G60/G61 Position Save/Restore (#16557)

Marlin/src/gcode/feature/pause/G60.cpp

@@ -0,0 +1,59 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2019 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/>.
+ *
+ */
+
+#include "../../../inc/MarlinConfig.h"
+
+#if SAVED_POSITIONS
+
+#include "../../../core/language.h"
+#include "../../gcode.h"
+#include "../../../module/motion.h"
+
+#define DEBUG_OUT ENABLED(SAVED_POSITIONS_DEBUG)
+#include "../../../core/debug_out.h"
+
+/**
+ * G60: Save current position
+ *
+ *   S<slot> - Memory slot # (0-based) to save into (default 0)
+ */
+void GcodeSuite::G60() {
+  const uint8_t slot = parser.byteval('S');
+
+  if (slot >= SAVED_POSITIONS) {
+    SERIAL_ERROR_MSG(MSG_INVALID_POS_SLOT STRINGIFY(SAVED_POSITIONS));
+    return;
+  }
+
+  stored_position[slot] = current_position;
+  SBI(saved_slots, slot);
+
+  #if ENABLED(SAVED_POSITIONS_DEBUG)
+    const xyze_pos_t &pos = stored_position[slot];
+    DEBUG_ECHOPAIR_F(MSG_SAVED_POS " S", slot);
+    DEBUG_ECHOPAIR_F(" : X", pos.x);
+    DEBUG_ECHOPAIR_F_P(SP_Y_STR, pos.y);
+    DEBUG_ECHOLNPAIR_F_P(SP_Z_STR, pos.z);
+  #endif
+}
+
+#endif // SAVED_POSITIONS