Rework filament runout, pause and stop

Editing display pausing/stopping and using nozzle parking for filament runout

Marlin/AnycubicTFT.cpp

@@ -136,21 +136,59 @@ void AnycubicTFTClass::KillTFT()
 
 
 void AnycubicTFTClass::StartPrint(){
-        if (TFTstate==ANYCUBIC_TFT_STATE_SDPAUSE) {
+        if (TFTstate==ANYCUBIC_TFT_STATE_SDPAUSE) { // resuming from SD pause
-#ifndef ADVANCED_PAUSE_FEATURE
+                if((PausedByRunout==false)) // was that a regular pause?
-                enqueue_and_echo_commands_P(PSTR("G91\nG1 Z-10 F240\nG90"));
+                {
-#endif
+                        enqueue_and_echo_commands_P(PSTR("G91\nG1 E7 F1800\nG90")); // feed 7mm
+                        enqueue_and_echo_commands_P(PSTR("G91\nG1 Z-10 F240\nG90")); // lower nozzle again
+
+                }
         }
         starttime=millis();
 #ifdef SDSUPPORT
-        card.startFileprint();
+        if((PausedByRunout==false)) // was that a regular pause?
+        {
+                card.startFileprint(); // start or resume regularly
+        }
+        else // resuming from a pause that was caused by filament runout
+        {
+                enqueue_and_echo_commands_P(PSTR("M24")); // unpark nozzle and resume
+#ifdef ANYCUBIC_TFT_DEBUG
+                SERIAL_ECHOLNPGM("DEBUG: M24 Resume from Filament Runout");
+#endif
+                PausedByRunout=false; // clear flag
+#ifdef ANYCUBIC_TFT_DEBUG
+                SERIAL_ECHOLNPGM("DEBUG: Filament Pause Flag cleared");
+#endif
+        }
 #endif
         TFTstate=ANYCUBIC_TFT_STATE_SDPRINT;
 }
 
 void AnycubicTFTClass::PausePrint(){
 #ifdef SDSUPPORT
-        card.pauseSDPrint();
+        if((PausedByRunout==false)) // is this a regular pause?
+        {
+                card.pauseSDPrint();   // pause print regularly
+#ifdef ANYCUBIC_TFT_DEBUG
+                SERIAL_ECHOLNPGM("DEBUG: Regular Pause");
+#endif
+        }
+        else // pause caused by filament runout
+        {
+#ifdef ANYCUBIC_TFT_DEBUG
+                SERIAL_ECHOLNPGM("DEBUG: Filament Runout Pause");
+#endif
+                enqueue_and_echo_commands_P(PSTR("M25")); // pause print and park nozzle
+#ifdef ANYCUBIC_TFT_DEBUG
+                SERIAL_ECHOLNPGM("DEBUG: M25 sent, parking nozzle");
+#endif
+                ANYCUBIC_SERIAL_PROTOCOLPGM("J23"); //J23 FILAMENT LACK with the prompt box don't disappear
+                ANYCUBIC_SERIAL_ENTER();
+#ifdef ANYCUBIC_TFT_DEBUG
+                SERIAL_ECHOLNPGM("DEBUG: J23 OOF prompt");
+#endif
+        }
 #endif
         TFTstate=ANYCUBIC_TFT_STATE_SDPAUSE_REQ;
 #ifdef ANYCUBIC_FILAMENT_RUNOUT_SENSOR
@@ -450,9 +488,22 @@ void AnycubicTFTClass::StateHandler()
 #ifdef SDSUPPORT
                 if((!card.sdprinting) && (!planner.movesplanned())) {
                         // We have to wait until the sd card printing has been settled
-#ifndef ADVANCED_PAUSE_FEATURE
+                        if((PausedByRunout==false))
-                        enqueue_and_echo_commands_P(PSTR("G91\nG1 Z10 F240\nG90"));
+                        {
+#ifdef ANYCUBIC_TFT_DEBUG
+                                SERIAL_ECHOLNPGM("DEBUG: Regular Pause requested");
 #endif
+                                enqueue_and_echo_commands_P(PSTR("G91\nG1 E-7 F1800\nG90")); // retract 7mm
+                                enqueue_and_echo_commands_P(PSTR("G91\nG1 Z10 F240\nG90")); // lift nozzle
+                        } else {
+                                enqueue_and_echo_commands_P(PSTR("G91\nG1 E-7 F1800\nG90")); // retract 7mm
+                                enqueue_and_echo_commands_P(PSTR("M300 S1567 P750\nM300 S2093 P750"));
+                                enqueue_and_echo_commands_P(PSTR("M300 S1567 P750\nM300 S2093 P750"));
+                                enqueue_and_echo_commands_P(PSTR("M300 S1567 P750\nM300 S2093 P750")); // alert user with beeps
+  #ifdef ANYCUBIC_TFT_DEBUG
+                                SERIAL_ECHOLNPGM("DEBUG: Beep-boop");
+  #endif
+                        }
 #ifdef ANYCUBIC_FILAMENT_RUNOUT_SENSOR
                         if(FilamentTestStatus) {
                                 TFTstate=ANYCUBIC_TFT_STATE_SDPAUSE;
@@ -480,7 +531,7 @@ void AnycubicTFTClass::StateHandler()
 #endif
                         if((current_position[Z_AXIS]<150)) {
                                 enqueue_and_echo_commands_P(PSTR("G91"));
-                                enqueue_and_echo_commands_P(PSTR("G1 Z10 F240"));
+                                enqueue_and_echo_commands_P(PSTR("G1 Z20 F240"));
                                 enqueue_and_echo_commands_P(PSTR("G90"));
                         } else if ((current_position[Z_AXIS]<190)) {
                                 enqueue_and_echo_commands_P(PSTR("G91"));
@@ -518,6 +569,10 @@ void AnycubicTFTClass::FilamentRunout()
 #ifdef SDSUPPORT
                         if((card.sdprinting==true))
                         {
+                                PausedByRunout=true; // set runout pause flag
+#ifdef ANYCUBIC_TFT_DEBUG
+                                SERIAL_ECHOLNPGM("DEBUG: Filament Pause Flag set");
+#endif
                                 PausePrint();
                         }
                         else if((card.sdprinting==false))

