Move M500-M503 to cpp

Marlin/src/Marlin.cpp

   SYNC_PLAN_POSITION_KINEMATIC();
 }
 
-#include "gcode/eeprom/M500.h"
-#include "gcode/eeprom/M501.h"
-#include "gcode/eeprom/M502.h"
-#if DISABLED(DISABLE_M503)
-  #include "gcode/eeprom/M503.h"
-#endif
-
 #if ENABLED(ABORT_ON_ENDSTOP_HIT_FEATURE_ENABLED)
   #include "gcode/config/M540.h"
 #endif

Marlin/src/gcode/eeprom/M502.h → Marlin/src/gcode/eeprom/M500-M503.cpp

  *
  */
 
+#include "../gcode.h"
+#include "../../module/configuration_store.h"
+#include "../../inc/MarlinConfig.h"
+
+/**
+ * M500: Store settings in EEPROM
+ */
+void GcodeSuite::M500() {
+  (void)settings.save();
+}
+
+/**
+ * M501: Read settings from EEPROM
+ */
+void GcodeSuite::M501() {
+  (void)settings.load();
+}
+
 /**
  * M502: Revert to default settings
  */
-void gcode_M502() {
+void GcodeSuite::M502() {
   (void)settings.reset();
 }
+
+#if DISABLED(DISABLE_M503)
+
+  /**
+   * M503: print settings currently in memory
+   */
+  void GcodeSuite::M503() {
+    (void)settings.report(!parser.boolval('S', true));
+  }
+
+#endif // !DISABLE_M503

Marlin/src/gcode/eeprom/M500.h

-/**
- * Marlin 3D Printer Firmware
- * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
- *
- * Based on Sprinter and grbl.
- * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-/**
- * M500: Store settings in EEPROM
- */
-void gcode_M500() {
-  (void)settings.save();
-}

Marlin/src/gcode/eeprom/M501.h

-/**
- * Marlin 3D Printer Firmware
- * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
- *
- * Based on Sprinter and grbl.
- * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-/**
- * M501: Read settings from EEPROM
- */
-void gcode_M501() {
-  (void)settings.load();
-}

Marlin/src/gcode/eeprom/M503.h

-/**
- * Marlin 3D Printer Firmware
- * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
- *
- * Based on Sprinter and grbl.
- * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-/**
- * M503: print settings currently in memory
- */
-void gcode_M503() {
-  (void)settings.report(!parser.boolval('S', true));
-}

Marlin/src/gcode/gcode.cpp

 extern void gcode_M350();
 extern void gcode_M351();
 extern void gcode_M355();
-extern void gcode_M500();
-extern void gcode_M501();
-extern void gcode_M502();
-extern void gcode_M503();
 extern void gcode_M540();
 extern void gcode_M605();
 extern void gcode_M702();
         case 428: M428(); break;  // M428: Apply current_position to home_offset
       #endif
 
-      case 500: // M500: Store settings in EEPROM
-        gcode_M500();
-        break;
-      case 501: // M501: Read settings from EEPROM
-        gcode_M501();
-        break;
-      case 502: // M502: Revert to default settings
-        gcode_M502();
-        break;
-
+      case 500: M500(); break;    // M500: Store settings in EEPROM
+      case 501: M501(); break;    // M501: Read settings from EEPROM
+      case 502: M502(); break;    // M502: Revert to default settings
       #if DISABLED(DISABLE_M503)
-        case 503: // M503: print settings currently in memory
-          gcode_M503();
-          break;
+        case 503: M503(); break;  // M503: print settings currently in memory
       #endif
 
       #if ENABLED(ABORT_ON_ENDSTOP_HIT_FEATURE_ENABLED)