FILAMENT_SENSOR -> FILAMENT_WIDTH_SENSOR

.travis.yml

   - build_marlin
   # Enable filament sensor
   - restore_configs
-  - opt_enable FILAMENT_SENSOR
+  - opt_enable FILAMENT_WIDTH_SENSOR
   - build_marlin
   # Enable filament sensor with LCD display
   - restore_configs
-  - opt_enable ULTIMAKERCONTROLLER FILAMENT_SENSOR FILAMENT_LCD_DISPLAY
+  - opt_enable ULTIMAKERCONTROLLER FILAMENT_WIDTH_SENSOR FILAMENT_LCD_DISPLAY
   - build_marlin
   # Enable COREXY
   - restore_configs

Marlin/Conditionals.h

   #define HAS_SERVO_1 (PIN_EXISTS(SERVO1))
   #define HAS_SERVO_2 (PIN_EXISTS(SERVO2))
   #define HAS_SERVO_3 (PIN_EXISTS(SERVO3))
-  #define HAS_FILAMENT_SENSOR (ENABLED(FILAMENT_SENSOR) && PIN_EXISTS(FILWIDTH))
+  #define HAS_FILAMENT_WIDTH_SENSOR (PIN_EXISTS(FILWIDTH))
   #define HAS_FILRUNOUT (PIN_EXISTS(FILRUNOUT))
   #define HAS_HOME (PIN_EXISTS(HOME))
   #define HAS_KILL (PIN_EXISTS(KILL))

Marlin/Configuration.h

  * Note may require analog pins to be defined for different motherboards
  **********************************************************************/
 // Uncomment below to enable
-//#define FILAMENT_SENSOR
+//#define FILAMENT_WIDTH_SENSOR
 
 #define DEFAULT_NOMINAL_FILAMENT_DIA 3.00  //Enter the diameter (in mm) of the filament generally used (3.0 mm or 1.75 mm) - this is then used in the slicer software.  Used for sensor reading validation
 
-#if ENABLED(FILAMENT_SENSOR)
+#if ENABLED(FILAMENT_WIDTH_SENSOR)
   #define FILAMENT_SENSOR_EXTRUDER_NUM 0   //The number of the extruder that has the filament sensor (0,1,2)
   #define MEASUREMENT_DELAY_CM        14   //measurement delay in cm.  This is the distance from filament sensor to middle of barrel
 

Marlin/Marlin.h

   extern int EtoPPressure;
 #endif
 
-#if ENABLED(FILAMENT_SENSOR)
+#if ENABLED(FILAMENT_WIDTH_SENSOR)
   extern float filament_width_nominal;  //holds the theoretical filament diameter i.e., 3.00 or 1.75
   extern bool filament_sensor;  //indicates that filament sensor readings should control extrusion
   extern float filament_width_meas; //holds the filament diameter as accurately measured

Marlin/Marlin_main.cpp

   float axis_scaling[3] = { 1, 1, 1 };    // Build size scaling, default to 1
 #endif
 
-#if ENABLED(FILAMENT_SENSOR)
+#if ENABLED(FILAMENT_WIDTH_SENSOR)
   //Variables for Filament Sensor input
   float filament_width_nominal = DEFAULT_NOMINAL_FILAMENT_DIA;  //Set nominal filament width, can be changed with M404
   bool filament_sensor = false;  //M405 turns on filament_sensor control, M406 turns it off
 
 #endif // AUTO_BED_LEVELING_FEATURE && (HAS_SERVO_ENDSTOPS || Z_PROBE_ALLEN_KEY) && !Z_PROBE_SLED
 
-#if ENABLED(FILAMENT_SENSOR)
+#if ENABLED(FILAMENT_WIDTH_SENSOR)
 
   /**
    * M404: Display or set the nominal filament width (3mm, 1.75mm ) W<3.0>
     SERIAL_PROTOCOLLN(filament_width_meas);
   }
 
