From cc5eabdfab0e04cc5dac40a8ca0f2c55b00887f8 Mon Sep 17 00:00:00 2001
From: Colin <me@cjdawson.com>
Date: Mon, 6 May 2019 23:10:05 +0100
Subject: [PATCH] Implemented slew to target

---
 MeadeAutostar497/AscomClasses/Telescope.cs     |  8 ++++----
 .../Controller/ITelescopeController.cs         |  2 ++
 .../Controller/TelescopeController.cs          | 18 ++++++++++++++++++
 3 files changed, 24 insertions(+), 4 deletions(-)

diff --git a/MeadeAutostar497/AscomClasses/Telescope.cs b/MeadeAutostar497/AscomClasses/Telescope.cs
index b584e82..f3a966d 100644
--- a/MeadeAutostar497/AscomClasses/Telescope.cs
+++ b/MeadeAutostar497/AscomClasses/Telescope.cs
@@ -804,14 +804,14 @@ namespace ASCOM.MeadeAutostar497
 
         public void SlewToTarget()
         {
-            tl.LogMessage("SlewToTarget", "Not implemented");
-            throw new ASCOM.MethodNotImplementedException("SlewToTarget");
+            tl.LogMessage("SlewToTarget", "Executing");
+            _telescopeController.SlewToTarget();
         }
 
         public void SlewToTargetAsync()
         {
-            tl.LogMessage("SlewToTargetAsync", "Not implemented");
-            throw new ASCOM.MethodNotImplementedException("SlewToTargetAsync");
+            tl.LogMessage("SlewToTargetAsync", "Executing");
+            _telescopeController.SlewToTargetAsync();
         }
 
         public bool Slewing
diff --git a/MeadeAutostar497/Controller/ITelescopeController.cs b/MeadeAutostar497/Controller/ITelescopeController.cs
index 2e7b7b4..10c792d 100644
--- a/MeadeAutostar497/Controller/ITelescopeController.cs
+++ b/MeadeAutostar497/Controller/ITelescopeController.cs
@@ -28,5 +28,7 @@ namespace ASCOM.MeadeAutostar497.Controller
         void SlewToAltAz(double azimuth, double altitude);
         void SlewToAltAzAsync(double azimuth, double altitude);
         void SyncToTarget();
+        void SlewToTarget();
+        void SlewToTargetAsync();
     }
 }
\ No newline at end of file
diff --git a/MeadeAutostar497/Controller/TelescopeController.cs b/MeadeAutostar497/Controller/TelescopeController.cs
index f79bc7a..ed8e5b1 100644
--- a/MeadeAutostar497/Controller/TelescopeController.cs
+++ b/MeadeAutostar497/Controller/TelescopeController.cs
@@ -633,6 +633,24 @@ namespace ASCOM.MeadeAutostar497.Controller
                 throw new ASCOM.InvalidOperationException("Unable to perform sync");
         }
 
+        public void SlewToTarget()
+        {
+            SlewToTargetAsync();
+
+            while (Slewing)
+            {
+                Util.WaitForMilliseconds(200);
+            }
+        }
+
+        public void SlewToTargetAsync()
+        {
+            if (TargetDeclination == INVALID_PARAMETER || TargetRightAscension == INVALID_PARAMETER )
+                throw new ASCOM.InvalidOperationException("No target selected to slew to.");
+
+            DoSlewAsync(true);
+        }
+
         //todo remove the polar parameter and split method into two.
         private void DoSlewAsync( bool polar) 
         {