mirror of
https://github.com/aaru-dps/Aaru.git
synced 2025-12-16 19:24:25 +00:00
Move all files into project subdirectory
This commit is contained in:
340
Aaru.Decoders/SCSI/Modes/05.cs
Normal file
340
Aaru.Decoders/SCSI/Modes/05.cs
Normal file
@@ -0,0 +1,340 @@
|
||||
// /***************************************************************************
|
||||
// Aaru Data Preservation Suite
|
||||
// ----------------------------------------------------------------------------
|
||||
//
|
||||
// Filename : 05.cs
|
||||
// Author(s) : Natalia Portillo <claunia@claunia.com>
|
||||
//
|
||||
// Component : Device structures decoders.
|
||||
//
|
||||
// --[ Description ] ----------------------------------------------------------
|
||||
//
|
||||
// Decodes SCSI MODE PAGE 05h: Flexible disk 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 0x05: Flexible disk page
|
||||
|
||||
/// <summary>Disconnect-reconnect page Page code 0x05 32 bytes in SCSI-2, SBC-1</summary>
|
||||
public struct ModePage_05
|
||||
{
|
||||
/// <summary>Parameters can be saved</summary>
|
||||
public bool PS;
|
||||
/// <summary>Data rate of peripheral device on kbit/s</summary>
|
||||
public ushort TransferRate;
|
||||
/// <summary>Heads for reading and/or writing</summary>
|
||||
public byte Heads;
|
||||
/// <summary>Sectors per revolution per head</summary>
|
||||
public byte SectorsPerTrack;
|
||||
/// <summary>Bytes of data per sector</summary>
|
||||
public ushort BytesPerSector;
|
||||
/// <summary>Cylinders used for data storage</summary>
|
||||
public ushort Cylinders;
|
||||
/// <summary>Cylinder where write precompensation starts</summary>
|
||||
public ushort WritePrecompCylinder;
|
||||
/// <summary>Cylinder where write current reduction starts</summary>
|
||||
public ushort WriteReduceCylinder;
|
||||
/// <summary>Step rate in 100 μs units</summary>
|
||||
public ushort DriveStepRate;
|
||||
/// <summary>Width of step pulse in μs</summary>
|
||||
public byte DriveStepPulse;
|
||||
/// <summary>Head settle time in 100 μs units</summary>
|
||||
public ushort HeadSettleDelay;
|
||||
/// <summary>
|
||||
/// If <see cref="TRDY" /> is <c>true</c>, specified in 1/10s of a second the time waiting for read status before
|
||||
/// aborting medium access. Otherwise, indicates time to way before medimum access after motor on signal is asserted.
|
||||
/// </summary>
|
||||
public byte MotorOnDelay;
|
||||
/// <summary>
|
||||
/// Time in 1/10s of a second to wait before releasing the motor on signal after an idle condition. 0xFF means to
|
||||
/// never release the signal
|
||||
/// </summary>
|
||||
public byte MotorOffDelay;
|
||||
/// <summary>Specifies if a signal indicates that the medium is ready to be accessed</summary>
|
||||
public bool TRDY;
|
||||
/// <summary>If <c>true</c> sectors start with one. Otherwise, they start with zero.</summary>
|
||||
public bool SSN;
|
||||
/// <summary>If <c>true</c> specifies that motor on shall remain released.</summary>
|
||||
public bool MO;
|
||||
/// <summary>Number of additional step pulses per cylinder.</summary>
|
||||
public byte SPC;
|
||||
/// <summary>Write compensation value</summary>
|
||||
public byte WriteCompensation;
|
||||
/// <summary>Head loading time in ms.</summary>
|
||||
public byte HeadLoadDelay;
|
||||
/// <summary>Head unloading time in ms.</summary>
|
||||
public byte HeadUnloadDelay;
|
||||
/// <summary>Description of shugart's bus pin 34 usage</summary>
|
||||
public byte Pin34;
|
||||
/// <summary>Description of shugart's bus pin 2 usage</summary>
