From 8478af26bf4aaf4476459e50948a23b309263d7f Mon Sep 17 00:00:00 2001
From: Sebastian Godelet <sebastian.godelet@outlook.com>
Date: Mon, 28 Jun 2021 14:16:00 +1000
Subject: [PATCH] Implemented TrackingRate via GT

---
 .../TelescopeUnitTests.cs                     | 10 +++++++++
 Meade.net.Telescope/Telescope.cs              | 21 +++++--------------
 2 files changed, 15 insertions(+), 16 deletions(-)

diff --git a/Meade.net.Telescope.UnitTests/TelescopeUnitTests.cs b/Meade.net.Telescope.UnitTests/TelescopeUnitTests.cs
index 0276cfe..7536c95 100644
--- a/Meade.net.Telescope.UnitTests/TelescopeUnitTests.cs
+++ b/Meade.net.Telescope.UnitTests/TelescopeUnitTests.cs
@@ -53,6 +53,7 @@ namespace Meade.net.Telescope.UnitTests
 
         private bool _isParked;
         private ParkedPosition _parkedPosition;
+        private string _trackingRate;
 
         [SetUp]
         public void Setup()
@@ -134,6 +135,12 @@ namespace Meade.net.Telescope.UnitTests
             _sharedResourcesWrapperMock.Setup(x => x.SendString("GL", false)).Returns(() => _testProperties.telescopeTime);
             _sharedResourcesWrapperMock.Setup(x => x.SendString("GG", false)).Returns(() => _testProperties.telescopeUtcCorrection);
 
+            const string siderealTrackingRate = "+60.1";
+            _trackingRate = siderealTrackingRate;
+            _sharedResourcesWrapperMock.Setup(x => x.SendString("GT", false)).Returns(() => _trackingRate);
+            _sharedResourcesWrapperMock.Setup(x => x.SendBlind("TL", false)).Callback(() => _trackingRate = "lunar");
+            _sharedResourcesWrapperMock.Setup(x => x.SendBlind("TQ", false)).Callback(() => _trackingRate = siderealTrackingRate);
+
             _sharedResourcesWrapperMock.Setup(x => x.ProductName).Returns(() => productName);
             _sharedResourcesWrapperMock.Setup(x => x.FirmwareVersion).Returns(() => firmwareVersion);
 
@@ -2672,7 +2679,10 @@ namespace Meade.net.Telescope.UnitTests
 
             _telescope.TrackingRate = rate;
 
+            Assert.That(_telescope.TrackingRate, Is.EqualTo(rate));
+
             _sharedResourcesWrapperMock.Verify(x => x.SendBlind(commandString, false), Times.Once);
+            _sharedResourcesWrapperMock.Verify(x => x.SendString("GT", false), Times.Once);
         }
 
         [Test]
diff --git a/Meade.net.Telescope/Telescope.cs b/Meade.net.Telescope/Telescope.cs
index 7f4afcd..a3c5e1e 100644
--- a/Meade.net.Telescope/Telescope.cs
+++ b/Meade.net.Telescope/Telescope.cs
@@ -2606,26 +2606,17 @@ namespace ASCOM.Meade.net
             }
         }
 
-        private DriveRates _trackingRate = DriveRates.driveSidereal;
-
         public DriveRates TrackingRate
         {
             get
             {
-                //todo implement this with the GW command
-                //var result = SerialPort.CommandTerminated(":GT#", "#");
+                var rate = CommandString("GT", false);
 
-                //double rate = double.Parse(result);
+                if (rate == "+60.1")
+                    return DriveRates.driveSidereal;
 
-
-                //if (rate == 60.1)
-                //    return DriveRates.driveLunar;
-                //else if (rate == 60.1)
-                //    return DriveRates.driveSidereal;
-
-                //return DriveRates.driveKing;
-                LogMessage("TrackingRate Get", $"{_trackingRate}");
-                return _trackingRate;
+                // we only support two rates ATM so return lunar tracking rate
+                return DriveRates.driveLunar;
             }
             set
             {
@@ -2657,8 +2648,6 @@ namespace ASCOM.Meade.net
                     default:
                         throw new ArgumentOutOfRangeException(nameof(value), value, null);
                 }
-
-                _trackingRate = value;
             }
         }