Add automatic filament change function with touchscreen controls.

Marlin/src/gcode/feature/pause/M600.cpp

@@ -29,20 +29,25 @@
 #include "../../../module/motion.h"
 #include "../../../module/printcounter.h"
 
+#ifdef ANYCUBIC_TOUCHSCREEN
+#include "../../../lcd/anycubic_touchscreen.h"
+#include "../../../sd/cardreader.h"
+#endif
+
 #if EXTRUDERS > 1
-  #include "../../../module/tool_change.h"
+#include "../../../module/tool_change.h"
 #endif
 
 #if HAS_LCD_MENU
-  #include "../../../lcd/ultralcd.h"
+#include "../../../lcd/ultralcd.h"
 #endif
 
 #if ENABLED(MMU2_MENUS)
-  #include "../../../lcd/menu/menu_mmu2.h"
+#include "../../../lcd/menu/menu_mmu2.h"
 #endif
 
 #if ENABLED(MIXING_EXTRUDER)
-  #include "../../../feature/mixing.h"
+#include "../../../feature/mixing.h"
 #endif
 
 /**
@@ -59,84 +64,117 @@
  *
  *  Default values are used for omitted arguments.
  */
-void GcodeSuite::M600() {
+void GcodeSuite::M600()
+{
 
-  #if ENABLED(MIXING_EXTRUDER)
+#ifdef ANYCUBIC_TOUCHSCREEN
+#ifdef SDSUPPORT
+  if (card.isPrinting())
+  { // are we printing from sd?
+    if (AnycubicTouchscreen.ai3m_pause_state < 2)
+    {
+      AnycubicTouchscreen.ai3m_pause_state = 2;
+#ifdef ANYCUBIC_TFT_DEBUG
+      SERIAL_ECHOPAIR(" DEBUG: M600 - AI3M Pause State set to: ", AnycubicTouchscreen.ai3m_pause_state);
+      SERIAL_EOL();
+#endif
+    }
+#ifdef ANYCUBIC_TFT_DEBUG
+    SERIAL_ECHOLNPGM("DEBUG: Enter M600 TFTstate routine");
+#endif
+    AnycubicTouchscreen.TFTstate = ANYCUBIC_TFT_STATE_SDPAUSE_REQ; // enter correct display state to show resume button
+#ifdef ANYCUBIC_TFT_DEBUG
+    SERIAL_ECHOLNPGM("DEBUG: Set TFTstate to SDPAUSE_REQ");
+#endif
+  }
+#endif
+#endif
+
+  xyz_pos_t park_point = NOZZLE_PARK_POINT;
+
+#if ENABLED(MIXING_EXTRUDER)
   const int8_t target_e_stepper = get_target_e_stepper_from_command();
-    if (target_e_stepper < 0) return;
+  if (target_e_stepper < 0)
+    return;
 
   const uint8_t old_mixing_tool = mixer.get_current_vtool();
   mixer.T(MIXER_DIRECT_SET_TOOL);
 
-    MIXER_STEPPER_LOOP(i) mixer.set_collector(i, i == uint8_t(target_e_stepper) ? 1.0 : 0.0);
+  MIXER_STEPPER_LOOP(i)
+  mixer.set_collector(i, i == uint8_t(target_e_stepper) ? 1.0 : 0.0);
   mixer.normalize();
 
   const int8_t target_extruder = active_extruder;
-  #else
+#else
   const int8_t target_extruder = get_target_extruder_from_command();
-    if (target_extruder < 0) return;
+  if (target_extruder < 0)
-  #endif
+    return;
+#endif
 
-  #if ENABLED(DUAL_X_CARRIAGE)
+#if ENABLED(DUAL_X_CARRIAGE)
   int8_t DXC_ext = target_extruder;
-    if (!parser.seen('T')) {  // If no tool index is specified, M600 was (probably) sent in response to filament runout.
+  if (!parser.seen('T'))
+  { // If no tool index is specified, M600 was (probably) sent in response to filament runout.
     // In this case, for duplicating modes set DXC_ext to the extruder that ran out.
-      #if HAS_FILAMENT_SENSOR && NUM_RUNOUT_SENSORS > 1
+#if HAS_FILAMENT_SENSOR && NUM_RUNOUT_SENSORS > 1
     if (dxc_is_duplicating())
       DXC_ext = (READ(FIL_RUNOUT2_PIN) == FIL_RUNOUT_INVERTING) ? 1 : 0;
-      #else
+#else
     DXC_ext = active_extruder;
-      #endif
+#endif
   }
-  #endif
+#endif
 
-  // Show initial "wait for start" message
+// Show initial "wait for start" message
-  #if HAS_LCD_MENU && DISABLED(MMU2_MENUS)
+#if HAS_LCD_MENU && DISABLED(MMU2_MENUS)
   lcd_pause_show_message(PAUSE_MESSAGE_CHANGING, PAUSE_MODE_PAUSE_PRINT, target_extruder);
-  #endif
+#endif
 
