Starting with Stock BTT-Config and Old Configs as Backup

Marlin/src/MarlinCore.h

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+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 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 <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+#include "inc/MarlinConfig.h"
+
+#ifdef DEBUG_GCODE_PARSER
+  #include "gcode/parser.h"
+#endif
+
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+void stop();
+
+// Pass true to keep steppers from timing out
+void idle(bool no_stepper_sleep=false);
+inline void idle_no_sleep() { idle(true); }
+
+#if ENABLED(G38_PROBE_TARGET)
+  extern uint8_t G38_move;          // Flag to tell the ISR that G38 is in progress, and the type
+  extern bool G38_did_trigger;      // Flag from the ISR to indicate the endstop changed
+#endif
+
+/**
+ * The axis order in all axis related arrays is X, Y, Z, E
+ */
+void enable_e_steppers();
+void enable_all_steppers();
+void disable_e_stepper(const uint8_t e);
+void disable_e_steppers();
+void disable_all_steppers();
+
+void kill(PGM_P const lcd_error=nullptr, PGM_P const lcd_component=nullptr, const bool steppers_off=false);
+void minkill(const bool steppers_off=false);
+
+// Global State of the firmware
+enum MarlinState : uint8_t {
+  MF_INITIALIZING = 0,
+  MF_STOPPED,
+  MF_KILLED,
+  MF_RUNNING,
+  MF_SD_COMPLETE,
+  MF_PAUSED,
+  MF_WAITING,
+};
+
+extern MarlinState marlin_state;
+inline bool IsRunning() { return marlin_state >= MF_RUNNING; }
+inline bool IsStopped() { return marlin_state == MF_STOPPED; }
+
+bool printingIsActive();
+bool printJobOngoing();
+bool printingIsPaused();
+void startOrResumeJob();
+
+extern bool wait_for_heatup;
+
+#if HAS_RESUME_CONTINUE
+  extern bool wait_for_user;
+  void wait_for_user_response(millis_t ms=0, const bool no_sleep=false);
+#endif
+
+bool pin_is_protected(const pin_t pin);
+
+#if HAS_SUICIDE
+  inline void suicide() { OUT_WRITE(SUICIDE_PIN, SUICIDE_PIN_INVERTING); }
+#endif
+
+#if HAS_KILL
+  #ifndef KILL_PIN_STATE
+    #define KILL_PIN_STATE LOW
+  #endif
+  inline bool kill_state() { return READ(KILL_PIN) == KILL_PIN_STATE; }
+#endif
+
+extern const char M112_KILL_STR[];