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Move to file scoped namespaces.
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245
SCSI/Modes/04.cs
245
SCSI/Modes/04.cs
@@ -33,130 +33,129 @@
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using System.Diagnostics.CodeAnalysis;
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using System.Text;
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namespace Aaru.Decoders.SCSI
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namespace Aaru.Decoders.SCSI;
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[SuppressMessage("ReSharper", "InconsistentNaming"), SuppressMessage("ReSharper", "MemberCanBeInternal"),
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SuppressMessage("ReSharper", "MemberCanBePrivate.Global")]
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public static partial class Modes
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{
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[SuppressMessage("ReSharper", "InconsistentNaming"), SuppressMessage("ReSharper", "MemberCanBeInternal"),
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SuppressMessage("ReSharper", "MemberCanBePrivate.Global")]
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public static partial class Modes
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#region Mode Page 0x04: Rigid disk drive geometry page
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/// <summary>Disconnect-reconnect page Page code 0x04 24 bytes in SCSI-2, SBC-1</summary>
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public struct ModePage_04
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{
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#region Mode Page 0x04: Rigid disk drive geometry page
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/// <summary>Disconnect-reconnect page Page code 0x04 24 bytes in SCSI-2, SBC-1</summary>
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public struct ModePage_04
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{
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/// <summary>Parameters can be saved</summary>
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public bool PS;
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/// <summary>Cylinders used for data storage</summary>
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public uint Cylinders;
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/// <summary>Heads for reading and/or writing</summary>
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public byte Heads;
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/// <summary>Cylinder where write precompensation starts</summary>
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public uint WritePrecompCylinder;
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/// <summary>Cylinder where write current reduction starts</summary>
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public uint WriteReduceCylinder;
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/// <summary>Step rate in 100 ns units</summary>
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public ushort DriveStepRate;
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/// <summary>Cylinder where the heads park</summary>
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public int LandingCylinder;
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/// <summary>Rotational position locking</summary>
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public byte RPL;
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/// <summary>Rotational skew to apply when synchronized</summary>
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public byte RotationalOffset;
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/// <summary>Medium speed in rpm</summary>
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public ushort MediumRotationRate;
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}
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public static ModePage_04? DecodeModePage_04(byte[] pageResponse)
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{
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if((pageResponse?[0] & 0x40) == 0x40)
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return null;
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if((pageResponse?[0] & 0x3F) != 0x04)
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return null;
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if(pageResponse[1] + 2 != pageResponse.Length)
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return null;
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if(pageResponse.Length < 20)
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return null;
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var decoded = new ModePage_04();
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decoded.PS |= (pageResponse[0] & 0x80) == 0x80;
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decoded.Cylinders = (uint)((pageResponse[2] << 16) + (pageResponse[3] << 8) + pageResponse[4]);
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decoded.Heads = pageResponse[5];
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decoded.WritePrecompCylinder = (uint)((pageResponse[6] << 16) + (pageResponse[7] << 8) + pageResponse[8]);
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decoded.WriteReduceCylinder = (uint)((pageResponse[9] << 16) + (pageResponse[10] << 8) + pageResponse[11]);
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decoded.DriveStepRate = (ushort)((pageResponse[12] << 8) + pageResponse[13]);
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decoded.LandingCylinder = (pageResponse[14] << 16) + (pageResponse[15] << 8) + pageResponse[16];
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decoded.RPL = (byte)(pageResponse[17] & 0x03);
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decoded.RotationalOffset = pageResponse[18];
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if(pageResponse.Length >= 22)
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decoded.MediumRotationRate = (ushort)((pageResponse[20] << 8) + pageResponse[21]);
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return decoded;
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}
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public static string PrettifyModePage_04(byte[] pageResponse) =>
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PrettifyModePage_04(DecodeModePage_04(pageResponse));
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public static string PrettifyModePage_04(ModePage_04? modePage)
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{
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if(!modePage.HasValue)
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return null;
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ModePage_04 page = modePage.Value;
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var sb = new StringBuilder();
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sb.AppendLine("SCSI Rigid disk drive geometry page:");
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if(page.PS)
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sb.AppendLine("\tParameters can be saved");
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sb.AppendFormat("\t{0} heads", page.Heads).AppendLine();
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sb.AppendFormat("\t{0} cylinders", page.Cylinders).AppendLine();
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if(page.WritePrecompCylinder < page.Cylinders)
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sb.AppendFormat("\tWrite pre-compensation starts at cylinder {0}", page.WritePrecompCylinder).
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AppendLine();
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if(page.WriteReduceCylinder < page.Cylinders)
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sb.AppendFormat("\tWrite current reduction starts at cylinder {0}", page.WriteReduceCylinder).