|
||||
public byte Pin2;
|
||||
/// <summary>Description of shugart's bus pin 4 usage</summary>
|
||||
public byte Pin4;
|
||||
/// <summary>Description of shugart's bus pin 1 usage</summary>
|
||||
public byte Pin1;
|
||||
/// <summary>Medium speed in rpm</summary>
|
||||
public ushort MediumRotationRate;
|
||||
}
|
||||
|
||||
public static ModePage_05? DecodeModePage_05(byte[] pageResponse)
|
||||
{
|
||||
if((pageResponse?[0] & 0x40) == 0x40)
|
||||
return null;
|
||||
|
||||
if((pageResponse?[0] & 0x3F) != 0x05)
|
||||
return null;
|
||||
|
||||
if(pageResponse[1] + 2 != pageResponse.Length)
|
||||
return null;
|
||||
|
||||
if(pageResponse.Length < 32)
|
||||
return null;
|
||||
|
||||
var decoded = new ModePage_05();
|
||||
|
||||
decoded.PS |= (pageResponse[0] & 0x80) == 0x80;
|
||||
decoded.TransferRate = (ushort)((pageResponse[2] << 8) + pageResponse[3]);
|
||||
decoded.Heads = pageResponse[4];
|
||||
decoded.SectorsPerTrack = pageResponse[5];
|
||||
decoded.BytesPerSector = (ushort)((pageResponse[6] << 8) + pageResponse[7]);
|
||||
decoded.Cylinders = (ushort)((pageResponse[8] << 8) + pageResponse[9]);
|
||||
decoded.WritePrecompCylinder = (ushort)((pageResponse[10] << 8) + pageResponse[11]);
|
||||
decoded.WriteReduceCylinder = (ushort)((pageResponse[12] << 8) + pageResponse[13]);
|
||||
decoded.DriveStepRate = (ushort)((pageResponse[14] << 8) + pageResponse[15]);
|
||||
decoded.DriveStepPulse = pageResponse[16];
|
||||
decoded.HeadSettleDelay = (ushort)((pageResponse[17] << 8) + pageResponse[18]);
|
||||
decoded.MotorOnDelay = pageResponse[19];
|
||||
decoded.MotorOffDelay = pageResponse[20];
|
||||
decoded.TRDY |= (pageResponse[21] & 0x80) == 0x80;
|
||||
decoded.SSN |= (pageResponse[21] & 0x40) == 0x40;
|
||||
decoded.MO |= (pageResponse[21] & 0x20) == 0x20;
|
||||
decoded.SPC = (byte)(pageResponse[22] & 0x0F);
|
||||
decoded.WriteCompensation = pageResponse[23];
|
||||
decoded.HeadLoadDelay = pageResponse[24];
|
||||
decoded.HeadUnloadDelay = pageResponse[25];
|
||||
decoded.Pin34 = (byte)((pageResponse[26] & 0xF0) >> 4);
|
||||
decoded.Pin2 = (byte)(pageResponse[26] & 0x0F);
|
||||
decoded.Pin4 = (byte)((pageResponse[27] & 0xF0) >> 4);
|
||||
decoded.Pin1 = (byte)(pageResponse[27] & 0x0F);
|
||||
decoded.MediumRotationRate = (ushort)((pageResponse[28] << 8) + pageResponse[29]);
|
||||
|
||||
return decoded;
|
||||
}
|
||||
|
||||
public static string PrettifyModePage_05(byte[] pageResponse) =>
|
||||
PrettifyModePage_05(DecodeModePage_05(pageResponse));
|
||||
|
||||
public static string PrettifyModePage_05(ModePage_05? modePage)
|
||||
{
|
||||
if(!modePage.HasValue)
|
||||
return null;
|
||||
|
||||
ModePage_05 page = modePage.Value;
|
||||
var sb = new StringBuilder();
|
||||
|
||||
sb.AppendLine(Localization.SCSI_Flexible_disk_page);
|
||||
|
||||
if(page.PS)
|
||||
sb.AppendLine("\t" + Localization.Parameters_can_be_saved);
|
||||
|
||||
sb.AppendFormat("\t" + Localization.Transfer_rate_0_kbits, page.TransferRate).AppendLine();
|
||||
sb.AppendFormat("\t" + Localization._0_heads, page.Heads).AppendLine();
|
||||
sb.AppendFormat("\t" + Localization._0_cylinders, page.Cylinders).AppendLine();
|
||||
sb.AppendFormat("\t" + Localization._0_sectors_per_track, page.SectorsPerTrack).AppendLine();
|
||||
sb.AppendFormat("\t" + Localization._0_bytes_per_sector, page.BytesPerSector).AppendLine();
|
||||
|
||||
if(page.WritePrecompCylinder < page.Cylinders)
|
||||
{
|
||||
sb.AppendFormat("\t" + Localization.Write_pre_compensation_starts_at_cylinder_0, page.WritePrecompCylinder).
