Added support for parking the scope

Added support for reading the scope Azimuth

MeadeAutostar497.UnitTests/TelescopeControllerUnitTests.cs

@@ -7,7 +7,6 @@ using ASCOM.DeviceInterface;
 using ASCOM.MeadeAutostar497.Controller;
 using Moq;
 using NUnit.Framework;
-using InvalidOperationException = ASCOM.InvalidOperationException;
 
 namespace MeadeAutostar497.UnitTests
 {
@@ -31,19 +30,20 @@ namespace MeadeAutostar497.UnitTests
             serialMock = new Mock<ISerialProcessor>();
             serialMock.SetupAllProperties();
             serialMock.Setup(x => x.GetPortNames()).Returns(() => _availableComPorts.ToArray());
-            serialMock.Setup(x => x.CommandTerminated(It.IsAny<string>(), It.IsAny<string>())).Returns(() => _stringToRecieve);
+            serialMock.Setup(x => x.CommandTerminated(It.IsAny<string>(), It.IsAny<string>()))
+                .Returns(() => _stringToRecieve);
             serialMock.Setup(x => x.IsOpen).Returns(() => _isConnected);
 
             //Todo inject the serialMock instead of using a singleton to increase code stability.
-
             _telescopeController = TelescopeController.Instance;
-            _telescopeController.Connected = false;
             _telescopeController.SerialPort = serialMock.Object;
         }
 
         [TearDown]
         public void TearDown()
         {
+            _isConnected = false;
+            _telescopeController.Connected = false;
             _telescopeController.Port = "COM1";
         }
 
@@ -97,7 +97,7 @@ namespace MeadeAutostar497.UnitTests
         public void WhenOpensComPortToNonAutostarThrowException()
         {
             Assert.That(serialMock.Object.IsOpen, Is.False);
-            var exception = Assert.Throws<InvalidOperationException>(() => { _telescopeController.Connected = true; });
+            var exception = Assert.Throws<ASCOM.InvalidOperationException>(() => { _telescopeController.Connected = true; });
 
             Assert.That(exception.Message, Is.EqualTo("Failed to communicate with telescope."));
 
@@ -114,7 +114,7 @@ namespace MeadeAutostar497.UnitTests
 
             Mock<ISerialProcessor> newSerialMock = new Mock<ISerialProcessor>();
 
-            var exception = Assert.Throws<InvalidOperationException>( () => { _telescopeController.SerialPort = newSerialMock.Object; });
+            var exception = Assert.Throws<ASCOM.InvalidOperationException>( () => { _telescopeController.SerialPort = newSerialMock.Object; });
 
             Assert.That(exception, Is.Not.Null);
             Assert.That(exception.Message, Is.EqualTo("Please disconnect before changing the serial engine."));
@@ -141,7 +141,7 @@ namespace MeadeAutostar497.UnitTests
             _isConnected = true;
 
             _telescopeController.Connected = true;
-            var exception = Assert.Throws<InvalidOperationException>( () => _telescopeController.Port = "COM2");
+            var exception = Assert.Throws<ASCOM.InvalidOperationException>( () => _telescopeController.Port = "COM2");
 
             Assert.That(exception.Message, Is.EqualTo("Please disconnect from the scope before changing port."));
 
@@ -151,7 +151,7 @@ namespace MeadeAutostar497.UnitTests
         [Test]
         public void SettingPortToInvalidPortFails()
         {
-            var exception = Assert.Throws<InvalidOperationException>(() => _telescopeController.Port = "COM5");
+            var exception = Assert.Throws<ASCOM.InvalidOperationException>(() => _telescopeController.Port = "COM5");
 
             Assert.That(exception.Message, Is.EqualTo("Unable to select port COM5 as it does not exist."));
 
@@ -318,7 +318,7 @@ namespace MeadeAutostar497.UnitTests
 
             _telescopeController.Connected = true;
 
-            var exception = Assert.Throws<InvalidOperationException>(() => { _telescopeController.SiteLatitude = 10; });
+            var exception = Assert.Throws<ASCOM.InvalidOperationException>(() => { _telescopeController.SiteLatitude = 10; });
 
             Assert.That(exception.Message, Is.EqualTo("Failed to set site latitude."));
         }
@@ -383,7 +383,7 @@ namespace MeadeAutostar497.UnitTests
 
             _telescopeController.Connected = true;
 
-            var exception = Assert.Throws<InvalidOperationException>(() => { _telescopeController.SiteLongitude = 10; });
+            var exception = Assert.Throws<ASCOM.InvalidOperationException>(() => { _telescopeController.SiteLongitude = 10; });
 
             Assert.That(exception.Message, Is.EqualTo("Failed to set site longitude."));
         }
@@ -482,7 +482,6 @@ namespace MeadeAutostar497.UnitTests
         public void AtParkIsFalseByDefault()
         {
             _isConnected = true;
-
             _telescopeController.Connected = true;
 
             Assert.That( _telescopeController.AtPark, Is.False );
@@ -522,5 +521,20 @@ namespace MeadeAutostar497.UnitTests
 
             serialMock.Verify(x => x.Command(":hP#"), Times.Once);
         }
+
+        [TestCase("356*13",356.21666666666664)]
+        [TestCase("356*13'21", 356.22249999999997)]
+        public void Azimuth_CanGetValue( string response, double expectedResult )
+        {
+            serialMock.Setup(x => x.CommandTerminated(":GZ#", "#")).Returns(response);
+
+            _isConnected = true;
+
+            _telescopeController.Connected = true;
+
+            var az = _telescopeController.Azimuth;
+
+            Assert.That( az, Is.EqualTo(expectedResult));
+        }
     }
 }

