// /*************************************************************************** // Aaru Data Preservation Suite // ---------------------------------------------------------------------------- // // Filename : OCR.cs // Author(s) : Natalia Portillo // // Component : Device structures decoders. // // --[ Description ] ---------------------------------------------------------- // // Decodes SecureDigital OCR. // // --[ 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 . // // ---------------------------------------------------------------------------- // Copyright © 2011-2025 Natalia Portillo // ****************************************************************************/ using System; using System.Diagnostics.CodeAnalysis; using System.Text; using Aaru.Helpers; namespace Aaru.Decoders.SecureDigital; [SuppressMessage("ReSharper", "InconsistentNaming")] [SuppressMessage("ReSharper", "MemberCanBeInternal")] [SuppressMessage("ReSharper", "MemberCanBePrivate.Global")] [SuppressMessage("ReSharper", "UnassignedField.Global")] [SuppressMessage("ReSharper", "NotAccessedField.Global")] public class OCR { public bool CCS; public bool LowPower; public bool OneEight; public bool PowerUp; public bool ThreeFive; public bool ThreeFour; public bool ThreeOne; public bool ThreeThree; public bool ThreeTwo; public bool ThreeZero; public bool TwoEight; public bool TwoNine; public bool TwoSeven; public bool UHS; } [SuppressMessage("ReSharper", "InconsistentNaming")] [SuppressMessage("ReSharper", "MemberCanBePrivate.Global")] [SuppressMessage("ReSharper", "UnusedMember.Global")] public static partial class Decoders { public static OCR DecodeOCR(uint response) { response = Swapping.Swap(response); return new OCR { PowerUp = (response & 0x80000000) == 0x80000000, CCS = (response & 0x40000000) == 0x40000000, UHS = (response & 0x20000000) == 0x20000000, OneEight = (response & 0x01000000) == 0x01000000, ThreeFive = (response & 0x00800000) == 0x00800000, ThreeFour = (response & 0x00400000) == 0x00400000, ThreeThree = (response & 0x00200000) == 0x00200000, ThreeTwo = (response & 0x00100000) == 0x00100000, ThreeOne = (response & 0x00080000) == 0x00080000, ThreeZero = (response & 0x00040000) == 0x00040000, TwoNine = (response & 0x00020000) == 0x00020000, TwoEight = (response & 0x00010000) == 0x00010000, TwoSeven = (response & 0x00008000) == 0x00008000, LowPower = (response & 0x00000080) == 0x00000080 }; } public static OCR DecodeOCR(byte[] response) => response?.Length != 4 ? null : DecodeOCR(BitConverter.ToUInt32(response, 0)); public static string PrettifyOCR(OCR ocr) { if(ocr == null) return null; var sb = new StringBuilder(); sb.AppendLine(Localization.SecureDigital_Operation_Conditions_Register); if(!ocr.PowerUp) sb.AppendLine("\t" + Localization.Device_is_powering_up); if(ocr.CCS) sb.AppendLine("\t" + Localization.Device_is_SDHC_SDXC_or_higher); if(ocr.UHS) sb.AppendLine("\t" + Localization.Device_is_UHS_II_or_higher); if(ocr.ThreeFive) sb.AppendLine("\t" + Localization.Device_can_work_with_supply_3_5_3_6V); if(ocr.ThreeFour) sb.AppendLine("\t" + Localization.Device_can_work_with_supply_3_4_3_5V); if(ocr.ThreeThree) sb.AppendLine("\t" + Localization.Device_can_work_with_supply_3_3_3_4V); if(ocr.ThreeTwo) sb.AppendLine("\t" + Localization.Device_can_work_with_supply_3_2_3_3V); if(ocr.ThreeOne) sb.AppendLine("\t" + Localization.Device_can_work_with_supply_3_1_3_2V); if(ocr.TwoNine) sb.AppendLine("\t" + Localization.Device_can_work_with_supply_2_9_3_0V); if(ocr.TwoEight) sb.AppendLine("\t" + Localization.Device_can_work_with_supply_2_8_2_9V); if(ocr.TwoSeven) sb.AppendLine("\t" + Localization.Device_can_work_with_supply_2_7_2_8V); if(ocr.OneEight) sb.AppendLine("\t" + Localization.Device_can_switch_to_work_with_1_8V_supply); if(ocr.LowPower) sb.AppendLine("\t" + Localization.Device_is_in_low_power_mode); return sb.ToString(); } public static string PrettifyOCR(byte[] response) => PrettifyOCR(DecodeOCR(response)); public static string PrettifyOCR(uint response) => PrettifyOCR(DecodeOCR(response)); }