|
||||
AppendLine();
|
||||
}
|
||||
|
||||
if(page.WriteReduceCylinder < page.Cylinders)
|
||||
{
|
||||
sb.AppendFormat("\t" + Localization.Write_current_reduction_starts_at_cylinder_0, page.WriteReduceCylinder).
|
||||
AppendLine();
|
||||
}
|
||||
|
||||
if(page.DriveStepRate > 0)
|
||||
sb.AppendFormat("\t" + Localization.Drive_steps_in_0_μs, (uint)page.DriveStepRate * 100).AppendLine();
|
||||
|
||||
if(page.DriveStepPulse > 0)
|
||||
sb.AppendFormat("\t" + Localization.Each_step_pulse_is_0_ms, page.DriveStepPulse).AppendLine();
|
||||
|
||||
if(page.HeadSettleDelay > 0)
|
||||
sb.AppendFormat("\t" + Localization.Heads_settles_in_0_μs, (uint)page.HeadSettleDelay * 100).AppendLine();
|
||||
|
||||
if(!page.TRDY)
|
||||
{
|
||||
sb.
|
||||
AppendFormat("\t" + Localization.Target_shall_wait_0_seconds_before_attempting_to_access_the_medium_after_motor_on_is_asserted,
|
||||
(double)page.MotorOnDelay * 10).
|
||||
AppendLine();
|
||||
}
|
||||
else
|
||||
{
|
||||
sb.
|
||||
AppendFormat("\t" + Localization.Target_shall_wait_0_seconds_after_drive_is_ready_before_aborting_medium_access_attempts,
|
||||
(double)page.MotorOnDelay * 10).
|
||||
AppendLine();
|
||||
}
|
||||
|
||||
if(page.MotorOffDelay != 0xFF)
|
||||
{
|
||||
sb.
|
||||
AppendFormat("\t" + Localization.Target_shall_wait_0_seconds_before_releasing_the_motor_on_signal_after_becoming_idle,
|
||||
(double)page.MotorOffDelay * 10).
|
||||
AppendLine();
|
||||
}
|
||||
else
|
||||
sb.AppendLine("\t" + Localization.Target_shall_never_release_the_motor_on_signal);
|
||||
|
||||
if(page.TRDY)
|
||||
sb.AppendLine("\t" + Localization.There_is_a_drive_ready_signal);
|
||||
|
||||
if(page.SSN)
|
||||
sb.AppendLine("\t" + Localization.Sectors_start_at_1);
|
||||
|
||||
if(page.MO)
|
||||
sb.AppendLine("\t" + Localization.The_motor_on_signal_shall_remain_released);
|
||||
|
||||
sb.AppendFormat("\t" + Localization.Drive_needs_to_do_0_step_pulses_per_cylinder, page.SPC + 1).AppendLine();
|
||||
|
||||
if(page.WriteCompensation > 0)
|
||||
sb.AppendFormat("\t" + Localization.Write_pre_compensation_is_0, page.WriteCompensation).AppendLine();
|
||||
|
||||
if(page.HeadLoadDelay > 0)
|
||||
sb.AppendFormat("\t" + Localization.Head_takes_0_ms_to_load, page.HeadLoadDelay).AppendLine();
|
||||
|
||||
if(page.HeadUnloadDelay > 0)
|
||||
sb.AppendFormat("\t" + Localization.Head_takes_0_ms_to_unload, page.HeadUnloadDelay).AppendLine();
|
||||
|
||||
if(page.MediumRotationRate > 0)
|
||||
sb.AppendFormat("\t" + Localization.Medium_rotates_at_0_rpm, page.MediumRotationRate).AppendLine();
|
||||
|
||||
switch(page.Pin34 & 0x07)
|
||||
{
|
||||
case 0:
|
||||
sb.AppendLine("\t" + Localization.Pin_34_is_unconnected);
|
||||
|
||||
break;
|
||||
case 1:
|
||||
sb.Append("\t" +
|
||||
((page.Pin34 & 0x08) == 0x08
|
||||
? Localization.Pin_34_indicates_drive_is_ready_when_active_high
|
||||
: Localization.Pin_34_indicates_drive_is_ready_when_active_low));
