/// <summary>
/// Reads a byte array from the device. The reading is done until all data is read.
/// </summary>
/// <param name="conn">Connection to read bytes from.</param>
/// <param name="specialTimeout">Special timeout (milliseconds). If zero (default value), uses Timeout property value for timeout.</param>
/// <param name="cancellationToken">Cancellation token.</param>
/// <returns>Bytes retrieved from the device.</returns>
public static async Task<byte[]>ReadBytes(this IScpiConnection conn, int specialTimeout = 0, CancellationToken cancellationToken = default)
{
var result = new MemoryStream();
var buffer = new byte[1024];
ReadResult chunk;
do {
chunk = await conn.Read(buffer, -1, specialTimeout, cancellationToken);
result.Write(buffer, 0, chunk.Length);
//response.Append(Encoding.ASCII.GetString(chunk.Data, 0, chunk.Length));
} while (!chunk.Eof && chunk.Length > 0);
return result.ToArray();
}