-  #if ENABLED(HOME_BEFORE_FILAMENT_CHANGE)
+#if ENABLED(HOME_BEFORE_FILAMENT_CHANGE)
   // Don't allow filament change without homing first
-    if (axes_need_homing()) home_all_axes();
+  if (axes_need_homing())
-  #endif
+    home_all_axes();
+#endif
 
-  #if EXTRUDERS > 1
+#if EXTRUDERS > 1
   // Change toolhead if specified
   const uint8_t active_extruder_before_filament_change = active_extruder;
   if (
       active_extruder != target_extruder
-      #if ENABLED(DUAL_X_CARRIAGE)
+#if ENABLED(DUAL_X_CARRIAGE)
       && dual_x_carriage_mode != DXC_DUPLICATION_MODE && dual_x_carriage_mode != DXC_MIRRORED_MODE
-      #endif
+#endif
-    ) tool_change(target_extruder, false);
+  )
-  #endif
+    tool_change(target_extruder, false);
+#endif
 
   // Initial retract before move to filament change position
   const float retract = -ABS(parser.seen('E') ? parser.value_axis_units(E_AXIS) : 0
-    #ifdef PAUSE_PARK_RETRACT_LENGTH
+#ifdef PAUSE_PARK_RETRACT_LENGTH
                                                                                       + (PAUSE_PARK_RETRACT_LENGTH)
-    #endif
+#endif
   );
 
-  xyz_pos_t park_point NOZZLE_PARK_POINT;
-
   // Lift Z axis
-  if (parser.seenval('Z')) park_point.z = parser.linearval('Z');
+  if (parser.seenval('Z'))
+    park_point.z = parser.linearval('Z');
 
   // Move XY axes to filament change position or given position
-  if (parser.seenval('X')) park_point.x = parser.linearval('X');
+  if (parser.seenval('X'))
-  if (parser.seenval('Y')) park_point.y = parser.linearval('Y');
+    park_point.x = parser.linearval('X');
+  if (parser.seenval('Y'))
+    park_point.y = parser.linearval('Y');
 
-  #if HAS_HOTEND_OFFSET && NONE(DUAL_X_CARRIAGE, DELTA)
+#if HAS_HOTEND_OFFSET && NONE(DUAL_X_CARRIAGE, DELTA)
   park_point += hotend_offset[active_extruder];
-  #endif
+#endif
 
-  #if ENABLED(MMU2_MENUS)
+#if ENABLED(MMU2_MENUS)
   // For MMU2 reset retract and load/unload values so they don't mess with MMU filament handling
   constexpr float unload_length = 0.5f,
                   slow_load_length = 0.0f,
                   fast_load_length = 0.0f;
-  #else
+#else
   // Unload filament
   const float unload_length = -ABS(parser.seen('U') ? parser.value_axis_units(E_AXIS)
                                                     : fc_settings[active_extruder].unload_length);
@@ -147,35 +185,36 @@ void GcodeSuite::M600() {
   // Fast load filament
   const float fast_load_length = ABS(parser.seen('L') ? parser.value_axis_units(E_AXIS)
                                                       : fc_settings[active_extruder].load_length);
-  #endif
+#endif
 
   const int beep_count = parser.intval('B',
-    #ifdef FILAMENT_CHANGE_ALERT_BEEPS
+#ifdef FILAMENT_CHANGE_ALERT_BEEPS
                                        FILAMENT_CHANGE_ALERT_BEEPS
-    #else
+#else
                                        -1
-    #endif
+#endif
   );
 
-  if (pause_print(retract, park_point, unload_length, true DXC_PASS)) {
+  if (pause_print(retract, park_point, unload_length, true DXC_PASS))
-    #if ENABLED(MMU2_MENUS)
+  {
+#if ENABLED(MMU2_MENUS)
     mmu2_M600();
     resume_print(slow_load_length, fast_load_length, 0, beep_count DXC_PASS);
-    #else
+#else
     wait_for_confirmation(true, beep_count DXC_PASS);
     resume_print(slow_load_length, fast_load_length, ADVANCED_PAUSE_PURGE_LENGTH, beep_count DXC_PASS);
-    #endif
+#endif
   }
 
-  #if EXTRUDERS > 1
+#if EXTRUDERS > 1
   // Restore toolhead if it was changed
   if (active_extruder_before_filament_change != active_extruder)
     tool_change(active_extruder_before_filament_change, false);
-  #endif
+#endif
 
-  #if ENABLED(MIXING_EXTRUDER)
+#if ENABLED(MIXING_EXTRUDER)
   mixer.T(old_mixing_tool); // Restore original mixing tool
-  #endif
+#endif
 }
 
 #endif // ADVANCED_PAUSE_FEATURE