Initial commit: FieldLogger MAUI app with Maglink BLE support
Added Maglink RTK GNSS receiver integration with correct BLE UUIDs and device name filtering (ML-* prefix). 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
brentperteet
11
FieldLogger/Models/DeviceKind.cs
Normal file
11
FieldLogger/Models/DeviceKind.cs
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@@ -0,0 +1,11 @@
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namespace FieldLogger.Models;
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/// <summary>The two kinds of BLE devices the app pairs with.</summary>
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public enum DeviceKind
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{
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/// <summary>Underground Magnetics utility locating receiver (UMRX_* / DT100_*).</summary>
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Locator,
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/// <summary>Maglink RTK GNSS receiver (H11).</summary>
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RtkGps,
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}
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155
FieldLogger/Models/GnssFix.cs
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155
FieldLogger/Models/GnssFix.cs
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@@ -0,0 +1,155 @@
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using System.Globalization;
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namespace FieldLogger.Models;
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public enum GnssFixStatus { NoFix = 0, Single = 1, Dgps = 2, RtkFixed = 4, RtkFloat = 5 }
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/// <summary>
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/// A parsed $GNPOS sentence from the Maglink (H11) RTK receiver.
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/// </summary>
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public sealed class GnssFix
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{
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public double Latitude { get; init; }
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public double Longitude { get; init; }
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public double Altitude { get; init; }
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public double AltitudeCorrected { get; init; }
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public GnssFixStatus Status { get; init; }
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public double Hdop { get; init; }
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public double Hrms { get; init; }
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public double Vrms { get; init; }
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public int SatellitesUsed { get; init; }
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public int SatellitesVisible { get; init; }
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public double SpeedKmh { get; init; }
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public double Heading { get; init; }
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public double BatteryVoltage { get; init; }
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public int BatteryPercent { get; init; }
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public bool NtripConnected { get; init; }
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public int RtcmSize { get; init; }
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public double CorrectionAgeSeconds { get; init; }
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public long UnixTimestamp { get; init; }
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public double TiltAngle { get; init; }
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public string RawSentence { get; init; } = "";
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/// <summary>Local UTC time this fix was received by the app.</summary>
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public DateTime ReceivedUtc { get; init; } = DateTime.UtcNow;
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public bool HasPosition => Status != GnssFixStatus.NoFix;
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public string StatusLabel => Status switch
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{
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GnssFixStatus.NoFix => "No Fix",
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GnssFixStatus.Single => "Single",
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GnssFixStatus.Dgps => "DGPS",
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GnssFixStatus.RtkFixed => "RTK Fixed",
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GnssFixStatus.RtkFloat => "RTK Float",
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_ => Status.ToString(),
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};
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/// <summary>Parses a "$GNPOS,..." sentence (checksum must already be validated).</summary>
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public static GnssFix? TryParse(string sentence)
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{
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var body = NmeaSentence.Body(sentence);
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var f = body.Split(',');
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if (f.Length < 20 || f[0] != "GNPOS")
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return null;
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try
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{
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return new GnssFix
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{
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Latitude = D(f[1]),
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Longitude = D(f[2]),
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Altitude = D(f[3]),
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AltitudeCorrected = D(f[4]),
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Status = (GnssFixStatus)I(f[5]),
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Hdop = D(f[6]),
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Hrms = D(f[7]),
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Vrms = D(f[8]),
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SatellitesUsed = I(f[9]),
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SatellitesVisible = I(f[10]),
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SpeedKmh = D(f[11]),
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Heading = D(f[12]),
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BatteryVoltage = D(f[13]),
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BatteryPercent = I(f[14]),
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NtripConnected = I(f[15]) != 0,
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RtcmSize = I(f[16]),
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CorrectionAgeSeconds = D(f[17]),
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UnixTimestamp = long.Parse(f[18], CultureInfo.InvariantCulture),
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TiltAngle = D(f[19]),
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RawSentence = sentence.Trim(),
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};
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}
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catch (FormatException)
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{
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return null;
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}
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}
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private static double D(string s) => double.Parse(s, NumberStyles.Float, CultureInfo.InvariantCulture);
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private static int I(string s) => int.Parse(s, CultureInfo.InvariantCulture);
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}
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/// <summary>
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/// A parsed $GNDEV device-information sentence from the Maglink receiver.
