/// <summary>
/// 保存二进制形式s32p文件
/// </summary>
/// <param name="filename"></param>
/// <param name="portCount"></param>
public void StorePure(string filename, int portCount = 32)
{
int pointCount = 0;
HecSnp hecsnp = GetData(ref pointCount, portCount);
DataConverter.SavePure(filename, hecsnp);
}
/// <summary>
/// 保存SNP文件
/// </summary>
/// <param name="filename">snp文件路径</param>
/// <param name="portCount">端口数</param>
public void StoreS2P(string filename, int portCount)
{
int pointCount = 0;
HecSnp hecsnp = GetData(ref pointCount, portCount);
DataConverter.SaveSnp(filename, hecsnp, portCount);
}
public static HecSnp GetSnp(string hecFilePath)
{
string extensionName = (new FileInfo(hecFilePath)).Extension.ToUpper();
if (extensionName != ".HEC")
{
throw new Exception("only support HEC file!");
}
byte[] allBytes = File.ReadAllBytes(hecFilePath);
int headLength = BitConverter.ToInt32(allBytes, 0);
int idnLength = BitConverter.ToInt32(allBytes, 4);
int dateLength = BitConverter.ToInt32(allBytes, 8);
int freLength = BitConverter.ToInt32(allBytes, 12);
int valueLength = BitConverter.ToInt32(allBytes, 16);
string _head = System.Text.Encoding.Default.GetString(allBytes.Skip(20).Take(headLength).ToArray());
if (_head != _headers)
{
throw new Exception("invalid HEC file!");
}
HecSnp ret = new HecSnp();
ret.Idn = Encoding.Default.GetString(allBytes.Skip(20 + headLength).Take(idnLength).ToArray());
ret.Date = Encoding.Default.GetString(allBytes.Skip(20 + headLength + idnLength).Take(dateLength).ToArray());
ret.Fre = allBytes.Skip(20 + headLength + idnLength + dateLength).Take(freLength).ToArray();
ret.Value = allBytes.Skip(20 + headLength + idnLength + dateLength + freLength).Take(valueLength).ToArray();
return(ret);
}
/// <summary>
/// HEC二进制格式保存
/// 0-3 文件头长度，字符串
/// 4-7 仪器信息长度，字符串
/// 8-11 测试日期字符串长度，字符串
/// 12-15 频率长度，double[]数组
/// 16-19 实部虚部长度，float[]数组
/// 20-结尾 按上面五部分长度划分
/// </summary>
/// <param name="saveFilePath"></param>
/// <param name="hecSnp"></param>
public static void SavePure(string saveFilePath, HecSnp hecSnp)
{
byte[] idn = System.Text.Encoding.Default.GetBytes(hecSnp.Idn);
byte[] date = System.Text.Encoding.Default.GetBytes(hecSnp.Date);
byte[] allBytes = JoinBytes(new[] { headBytes, idn, date, hecSnp.Fre, hecSnp.Value });
using (FileStream writer = new FileStream(saveFilePath, FileMode.Create, FileAccess.ReadWrite))
{
using (BinaryWriter binWtr = new BinaryWriter(writer))
{
binWtr.Write(allBytes);
}
}
}
private HecSnp GetData(ref int pointCount, int portCount)
{
//int pointCount = 0;
HecSnp ret = new HecSnp();
float[] value = SweepStore(ref pointCount, portCount);
var tempBefore_Getfre = BeforeGetfre;
if (tempBefore_Getfre != null)
{
tempBefore_Getfre();
}
gPNA.WriteString("FORM REAL,64", true);
gPNA.WriteString("CALC:MEAS:X?", true);
double[] fre = (double[])gPNA.ReadIEEEBlock(IEEEBinaryType.BinaryType_R8, false, true);
gPNA.WriteString("FORM ASCii,0", true);
var tempOn_Getfre = OnFreGet;
if (tempOn_Getfre != null)
{
tempOn_Getfre(fre);
}
byte[] valueBytes = new byte[value.Length * sizeof(float)];
Buffer.BlockCopy(value, 0, valueBytes, 0, valueBytes.Length);
byte[] freBytes = new byte[fre.Length * sizeof(double)];
Buffer.BlockCopy(fre, 0, freBytes, 0, freBytes.Length);
ret.Idn = IDNinfo;
ret.Date = DateTime.Now.ToString("F");
ret.Fre = freBytes;
ret.Value = valueBytes;
return(ret);
}
public static void SaveSnp(string saveFilePath, HecSnp hecSnp, int portCount)
{
using (StreamWriter writer = File.CreateText(saveFilePath))
{
writer.WriteLine("!" + hecSnp.Idn);
writer.WriteLine("!" + hecSnp.Date);
writer.Write("!S" + portCount.ToString() + "P File: Measurements: <");
for (int i = 1; i <= portCount; i++)
{
writer.Write(ToSParameter(1, i));
if (i != portCount)
{
writer.Write(",");
}
}
writer.WriteLine(">,");
for (int j = 2; j <= portCount; j++)
{
writer.Write("!<");
for (int m = 1; m <= portCount; m++)
{
writer.Write(ToSParameter(j, m));
if (m != portCount)
{
writer.Write(",");
}
}
writer.Write(">");
if (j != portCount)
{
writer.WriteLine(",");
}
else
{
writer.WriteLine(":");
}
}
writer.WriteLine("# Hz S RI R 50");
double[] freDoubles = new Double[hecSnp.Fre.Length / sizeof(double)];
Buffer.BlockCopy(hecSnp.Fre, 0, freDoubles, 0, hecSnp.Fre.Length);
float[] dbFloats = new float[hecSnp.Value.Length / sizeof(float)];
Buffer.BlockCopy(hecSnp.Value, 0, dbFloats, 0, hecSnp.Value.Length);
DataWrapper wrapper = new DataWrapper
{
allData = dbFloats,
pointCount = freDoubles.Length,
portCount = portCount
};
for (int k = 0; k < freDoubles.Length; k++)
{
writer.Write(freDoubles[k].ToString("G17") + " ");
for (int n = 1; n <= portCount; n++)
{
for (int num8 = 1; num8 <= portCount; num8++)
{
writer.Write(wrapper.Real(n, num8, k));
writer.Write(" ");
writer.Write(wrapper.Imag(n, num8, k));
writer.Write(" ");
if (((num8 % 4) == 0) && (num8 != portCount))
{
writer.WriteLine();
}
}
if (n != portCount)
{
writer.WriteLine();
}
}
writer.WriteLine();
}
}
}
