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Natalia Portillo
2023-12-19 13:41:34 +00:00
parent 868dbf3b75
commit eca03c2a64
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182
Aaru.Decoders/SCSI/Modes/0D.cs Normal file
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// /***************************************************************************
// Aaru Data Preservation Suite
// ----------------------------------------------------------------------------
//
// Filename : 0D.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : Device structures decoders.
//
// --[ Description ] ----------------------------------------------------------
//
// Decodes SCSI MODE PAGE 0Dh: CD-ROM parameteres page.
//
// --[ License ] --------------------------------------------------------------
//
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 2.1 of the
// License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, see <http://www.gnu.org/licenses/>.
//
// ----------------------------------------------------------------------------
// Copyright © 2011-2023 Natalia Portillo
// ****************************************************************************/
using System.Diagnostics.CodeAnalysis;
using System.Text;
namespace Aaru.Decoders.SCSI;
[SuppressMessage("ReSharper", "InconsistentNaming")]
[SuppressMessage("ReSharper", "MemberCanBeInternal")]
[SuppressMessage("ReSharper", "MemberCanBePrivate.Global")]
public static partial class Modes
{
#region Mode Page 0x0D: CD-ROM parameteres page
/// <summary>CD-ROM parameteres page Page code 0x0D 8 bytes in SCSI-2, MMC-1, MMC-2, MMC-3</summary>
public struct ModePage_0D
{
/// <summary>Parameters can be saved</summary>
public bool PS;
/// <summary>Time the drive shall remain in hold track state after seek or read</summary>
public byte InactivityTimerMultiplier;
/// <summary>Seconds per Minute</summary>
public ushort SecondsPerMinute;
/// <summary>Frames per Second</summary>
public ushort FramesPerSecond;
}
public static ModePage_0D? DecodeModePage_0D(byte[] pageResponse)
{
if((pageResponse?[0] & 0x40) == 0x40)
return null;
if((pageResponse?[0] & 0x3F) != 0x0D)
return null;
if(pageResponse[1] + 2 != pageResponse.Length)
return null;
if(pageResponse.Length < 8)
return null;
var decoded = new ModePage_0D();
decoded.PS |= (pageResponse[0] & 0x80) == 0x80;
decoded.InactivityTimerMultiplier = (byte)(pageResponse[3] & 0xF);
decoded.SecondsPerMinute = (ushort)((pageResponse[4] << 8) + pageResponse[5]);
decoded.FramesPerSecond = (ushort)((pageResponse[6] << 8) + pageResponse[7]);
return decoded;
}
public static string PrettifyModePage_0D(byte[] pageResponse) =>
PrettifyModePage_0D(DecodeModePage_0D(pageResponse));
public static string PrettifyModePage_0D(ModePage_0D? modePage)
{
if(!modePage.HasValue)
return null;
ModePage_0D page = modePage.Value;
var sb = new StringBuilder();
sb.AppendLine(Localization.SCSI_CD_ROM_parameters_page);
if(page.PS)
sb.AppendLine("\t" + Localization.Parameters_can_be_saved);
switch(page.InactivityTimerMultiplier)
{
case 0:
sb.AppendLine("\t" +
Localization.
Drive_will_remain_in_track_hold_state_a_vendor_specified_time_after_a_seek_or_read);
break;
case 1:
sb.AppendLine("\t" + Localization.Drive_will_remain_in_track_hold_state_125_ms_after_a_seek_or_read);
break;
case 2:
sb.AppendLine("\t" + Localization.Drive_will_remain_in_track_hold_state_250_ms_after_a_seek_or_read);
break;
case 3:
sb.AppendLine("\t" + Localization.Drive_will_remain_in_track_hold_state_500_ms_after_a_seek_or_read);
break;
case 4:
sb.AppendLine("\t" + Localization.Drive_will_remain_in_track_hold_state_1_second_after_a_seek_or_read);
break;
case 5:
sb.AppendLine("\t" + Localization.Drive_will_remain_in_track_hold_state_2_seconds_after_a_seek_or_read);
break;
case 6:
sb.AppendLine("\t" + Localization.Drive_will_remain_in_track_hold_state_4_seconds_after_a_seek_or_read);
break;
case 7:
sb.AppendLine("\t" + Localization.Drive_will_remain_in_track_hold_state_8_seconds_after_a_seek_or_read);
break;
case 8:
sb.AppendLine("\t" +
Localization.Drive_will_remain_in_track_hold_state_16_seconds_after_a_seek_or_read);
break;
case 9:
sb.AppendLine("\t" +
Localization.Drive_will_remain_in_track_hold_state_32_seconds_after_a_seek_or_read);
break;
case 10:
sb.AppendLine("\t" + Localization.Drive_will_remain_in_track_hold_state_1_minute_after_a_seek_or_read);
break;
case 11:
sb.AppendLine("\t" + Localization.Drive_will_remain_in_track_hold_state_2_minutes_after_a_seek_or_read);
break;
case 12:
sb.AppendLine("\t" + Localization.Drive_will_remain_in_track_hold_state_4_minutes_after_a_seek_or_read);
break;
case 13:
sb.AppendLine("\t" + Localization.Drive_will_remain_in_track_hold_state_8_minutes_after_a_seek_or_read);
break;
case 14:
sb.AppendLine("\t" +
Localization.Drive_will_remain_in_track_hold_state_16_minutes_after_a_seek_or_read);
break;
case 15:
sb.AppendLine("\t" +
Localization.Drive_will_remain_in_track_hold_state_32_minutes_after_a_seek_or_read);
break;
}
if(page.SecondsPerMinute > 0)
sb.AppendFormat("\t" + Localization.Each_minute_has_0_seconds, page.SecondsPerMinute).AppendLine();
if(page.FramesPerSecond > 0)
sb.AppendFormat("\t" + Localization.Each_second_has_0_frames, page.FramesPerSecond).AppendLine();
return sb.ToString();
}
#endregion Mode Page 0x0D: CD-ROM parameteres page
}