|
||||
|
||||
break;
|
||||
case 2:
|
||||
sb.Append("\t" +
|
||||
((page.Pin34 & 0x08) == 0x08
|
||||
? Localization.Pin_34_indicates_disk_has_changed_when_active_high
|
||||
: Localization.Pin_34_indicates_disk_has_changed_when_active_low));
|
||||
|
||||
break;
|
||||
default:
|
||||
sb.AppendFormat("\t" + ((page.Pin34 & 0x08) == 0x08 ? Localization.Pin_34_indicates_unknown_function_0_when_active_high : Localization.Pin_34_indicates_unknown_function_0_when_active_low),
|
||||
page.Pin34 & 0x07);
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
switch(page.Pin4 & 0x07)
|
||||
{
|
||||
case 0:
|
||||
sb.AppendLine("\t" + Localization.Pin_4_is_unconnected);
|
||||
|
||||
break;
|
||||
case 1:
|
||||
sb.Append("\t" +
|
||||
((page.Pin4 & 0x08) == 0x08
|
||||
? Localization.Pin_4_indicates_drive_is_in_use_when_active_high
|
||||
: Localization.Pin_4_indicates_drive_is_in_use_when_active_low));
|
||||
|
||||
break;
|
||||
case 2:
|
||||
sb.Append("\t" +
|
||||
((page.Pin4 & 0x08) == 0x08
|
||||
? Localization.Pin_4_indicates_eject_when_active_high
|
||||
: Localization.Pin_4_indicates_eject_when_active_low));
|
||||
|
||||
break;
|
||||
case 3:
|
||||
sb.Append("\t" +
|
||||
((page.Pin4 & 0x08) == 0x08
|
||||
? Localization.Pin_4_indicates_head_load_when_active_high
|
||||
: Localization.Pin_4_indicates_head_load_when_active_low));
|
||||
|
||||
break;
|
||||
default:
|
||||
sb.AppendFormat("\t" + ((page.Pin4 & 0x08) == 0x08 ? Localization.Pin_4_indicates_unknown_function_0_when_active_high : Localization.Pin_4_indicates_unknown_function_0_when_active_low),
|
||||
page.Pin4 & 0x07);
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
switch(page.Pin2 & 0x07)
|
||||
{
|
||||
case 0:
|
||||
sb.AppendLine("\t" + Localization.Pin_2_is_unconnected);
|
||||
|
||||
break;
|
||||
default:
|
||||
sb.AppendFormat("\t" + ((page.Pin2 & 0x08) == 0x08 ? Localization.Pin_2_indicates_unknown_function_0_when_active_high : Localization.Pin_2_indicates_unknown_function_0_when_active_low),
|
||||
page.Pin2 & 0x07);
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
switch(page.Pin1 & 0x07)
|
||||
{
|
||||
case 0:
|
||||
sb.AppendLine("\t" + Localization.Pin_1_is_unconnected);
|
||||
|
||||
break;
|
||||
case 1:
|
||||
sb.Append("\t" +
|
||||
((page.Pin1 & 0x08) == 0x08
|
||||
? Localization.Pin_1_indicates_disk_change_reset_when_active_high
|
||||
: Localization.Pin_1_indicates_disk_change_reset_when_active_low));
|
||||
|
||||
break;
|
||||
default:
|
||||
sb.AppendFormat("\t" + ((page.Pin1 & 0x08) == 0x08 ? Localization.Pin_1_indicates_unknown_function_0_when_active_high : Localization.Pin_1_indicates_unknown_function_0_when_active_low),
|
||||
page.Pin1 & 0x07);
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
return sb.ToString();
|
||||
}
|
||||
|
||||
#endregion Mode Page 0x05: Flexible disk page
|
||||
}
|
||||
Reference in New Issue
Block a user