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AppendLine();
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if(page.DriveStepRate > 0)
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sb.AppendFormat("\tDrive steps in {0} ns", (uint)page.DriveStepRate * 100).AppendLine();
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sb.AppendFormat("\tHeads park in cylinder {0}", page.LandingCylinder).AppendLine();
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if(page.MediumRotationRate > 0)
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sb.AppendFormat("\tMedium rotates at {0} rpm", page.MediumRotationRate).AppendLine();
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switch(page.RPL)
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{
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case 0:
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sb.AppendLine("\tSpindle synchronization is disable or unsupported");
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break;
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case 1:
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sb.AppendLine("\tTarget operates as a synchronized-spindle slave");
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break;
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case 2:
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sb.AppendLine("\tTarget operates as a synchronized-spindle master");
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break;
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case 3:
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sb.AppendLine("\tTarget operates as a synchronized-spindle master control");
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break;
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}
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return sb.ToString();
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}
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#endregion Mode Page 0x04: Rigid disk drive geometry page
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/// <summary>Parameters can be saved</summary>
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public bool PS;
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/// <summary>Cylinders used for data storage</summary>
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public uint Cylinders;
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/// <summary>Heads for reading and/or writing</summary>
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public byte Heads;
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/// <summary>Cylinder where write precompensation starts</summary>
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public uint WritePrecompCylinder;
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/// <summary>Cylinder where write current reduction starts</summary>
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public uint WriteReduceCylinder;
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/// <summary>Step rate in 100 ns units</summary>
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public ushort DriveStepRate;
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/// <summary>Cylinder where the heads park</summary>
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public int LandingCylinder;
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/// <summary>Rotational position locking</summary>
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public byte RPL;
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/// <summary>Rotational skew to apply when synchronized</summary>
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public byte RotationalOffset;
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/// <summary>Medium speed in rpm</summary>
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public ushort MediumRotationRate;
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}
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public static ModePage_04? DecodeModePage_04(byte[] pageResponse)
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{
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if((pageResponse?[0] & 0x40) == 0x40)
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return null;
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if((pageResponse?[0] & 0x3F) != 0x04)
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return null;
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if(pageResponse[1] + 2 != pageResponse.Length)
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return null;
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if(pageResponse.Length < 20)
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return null;
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var decoded = new ModePage_04();
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decoded.PS |= (pageResponse[0] & 0x80) == 0x80;
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decoded.Cylinders = (uint)((pageResponse[2] << 16) + (pageResponse[3] << 8) + pageResponse[4]);
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decoded.Heads = pageResponse[5];
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decoded.WritePrecompCylinder = (uint)((pageResponse[6] << 16) + (pageResponse[7] << 8) + pageResponse[8]);
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decoded.WriteReduceCylinder = (uint)((pageResponse[9] << 16) + (pageResponse[10] << 8) + pageResponse[11]);
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decoded.DriveStepRate = (ushort)((pageResponse[12] << 8) + pageResponse[13]);
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decoded.LandingCylinder = (pageResponse[14] << 16) + (pageResponse[15] << 8) + pageResponse[16];
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decoded.RPL = (byte)(pageResponse[17] & 0x03);
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decoded.RotationalOffset = pageResponse[18];
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if(pageResponse.Length >= 22)
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decoded.MediumRotationRate = (ushort)((pageResponse[20] << 8) + pageResponse[21]);
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return decoded;
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}
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public static string PrettifyModePage_04(byte[] pageResponse) =>
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PrettifyModePage_04(DecodeModePage_04(pageResponse));
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public static string PrettifyModePage_04(ModePage_04? modePage)
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{
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if(!modePage.HasValue)
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return null;
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ModePage_04 page = modePage.Value;
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var sb = new StringBuilder();
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sb.AppendLine("SCSI Rigid disk drive geometry page:");
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if(page.PS)
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sb.AppendLine("\tParameters can be saved");
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sb.AppendFormat("\t{0} heads", page.Heads).AppendLine();
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sb.AppendFormat("\t{0} cylinders", page.Cylinders).AppendLine();
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if(page.WritePrecompCylinder < page.Cylinders)
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sb.AppendFormat("\tWrite pre-compensation starts at cylinder {0}", page.WritePrecompCylinder).
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AppendLine();
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if(page.WriteReduceCylinder < page.Cylinders)
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sb.AppendFormat("\tWrite current reduction starts at cylinder {0}", page.WriteReduceCylinder).
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AppendLine();
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if(page.DriveStepRate > 0)
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sb.AppendFormat("\tDrive steps in {0} ns", (uint)page.DriveStepRate * 100).AppendLine();
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sb.AppendFormat("\tHeads park in cylinder {0}", page.LandingCylinder).AppendLine();
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if(page.MediumRotationRate > 0)
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sb.AppendFormat("\tMedium rotates at {0} rpm", page.MediumRotationRate).AppendLine();
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switch(page.RPL)
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{
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case 0:
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sb.AppendLine("\tSpindle synchronization is disable or unsupported");
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break;
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case 1:
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sb.AppendLine("\tTarget operates as a synchronized-spindle slave");
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break;
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case 2:
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sb.AppendLine("\tTarget operates as a synchronized-spindle master");
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break;
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case 3:
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sb.AppendLine("\tTarget operates as a synchronized-spindle master control");
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break;
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}
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return sb.ToString();
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}
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#endregion Mode Page 0x04: Rigid disk drive geometry page
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}
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