Added GPGST message

src/NmeaParser.Shared/Nmea/Gps/GPGST.cs

@@ -0,0 +1,105 @@
+//
+// Copyright (c) 2014 Morten Nielsen
+//
+// Licensed under the Microsoft Public License (Ms-PL) (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://opensource.org/licenses/Ms-PL.html
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace NmeaParser.Nmea.Gps
+{
+	/// <summary>
+	/// Position error statistics
+	/// </summary>
+	[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = "Gpgst")]
+	[NmeaMessageType("GPGST")]
+	public class Gpgst : NmeaMessage
+	{
+		/// <summary>
+		/// Called when the message is being loaded.
+		/// </summary>
+		/// <param name="message">The NMEA message values.</param>
+		protected override void OnLoadMessage(string[] message)
+		{
+			if (message == null || message.Length < 8)
+				throw new ArgumentException("Invalid GPGST", "message");
+			if (message[0].Length >= 6)
+			{
+				FixTime = new TimeSpan(int.Parse(message[0].Substring(0, 2), CultureInfo.InvariantCulture),
+								   int.Parse(message[0].Substring(2, 2), CultureInfo.InvariantCulture), 0)
+								   .Add(TimeSpan.FromSeconds(double.Parse(message[0].Substring(4), CultureInfo.InvariantCulture)));
+			}
+			Rms = NmeaMessage.StringToDouble(message[1]);
+			SemiMajorError = NmeaMessage.StringToDouble(message[2]);
+			SemiMinorError = NmeaMessage.StringToDouble(message[3]);
+			ErrorOrientation = NmeaMessage.StringToDouble(message[4]);
+			SigmaLatitudeError = NmeaMessage.StringToDouble(message[5]);
+			SigmaLongitudeError = NmeaMessage.StringToDouble(message[6]);
+			SigmaHeightError = NmeaMessage.StringToDouble(message[7]);			
+		}
+
+		/// <summary>
+		/// UTC of position fix
+		/// </summary>
+		public TimeSpan FixTime { get; private set; }
+
+		/// <summary>
+		/// RMS value of the pseudorange residuals; includes carrier phase residuals during periods of RTK (float) and RTK (fixed) processing
+		/// </summary>
+		public double Rms { get; private set; }
+
+		/// <summary>
+		/// Error ellipse semi-major axis 1 sigma error, in meters
+		/// </summary>
+		public double SemiMajorError { get; private set; }
+
+		/// <summary>
+		/// Error ellipse semi-minor axis 1 sigma error, in meters
+		/// </summary>
+		public double SemiMinorError { get; private set; }
+
+		/// <summary>
+		/// Error ellipse orientation, degrees from true north
+		/// </summary>
+		public double ErrorOrientation { get; private set; }
+
+		/// <summary>
+		/// Latitude 1 sigma error, in meters
+		/// </summary>
+		/// <remarks>
+		/// The error expressed as one standard deviation.
+		/// </remarks>
+		public double SigmaLatitudeError { get; private set; }
+
+		/// <summary >
+		/// Longitude 1 sigma error, in meters
+		/// </summary>
+		/// <remarks>
+		/// The error expressed as one standard deviation.
+		/// </remarks>
+		public double SigmaLongitudeError { get; private set; }
+
+		/// <summary >
+		/// Height 1 sigma error, in meters
+		/// </summary>
+		/// <remarks>
+		/// The error expressed as one standard deviation.
+		/// </remarks>
+		public double SigmaHeightError { get; private set; }
+	}
+}

src/NmeaParser.Shared/NmeaParser.Shared.projitems

@@ -17,6 +17,7 @@
     <Compile Include="$(MSBuildThisFileDirectory)Nmea\Gps\Garmin\PGRME.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Nmea\Gps\GPGLL.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Nmea\Gps\GPBOD.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Nmea\Gps\GPGST.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Nmea\Gps\GPRTE.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Nmea\Gps\GPGSV.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Nmea\Gps\GPGSA.cs" />

src/NmeaParser.Tests/NmeaMessages.cs

@@ -37,17 +37,17 @@ namespace NmeaParser.Tests
 			while(!reader.EndOfStream)
 			{
 				var line = reader.ReadLine();
-				if(line.StartsWith("$"))
+				if (line.StartsWith("$"))
 				{
-						var msg = NmeaMessage.Parse(line);
-						Assert.IsNotNull(msg);
+					var msg = NmeaMessage.Parse(line);
+					Assert.IsNotNull(msg);
 					var idx = line.IndexOf('*');
 					if (idx >= 0)
 					{
 						byte checksum = (byte)Convert.ToInt32(line.Substring(idx + 1), 16);
 						Assert.AreEqual(checksum, msg.Checksum);
 					}
-						Assert.IsNotInstanceOfType(msg, typeof(Nmea.UnknownMessage), "Type " + msg.MessageType + " not supported");
+					Assert.IsNotInstanceOfType(msg, typeof(Nmea.UnknownMessage), "Type " + msg.MessageType + " not supported");
 				}
 			}
 		}
@@ -356,5 +356,23 @@ namespace NmeaParser.Tests
 			Assert.AreEqual("32BKLD", gsv.Waypoints[4]);
 			Assert.AreEqual("BW-198", gsv.Waypoints[8]);
 		}
+
+
+		[TestMethod]
+		public void TestGpgst()
+		{
+			string input = "$GPGST,172814.0,0.006,0.023,0.020,273.6,0.023,0.020,0.031*6A";
+			var msg = NmeaMessage.Parse(input);
+			Assert.IsInstanceOfType(msg, typeof(Gpgst));
+			Gpgst gst = (Gpgst)msg;
+			Assert.AreEqual(new TimeSpan(17, 28, 14), gst.FixTime);
+			Assert.AreEqual(0.006, gst.Rms);
+			Assert.AreEqual(0.023, gst.SemiMajorError);
+			Assert.AreEqual(0.02, gst.SemiMinorError);
+			Assert.AreEqual(273.6, gst.ErrorOrientation);
+			Assert.AreEqual(0.023, gst.SigmaLatitudeError);
+			Assert.AreEqual(0.020, gst.SigmaLongitudeError);
+			Assert.AreEqual(0.031, gst.SigmaHeightError);
+		}
 	}
 }