public int GetChannelNumberByChannelName(string FileName, string EnName, string CnName)
{
List <CITDataProcess.DataChannelInfo> dci = cdp.GetDataChannelInfoHeadNew(FileName);
int ChannelNumber = -1;
for (int i = 0; i < dci.Count; i++)
{
if ((dci[i].sNameEn.Contains(EnName) && (EnName != "")) || (dci[i].sNameCh.Contains(CnName)) && (CnName != ""))
{
ChannelNumber = i + 1;
break;
}
}
return(ChannelNumber);
}
private void ReadCIT(String citFilePath)
{
if (numericUpDown1.Value <= 0)
{
MessageBox.Show("容许跳变值为 0");
return;
}
try
{
autoIndexClsList.Clear();
dataGridView1.Rows.Clear();
CITDataProcess.DataHeadInfo m_dhi = cdp.GetDataInfoHead(citFilePath);
List <CITDataProcess.DataChannelInfo> m_dcil = cdp.GetDataChannelInfoHeadNew(citFilePath);
FileStream fs = new FileStream(citFilePath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
BinaryReader br = new BinaryReader(fs, Encoding.Default);
br.BaseStream.Position = 0;
br.ReadBytes(120);
br.ReadBytes(65 * m_dhi.iChannelNumber);
br.ReadBytes(BitConverter.ToInt32(br.ReadBytes(4), 0));
int iChannelNumberSize = m_dhi.iChannelNumber * 2;
byte[] b = new byte[iChannelNumberSize];
long milePos = 0;
int km_pre = 0;
int meter_pre = 0;
int km_currrent = 0;
int meter_current = 0;
int meter_between = 0;
int km_index = 0;
int meter_index = 2;
long iArray = (br.BaseStream.Length - br.BaseStream.Position) / iChannelNumberSize;
for (int i = 0; i < iArray; i++)
{
milePos = br.BaseStream.Position;
b = br.ReadBytes(iChannelNumberSize);
if (m_dhi.sDataVersion.StartsWith("3."))
{
b = CITDataProcess.ByteXORByte(b);
}
if (i == 0)
{
//km_pre = (int)(BitConverter.ToInt16(b, km_index) / m_dcil[km_index].fScale + m_dcil[km_index].fOffset);
//meter_pre = (int)(BitConverter.ToInt16(b, meter_index) / m_dcil[meter_index].fScale + m_dcil[meter_index].fOffset);
km_pre = (int)(BitConverter.ToInt16(b, km_index));
meter_pre = (int)(BitConverter.ToInt16(b, meter_index));
}
else
{
//km_currrent = (int)(BitConverter.ToInt16(b, km_index) / m_dcil[km_index].fScale + m_dcil[km_index].fOffset);
//meter_current = (int)(BitConverter.ToInt16(b, meter_index) / m_dcil[meter_index].fScale + m_dcil[meter_index].fOffset);
km_currrent = (int)(BitConverter.ToInt16(b, km_index));
meter_current = (int)(BitConverter.ToInt16(b, meter_index));
meter_between = (km_currrent - km_pre) * 4000 + (meter_current - meter_pre);
if (Math.Abs(meter_between) > numericUpDown1.Value)
{
AutoIndexClass autoIndexCls = new AutoIndexClass();
autoIndexCls.milePos = milePos;
autoIndexCls.km_current = km_currrent;
autoIndexCls.meter_current = meter_current;
autoIndexCls.km_pre = km_pre;
autoIndexCls.meter_pre = meter_pre;
autoIndexCls.meter_between = meter_between;
autoIndexClsList.Add(autoIndexCls);
}
km_pre = km_currrent;
meter_pre = meter_current;
}
}
br.Close();
fs.Close();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}