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250 lines
12 KiB
C#
250 lines
12 KiB
C#
// /***************************************************************************
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// The Disc Image Chef
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// ----------------------------------------------------------------------------
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//
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// Filename : Commands.cs
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// Author(s) : Natalia Portillo <claunia@claunia.com>
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//
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// Component : Direct device access.
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//
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// --[ Description ] ----------------------------------------------------------
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//
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// Sends commands to devices.
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//
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// --[ License ] --------------------------------------------------------------
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//
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// This library is free software; you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation; either version 2.1 of the
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// License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, see <http://www.gnu.org/licenses/>.
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//
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// ----------------------------------------------------------------------------
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// Copyright © 2011-2020 Natalia Portillo
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// ****************************************************************************/
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using System;
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using System.Diagnostics.CodeAnalysis;
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using DiscImageChef.Decoders.ATA;
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namespace DiscImageChef.Devices
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{
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[SuppressMessage("ReSharper", "MemberCanBePrivate.Global")]
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public partial class Device
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{
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/// <summary>
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/// Sends a SCSI command to this device
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/// </summary>
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/// <returns>0 if no error occurred, otherwise, errno</returns>
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/// <param name="cdb">SCSI CDB</param>
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/// <param name="buffer">Buffer for SCSI command response</param>
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/// <param name="senseBuffer">Buffer with the SCSI sense</param>
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/// <param name="timeout">Timeout in seconds</param>
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/// <param name="direction">SCSI command transfer direction</param>
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/// <param name="duration">Time it took to execute the command in milliseconds</param>
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/// <param name="sense">
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/// <c>True</c> if SCSI command returned non-OK status and <paramref name="senseBuffer" /> contains
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/// SCSI sense
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/// </param>
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public int SendScsiCommand(byte[] cdb, ref byte[] buffer, out byte[] senseBuffer, uint timeout,
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ScsiDirection direction, out double duration, out bool sense)
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{
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if (!(_remote is null))
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return _remote.SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout,
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direction, out duration, out sense);
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return Command.SendScsiCommand(PlatformId, FileHandle, cdb, ref buffer, out senseBuffer, timeout, direction,
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out duration, out sense);
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}
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/// <summary>
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/// Sends an ATA/ATAPI command to this device using CHS addressing
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/// </summary>
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/// <returns>0 if no error occurred, otherwise, errno</returns>
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/// <param name="registers">ATA registers.</param>
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/// <param name="errorRegisters">Status/error registers.</param>
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/// <param name="protocol">ATA Protocol.</param>
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/// <param name="transferRegister">Indicates which register indicates the transfer length</param>
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/// <param name="buffer">Buffer for ATA/ATAPI command response</param>
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/// <param name="timeout">Timeout in seconds</param>
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/// <param name="transferBlocks">
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/// If set to <c>true</c>, transfer is indicated in blocks, otherwise, it is indicated in
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/// bytes.
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/// </param>
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/// <param name="duration">Time it took to execute the command in milliseconds</param>
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/// <param name="sense"><c>True</c> if ATA/ATAPI command returned non-OK status</param>
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public int SendAtaCommand(AtaRegistersChs registers, out AtaErrorRegistersChs errorRegisters,
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AtaProtocol protocol, AtaTransferRegister transferRegister,
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ref byte[] buffer,
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uint timeout, bool transferBlocks,
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out double duration, out bool sense)
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{
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if (!(_remote is null))
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return _remote.SendAtaCommand(registers, out errorRegisters,
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protocol, transferRegister,
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ref buffer,
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timeout, transferBlocks,
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out duration, out sense);
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return Command.SendAtaCommand(PlatformId, FileHandle, registers, out errorRegisters, protocol,
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transferRegister,
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ref buffer, timeout, transferBlocks, out duration, out sense);
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}
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/// <summary>
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/// Sends an ATA/ATAPI command to this device using 28-bit LBA addressing
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/// </summary>
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/// <returns>0 if no error occurred, otherwise, errno</returns>
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/// <param name="registers">ATA registers.</param>
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/// <param name="errorRegisters">Status/error registers.</param>
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/// <param name="protocol">ATA Protocol.</param>
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/// <param name="transferRegister">Indicates which register indicates the transfer length</param>
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/// <param name="buffer">Buffer for ATA/ATAPI command response</param>
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/// <param name="timeout">Timeout in seconds</param>
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/// <param name="transferBlocks">
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/// If set to <c>true</c>, transfer is indicated in blocks, otherwise, it is indicated in
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/// bytes.
