/// <summary>
///
/// </summary>
/// <returns></returns>
public CommandStatus SetStreaming(SpeedDescriptor desc)
{
if (m_logger != null)
{
string args = "desc";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.SetStreaming(" + args + ")"));
}
using (Command cmd = new Command(ScsiCommandCode.SetStreaming, 12, 28, Command.CmdDirection.Out, 2))
{
cmd.SetCDB8(8, 0); // Performance Descriptor
cmd.SetCDB16(9, 28); // Length of the performance descriptor
byte b = 0;
if (desc.Exact)
b |= 0x02;
int wrc = (int)(desc.WRC) ;
b |= (byte)(wrc << 3);
cmd.SetBuffer8(0, b); // Control info, byte 0
cmd.SetBuffer32(4, 0); // Start LBA
cmd.SetBuffer32(8, (uint)desc.EndLBA); // End LBA
cmd.SetBuffer32(12, (uint)desc.ReadSpeed); // Read size
cmd.SetBuffer32(16, 1000); // Read time
cmd.SetBuffer32(20, (uint)desc.WriteSpeed); // Write size
cmd.SetBuffer32(24, 1000); // Write time
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
}
return CommandStatus.Success;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public CommandStatus SetStreaming(RotationalControl rot, int startlba, int endlba, int readsize, int readtime, int writesize, int writetime)
{
if (m_logger != null)
{
string args = "desc";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.SetStreaming(" + args + ")"));
}
using (Command cmd = new Command(ScsiCommandCode.SetStreaming, 12, 28, Command.CmdDirection.Out, 60*5))
{
cmd.SetCDB8(8, 0); // Performance Descriptor
cmd.SetCDB16(9, 28); // Length of the performance descriptor
byte b = 0;
int wrc = (int)rot;
b |= (byte)(wrc << 3);
cmd.SetBuffer8(0, b); // Control info, byte 0
cmd.SetBuffer32(4, (uint)startlba); // Start LBA
cmd.SetBuffer32(8, (uint)endlba); // End LBA
cmd.SetBuffer32(12, (uint)readsize); // Read size
cmd.SetBuffer32(16, (uint)readtime); // Read time
cmd.SetBuffer32(20, (uint)writesize); // Write size
cmd.SetBuffer32(24, (uint)writetime); // Write time
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
}
return CommandStatus.Success;
}
/// <summary>
/// Send the layer boundary information to the drive.
/// </summary>
/// <param name="boundary">the location of the boundary between layers in blocks</param>
/// <returns>the status of the command</returns>
public CommandStatus SendDvdLayerBoundaryInformation(uint boundary)
{
if (m_logger != null)
{
string args = "SendDvdLayerBoundaryInformation, boundary=" + boundary.ToString();
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.SendDvdStructure(" + args + ")"));
}
using (Command cmd = new Command(ScsiCommandCode.SendDvdStructure, 12, 12, Command.CmdDirection.Out, 5 * 60))
{
cmd.SetCDB8(7, 0x20);
cmd.SetCDB16(8, 12);
cmd.SetBuffer16(0, 10);
cmd.SetBuffer32(8, boundary);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
}
return CommandStatus.Success;
}
