Files
Aaru/Aaru.Decoders/SecureDigital/OCR.cs

133 lines
5.2 KiB
C#

// /***************************************************************************
// Aaru Data Preservation Suite
// ----------------------------------------------------------------------------
//
// Filename : OCR.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// 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 <http://www.gnu.org/licenses/>.
//
// ----------------------------------------------------------------------------
// 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));
}