Merge pull request #3615 from thinkyhead/rc_whats_up_with_M112

Report current position to host after M206 / M428

Marlin/Marlin_main.cpp

 void serial_echopair_P(const char* s_P, double v)        { serialprintPGM(s_P); SERIAL_ECHO(v); }
 void serial_echopair_P(const char* s_P, unsigned long v) { serialprintPGM(s_P); SERIAL_ECHO(v); }
 
-void gcode_M114();
+static void report_current_position();
 
 #if ENABLED(DEBUG_LEVELING_FEATURE)
   void print_xyz(const char* prefix, const float x, const float y, const float z) {
     }
   #endif
 
-  gcode_M114(); // Send end position to RepetierHost
-
+  report_current_position();
 }
 
 #if ENABLED(MESH_BED_LEVELING)
       }
     #endif
 
-    gcode_M114(); // Send end position to RepetierHost
-
+    report_current_position();
   }
 
   #if DISABLED(Z_PROBE_SLED) // could be avoided
       #endif
       stow_z_probe(false); // Retract Z Servo endstop if available. Z_PROBE_SLED is missed here.
 
-      gcode_M114(); // Send end position to RepetierHost
+      report_current_position();
     }
 
   #endif //!Z_PROBE_SLED
 
     clean_up_after_endstop_move();
 
-    gcode_M114(); // Send end position to RepetierHost
+    report_current_position();
   }
 
 #endif // AUTO_BED_LEVELING_FEATURE && Z_MIN_PROBE_REPEATABILITY_TEST
 }
 
 /**
- * M114: Output current position to serial port
+ * Output the current position to serial
  */
-inline void gcode_M114() {
+static void report_current_position() {
   SERIAL_PROTOCOLPGM("X:");
   SERIAL_PROTOCOL(current_position[X_AXIS]);
   SERIAL_PROTOCOLPGM(" Y:");
 }
 
 /**
+ * M114: Output current position to serial port
+ */
+inline void gcode_M114() { report_current_position(); }
+
+/**
  * M115: Capabilities string
  */
 inline void gcode_M115() {
     if (code_seen('T')) set_home_offset(X_AXIS, code_value()); // Theta
     if (code_seen('P')) set_home_offset(Y_AXIS, code_value()); // Psi
   #endif
+
   sync_plan_position();
+  report_current_position();
 }
 
 #if ENABLED(DELTA)
 
   if (!err) {
     sync_plan_position();
+    report_current_position();
     LCD_MESSAGEPGM(MSG_HOME_OFFSETS_APPLIED);
     #if HAS_BUZZER
       buzz(200, 659);