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/// </summary>
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public sealed class GnssDeviceInfo
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{
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public string SerialNumber { get; init; } = "";
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public string PcbVersion { get; init; } = "";
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public string FirmwareVersion { get; init; } = "";
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public string Imei { get; init; } = "";
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public string Imsi { get; init; } = "";
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public string Iccid { get; init; } = "";
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public static GnssDeviceInfo? TryParse(string sentence)
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{
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var f = NmeaSentence.Body(sentence).Split(',');
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if (f.Length < 7 || f[0] != "GNDEV")
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return null;
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return new GnssDeviceInfo
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{
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SerialNumber = f[1],
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PcbVersion = f[2],
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FirmwareVersion = f[3],
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Imei = f[4],
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Imsi = f[5],
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Iccid = f[6],
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};
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}
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}
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/// <summary>NMEA framing helpers ($...*hh checksum).</summary>
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public static class NmeaSentence
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{
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/// <summary>Returns the sentence body between '$' and '*' (or end of string).</summary>
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public static string Body(string sentence)
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{
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var s = sentence.Trim().TrimStart('$');
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var star = s.IndexOf('*');
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return star >= 0 ? s[..star] : s;
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}
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public static byte Checksum(string sentence)
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{
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byte checksum = 0;
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foreach (var c in Body(sentence))
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checksum ^= (byte)c;
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return checksum;
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}
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/// <summary>Validates the trailing *hh checksum. Sentences without a checksum fail validation.</summary>
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public static bool VerifyChecksum(string sentence)
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{
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var star = sentence.LastIndexOf('*');
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if (star < 0 || star + 3 > sentence.TrimEnd().Length)
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return false;
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var hex = sentence.Substring(star + 1, 2);
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if (!byte.TryParse(hex, System.Globalization.NumberStyles.HexNumber,
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System.Globalization.CultureInfo.InvariantCulture, out var expected))
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return false;
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return Checksum(sentence) == expected;
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}
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}
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23
FieldLogger/Models/Job.cs
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23
FieldLogger/Models/Job.cs
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@@ -0,0 +1,23 @@
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using SQLite;
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namespace FieldLogger.Models;
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[Table("jobs")]
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public sealed class Job
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{
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[PrimaryKey, AutoIncrement]
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public int Id { get; set; }
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[NotNull]
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public string Name { get; set; } = "";
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public string Notes { get; set; } = "";
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public DateTime CreatedUtc { get; set; } = DateTime.UtcNow;
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/// <summary>Reserved for MQTT sync: server-side job identifier once provisioned remotely.</summary>
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public string? RemoteId { get; set; }
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/// <summary>Reserved for MQTT sync: true once all points have been pushed to the server.</summary>
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public bool Synced { get; set; }
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}
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145
FieldLogger/Models/LoggedPoint.cs
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145
FieldLogger/Models/LoggedPoint.cs
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@@ -0,0 +1,145 @@
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using SQLite;
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namespace FieldLogger.Models;
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/// <summary>
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/// One logged locate point: the full UM receiver PBDL packet joined with the
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/// GNSS fix that was current when the operator pressed the log button.
