Added support for CommandBlind and CommandString

Modified the tracking rates to be setable.  However, the get is now simulated.

MeadeAutostar497/Controller/ITelescopeController.cs

@@ -20,7 +20,7 @@ namespace ASCOM.MeadeAutostar497.Controller
         double Declination { get; }
         double TargetRightAscension { get; set; }
         double TargetDeclination { get; set; }
-        DriveRates TrackingRate { get; }
+        DriveRates TrackingRate { get; set; }
         int FocuserMaxIncrement { get; set; }
         int FocuserMaxStep { get; set; }
         void AbortSlew();
@@ -36,5 +36,7 @@ namespace ASCOM.MeadeAutostar497.Controller
         void MoveAxis(TelescopeAxes axis, double rate);
         void FocuserHalt();
         void FocuserMove(int position);
+        string CommandString(string command, bool raw);
+        void CommandBlind(string command, bool raw);
     }
 }

MeadeAutostar497/Controller/TelescopeController.cs

@@ -478,21 +478,23 @@ namespace ASCOM.MeadeAutostar497.Controller
             }
         }
 
+        private DriveRates _trackingRate = DriveRates.driveSidereal;
         public DriveRates TrackingRate
         {
             get
             {
-                var result = SerialPort.CommandTerminated(":GT#", "#");
+                //var result = SerialPort.CommandTerminated(":GT#", "#");
 
-                double rate = double.Parse(result);
+                //double rate = double.Parse(result);
 
 
-                if (rate == 60.1)
-                    return DriveRates.driveLunar;
-                else 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;
+                //return DriveRates.driveKing;
+                return _trackingRate;
             }
             set
             {
@@ -508,16 +510,20 @@ namespace ASCOM.MeadeAutostar497.Controller
                         //:TL# Set Lunar Tracking Rage
                         //Returns: Nothing
                         break;
-                    case DriveRates.driveSolar:
-                        SerialPort.Command(":TS#");
-                        //:TS# Select Solar tracking rate. [LS Only]
-                        //Returns: Nothing
-                        break;
+                    //case DriveRates.driveSolar:
+                    //    SerialPort.Command(":TS#");
+                    //    //:TS# Select Solar tracking rate. [LS Only]
+                    //    //Returns: Nothing
+                    //    break;
                     case DriveRates.driveKing:
+                        //:TM# Select custom tracking rate [ no-op in Autostar II]
+                        //Returns: Nothing
                         break;
                     default:
                         throw new ArgumentOutOfRangeException(nameof(value), value, null);
                 }
+
+                _trackingRate = value;
             }
         }
 
@@ -872,6 +878,16 @@ namespace ASCOM.MeadeAutostar497.Controller
             }
         }
 
+        public string CommandString(string command, bool raw)
+        {
+            return SerialPort.CommandTerminated(command, "#");
+        }
+
+        public void CommandBlind(string command, bool raw)
+        {
+            SerialPort.Command(command);
+        }
+
         private void MoveFocuser(bool directionOut, int steps)
         {
             SerialPort.Command(directionOut ? ":F+#" : ":F-#");