public async Task <PipeReadResult> ReadAsync(PipeReadParameters parameters, CancellationToken cancellation)
{
await ThreadingUtils.ContinueAtThreadPull();
var buffer = new byte[parameters.BytesExpected];
for (int i = 0; i < buffer.Length; i++)
{
var data = _port.ReadByte();
if (data == -1)
{
await Task.Delay(1, cancellation);
i--;
}
else
{
buffer[i] = data.ToByte();
}
cancellation.ThrowIfCancellationRequested();
}
return(new PipeReadResult(ReadStatus.DONE, buffer.Length, buffer));
}
public async Task <PipeReadResult> ReadAsync(PipeReadParameters parameters, CancellationToken cancellation)
{
await ThreadingUtils.ContinueAtThreadPull(cancellation);
var buffer = new byte[parameters.BytesExpected];
uint bytesRead = 0;
var status = _ftdi.Read(buffer, parameters.BytesExpected.ToUInt32(), ref bytesRead);
if (status == FT_STATUS.FT_OK)
{
if (bytesRead < parameters.BytesExpected)
{
return(new PipeReadResult(ReadStatus.PATIALLY_DONE, bytesRead.ToInt32(), buffer.Take(bytesRead.ToInt32())));
}
else if (bytesRead == parameters.BytesExpected)
{
return(new PipeReadResult(ReadStatus.DONE, bytesRead.ToInt32(), buffer));
}
else
{
throw new InvalidOperationException();
}
}
else
{
return(new PipeReadResult(ReadStatus.UNKNOWN_ERROR));
}
}
public async Task <PipeReadResult> ReadAsync(PipeReadParameters parameters, CancellationToken cancellation)
{
var buffer = new byte[parameters.BytesExpected];
var bytesRead = Read(buffer, 0, buffer.Length);
var status = bytesRead == buffer.Length
? IOBase.ReadStatus.DONE
: IOBase.ReadStatus.PATIALLY_DONE;
return(new PipeReadResult(status, bytesRead, buffer.Take(bytesRead)));
}