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/// </summary>
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[Table("points")]
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public sealed class LoggedPoint
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{
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[PrimaryKey, AutoIncrement]
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public int Id { get; set; }
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[Indexed]
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public int JobId { get; set; }
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public DateTime TimestampUtc { get; set; } = DateTime.UtcNow;
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// ---- UM locating receiver (PBDL schema 1) ----
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public int Mode { get; set; }
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public int Frequency { get; set; }
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public int FreqType { get; set; }
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public int Signal { get; set; }
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public int GainDb { get; set; }
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public string DepthRaw { get; set; } = "";
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public double? DepthMeters { get; set; }
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public string CurrentRaw { get; set; } = "";
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public double? CurrentMilliamps { get; set; }
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public int CompassAngle { get; set; }
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public int GuidanceArrows { get; set; }
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public int LdPhase { get; set; }
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public bool Clipping { get; set; }
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public int DepthCurrentSetting { get; set; }
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public int LrArrowStyle { get; set; }
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public int AudioVolume { get; set; }
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public int AudioModulation { get; set; }
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public int AudioSound { get; set; }
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public double LocatorBatteryVoltage { get; set; }
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public int LocatorBatteryType { get; set; }
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public int Backlight { get; set; }
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public int Utility { get; set; }
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public bool MenuInUse { get; set; }
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public string LocatorRawPacket { get; set; } = "";
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public string LocatorSerialNumber { get; set; } = "";
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public string LocatorModel { get; set; } = "";
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// ---- GNSS fix (Maglink $GNPOS) ----
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/// <summary>False when no fresh GNSS fix was available at log time; position fields are then unset.</summary>
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public bool GpsValid { get; set; }
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public double Latitude { get; set; }
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public double Longitude { get; set; }
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public double Altitude { get; set; }
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public double AltitudeCorrected { get; set; }
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public int FixStatus { get; set; }
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public double Hdop { get; set; }
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public double Hrms { get; set; }
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public double Vrms { get; set; }
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public int SatellitesUsed { get; set; }
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public int SatellitesVisible { get; set; }
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public double SpeedKmh { get; set; }
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public double HeadingDegrees { get; set; }
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public bool NtripConnected { get; set; }
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public double CorrectionAgeSeconds { get; set; }
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public long GpsUnixTimestamp { get; set; }
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public double TiltAngle { get; set; }
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public double GpsBatteryVoltage { get; set; }
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public int GpsBatteryPercent { get; set; }
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public string GpsRawSentence { get; set; } = "";
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public string GpsSerialNumber { get; set; } = "";
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/// <summary>Reserved for MQTT sync.</summary>
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public bool Synced { get; set; }
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[Ignore]
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public GnssFixStatus FixStatusEnum => (GnssFixStatus)FixStatus;
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[Ignore]
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public UmUtility UtilityEnum => (UmUtility)Utility;
