From 79e6523d0da84fe9243bb52b17ddc8cf65da13b4 Mon Sep 17 00:00:00 2001
From: mort5161 <mnielsen@esri.com>
Date: Mon, 28 Jul 2014 16:51:48 -0700
Subject: [PATCH] Added GPGLL

---
 src/NmeaParser.Shared/Nmea/Gps/GPGLL.cs       | 64 +++++++++++++++++++
 .../NmeaParser.Shared.projitems               |  1 +
 src/NmeaParser.Tests/NmeaMessages.cs          | 26 ++++++++
 3 files changed, 91 insertions(+)
 create mode 100644 src/NmeaParser.Shared/Nmea/Gps/GPGLL.cs

diff --git a/src/NmeaParser.Shared/Nmea/Gps/GPGLL.cs b/src/NmeaParser.Shared/Nmea/Gps/GPGLL.cs
new file mode 100644
index 0000000..e460e82
--- /dev/null
+++ b/src/NmeaParser.Shared/Nmea/Gps/GPGLL.cs
@@ -0,0 +1,64 @@
+//
+// 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>
+	///  Geographic position, latitude / longitude
+	/// </summary>
+	[NmeaMessageType(Type = "GPGLL")]
+	public class Gpgll : NmeaMessage
+	{
+		protected override void LoadMessage(string[] message)
+		{
+			var time = message[0];
+			Latitude = NmeaMessage.StringToLatitude(message[0], message[1]);
+			Longitude = NmeaMessage.StringToLongitude(message[2], message[3]);
+			if (message.Length >= 5 && message[4].Length == 6) //Some older GPS doesn't broadcast fix time
+			{
+				FixTime = new TimeSpan(int.Parse(message[4].Substring(0, 2)),
+								   int.Parse(message[4].Substring(2, 2)),
+								   int.Parse(message[4].Substring(4, 2)));
+			}
+			DataActive = (message.Length < 6 || message[5] == "A");
+		}
+
+		/// <summary>
+		/// Latitude
+		/// </summary>
+		public double Latitude { get; private set; }
+
+		/// <summary>
+		/// Longitude
+		/// </summary>
+		public double Longitude { get; private set; }
+
+		/// <summary>
+		/// Time since last DGPS update
+		/// </summary>
+		public TimeSpan FixTime { get; set; }
+
+		public bool DataActive { get; set; }
+
+	}
+}
diff --git a/src/NmeaParser.Shared/NmeaParser.Shared.projitems b/src/NmeaParser.Shared/NmeaParser.Shared.projitems
index d6ab5da..085cf0b 100644
--- a/src/NmeaParser.Shared/NmeaParser.Shared.projitems
+++ b/src/NmeaParser.Shared/NmeaParser.Shared.projitems
@@ -12,6 +12,7 @@
     <Compile Include="$(MSBuildThisFileDirectory)NmeaDevice.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)NmeaFileDevice.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Nmea\Gps\Garmin\PGRME.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Nmea\Gps\GPGLL.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Nmea\Gps\GPGSV.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Nmea\Gps\GPGSA.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Nmea\Gps\GPGGA.cs" />
diff --git a/src/NmeaParser.Tests/NmeaMessages.cs b/src/NmeaParser.Tests/NmeaMessages.cs
index 429a69a..48fc655 100644
--- a/src/NmeaParser.Tests/NmeaMessages.cs
+++ b/src/NmeaParser.Tests/NmeaMessages.cs
@@ -237,5 +237,31 @@ namespace NmeaParser.Tests
 			Assert.IsNotNull(gsv.SVs);
 			Assert.AreEqual(0, gsv.SVs.Length);
 		}
+
+		[TestMethod]
+		public void TestGpgll()
+		{
+			string input = "$GPGLL,4916.45,N,12311.12,W,225444,A,*1D";
+			var msg = NmeaMessage.Parse(input);
+			Assert.IsInstanceOfType(msg, typeof(Gpgll));
+			Gpgll gll = (Gpgll)msg;
+			Assert.IsTrue(gll.DataActive);
+			Assert.AreEqual(49.2741666666666666667, gll.Latitude);
+			Assert.AreEqual(-123.18533333333333333, gll.Longitude);
+			Assert.AreEqual(new TimeSpan(22,54,44), gll.FixTime);
+		}
+
+		[TestMethod]
+		public void TestGpgll_NoFixTime_OrActiveIndicator()
+		{
+			string input = "$GPGLL,3751.65,S,14507.36,E*77";
+			var msg = NmeaMessage.Parse(input);
+			Assert.IsInstanceOfType(msg, typeof(Gpgll));
+			Gpgll gll = (Gpgll)msg;
+			Assert.IsTrue(gll.DataActive);
+			Assert.AreEqual(-37.860833333333333333, gll.Latitude);
+			Assert.AreEqual(145.1226666666666666667, gll.Longitude);
+			Assert.AreEqual(TimeSpan.Zero, gll.FixTime);
+		}
 	}
 }