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Added method for decoding MODE SENSE(10) response.

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This commit is contained in:
Natalia Portillo
2015-10-25 02:08:52 +00:00
parent c60083736e
commit 7874c8be7a
2 changed files with 68 additions and 0 deletions
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63
DiscImageChef.Decoders/SCSI/Modes.cs
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@@ -881,6 +881,69 @@ namespace DiscImageChef.Decoders.SCSI
return sb.ToString();
}
public static ModeHeader? DecodeModeHeader10(byte[] modeResponse, PeripheralDeviceTypes deviceType)
{
if (modeResponse == null || modeResponse.Length < 8)
return null;
ushort modeLength;
ushort blockDescLength;
modeLength = (ushort)((modeResponse[0] << 8) + modeResponse[1]);
blockDescLength = (ushort)((modeResponse[6] << 8) + modeResponse[7]);
if (modeResponse.Length < modeLength)
return null;
ModeHeader header = new ModeHeader();
header.MediumType = (MediumTypes)modeResponse[2];
if (blockDescLength > 0)
{
header.BlockDescriptors = new BlockDescriptor[blockDescLength/8];
for (int i = 0; i < header.BlockDescriptors.Length; i++)
{
header.BlockDescriptors[i].Density = (DensityType)modeResponse[0 + i * 8 + 8];
header.BlockDescriptors[i].Blocks += (ulong)(modeResponse[1 + i * 8 + 8] << 16);
header.BlockDescriptors[i].Blocks += (ulong)(modeResponse[2 + i * 8 + 8] << 8);
header.BlockDescriptors[i].Blocks += modeResponse[3 + i * 8 + 8];
header.BlockDescriptors[i].BlockLength += (ulong)(modeResponse[5 + i * 8 + 8] << 16);
header.BlockDescriptors[i].BlockLength += (ulong)(modeResponse[6 + i * 8 + 8] << 8);
header.BlockDescriptors[i].BlockLength += modeResponse[7 + i * 8 + 8];
}
}
if (deviceType == PeripheralDeviceTypes.DirectAccess || deviceType == PeripheralDeviceTypes.MultiMediaDevice)
{
header.WriteProtected = ((modeResponse[3] & 0x80) == 0x80);
header.DPOFUA = ((modeResponse[3] & 0x10) == 0x10);
}
if (deviceType == PeripheralDeviceTypes.SequentialAccess)
{
header.WriteProtected = ((modeResponse[3] & 0x80) == 0x80);
header.Speed = (byte)(modeResponse[3] & 0x0F);
header.BufferedMode = (byte)((modeResponse[3] & 0x70) >> 4);
}
if (deviceType == PeripheralDeviceTypes.PrinterDevice)
header.BufferedMode = (byte)((modeResponse[3] & 0x70) >> 4);
if (deviceType == PeripheralDeviceTypes.OpticalDevice)
{
header.WriteProtected = ((modeResponse[3] & 0x80) == 0x80);
header.EBC = ((modeResponse[3] & 0x01) == 0x01);
header.DPOFUA = ((modeResponse[3] & 0x10) == 0x10);
}
return header;
}
public static string PrettifyModeHeader10(byte[] modeResponse, PeripheralDeviceTypes deviceType)
{
return PrettifyModeHeader(DecodeModeHeader10(modeResponse, deviceType), deviceType);
}
}
}