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Implement decoding mode page 0Dh.

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This commit is contained in:
Natalia Portillo
2015-10-30 17:11:16 +00:00
parent 9b5e2d5d0a
commit 9ac244f639
2 changed files with 133 additions and 0 deletions
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128
DiscImageChef.Decoders/SCSI/Modes.cs
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@@ -3009,6 +3009,134 @@ namespace DiscImageChef.Decoders.SCSI
return sb.ToString();
}
#endregion Mode Page 0x0E: CD-ROM audio control parameters page
#region Mode Page 0x0D: CD-ROM parameteres page
/// <summary>
/// CD-ROM parameteres page
/// Page code 0x0D
/// 8 bytes in SCSI-2
/// </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 == null)
return null;
if ((pageResponse[0] & 0x3F) != 0x0D)
return null;
if (pageResponse[1] + 2 != pageResponse.Length)
return null;
if (pageResponse.Length < 8)
return null;
ModePage_0D 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)
{
return PrettifyModePage_0D(DecodeModePage_0D(pageResponse));
}
public static string PrettifyModePage_0D(ModePage_0D? modePage)
{
if (!modePage.HasValue)
return null;
ModePage_0D page = modePage.Value;
StringBuilder sb = new StringBuilder();
sb.AppendLine("SCSI CD-ROM parameters page:");
if (page.PS)
sb.AppendLine("\tParameters can be saved");
switch (page.InactivityTimerMultiplier)
{
case 0:
sb.AppendLine("Drive will remain in track hold state a vendor-specified time after a seek or read");
break;
case 1:
sb.AppendLine("Drive will remain in track hold state 125 ms after a seek or read");
break;
case 2:
sb.AppendLine("Drive will remain in track hold state 250 ms after a seek or read");
break;
case 3:
sb.AppendLine("Drive will remain in track hold state 500 ms after a seek or read");
break;
case 4:
sb.AppendLine("Drive will remain in track hold state 1 second after a seek or read");
break;
case 5:
sb.AppendLine("Drive will remain in track hold state 2 seconds after a seek or read");
break;
case 6:
sb.AppendLine("Drive will remain in track hold state 4 seconds after a seek or read");
break;
case 7:
sb.AppendLine("Drive will remain in track hold state 8 seconds after a seek or read");
break;
case 8:
sb.AppendLine("Drive will remain in track hold state 16 seconds after a seek or read");
break;
case 9:
sb.AppendLine("Drive will remain in track hold state 32 seconds after a seek or read");
break;
case 10:
sb.AppendLine("Drive will remain in track hold state 1 minute after a seek or read");
break;
case 11:
sb.AppendLine("Drive will remain in track hold state 2 minutes after a seek or read");
break;
case 12:
sb.AppendLine("Drive will remain in track hold state 4 minutes after a seek or read");
break;
case 13:
sb.AppendLine("Drive will remain in track hold state 8 minutes after a seek or read");
break;
case 14:
sb.AppendLine("Drive will remain in track hold state 16 minutes after a seek or read");
break;
case 15:
sb.AppendLine("Drive will remain in track hold state 32 minutes after a seek or read");
break;
}
if (page.SecondsPerMinute > 0)
sb.AppendFormat("Each minute has {0} seconds", page.SecondsPerMinute).AppendLine();
if (page.FramesPerSecond > 0)
sb.AppendFormat("Each second has {0} frames", page.FramesPerSecond).AppendLine();
return sb.ToString();
}
#endregion Mode Page 0x0D: CD-ROM parameteres page
}
}