public void TestDigitalByteCount()
{
Assert.That(DataFileHandler.GetDigitalByteCount(7), Is.EqualTo(2));
Assert.That(DataFileHandler.GetDigitalByteCount(16), Is.EqualTo(2));
Assert.That(DataFileHandler.GetDigitalByteCount(17), Is.EqualTo(4));
Assert.That(DataFileHandler.GetDigitalByteCount(32), Is.EqualTo(4));
}
internal static int GetByteCount(int analogsChannelsCount, int digitalChannelsCount, DataFileType dataFileType)
{
int analogOneChannelLength = dataFileType == DataFileType.Binary ? 2 : 4;
return(DataFileHandler.sampleNumberLength +
DataFileHandler.timeStampLength +
analogsChannelsCount * analogOneChannelLength +
DataFileHandler.GetDigitalByteCount(digitalChannelsCount));
}
public DataFileSample(byte[] bytes, DataFileType dataFileType, int analogCount, int digitalCount)
{
this.analogs = new double[analogCount];
this.digitals = new bool[digitalCount];
this.number = System.BitConverter.ToInt32(bytes, 0);
this.timestamp = System.BitConverter.ToInt32(bytes, 4);
int digitalByteStart;
if (dataFileType == DataFileType.Binary)
{
for (int i = 0; i < analogCount; i++)
{
this.analogs[i] = System.BitConverter.ToInt16(bytes, 8 + i * 2);
}
digitalByteStart = 8 + 2 * analogCount;
}
else
{
if (dataFileType == DataFileType.Binary32)
{
for (int i = 0; i < analogCount; i++) //TODO добавить тест
{
this.analogs[i] = System.BitConverter.ToInt32(bytes, 8 + i * 4);
}
}
else if (dataFileType == DataFileType.Float32)
{
for (int i = 0; i < analogCount; i++) //TODO добавить тест
{
this.analogs[i] = System.BitConverter.ToSingle(bytes, 8 + i * 4);
}
}
digitalByteStart = 8 + 4 * analogCount;
}
int digitalByteCount = DataFileHandler.GetDigitalByteCount(digitalCount);
for (int i = 0; i < digitalCount; i++)
{
int digitalByteIterator = i / 8;
this.digitals[i] = Convert.ToBoolean((bytes[digitalByteStart + digitalByteIterator] >> (i - digitalByteIterator * 8)) & 1);
}
}