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public static LoggedPoint From(int jobId, UmLogPacket packet, UmDeviceInfo? locatorInfo,
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GnssFix? fix, GnssDeviceInfo? gpsInfo)
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{
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var p = new LoggedPoint
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{
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JobId = jobId,
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TimestampUtc = DateTime.UtcNow,
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Mode = (int)packet.Mode,
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Frequency = packet.Frequency,
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FreqType = (int)packet.FreqType,
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Signal = packet.Signal,
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GainDb = packet.GainDb,
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DepthRaw = packet.DepthRaw,
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DepthMeters = packet.DepthMeters,
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CurrentRaw = packet.CurrentRaw,
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CurrentMilliamps = packet.CurrentMilliamps,
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CompassAngle = packet.CompassAngle,
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GuidanceArrows = packet.GuidanceArrows,
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LdPhase = packet.LdPhase,
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Clipping = packet.Clipping,
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DepthCurrentSetting = packet.DepthCurrentSetting,
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LrArrowStyle = packet.LrArrowStyle,
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AudioVolume = packet.AudioVolume,
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AudioModulation = packet.AudioModulation,
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AudioSound = packet.AudioSound,
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LocatorBatteryVoltage = packet.BatteryVoltage,
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LocatorBatteryType = (int)packet.BatteryType,
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Backlight = packet.Backlight,
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Utility = (int)packet.Utility,
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MenuInUse = packet.MenuInUse,
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LocatorRawPacket = packet.RawText,
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LocatorSerialNumber = locatorInfo?.SerialNumber ?? "",
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LocatorModel = locatorInfo?.ModelName ?? "",
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GpsSerialNumber = gpsInfo?.SerialNumber ?? "",
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};
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if (fix is not null)
|
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{
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p.GpsValid = fix.HasPosition;
|
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p.Latitude = fix.Latitude;
|
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p.Longitude = fix.Longitude;
|
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p.Altitude = fix.Altitude;
|
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p.AltitudeCorrected = fix.AltitudeCorrected;
|
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p.FixStatus = (int)fix.Status;
|
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p.Hdop = fix.Hdop;
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p.Hrms = fix.Hrms;
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p.Vrms = fix.Vrms;
|
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p.SatellitesUsed = fix.SatellitesUsed;
|
||||
p.SatellitesVisible = fix.SatellitesVisible;
|
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p.SpeedKmh = fix.SpeedKmh;
|
||||
p.HeadingDegrees = fix.Heading;
|
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p.NtripConnected = fix.NtripConnected;
|
||||
p.CorrectionAgeSeconds = fix.CorrectionAgeSeconds;
|
||||
p.GpsUnixTimestamp = fix.UnixTimestamp;
|
||||
p.TiltAngle = fix.TiltAngle;
|
||||
p.GpsBatteryVoltage = fix.BatteryVoltage;
|
||||
p.GpsBatteryPercent = fix.BatteryPercent;
|
||||
p.GpsRawSentence = fix.RawSentence;
|
||||
}
|
||||
|
||||
return p;
|
||||
}
|
||||
}
|
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51
FieldLogger/Models/UmDeviceInfo.cs
Normal file
51
FieldLogger/Models/UmDeviceInfo.cs
Normal file
@@ -0,0 +1,51 @@
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namespace FieldLogger.Models;
|
||||
|
||||
/// <summary>
|
||||
/// Info string the UM receiver sends the first time push-button data logging is enabled.
|
||||
/// </summary>
|
||||
public sealed class UmDeviceInfo
|
||||
{
|
||||
public string Manufacturer { get; init; } = "";
|
||||
public string ModelName { get; init; } = "";
|
||||
public string SerialNumber { get; init; } = "";
|
||||
public string BootloaderVersion { get; init; } = "";
|
||||
public string SoftwareVersion { get; init; } = "";
|
||||
public string ManufactureDate { get; init; } = "";
|
||||
public string CalibrationDate { get; init; } = "";
|
||||
public double HourCount { get; init; }
|
||||
public int PbdlSchema { get; init; }
|
||||
public string RawText { get; init; } = "";
|
||||
|
||||
/// <summary>
|
||||
/// Parses the 10-field info string (9 parameters followed by "OK").
|
||||
/// Returns null if the line does not match.
|
||||
/// </summary>
|
||||
public static UmDeviceInfo? TryParse(string line)
|
||||
{
|
||||
var fields = line.Trim().Split(',');
|
||||
if (fields.Length < 10 || !fields[^1].Trim().Equals("OK", StringComparison.OrdinalIgnoreCase))
|
||||
return null;
|
||||
|
||||
// Serial number is 9 digits; use it to distinguish from other OK-terminated responses.
