Пример #1
0
        /// <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;
        }
Пример #2
0
		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;
		}