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79 lines
3.3 KiB
C#
79 lines
3.3 KiB
C#
// /***************************************************************************
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// Aaru Data Preservation Suite
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// ----------------------------------------------------------------------------
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//
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// Filename : NEC.cs
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// Author(s) : Natalia Portillo <claunia@claunia.com>
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//
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// Component : NEC vendor commands.
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//
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// --[ Description ] ----------------------------------------------------------
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//
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// Contains vendor commands for NEC SCSI devices.
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//
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// --[ License ] --------------------------------------------------------------
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//
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// This library is free software; you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation; either version 2.1 of the
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// License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, see <http://www.gnu.org/licenses/>.
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//
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// ----------------------------------------------------------------------------
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// Copyright © 2011-2025 Natalia Portillo
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// ****************************************************************************/
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using System;
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using Aaru.Logging;
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namespace Aaru.Devices;
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public partial class Device
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{
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/// <summary>Sends the NEC READ CD-DA command</summary>
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/// <returns><c>true</c> if the command failed and <paramref name="senseBuffer" /> contains the sense buffer.</returns>
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/// <param name="buffer">Buffer where the NEC READ CD-DA response will be stored</param>
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/// <param name="senseBuffer">Sense buffer.</param>
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/// <param name="timeout">Timeout in seconds.</param>
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/// <param name="duration">Duration in milliseconds it took for the device to execute the command.</param>
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/// <param name="lba">Start block address.</param>
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/// <param name="transferLength">How many blocks to read.</param>
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public bool NecReadCdDa(out byte[] buffer, out byte[] senseBuffer, uint lba, uint transferLength, uint timeout,
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out double duration)
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{
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senseBuffer = new byte[64];
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Span<byte> cdb = CdbBuffer[..10];
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cdb.Clear();
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cdb[0] = (byte)ScsiCommands.NecReadCdDa;
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cdb[2] = (byte)((lba & 0xFF000000) >> 24);
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cdb[3] = (byte)((lba & 0xFF0000) >> 16);
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cdb[4] = (byte)((lba & 0xFF00) >> 8);
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cdb[5] = (byte)(lba & 0xFF);
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cdb[7] = (byte)((transferLength & 0xFF00) >> 8);
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cdb[8] = (byte)(transferLength & 0xFF);
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buffer = new byte[2352 * transferLength];
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LastError = SendScsiCommand(cdb,
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ref buffer,
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out senseBuffer,
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timeout,
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ScsiDirection.In,
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out duration,
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out bool sense);
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Error = LastError != 0;
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AaruLogging.Debug(SCSI_MODULE_NAME, Localization.NEC_READ_CD_DA_took_0_ms, duration);
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return sense;
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}
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} |