public void TestByteCount()
{
Assert.That(DataFileHandler.GetByteCount(1, 1, DataFileType.Binary), Is.EqualTo(12));
Assert.That(DataFileHandler.GetByteCount(5, 17, DataFileType.Binary), Is.EqualTo(22));
Assert.That(DataFileHandler.GetByteCount(5, 17, DataFileType.Float32), Is.EqualTo(32));
Assert.That(DataFileHandler.GetByteCount(5, 17, DataFileType.Binary32), Is.EqualTo(32));
}
public byte[] ToByteDAT(DataFileType dataFileType, IReadOnlyList <AnalogChannelInformation> analogInformations)
{
var result = new byte[DataFileHandler.GetByteCount(this.analogs.Length, this.digitals.Length, dataFileType)];
int analogOneChannelLength = dataFileType == DataFileType.Binary ? 2 : 4;
int digitalByteStart = 8 + analogOneChannelLength * this.analogs.Length;
System.BitConverter.GetBytes(this.number).CopyTo(result, 0);
System.BitConverter.GetBytes(this.timestamp).CopyTo(result, 4);
switch (dataFileType)
{
case DataFileType.Binary:
this.AnalogsToBinaryDAT(result, analogInformations);
break;
case DataFileType.Binary32:
this.AnalogsToBinary32DAT(result, analogInformations);
break;
case DataFileType.Float32:
this.AnalogsToFloat32DAT(result);
break;
default:
throw new InvalidOperationException("Not supported file type DAT");
}
this.DigitalsToDAT(result, digitalByteStart);
return(result);
}
internal DataFileHandler(string fullPathToFileDAT, ConfigurationHandler configuration)
{
int samplesCount = configuration.sampleRates[configuration.sampleRates.Count - 1].lastSampleNumber;
this.samples = new DataFileSample[samplesCount];
if (configuration.dataFileType == DataFileType.Binary ||
configuration.dataFileType == DataFileType.Binary32 ||
configuration.dataFileType == DataFileType.Float32)
{
var fileContent = System.IO.File.ReadAllBytes(fullPathToFileDAT);
int oneSampleLength = DataFileHandler.GetByteCount(configuration.analogChannelsCount,
configuration.digitalChannelsCount,
configuration.dataFileType);
for (int i = 0; i < samplesCount; i++)
{
var bytes = new byte[oneSampleLength];
for (int j = 0; j < oneSampleLength; j++)
{
bytes[j] = fileContent[i * oneSampleLength + j];
}
this.samples[i] = new DataFileSample(bytes, configuration.dataFileType,
configuration.analogChannelsCount, configuration.digitalChannelsCount);
}
}
else if (configuration.dataFileType == DataFileType.ASCII)
{
var strings = System.IO.File.ReadAllLines(fullPathToFileDAT);
strings = strings.Where(x => x != string.Empty).ToArray(); //removing empty strings (when *.dat file not following Standart)
for (int i = 0; i < samplesCount; i++)
{
this.samples[i] = new DataFileSample(strings[i],
configuration.analogChannelsCount, configuration.digitalChannelsCount);
}
}
}