V6.6.7.2 : Fixed FindHome and AtHome functions (#61)

* V6.6.6.9 Updates

Fixed some bugs related to input formats and timeouts.
Ran Conform for ASCOM 7.
Added TRK stepper display.

* V6.6.7.1 ASCOM Driver Updates

* Fixed incorrect merge

* V1.1.8.0 Updates

- Made Autohoming from connection screen use the same settings as the homing commands from the main UI and Settings dialog.

* V6.6.7.2 Updates

- FindHome function fixed and AtHome implemented.

Author: ClutchplateDude

ASCOM.Driver/OpenAstroTracker/Properties/AssemblyInfo.cs

@@ -21,7 +21,7 @@
 //      Build Number
 //      Revision
 //
-[assembly: AssemblyVersion("6.6.7.1")]
-[assembly: AssemblyFileVersion("6.6.7.1")]
+[assembly: AssemblyVersion("6.6.7.2")]
+[assembly: AssemblyFileVersion("6.6.7.2")]
 
 [assembly: ComVisibleAttribute(false)]

ASCOM.Driver/OpenAstroTracker/README.txt

@@ -1,7 +1,7 @@
 +--------------------------------------------------------------------------+
 |                                                                          |
-|   OpenAstroTracker ASCOM Driver V6.6.7.1 Pre-Release                     |
-|   Published: 28. February 2025                                           |
+|   OpenAstroTracker ASCOM Driver V6.6.7.2 Release                         |
+|   Published: 20. April 2025                                              |
 |                                                                          |
 +--------------------------------------------------------------------------+
 
@@ -33,6 +33,9 @@ Support
 
 Testing
 -------
+ * 6.6.7.2 Conformance Test (2025-Apr-20) 
+    - Telescope: All tests passed, no errors, no warnings, 18 issues (all expected). 
+
  * 6.6.7.1 Conformance Test (2025-Feb-28) 
     - Telescope: All tests passed, no errors, no warnings, 23 issues (all expected). 
 

ASCOM.Driver/TelescopeDriver/Driver.cs

@@ -316,10 +316,13 @@ public bool AtHome
 		{
 			get
 			{
-				// This property must be False if the telescope does not support homing.
-				// TODO : We'll try to implement homing later.
-				LogMessage(LoggingFlags.Scope, "AtHome Get => false");
-				return false;
+				LogMessage(LoggingFlags.Scope, "AtHome Get, query mount");
+				var cmdResult = CommandString(":GX#,#"); // Get status and split
+				LogMessage(LoggingFlags.Scope, "AtHome Get, mount replied " + cmdResult);
+				var result = cmdResult.Split(','); // Get status and split
+				var atHome = result[2] == "0" && result[3] == "0"; // Check if the mount is at home position
+				LogMessage(LoggingFlags.Scope, "AtHome Get => " + atHome);
+				return atHome;
 			}
 		}
 
@@ -576,18 +579,24 @@ public EquatorialCoordinateType EquatorialSystem
 
 		public void FindHome()
 		{
-            if (!AtPark)
-            {
-                LogMessage(LoggingFlags.Scope, "FindHome() called");
-                CommandBlind(":hF");
-                PollUntilZero(":GIS#,#");
-            }
-            else
-            {
-                LogMessage(LoggingFlags.Scope, "FindHome - Scope is parked");
-                throw new ASCOM.ParkedException("FindHome");
-            }
-        }
+			if (!AtPark)
+			{
+				if (!IsConnected)
+					throw new ASCOM.NotConnectedException("FindHome");
+				LogMessage(LoggingFlags.Scope, "FindHome() called, issuing :hF#");
+				CommandBlind(":hF#");
+				LogMessage(LoggingFlags.Scope, "FindHome - polling :GIS#");
+				PollUntilZero(":GIS#,#");
+				LogMessage(LoggingFlags.Scope, "FindHome -issuing :SHP#");
+				CommandString(":SHP#,#"); // Set stepper positions to 0 (they might be off due to tracking).
+				LogMessage(LoggingFlags.Scope, "FindHome - completed");
+			}
+			else
+			{
+				LogMessage(LoggingFlags.Scope, "FindHome - Scope is parked");
+				throw new ASCOM.ParkedException("FindHome");
+			}
+		}
 
 		public double FocalLength
 		{
@@ -1335,6 +1344,9 @@ private int PollUntilZero(string command)
 			while (retVal != "0")
 			{
 				retVal = CommandString(command);
+				LogMessage(LoggingFlags.Scope, $"PollUntilZero - Command: {command}, Response: {retVal}");
+				if (retVal == "0")
+					break;
 				Thread.Sleep(1000);
 			}
 

ASCOM.Driver/TelescopeDriver/Properties/AssemblyInfo.cs

@@ -35,5 +35,5 @@
 // by using the '*' as shown below:
 //
 // TODO - Set your driver's version here
-[assembly: AssemblyVersion("6.6.7.1")]
-[assembly: AssemblyFileVersion("6.6.7.1")]
+[assembly: AssemblyVersion("6.6.7.2")]
+[assembly: AssemblyFileVersion("6.6.7.2")]