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185
Aaru.Decoders/MMC/OCR.cs
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185
Aaru.Decoders/MMC/OCR.cs
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// /***************************************************************************
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// Aaru Data Preservation Suite
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// ----------------------------------------------------------------------------
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//
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// Filename : OCR.cs
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// Author(s) : Natalia Portillo <claunia@claunia.com>
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//
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// Component : Device structures decoders.
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//
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// --[ Description ] ----------------------------------------------------------
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//
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// Decodes MultiMediaCard OCR.
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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 © 2011-2023 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 System.Text;
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using Aaru.Helpers;
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namespace Aaru.Decoders.MMC;
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[SuppressMessage("ReSharper", "InconsistentNaming")]
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[SuppressMessage("ReSharper", "MemberCanBeInternal")]
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[SuppressMessage("ReSharper", "MemberCanBePrivate.Global")]
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[SuppressMessage("ReSharper", "NotAccessedField.Global")]
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public class OCR
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{
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public byte AccessMode;
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public bool OneSix;
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public bool PowerUp;
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public bool ThreeFive;
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public bool ThreeFour;
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public bool ThreeOne;
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public bool ThreeThree;
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public bool ThreeTwo;
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public bool ThreeZero;
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public bool TwoEight;
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public bool TwoFive;
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public bool TwoFour;
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public bool TwoNine;
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public bool TwoOne;
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public bool TwoSeven;
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public bool TwoSix;
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public bool TwoThree;
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public bool TwoTwo;
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public bool TwoZero;
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}
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[SuppressMessage("ReSharper", "InconsistentNaming")]
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[SuppressMessage("ReSharper", "MemberCanBeInternal")]
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[SuppressMessage("ReSharper", "MemberCanBePrivate.Global")]
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[SuppressMessage("ReSharper", "UnusedMember.Global")]
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public static partial class Decoders
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{
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public static OCR DecodeOCR(uint response)
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{
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response = Swapping.Swap(response);
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return new OCR
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{
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PowerUp = (response & 0x80000000) == 0x80000000,
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AccessMode = (byte)((response & 0x60000000) >> 29),
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ThreeFive = (response & 0x00800000) == 0x00800000,
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ThreeFour = (response & 0x00400000) == 0x00400000,
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ThreeThree = (response & 0x00200000) == 0x00200000,
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ThreeTwo = (response & 0x00100000) == 0x00100000,
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ThreeOne = (response & 0x00080000) == 0x00080000,
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ThreeZero = (response & 0x00040000) == 0x00040000,
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TwoNine = (response & 0x00020000) == 0x00020000,
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TwoEight = (response & 0x00010000) == 0x00010000,
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TwoSeven = (response & 0x00008000) == 0x00008000,
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TwoSix = (response & 0x00004000) == 0x00004000,
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TwoFive = (response & 0x00002000) == 0x00002000,
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TwoFour = (response & 0x00001000) == 0x00001000,
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TwoThree = (response & 0x00000800) == 0x00000800,
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TwoTwo = (response & 0x00000400) == 0x00000400,
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TwoOne = (response & 0x00000200) == 0x00000200,
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TwoZero = (response & 0x00000100) == 0x00000100,
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OneSix = (response & 0x00000080) == 0x00000080
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};
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}
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public static OCR DecodeOCR(byte[] response) =>
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response?.Length != 4 ? null : DecodeOCR(BitConverter.ToUInt32(response, 0));
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public static string PrettifyOCR(OCR ocr)
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{
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if(ocr == null)
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return null;
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var sb = new StringBuilder();
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sb.AppendLine(Localization.MultiMediaCard_Operation_Conditions_Register);
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if(!ocr.PowerUp)
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sb.AppendLine("\t" + Localization.Device_is_powering_up);
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switch(ocr.AccessMode)
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{
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case 0:
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sb.AppendLine("\t" + Localization.Device_is_byte_addressed);
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break;
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case 2:
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sb.AppendLine("\t" + Localization.Device_is_sector_addressed);
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break;
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default:
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sb.AppendFormat("\t" + Localization.Unknown_device_access_mode_0, ocr.AccessMode).AppendLine();
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break;
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}
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if(ocr.ThreeFive)
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sb.AppendLine("\t" + Localization.Device_can_work_with_supply_3_5_3_6V);
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if(ocr.ThreeFour)
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sb.AppendLine("\t" + Localization.Device_can_work_with_supply_3_4_3_5V);
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if(ocr.ThreeThree)
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sb.AppendLine("\t" + Localization.Device_can_work_with_supply_3_3_3_4V);
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if(ocr.ThreeTwo)
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sb.AppendLine("\t" + Localization.Device_can_work_with_supply_3_2_3_3V);
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if(ocr.ThreeOne)
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sb.AppendLine("\t" + Localization.Device_can_work_with_supply_3_1_3_2V);
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if(ocr.TwoNine)
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sb.AppendLine("\t" + Localization.Device_can_work_with_supply_2_9_3_0V);
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if(ocr.TwoEight)
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sb.AppendLine("\t" + Localization.Device_can_work_with_supply_2_8_2_9V);
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if(ocr.TwoSeven)
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sb.AppendLine("\t" + Localization.Device_can_work_with_supply_2_7_2_8V);
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if(ocr.TwoSix)
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sb.AppendLine("\t" + Localization.Device_can_work_with_supply_2_6_2_7V);
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if(ocr.TwoFive)
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sb.AppendLine("\t" + Localization.Device_can_work_with_supply_2_5_2_6V);
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if(ocr.TwoFour)
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sb.AppendLine("\t" + Localization.Device_can_work_with_supply_2_4_2_5V);
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if(ocr.TwoThree)
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sb.AppendLine("\t" + Localization.Device_can_work_with_supply_2_3_2_4V);
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if(ocr.TwoTwo)
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sb.AppendLine("\t" + Localization.Device_can_work_with_supply_2_2_2_3V);
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if(ocr.TwoOne)
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sb.AppendLine("\t" + Localization.Device_can_work_with_supply_2_1_2_2V);
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if(ocr.TwoZero)
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sb.AppendLine("\t" + Localization.Device_can_work_with_supply_2_0_2_1V);
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if(ocr.OneSix)
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sb.AppendLine("\t" + Localization.Device_can_work_with_supply_1_65_1_95V);
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return sb.ToString();
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}
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public static string PrettifyOCR(byte[] response) => PrettifyOCR(DecodeOCR(response));
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public static string PrettifyOCR(uint response) => PrettifyOCR(DecodeOCR(response));
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}
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