ENH: Get actual Andor HSSpeed value

Author: jamesobutler

src/PlusDataCollection/Andor/vtkPlusAndorVideoSource.cxx

@@ -986,6 +986,18 @@ PlusStatus vtkPlusAndorVideoSource::SetHSSpeed(int type, int index)
   return PLUS_SUCCESS;
 }
 
+// ----------------------------------------------------------------------------
+float vtkPlusAndorVideoSource::GetHSSpeed()
+{
+  float speed;
+  unsigned status = checkStatus(::GetHSSpeed(0, HSSpeed[0], HSSpeed[1], &speed), "GetHSSpeed");
+  if(status != DRV_SUCCESS)
+  {
+    LOG_ERROR("GetHSSpeed command failed.");
+  }
+  return speed;
+}
+
 // ----------------------------------------------------------------------------
 PlusStatus vtkPlusAndorVideoSource::SetVSSpeedIndex(int index)
 {

src/PlusDataCollection/Andor/vtkPlusAndorVideoSource.h

@@ -73,6 +73,9 @@ class vtkPlusDataCollectionExport vtkPlusAndorVideoSource: public vtkPlusDevice
   /*! Set horizontal shift speed. */
   PlusStatus SetHSSpeed(int type, int index);
 
+  /*! Get the actual HS Speed in MHz for the current HSSpeed index. */
+  float GetHSSpeed();
+
   /*! Set index to use in the vertical shift speed table. */
   PlusStatus SetVSSpeedIndex(int index);