1 += '0';
else
c1 += 'A' - 10;
if(c2 < 10)
c2 += '0';
else
c2 += 'A' - 10;
CString str;
str = '$' + strData +'*'+c1+c2+cr+ln;
return str;
}
求校验和
CString CChecksumDlg::SendNMEAData(CString &strData)
{
char checksum = 0, cr = 13, ln = 10;
char c1,c2; //2个半Byte校验值
for(int i = 0; i < strData.GetLength(); i++)
checksum = checksum^strData[i];
c2 = checksum & 0x0f;
c1 = (checksum >> 4) & 0x0f;
if(c1 < 10)
c1 += '0';
else
c1 += 'A' - 10;
if(c2 < 10)
c2 += '0';
else
c2 += 'A' - 10;
CString str;
str = '$' + strData +'*'+c1+c2+cr+ln;
return str;
}
求校验和
CString CChecksumDlg::SendNMEAData(CString &strData)
{
char checksum = 0, cr = 13, ln = 10;
char c1,c2; //2个半Byte校验值
for(int i = 0; i < strData.GetLength(); i++)
checksum = checksum^strData[i];
c2 = checksum & 0x0f;
c1 = (checksum >> 4) & 0x0f;
if(c1 < 10)
c1 += '0';
else
c1 += 'A' - 10;
if(c2 < 10)
c2 += '0';
else
c2 += 'A' - 10;
CString str;
str = '$' + strData +'*'+c1+c2+cr+ln;
return str;
}
求校验和
CString CChecksumDlg::SendNMEAData(CString &strData)
{
char checksum = 0, cr = 13, ln = 10;
char c1,c2; //2个半Byte校验值
for(int i = 0; i < strData.GetLength(); i++)
checksum = checksum^strData[i];
c2 = checksum & 0x0f;
c1 = (checksum >> 4) & 0x0f;
if(c1 < 10)
c1 += '0';
else
c1 += 'A' - 10;
if(c2 < 10)
c2 += '0';
else
c2 += 'A' - 10;
CString str;
str = '$' + strData +'*'+c1+c2+cr+ln;
return str;
}
求校验和
CString CChecksumDlg::SendNMEAData(CString &strData)
{
char checksum = 0, cr = 13, ln = 10;
char c1,c2; //2个半Byte校验值
for(int i = 0; i < strData.GetLength(); i++)
checksum = checksum^strData[i];
c2 = checksum & 0x0f;
c1 = (checksum >> 4) & 0x0f;
if(c1 < 10)
c1 += '0';
else
c1 += 'A' - 10;
if(c2 < 10)
c2 += '0';
else
c2 += 'A' - 10;
CString str;
str = '$' + strData +'*'+c1+c2+cr+ln;
return str;
}
求校验和
CString CChecksumDlg::SendNMEAData(CString &strData)
{
char checksum = 0, cr = 13, ln = 10;
char c1,c2; //2个半Byte校验值
for(int i = 0; i < strData.GetLength(); i++)
checksum = checksum^strData[i];
c2 = checksum & 0x0f;
c1 = (checksum >> 4) & 0x0f;
if(c1 < 10)
c1 += '0';
else
c1 += 'A' - 10;
if(c2 < 10)
c2 += '0';
else
c2 += 'A' - 10;
CString str;
str = '$' + strData +'*'+c1+c2+cr+ln;
return str;
}
求校验和
CString CChecksumDlg::SendNMEAData(CString &strData)
{
char checksum = 0, cr = 13, ln = 10;
char c1,c2; //2个半Byte校验值
for(int i = 0; i < strData.GetLength(); i++)
checksum = checksum^strData[i];
c2 = checksum & 0x0f;
c1 = (checksum >> 4) & 0x0f;
if(c1 < 10)
c1 += '0';
else
c1 += 'A' - 10;
if(c2 < 10)
c2 += '0';
else
c2 += 'A' - 10;
CString str;
str = '$' + strData +'*'+c1+c2+cr+ln;
return str;
}
求校验和
CString CChecksumDlg::SendNMEAData(CString &strData)
{
char checksum = 0, cr = 13, ln = 10;
char c1,c2; //2个半Byte校验值
for(int i = 0; i < strData.GetLength(); i++)
checksum = checksum^strData[i];
c2 = checksum & 0x0f;
c1 = (checksum >> 4) & 0x0f;
if(c1 < 10)
c1 += '0';
else
c1 += 'A' - 10;
if(c2 < 10)
c2 += '0';
else
c2 += 'A' - 10;
CString str;
str = '$' + strData +'*'+c1+c2+cr+ln;
return str;
}
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