MeadeAutostar497/AscomClasses/Telescope.cs

@@ -358,8 +358,9 @@ namespace ASCOM.MeadeAutostar497
         {
             get
             {
-                tl.LogMessage("Azimuth Get", "Not implemented");
+                var az = _telescopeController.Azimuth;
-                throw new ASCOM.PropertyNotImplementedException("Azimuth", false);
+                tl.LogMessage("Azimuth Get", $"{az}");
+                return az;
             }
         }
 

MeadeAutostar497/Controller/ITelescopeController.cs

@@ -14,6 +14,7 @@ namespace ASCOM.MeadeAutostar497.Controller
         double SiteLongitude { get; set; }
         AlignmentModes AlignmentMode { get; set; }
         bool AtPark { get; }
+        double Azimuth { get; }
         void AbortSlew();
         void PulseGuide(GuideDirections direction, int duration);
         void Park();

MeadeAutostar497/Controller/TelescopeController.cs

@@ -13,6 +13,7 @@ namespace ASCOM.MeadeAutostar497.Controller
 
         public static TelescopeController Instance => lazy.Value;
 
+        //todo remove this as it can cause problems in production
         private ISerialProcessor _serialPort;
         public ISerialProcessor SerialPort
         {
@@ -68,6 +69,7 @@ namespace ASCOM.MeadeAutostar497.Controller
                     //Connecting
                     try
                     {
+                        _parked = false;
                         SerialPort.DtrEnable = false;
                         SerialPort.RtsEnable = false;
                         SerialPort.BaudRate = 9600;
@@ -90,6 +92,7 @@ namespace ASCOM.MeadeAutostar497.Controller
                 {
                     //Disconnecting
                     SerialPort.Close();
+                    _parked = false;
                 }
             }
         }
@@ -215,16 +218,22 @@ namespace ASCOM.MeadeAutostar497.Controller
             }
         }
 
+        private double DMSToDouble(string DMS)
+        {
+            double l = int.Parse(DMS.Substring(0, 3));
+            l = l + double.Parse(DMS.Substring(4, 2)) / 60;
+            if (DMS.Length == 9)
+                l = l + double.Parse(DMS.Substring(7, 2)) / 60 / 60;
+
+            return l;
+        }
+
         public double SiteLongitude
         {
             get
             {
                 var longitude = SerialPort.CommandTerminated(":Gg#", "#");
-
+                double l = DMSToDouble(longitude);
-                double l = int.Parse(longitude.Substring(0, 3));
-                l = l + double.Parse(longitude.Substring(4, 2)) / 60;
-                if (longitude.Length == 9)
-                    l = l + double.Parse(longitude.Substring(7, 2)) / 60 / 60;
 
                 if (l > 180)
                     l = l - 360;
@@ -254,6 +263,12 @@ namespace ASCOM.MeadeAutostar497.Controller
             get
             {
                 var alignmentString = SerialPort.CommandTerminated(":GW#", "#");
+                //:GW# Get Scope Alignment Status
+                //Returns: <mount><tracking><alignment>#
+                //    where:
+                //mount: A - AzEl mounted, P - Equatorially mounted, G - german mounted equatorial
+                //tracking: T - tracking, N - not tracking
+                //alignment: 0 - needs alignment, 1 - one star aligned, 2 - two star aligned, 3 - three star aligned.
 
                 switch (alignmentString[0])
                 {
@@ -263,22 +278,21 @@ namespace ASCOM.MeadeAutostar497.Controller
                     default:
                         throw new ASCOM.InvalidValueException($"unknown alignment returned from telescope: {alignmentString[0]}");
                 }
-                //:GW# Get Scope Alignment Status
-                //Returns: <mount><tracking><alignment>#
-                //    where:
-                //mount: A - AzEl mounted, P - Equatorially mounted, G - german mounted equatorial
-                //tracking: T - tracking, N - not tracking
-                //alignment: 0 - needs alignment, 1 - one star aligned, 2 - two star aligned, 3 - three star aligned.
             }
             set
             {
                 switch (value)
                 {
-                    case AlignmentModes.algAltAz: SerialPort.Command(":AA#");
+                    case AlignmentModes.algAltAz:
+                        SerialPort.Command(":AA#");
+                        //:AA# Sets telescope the AltAz alignment mode
+                        //Returns: nothing
                         break;
                     case AlignmentModes.algPolar:
                     case AlignmentModes.algGermanPolar:
                         SerialPort.Command(":AP#");
+                        //:AP# Sets telescope to Polar alignment mode
+                        //Returns: nothing
                         break;
                     default:
                         throw new ArgumentOutOfRangeException(nameof(value), value, null);
@@ -286,10 +300,6 @@ namespace ASCOM.MeadeAutostar497.Controller
 
                 //:AL# Sets telescope to Land alignment mode
                 //Returns: nothing
-                //:AP# Sets telescope to Polar alignment mode
-                //Returns: nothing
-                //:AA# Sets telescope the AltAz alignment mode
-                //Returns: nothing
             }
         }
 
@@ -297,6 +307,21 @@ namespace ASCOM.MeadeAutostar497.Controller
 
         public bool AtPark => _parked;
 
+        public double Azimuth
+        {
+            get
+            {
+                var result = SerialPort.CommandTerminated(":GZ#", "#");
+                //:GZ# Get telescope azimuth
+                //Returns: DDD*MM#T or DDD*MM’SS#
+                //The current telescope Azimuth depending on the selected precision.
+
+                double az = DMSToDouble(result);
+                
+                return az;
+            }
+        }       
+
         public void AbortSlew()
         {
             SerialPort.Command("#:Q#");