fix(interp): reset G52/G92 offsets on prog_stop when DISABLE_G92_PERSISTENCE=1

docs/src/config/ini-config.adoc

@@ -633,7 +633,7 @@ The maximum number of `USER_M_PATH` directories is defined at compile time (typ:
   Preserve case in O-word names within comments if set, enables reading of mixed-case HAL items in structured comments like `(debug, #<_hal[MixedCaseItem])`.
 * `OWORD_WARNONLY = 0` (Default: 0) +
   Warn rather than error in case of errors in O-word subroutines.
-* `DISABLE_G92_PERSISTENCE = 0` (Default: 0)
+* `DISABLE_G92_PERSISTENCE = 0` (bool, Default: 0)
   Allow to clear the G92 offset automatically when config start-up.
 * `DISABLE_AUTO_G54 = 0` (bool, Default: 0) +
   When set M2 and M30 will no longer automatically reset the active WCS to 'G54'.

src/emc/rs274ngc/interp_convert.cc

@@ -5262,10 +5262,32 @@ int Interp::convert_stop(block_pointer block,    //!< pointer to a block of RS27
     }
 
 /*10*/
-    if (settings->disable_g92_persistence)
+    if (settings->disable_g92_persistence) {
       // Clear G92/G52 offset
       for (index=5210; index<=5219; index++)
           settings->parameters[index] = 0;
+      settings->current_x = settings->current_x + settings->axis_offset_x;
+      settings->current_y = settings->current_y + settings->axis_offset_y;
+      settings->current_z = settings->current_z + settings->axis_offset_z;
+      settings->AA_current = (settings->AA_current + settings->AA_axis_offset);
+      settings->BB_current = (settings->BB_current + settings->BB_axis_offset);
+      settings->CC_current = (settings->CC_current + settings->CC_axis_offset);
+      settings->u_current = (settings->u_current + settings->u_axis_offset);
+      settings->v_current = (settings->v_current + settings->v_axis_offset);
+      settings->w_current = (settings->w_current + settings->w_axis_offset);
+
+      SET_G92_OFFSET(0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
+
+      settings->axis_offset_x = 0.0;
+      settings->axis_offset_y = 0.0;
+      settings->axis_offset_z = 0.0;
+      settings->AA_axis_offset = 0.0;
+      settings->BB_axis_offset = 0.0;
+      settings->CC_axis_offset = 0.0;
+      settings->u_axis_offset = 0.0;
+      settings->v_axis_offset = 0.0;
+      settings->w_axis_offset = 0.0;
+    }
 
     if (block->m_modes[4] == 30)
       PALLET_SHUTTLE();

src/emc/rs274ngc/interp_internal.hh

@@ -824,7 +824,7 @@ struct setup
     // control to skip to beginning of file
     bool loop_on_main_m99;
 
-  int disable_g92_persistence;
+  bool disable_g92_persistence;
   bool disable_auto_g54;
 
 // add new geometric fields for our new tags

src/emc/rs274ngc/interp_setup.cc

@@ -186,7 +186,7 @@ setup::setup() :
     feature_set(0),
     disable_fanuc_style_sub(false),
     loop_on_main_m99(false),
-    disable_g92_persistence(0),
+    disable_g92_persistence(false),
     disable_auto_g54(false),
     heading(0.0),
     radius(0.0),

tests/interp/g52/g92-offset-persistence/expected

@@ -53,6 +53,7 @@ G92 params:  0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.00
    12 N..... SET_FEED_RATE(0.0000)
    13 N..... STOP_SPINDLE_TURNING(0)
    14 N..... SET_SPINDLE_MODE(0 0.0000)
-   15 N..... PALLET_SHUTTLE()
-   16 N..... PROGRAM_END()
-   17 N..... ON_RESET()
+   15 N..... SET_G92_OFFSET(0.0000, 0.0000, 0.0000, 0.0000, 0.0000, 0.0000)
+   16 N..... PALLET_SHUTTLE()
+   17 N..... PROGRAM_END()
+   18 N..... ON_RESET()