Marlin/AnycubicTFT.h

@@ -104,6 +104,7 @@ private:
   char FilamentTestStatus=false;
   char FilamentTestLastStatus=false;
   long FilamentRunoutCounter=0;
+  char PausedByRunout=false;
 #endif
 };
 

Marlin/Configuration.h

@@ -1937,6 +1937,6 @@
 // Enable Anycubic TFT
 #define ANYCUBIC_TFT_MODEL
 #define ANYCUBIC_FILAMENT_RUNOUT_SENSOR
-//#define ANYCUBIC_TFT_DEBUG
+#define ANYCUBIC_TFT_DEBUG
 
 #endif // CONFIGURATION_H

Marlin/Configuration_adv.h

@@ -994,12 +994,12 @@
                                                   // 0 to disable start loading and skip to fast load only
   #define FILAMENT_CHANGE_FAST_LOAD_FEEDRATE  30  // (mm/s) Load filament feedrate. This can be pretty fast.
   #define FILAMENT_CHANGE_FAST_LOAD_ACCEL     25  // (mm/s^2) Lower acceleration may allow a faster feedrate.
-  #define FILAMENT_CHANGE_FAST_LOAD_LENGTH   530  // (mm) Load length of filament, from extruder gear to nozzle.
+  #define FILAMENT_CHANGE_FAST_LOAD_LENGTH   538  // (mm) Load length of filament, from extruder gear to nozzle.
                                                   //   For Bowden, the full length of the tube and nozzle.
                                                   //   For direct drive, the full length of the nozzle.
   //#define ADVANCED_PAUSE_CONTINUOUS_PURGE       // Purge continuously up to the purge length until interrupted.
-  #define ADVANCED_PAUSE_PURGE_FEEDRATE        3  // (mm/s) Extrude feedrate (after loading). Should be slower than load feedrate.
+  #define ADVANCED_PAUSE_PURGE_FEEDRATE        2  // (mm/s) Extrude feedrate (after loading). Should be slower than load feedrate.
-  #define ADVANCED_PAUSE_PURGE_LENGTH         10  // (mm) Length to extrude after loading.
+  #define ADVANCED_PAUSE_PURGE_LENGTH          2  // (mm) Length to extrude after loading.
                                                   //   Set to 0 for manual extrusion.
                                                   //   Filament can be extruded repeatedly from the Filament Change menu
                                                   //   until extrusion is consistent, and to purge old filament.

README.md

@@ -161,7 +161,7 @@ G26 C H200 P25 R25
 
 #### Configuration:
 - Send `M603 L0 U0` to use manual loading & unloading.
-- Send `M603 L530 U555` to use automatic loading & unloading
+- Send `M603 L538 U555` to use automatic loading & unloading
 - Save with `M500`
 
 #### Filament change process (manual loading):