|
||||
if (fields[2].Trim().Length < 6)
|
||||
return null;
|
||||
|
||||
double.TryParse(fields[7], System.Globalization.NumberStyles.Float,
|
||||
System.Globalization.CultureInfo.InvariantCulture, out var hours);
|
||||
int.TryParse(fields[8], out var schema);
|
||||
|
||||
return new UmDeviceInfo
|
||||
{
|
||||
Manufacturer = fields[0].Trim(),
|
||||
ModelName = fields[1].Trim(),
|
||||
SerialNumber = fields[2].Trim(),
|
||||
BootloaderVersion = fields[3].Trim(),
|
||||
SoftwareVersion = fields[4].Trim(),
|
||||
ManufactureDate = fields[5].Trim(),
|
||||
CalibrationDate = fields[6].Trim(),
|
||||
HourCount = hours,
|
||||
PbdlSchema = schema,
|
||||
RawText = line.Trim(),
|
||||
};
|
||||
}
|
||||
}
|
||||
141
FieldLogger/Models/UmLogPacket.cs
Normal file
141
FieldLogger/Models/UmLogPacket.cs
Normal file
@@ -0,0 +1,141 @@
|
||||
using System.Globalization;
|
||||
|
||||
namespace FieldLogger.Models;
|
||||
|
||||
public enum UmMode { Single = 0, Twin = 1, Null = 2, Sweep = 3, TwinSweep = 4, Omni = 5, TwinOmni = 6 }
|
||||
|
||||
public enum UmFreqType { Active = 0, LdActive = 1, Power = 2, GroupedPower = 3, Cathodic = 4, Sonde = 5, Radio = 6, FaultFind = 7 }
|
||||
|
||||
public enum UmUtility { None = 0, Gas = 1, Power = 2, Communications = 3, Water = 4, Sewer = 5, Fiber = 6, Other = 7 }
|
||||
|
||||
public enum UmBatteryType { NotMeasured = 0, Alkaline = 1, AlkalineError = 2, Lithium = 3 }
|
||||
|
||||
/// <summary>
|
||||
/// A single push-button data-log packet from the UM locating receiver
|
||||
/// (PBDL schema 1, 21 comma-delimited fields).
|
||||
/// </summary>
|
||||
public sealed class UmLogPacket
|
||||
{
|
||||
public UmMode Mode { get; init; }
|
||||
public int Frequency { get; init; }
|
||||
public UmFreqType FreqType { get; init; }
|
||||
public int Signal { get; init; } // 0 - 99
|
||||
public int GainDb { get; init; } // 0 - 145 dB
|
||||
public string DepthRaw { get; init; } = ""; // "X' Y\"" imperial, "X.Yym" metric, "- - -" no depth
|
||||
public string CurrentRaw { get; init; } = ""; // 0 - 999mA
|
||||
public int CompassAngle { get; init; } // 0 - 180 degrees (direction ambiguous)
|
||||
public int GuidanceArrows { get; init; } // -300 to 300, negative = left
|
||||
public int LdPhase { get; init; }
|
||||
public bool Clipping { get; init; }
|
||||
public int DepthCurrentSetting { get; init; } // 0 ON, 1 AUTO
|
||||
public int LrArrowStyle { get; init; } // 0 OFF, 1 Style 1, 2 Style 2
|
||||
public int AudioVolume { get; init; } // 0 - 3
|
||||
public int AudioModulation { get; init; } // 0 AM, 1 FM
|
||||
public int AudioSound { get; init; } // 0 Smooth, 1 Rough
|
||||
public double BatteryVoltage { get; init; }
|
||||
public UmBatteryType BatteryType { get; init; }
|
||||
public int Backlight { get; init; } // 0 Low, 1 Medium, 2 High
|
||||
public UmUtility Utility { get; init; }
|
||||
public bool MenuInUse { get; init; }
|
||||
public string RawText { get; init; } = "";
|
||||
|
||||
public const int FieldCount = 21;
|
||||
|
||||
/// <summary>Depth converted to meters, when the raw string can be interpreted; otherwise null.</summary>
|
||||
public double? DepthMeters => TryParseDepthMeters(DepthRaw);
|
||||
|
||||
/// <summary>Current in mA parsed from the raw string, when possible.</summary>
|
