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93 lines
3.3 KiB
C#
93 lines
3.3 KiB
C#
// /***************************************************************************
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// The Disc Image Chef
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// ----------------------------------------------------------------------------
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//
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// Filename : 3E_HP.cs
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// Author(s) : Natalia Portillo <claunia@claunia.com>
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//
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// Component : Device structures decoders.
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//
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// --[ Description ] ----------------------------------------------------------
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//
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// Decodes HP MODE PAGE 3Eh: CD-ROM Emulation/Disaster Recovery Mode page.
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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 © 2011-2018 Natalia Portillo
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// ****************************************************************************/
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using System.Text;
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namespace DiscImageChef.Decoders.SCSI
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{
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public static partial class Modes
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{
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#region HP Mode Page 0x3E: CD-ROM Emulation/Disaster Recovery Mode page
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public struct HP_ModePage_3E
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{
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/// <summary>
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/// Parameters can be saved
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/// </summary>
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public bool PS;
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public bool NonAuto;
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public bool CDmode;
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}
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public static HP_ModePage_3E? DecodeHPModePage_3E(byte[] pageResponse)
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{
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if((pageResponse?[0] & 0x40) == 0x40) return null;
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if((pageResponse?[0] & 0x3F) != 0x3E) return null;
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if(pageResponse[1] + 2 != pageResponse.Length) return null;
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if(pageResponse.Length != 4) return null;
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HP_ModePage_3E decoded = new HP_ModePage_3E();
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decoded.PS |= (pageResponse[0] & 0x80) == 0x80;
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decoded.NonAuto |= (pageResponse[2] & 0x02) == 0x02;
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decoded.CDmode |= (pageResponse[2] & 0x01) == 0x01;
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return decoded;
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}
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public static string PrettifyHPModePage_3E(byte[] pageResponse)
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{
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return PrettifyHPModePage_3E(DecodeHPModePage_3E(pageResponse));
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}
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public static string PrettifyHPModePage_3E(HP_ModePage_3E? modePage)
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{
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if(!modePage.HasValue) return null;
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HP_ModePage_3E page = modePage.Value;
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StringBuilder sb = new StringBuilder();
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sb.AppendLine("HP CD-ROM Emulation/Disaster Recovery Mode Page:");
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if(page.PS) sb.AppendLine("\tParameters can be saved");
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if(page.CDmode) sb.AppendLine("\tDrive is emulating a CD-ROM drive");
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else sb.AppendLine("\tDrive is not emulating a CD-ROM drive");
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if(page.NonAuto) sb.AppendLine("\tDrive will not exit emulation automatically");
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return sb.ToString();
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}
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#endregion HP Mode Page 0x3E: CD-ROM Emulation/Disaster Recovery Mode page
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}
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} |