From e8701195e66f2d27ffe17fb514eae8173795aaf7 Mon Sep 17 00:00:00 2001
From: Georgiy Bondarenko <69736697+nehilo@users.noreply.github.com>
Date: Thu, 4 Mar 2021 22:54:23 +0500
Subject: Initial commit

---
 Marlin/src/gcode/control/T.cpp | 70 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 Marlin/src/gcode/control/T.cpp

(limited to 'Marlin/src/gcode/control/T.cpp')

diff --git a/Marlin/src/gcode/control/T.cpp b/Marlin/src/gcode/control/T.cpp
new file mode 100644
index 0000000..3ce284f
--- /dev/null
+++ b/Marlin/src/gcode/control/T.cpp
@@ -0,0 +1,70 @@
+/**
+ * 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/>.
+ *
+ */
+
+#include "../gcode.h"
+#include "../../module/tool_change.h"
+
+#if EITHER(HAS_MULTI_EXTRUDER, DEBUG_LEVELING_FEATURE)
+  #include "../../module/motion.h"
+#endif
+
+#if HAS_PRUSA_MMU2
+  #include "../../feature/mmu/mmu2.h"
+#endif
+
+#define DEBUG_OUT ENABLED(DEBUG_LEVELING_FEATURE)
+#include "../../core/debug_out.h"
+
+/**
+ * T0-T<n>: Switch tool, usually switching extruders
+ *
+ *   F[units/min] Set the movement feedrate
+ *   S1           Don't move the tool in XY after change
+ *
+ * For PRUSA_MMU2(S) and SMUFF_EMU_MMU2(S)
+ *   T[n] Gcode to extrude at least 38.10 mm at feedrate 19.02 mm/s must follow immediately to load to extruder wheels.
+ *   T?   Gcode to extrude shouldn't have to follow. Load to extruder wheels is done automatically.
+ *   Tx   Same as T?, but nozzle doesn't have to be preheated. Tc requires a preheated nozzle to finish filament load.
+ *   Tc   Load to nozzle after filament was prepared by Tc and nozzle is already heated.
+ */
+void GcodeSuite::T(const int8_t tool_index) {
+
+  DEBUG_SECTION(log_T, "T", DEBUGGING(LEVELING));
+  if (DEBUGGING(LEVELING)) DEBUG_ECHOLNPAIR("...(", tool_index, ")");
+
+  // Count this command as movement / activity
+  reset_stepper_timeout();
+
+  #if HAS_PRUSA_MMU2
+    if (parser.string_arg) {
+      mmu2.tool_change(parser.string_arg);   // Special commands T?/Tx/Tc
+      return;
+    }
+  #endif
+
+  tool_change(tool_index
+    #if HAS_MULTI_EXTRUDER
+      ,  TERN(PARKING_EXTRUDER, false, tool_index == active_extruder) // For PARKING_EXTRUDER motion is decided in tool_change()
+      || parser.boolval('S')
+    #endif
+  );
+}
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