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/// </param>
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/// <param name="duration">Time it took to execute the command in milliseconds</param>
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/// <param name="sense"><c>True</c> if ATA/ATAPI command returned non-OK status</param>
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public int SendAtaCommand(AtaRegistersLba28 registers, out AtaErrorRegistersLba28 errorRegisters,
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AtaProtocol protocol, AtaTransferRegister transferRegister,
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ref byte[] buffer,
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uint timeout, bool transferBlocks,
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out double duration, out bool sense)
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{
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if (!(_remote is null))
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return _remote.SendAtaCommand(registers, out errorRegisters,
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protocol, transferRegister,
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ref buffer,
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timeout, transferBlocks,
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out duration, out sense);
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return Command.SendAtaCommand(PlatformId, FileHandle, registers, out errorRegisters, protocol,
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transferRegister,
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ref buffer, timeout, transferBlocks, out duration, out sense);
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}
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/// <summary>
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/// Sends an ATA/ATAPI command to this device using 48-bit LBA addressing
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/// </summary>
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/// <returns>0 if no error occurred, otherwise, errno</returns>
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/// <param name="registers">ATA registers.</param>
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/// <param name="errorRegisters">Status/error registers.</param>
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/// <param name="protocol">ATA Protocol.</param>
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/// <param name="transferRegister">Indicates which register indicates the transfer length</param>
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/// <param name="buffer">Buffer for ATA/ATAPI command response</param>
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/// <param name="timeout">Timeout in seconds</param>
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/// <param name="transferBlocks">
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/// If set to <c>true</c>, transfer is indicated in blocks, otherwise, it is indicated in
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/// bytes.
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/// </param>
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/// <param name="duration">Time it took to execute the command in milliseconds</param>
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/// <param name="sense"><c>True</c> if ATA/ATAPI command returned non-OK status</param>
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public int SendAtaCommand(AtaRegistersLba48 registers, out AtaErrorRegistersLba48 errorRegisters,
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AtaProtocol protocol, AtaTransferRegister transferRegister,
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ref byte[] buffer,
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uint timeout, bool transferBlocks,
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out double duration, out bool sense)
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{
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if (!(_remote is null))
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return _remote.SendAtaCommand(registers, out errorRegisters,
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protocol, transferRegister,
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ref buffer,
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timeout, transferBlocks,
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out duration, out sense);
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return Command.SendAtaCommand(PlatformId, FileHandle, registers, out errorRegisters, protocol,
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transferRegister,
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ref buffer, timeout, transferBlocks, out duration, out sense);
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}
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/// <summary>
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/// Sends a MMC/SD command to this device
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/// </summary>
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/// <returns>The result of the command.</returns>
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/// <param name="command">MMC/SD opcode</param>
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/// <param name="buffer">Buffer for MMC/SD command response</param>
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/// <param name="timeout">Timeout in seconds</param>
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/// <param name="duration">Time it took to execute the command in milliseconds</param>
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/// <param name="sense"><c>True</c> if MMC/SD returned non-OK status</param>
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/// <param name="write"><c>True</c> if data is sent from host to card</param>
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/// <param name="isApplication"><c>True</c> if command should be preceded with CMD55</param>
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/// <param name="flags">Flags indicating kind and place of response</param>
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/// <param name="blocks">How many blocks to transfer</param>
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/// <param name="argument">Command argument</param>
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/// <param name="response">Response registers</param>
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/// <param name="blockSize">Size of block in bytes</param>
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public int SendMmcCommand(MmcCommands command, bool write, bool isApplication, MmcFlags flags,
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uint argument,
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uint blockSize, uint blocks, ref byte[] buffer, out uint[] response,
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out double duration, out bool sense, uint timeout = 0)
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{
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switch (command)
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{
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case MmcCommands.SendCid when cachedCid != null:
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{
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var start = DateTime.Now;
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buffer = new byte[cachedCid.Length];
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Array.Copy(cachedCid, buffer, buffer.Length);
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response = new uint[4];
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sense = false;
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var end = DateTime.Now;
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duration = (end - start).TotalMilliseconds;
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return 0;
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}
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case MmcCommands.SendCsd when cachedCid != null:
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{
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var start = DateTime.Now;
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buffer = new byte[cachedCsd.Length];
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Array.Copy(cachedCsd, buffer, buffer.Length);
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response = new uint[4];
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sense = false;
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var end = DateTime.Now;
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duration = (end - start).TotalMilliseconds;
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return 0;
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}
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case (MmcCommands) SecureDigitalCommands.SendScr when cachedScr != null:
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{
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var start = DateTime.Now;
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buffer = new byte[cachedScr.Length];
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Array.Copy(cachedScr, buffer, buffer.Length);
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response = new uint[4];
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sense = false;
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var end = DateTime.Now;
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duration = (end - start).TotalMilliseconds;
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return 0;
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}
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case (MmcCommands) SecureDigitalCommands.SendOperatingCondition when cachedOcr != null:
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case MmcCommands.SendOpCond when cachedOcr != null:
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{
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var start = DateTime.Now;
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buffer = new byte[cachedOcr.Length];
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Array.Copy(cachedOcr, buffer, buffer.Length);
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response = new uint[4];
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sense = false;
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var end = DateTime.Now;
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duration = (end - start).TotalMilliseconds;
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return 0;
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}
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}
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if (!(_remote is null))
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return _remote.SendMmcCommand(command, write, isApplication, flags,
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argument,
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blockSize, blocks, ref buffer, out response,
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out duration, out sense, timeout);
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return Command.SendMmcCommand(PlatformId, FileHandle, command, write, isApplication, flags, argument,
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blockSize, blocks, ref buffer, out response, out duration, out sense,
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timeout);
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}
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}
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} |