Filament motion encoder steps counter

Marlin/Configuration.h

@@ -2056,6 +2056,8 @@
         //#define FIL_MOTION8_PULLUP
         //#define FIL_MOTION8_PULLDOWN
       #endif
+
+      //#define MOTION_STEPS_COUNTER //Adds menu that displays/resets number of pulses from filament motion encoder. Use calibration mode to count without motion.
     #endif // FILAMENT_MOTION_SENSOR
   #endif // FILAMENT_RUNOUT_DISTANCE_MM
 #endif // FILAMENT_RUNOUT_SENSOR

Marlin/src/feature/runout.cpp

@@ -51,6 +51,11 @@ bool FilamentMonitorBase::enabled = true,
   #if ENABLED(FILAMENT_MOTION_SENSOR)
     uint8_t FilamentSensorEncoder::motion_detected;
   #endif
+  #if ENABLED(MOTION_STEPS_COUNTER)
+    uint16_t FilamentSensorEncoder::encoder_steps;
+    bool     FilamentSensorEncoder::extruding;
+    bool     FilamentSensorEncoder::calibration;
+  #endif
 #else
   int8_t RunoutResponseDebounced::runout_count[NUM_RUNOUT_SENSORS]; // = 0
 #endif

Marlin/src/feature/runout.h

@@ -226,13 +226,6 @@ class FilamentSensorBase {
         return (0 REPEAT_1(NUM_MOTION_SENSORS, _OR_MOTION));
         #undef _OR_MOTION
       }
-
-      // Return a bitmask of motion flag states (1 bits always indicates runout)
-      static uint8_t poll_motion_states() {
-        #define _OR_MOTION(N) | (FIL_MOTION##N##_STATE ? 0 : _BV(N - 1))
-        return poll_motion_pins() ^ uint8_t(0 REPEAT_1(NUM_MOTION_SENSORS, _OR_MOTION));
-        #undef _OR_MOTION
-      }
     #endif
 };
 
@@ -254,6 +247,11 @@ class FilamentSensorBase {
                       change    = old_state ^ new_state;
         old_state = new_state;
 
+        #if ENABLED(MOTION_STEPS_COUNTER)
+          if (change && (extruding || calibration))
+            encoder_steps++;
+        #endif
+
         #if ENABLED(FILAMENT_RUNOUT_SENSOR_DEBUG)
           if (change) {
             SERIAL_ECHOPGM("Motion detected:");
@@ -267,6 +265,12 @@ class FilamentSensorBase {
       }
 
     public:
+      #if ENABLED(MOTION_STEPS_COUNTER)
+        static bool     extruding;
+        static bool     calibration;
+        static uint16_t encoder_steps;
+      #endif
+
       static void block_completed(const block_t * const b) {
         // If the sensor wheel has moved since the last call to
         // this method reset the runout counter for the extruder.

Marlin/src/lcd/language/language_en.h

@@ -935,6 +935,10 @@ namespace LanguageNarrow_en {
 
   LSTR MSG_HOST_SHUTDOWN                  = _UxGT("Host Shutdown");
 
+  LSTR MSG_ENCODER_INFO                   = _UxGT("Filament motion");
+  LSTR MSG_ENCODER_STEPS                  = _UxGT("Steps/reset");
+  LSTR MSG_ENCODER_CALIBRATION            = _UxGT("Calibration mode");
+
   LSTR MSG_SHORT_DAY                      = _UxGT("d"); // One character only
   LSTR MSG_SHORT_HOUR                     = _UxGT("h"); // One character only
   LSTR MSG_SHORT_MINUTE                   = _UxGT("m"); // One character only

Marlin/src/lcd/menu/menu_main.cpp

@@ -66,6 +66,10 @@
   #include "../../feature/repeat.h"
 #endif
 
+#if ENABLED(MOTION_STEPS_COUNTER)
+  #include "../../feature/runout.h"
+#endif
+
 void menu_tune();
 void menu_cancelobject();
 void menu_motion();
@@ -244,6 +248,16 @@ void menu_configuration();
   #endif
 #endif
 
+#if ENABLED(MOTION_STEPS_COUNTER)
+  void encoder_info_menu() {
+    START_MENU();
+    BACK_ITEM(MSG_MAIN_MENU);
+    EDIT_ITEM(uint16_5, MSG_ENCODER_STEPS,   &FilamentSensorEncoder::encoder_steps, 0, 1);
+    EDIT_ITEM(bool, MSG_ENCODER_CALIBRATION, &FilamentSensorEncoder::calibration);
+    END_MENU();
+  }
+#endif
+
 void menu_main() {
   const bool busy = printingIsActive();
   #if HAS_MEDIA
@@ -369,6 +383,10 @@ void menu_main() {
     if (TERN1(HAS_PRUSA_MMU2, !busy)) SUBMENU(MSG_MMU2_MENU, menu_mmu2);
   #endif
 
+  #if ENABLED(MOTION_STEPS_COUNTER)
+    SUBMENU(MSG_ENCODER_INFO,encoder_info_menu);
+  #endif  
+
   SUBMENU(MSG_CONFIGURATION, menu_configuration);
 
   #if ENABLED(CUSTOM_MENU_MAIN)

Marlin/src/module/stepper.cpp

@@ -152,6 +152,10 @@ Stepper stepper; // Singleton
   #include "../HAL/ESP32/i2s.h"
 #endif
 
+#if ENABLED(MOTION_STEPS_COUNTER)
+  #include "../feature/runout.h"
+#endif
+
 // public:
 
 #if ANY(HAS_EXTRA_ENDSTOPS, Z_STEPPER_AUTO_ALIGN)
@@ -2832,10 +2836,12 @@ hal_timer_t Stepper::block_phase_isr() {
           ne_fix.A = (1L << 24) * ne.A;
           ne_fix.B = (1L << 24) * ne.B;
           ne_fix.C = (1L << 24) * ne.C;
+          FilamentSensorEncoder::extruding = true;
         }
         else {
           ne_fix.A = ne_fix.B = 0;
           ne_fix.C = (1L << 24);
+
         }
       #endif
 
@@ -2854,6 +2860,10 @@ hal_timer_t Stepper::block_phase_isr() {
           la_interval = calc_timer_interval((current_block->initial_rate + la_step_rate) >> current_block->la_scaling);
         }
       #endif
+
+      #if ENABLED(MOTION_STEPS_COUNTER)
+        FilamentSensorEncoder::extruding = ANY_AXIS_MOVES(current_block);
+      #endif
     }
   } // !current_block