||||
public double? CurrentMilliamps
|
||||
{
|
||||
get
|
||||
{
|
||||
var s = CurrentRaw.Trim().TrimEnd('A', 'a').TrimEnd('m', 'M');
|
||||
return double.TryParse(s, NumberStyles.Float, CultureInfo.InvariantCulture, out var v) ? v : null;
|
||||
}
|
||||
}
|
||||
|
||||
public static double? TryParseDepthMeters(string raw)
|
||||
{
|
||||
raw = raw.Trim();
|
||||
if (raw.Length == 0 || raw.Contains("- -"))
|
||||
return null;
|
||||
|
||||
// Metric: "X.Yym" e.g. "1.23m"
|
||||
if (raw.EndsWith("m", StringComparison.OrdinalIgnoreCase))
|
||||
{
|
||||
var s = raw[..^1].Trim();
|
||||
if (double.TryParse(s, NumberStyles.Float, CultureInfo.InvariantCulture, out var meters))
|
||||
return meters;
|
||||
return null;
|
||||
}
|
||||
|
||||
// Imperial: feet' inches" e.g. "3' 7"" or "3' 7'"
|
||||
if (raw.Contains('\''))
|
||||
{
|
||||
var parts = raw.Split('\'', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries);
|
||||
if (parts.Length >= 1 &&
|
||||
double.TryParse(parts[0], NumberStyles.Float, CultureInfo.InvariantCulture, out var feet))
|
||||
{
|
||||
double inches = 0;
|
||||
if (parts.Length >= 2)
|
||||
{
|
||||
var inchStr = parts[1].TrimEnd('"');
|
||||
double.TryParse(inchStr, NumberStyles.Float, CultureInfo.InvariantCulture, out inches);
|
||||
}
|
||||
return (feet + inches / 12.0) * 0.3048;
|
||||
}
|
||||
}
|
||||
|
||||
return null;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Parses a 21-field PBDL schema 1 packet. Returns null if the line does not look like a data packet.
|
||||
/// </summary>
|
||||
public static UmLogPacket? TryParse(string line)
|
||||
{
|
||||
var fields = line.Trim().Split(',');
|
||||
if (fields.Length < FieldCount)
|
||||
return null;
|
||||
|
||||
// First field must be a small integer (Mode 0-6) to qualify as a data packet.
|
||||
if (!int.TryParse(fields[0], out var mode) || mode is < 0 or > 6)
|
||||
return null;
|
||||
|
||||
try
|
||||
{
|
||||
return new UmLogPacket
|
||||
{
|
||||
Mode = (UmMode)mode,
|
||||
Frequency = ParseInt(fields[1]),
|
||||
FreqType = (UmFreqType)ParseInt(fields[2]),
|
||||
Signal = ParseInt(fields[3]),
|
||||
GainDb = ParseInt(fields[4]),
|
||||
DepthRaw = fields[5].Trim(),
|
||||
CurrentRaw = fields[6].Trim(),
|
||||
CompassAngle = ParseInt(fields[7]),
|
||||
GuidanceArrows = ParseInt(fields[8]),
|
||||
LdPhase = ParseInt(fields[9]),
|
||||
Clipping = ParseInt(fields[10]) != 0,
|
||||
DepthCurrentSetting = ParseInt(fields[11]),
|
||||
LrArrowStyle = ParseInt(fields[12]),
|
||||
AudioVolume = ParseInt(fields[13]),
|
||||
AudioModulation = ParseInt(fields[14]),
|
||||
AudioSound = ParseInt(fields[15]),
|
||||
BatteryVoltage = ParseDouble(fields[16]),
|
||||
BatteryType = (UmBatteryType)ParseInt(fields[17]),
|
||||
Backlight = ParseInt(fields[18]),
|
||||
Utility = (UmUtility)ParseInt(fields[19]),
|
||||
MenuInUse = ParseInt(fields[20]) != 0,
|
||||
RawText = line.Trim(),
|
||||
};
|
||||
}
|
||||
catch (FormatException)
|
||||
{
|
||||
return null;
|
||||
}
|
||||
}
|
||||
|
||||
private static int ParseInt(string s) => int.Parse(s.Trim(), CultureInfo.InvariantCulture);
|
||||
private static double ParseDouble(string s) => double.Parse(s.Trim(), NumberStyles.Float, CultureInfo.InvariantCulture);
|
||||
}
|
||||
Reference in New Issue
Block a user