/// <summary>
/// Perform a SCSI inquiry on the device to get information about the device
/// </summary>
/// <param name="result">The return value describing the inquiry results</param>
/// <returns></returns>
public CommandStatus Inquiry(out InquiryResult result)
{
if (m_logger != null)
{
string args = "out result";
m_logger.LogMessage(new UserMessage(UserMessage.Category.Debug, 8, "Bwg.Scsi.Device.Inquiry(" + args + ")"));
}
result = null;
byte len = 0;
using (Command cmd = new Command(ScsiCommandCode.Inquiry, 6, 36, Command.CmdDirection.In, 10))
{
cmd.SetCDB16(3, 36);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
len = cmd.GetBuffer8(4);
len += 5;
if (len <= cmd.BufferSize)
{
result = new InquiryResult(cmd.GetBuffer(), len);
if (m_logger != null)
m_logger.DumpBuffer(9, "Raw Inquiry Result", cmd.GetBuffer(), len);
return CommandStatus.Success;
}
//
// As an oddity, the Sony DW-G120A only supports requests that are an even number
// of bytes.
//
if ((len % 2) == 1)
len = (byte)((len / 2 * 2) + (((len % 2) == 1) ? 2 : 0));
}
using (Command cmd = new Command(ScsiCommandCode.Inquiry, 6, len, Command.CmdDirection.In, 100))
{
cmd.SetCDB8(4, len);
CommandStatus st = SendCommand(cmd);
if (st != CommandStatus.Success)
return st;
result = new InquiryResult(cmd.GetBuffer(), cmd.BufferSize);
if (m_logger != null)
m_logger.DumpBuffer(9, "Raw Inquiry Result", cmd.GetBuffer(), cmd.BufferSize);
}
return CommandStatus.Success;
}
public bool Open(char Drive)
{
Device.CommandStatus st;
m_inqury_result = null;
// Open the base device
m_device_letter = Drive;
if (m_device != null)
Close();
m_device = new Device(m_logger);
if (!m_device.Open(m_device_letter))
throw new ReadCDException(Resource1.DeviceOpenError, Marshal.GetExceptionForHR(Marshal.GetHRForLastWin32Error()));
//throw new ReadCDException(Resource1.DeviceOpenError + ": " + WinDev.Win32ErrorToString(m_device.LastError));
// Get device info
st = m_device.Inquiry(out m_inqury_result);
if (st != Device.CommandStatus.Success)
throw new SCSIException(Resource1.DeviceInquiryError, m_device, st);
if (!m_inqury_result.Valid || m_inqury_result.PeripheralQualifier != 0 || m_inqury_result.PeripheralDeviceType != Device.MMCDeviceType)
throw new ReadCDException(Resource1.DeviceNotMMC);
m_max_sectors = Math.Min(NSECTORS, m_device.MaximumTransferLength / CB_AUDIO - 1);
//// Open/Initialize the driver
//Drive m_drive = new Drive(dev);
//DiskOperationError status = m_drive.Initialize();
//if (status != null)
// throw new Exception("SCSI error");
// {
//Drive.FeatureState readfeature = m_drive.GetFeatureState(Feature.FeatureType.CDRead);
//if (readfeature == Drive.FeatureState.Error || readfeature == Drive.FeatureState.NotPresent)
// throw new Exception("SCSI error");
// }{
//st = m_device.GetConfiguration(Device.GetConfigType.OneFeature, 0, out flist);
//if (st != Device.CommandStatus.Success)
// return CreateErrorObject(st, m_device);
//Feature f = flist.Features[0];
//ParseProfileList(f.Data);
// }
//SpeedDescriptorList speed_list;
//st = m_device.GetSpeed(out speed_list);
//if (st != Device.CommandStatus.Success)
// throw new Exception("GetSpeed failed: SCSI error");
//m_device.SetCdSpeed(Device.RotationalControl.CLVandNonPureCav, (ushort)(0x7fff), (ushort)(0x7fff));
//int bytesPerSec = 4 * 588 * 75 * (pass > 8 ? 4 : pass > 4 ? 8 : pass > 0 ? 16 : 32);
//Device.CommandStatus st = m_device.SetStreaming(Device.RotationalControl.CLVandNonPureCav, start, end, bytesPerSec, 1, bytesPerSec, 1);
//if (st != Device.CommandStatus.Success)
// System.Console.WriteLine("SetStreaming: ", (st == Device.CommandStatus.DeviceFailed ? Device.LookupSenseError(m_device.GetSenseAsc(), m_device.GetSenseAscq()) : st.ToString()));
//st = m_device.SetCdSpeed(Device.RotationalControl.CLVandNonPureCav, (ushort)(bytesPerSec / 1024), (ushort)(bytesPerSec / 1024));
//if (st != Device.CommandStatus.Success)
// System.Console.WriteLine("SetCdSpeed: ", (st == Device.CommandStatus.DeviceFailed ? Device.LookupSenseError(m_device.GetSenseAsc(), m_device.GetSenseAscq()) : st.ToString()));
//st = m_device.SetCdSpeed(Device.RotationalControl.CLVandNonPureCav, 32767/*Device.OptimumSpeed*/, Device.OptimumSpeed);
//if (st != Device.CommandStatus.Success)
// throw new Exception("SetCdSpeed failed: SCSI error");
IList<TocEntry> toc;
st = m_device.ReadToc((byte)0, false, out toc);
if (st != Device.CommandStatus.Success)
throw new SCSIException(Resource1.ReadTOCError, m_device, st);
//throw new Exception("ReadTOC: " + (st == Device.CommandStatus.DeviceFailed ? Device.LookupSenseError(m_device.GetSenseAsc(), m_device.GetSenseAscq()) : st.ToString()));
//byte[] qdata = null;
//st = m_device.ReadPMA(out qdata);
//if (st != Device.CommandStatus.Success)
// throw new SCSIException("ReadPMA", m_device, st);
//st = m_device.ReadCDText(out cdtext, _timeout);
// new CDTextEncoderDecoder
_toc2 = null;
_toc = new CDImageLayout();
for (int iTrack = 0; iTrack < toc.Count - 1; iTrack++)
_toc.AddTrack(new CDTrack((uint)iTrack + 1,
toc[iTrack].StartSector,
toc[iTrack + 1].StartSector - toc[iTrack].StartSector -
((toc[iTrack + 1].Control < 4 || iTrack + 1 == toc.Count - 1) ? 0U : 152U * 75U),
toc[iTrack].Control < 4,
(toc[iTrack].Control & 1) == 1));
if (_toc.AudioLength > 0)
{
if (_toc[1].IsAudio)
_toc[1][0].Start = 0;
Position = 0;
} else
throw new ReadCDException(Resource1.NoAudio);
UserData = new long[MSECTORS, 2, 4 * 588];
C2Count = new byte[MSECTORS, 294];
return true;
}