public void ParseSample(byte[] buffer, int offset,
out int value, out int exponent, out DymoScaleUnit unit, out DymoScaleStatus status)
{
value = 0; exponent = 0; unit = 0; status = 0;
if (buffer == null)
{
throw new ArgumentNullException("buffer");
}
if (offset < 0 || buffer.Length - offset < ReportLength)
{
throw new ArgumentException("Not enough bytes.", "offset");
}
if (buffer[offset + 0] != ReportID)
{
throw new IOException("Unexpected report ID.");
}
value = (int)(buffer[offset + 4] | buffer[offset + 5] << 8);
status = (DymoScaleStatus)buffer[offset + 1]; if (status == DymoScaleStatus.StableUnderZero)
{
value = -value;
}
unit = (DymoScaleUnit)buffer[offset + 2];
exponent = (sbyte)buffer[offset + 3];
}
public static string GetNameFromUnit(DymoScaleUnit unit)
{
switch (unit)
{
case DymoScaleUnit.Milligram: return("mg");
case DymoScaleUnit.Gram: return("g");
case DymoScaleUnit.Kilogram: return("kg");
case DymoScaleUnit.Ounce: return("oz");
case DymoScaleUnit.Pound: return("lb");
default: return("?");
}
}
public void ReadSample(out int value, out int exponent, out DymoScaleUnit unit, out DymoScaleStatus status,
out bool buffered)
{
if (Stream == null)
{
throw new InvalidOperationException("Stream not set.");
}
buffered = true;
while (_offset < ReportLength)
{
buffered = false;
int count = Stream.Read(_buffer, _offset, _buffer.Length - _offset);
_offset += count;
}
ParseSample(_buffer, 0, out value, out exponent, out unit, out status);
Array.Copy(_buffer, ReportLength, _buffer, 0, _offset - ReportLength); _offset -= ReportLength;
}
public static string GetNameFromUnit(DymoScaleUnit unit)
{
switch (unit)
{
case DymoScaleUnit.Milligram: return "mg";
case DymoScaleUnit.Gram: return "g";
case DymoScaleUnit.Kilogram: return "kg";
case DymoScaleUnit.Ounce: return "oz";
case DymoScaleUnit.Pound: return "lb";
default: return "?";
}
}
public void ReadSample(out int value, out int exponent, out DymoScaleUnit unit, out DymoScaleStatus status,
out bool buffered)
{
if (Stream == null) { throw new InvalidOperationException("Stream not set."); }
buffered = true;
while (_offset < ReportLength)
{
buffered = false;
int count = Stream.Read(_buffer, _offset, _buffer.Length - _offset);
_offset += count;
}
ParseSample(_buffer, 0, out value, out exponent, out unit, out status);
Array.Copy(_buffer, ReportLength, _buffer, 0, _offset - ReportLength); _offset -= ReportLength;
}
public void ParseSample(byte[] buffer, int offset,
out int value, out int exponent, out DymoScaleUnit unit, out DymoScaleStatus status)
{
value = 0; exponent = 0; unit = 0; status = 0;
if (buffer == null) { throw new ArgumentNullException("buffer"); }
if (offset < 0 || buffer.Length - offset < ReportLength) { throw new ArgumentException("Not enough bytes.", "offset"); }
if (buffer[offset + 0] != ReportID) { throw new IOException("Unexpected report ID."); }
value = (int)(buffer[offset + 4] | buffer[offset + 5] << 8);
status = (DymoScaleStatus)buffer[offset + 1]; if (status == DymoScaleStatus.StableUnderZero) { value = -value; }
unit = (DymoScaleUnit)buffer[offset + 2];
exponent = (sbyte)buffer[offset + 3];
}