-#endif // FILAMENT_SENSOR
+#endif // FILAMENT_WIDTH_SENSOR
 
 /**
  * M410: Quickstop - Abort all planned moves
           break;
       #endif // AUTO_BED_LEVELING_FEATURE && (HAS_SERVO_ENDSTOPS || Z_PROBE_ALLEN_KEY) && !Z_PROBE_SLED
 
-      #if ENABLED(FILAMENT_SENSOR)
+      #if ENABLED(FILAMENT_WIDTH_SENSOR)
         case 404:  //M404 Enter the nominal filament width (3mm, 1.75mm ) N<3.0> or display nominal filament width
           gcode_M404();
           break;
         case 407:   //M407 Display measured filament diameter
           gcode_M407();
           break;
-      #endif // FILAMENT_SENSOR
+      #endif // ENABLED(FILAMENT_WIDTH_SENSOR)
 
       case 410: // M410 quickstop - Abort all the planned moves.
         gcode_M410();

Marlin/SanityCheck.h

  * Probes
  */
 
-  /**
-   * A probe needs a pin
-   */
+/**
+ * A probe needs a pin
+ */
 #if (!((HAS_Z_MIN && ENABLED(Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN)) || HAS_Z_PROBE )) && ( ENABLED(FIX_MOUNTED_PROBE) || defined(Z_ENDSTOP_SERVO_NR) || ENABLED(Z_PROBE_ALLEN_KEY) || ENABLED(Z_PROBE_SLED))
   #error A probe needs a pin! [Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN || HAS_Z_PROBE]
 #endif
   #error A probe should not be connected to more then one pin! [Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN || HAS_Z_PROBE]
 #endif
 
-  /**
-    * Require one kind of probe
-    */
+/**
+  * Require one kind of probe
+  */
 #if ENABLED(AUTO_BED_LEVELING_FEATURE) && !( ENABLED(FIX_MOUNTED_PROBE) || defined(Z_ENDSTOP_SERVO_NR) || ENABLED(Z_PROBE_ALLEN_KEY) || ENABLED(Z_PROBE_SLED))
   #error For AUTO_BED_LEVELING_FEATURE define one kind of probe! {Servo | Z_PROBE_ALLEN_KEY | Z_PROBE_SLED | FIX_MOUNTED_PROBE]
 #endif
 #endif // AUTO_BED_LEVELING_FEATURE
 
 /**
+ * Filament Width Sensor
+ */
+#if ENABLED(FILAMENT_WIDTH_SENSOR) && !HAS_FILAMENT_WIDTH_SENSOR
+  #error FILAMENT_WIDTH_SENSOR requires a FILWIDTH_PIN to be defined.
+#endif
+
+
+/**
  * ULTIPANEL encoder
  */
 #if ENABLED(ULTIPANEL) && DISABLED(NEWPANEL) && DISABLED(SR_LCD_2W_NL) && !defined(SHIFT_CLK)
   #error SDEXTRASLOW deprecated - set SPI_SPEED to SPI_QUARTER_SPEED instead
 #elif defined(Z_RAISE_BEFORE_HOMING)
   #error Z_RAISE_BEFORE_HOMING is deprecated. Use MIN_Z_HEIGHT_FOR_HOMING instead.
+#elif defined(FILAMENT_SENSOR)
+  #error FILAMENT_SENSOR is deprecated. Use FILAMENT_WIDTH_SENSOR instead.
 #endif
 
 #endif //SANITYCHECK_H

Marlin/example_configurations/Felix/Configuration.h

  * Note may require analog pins to be defined for different motherboards
  **********************************************************************/
 // Uncomment below to enable
-//#define FILAMENT_SENSOR
+//#define FILAMENT_WIDTH_SENSOR
 
 #define DEFAULT_NOMINAL_FILAMENT_DIA 3.00  //Enter the diameter (in mm) of the filament generally used (3.0 mm or 1.75 mm) - this is then used in the slicer software.  Used for sensor reading validation
 
-#if ENABLED(FILAMENT_SENSOR)
+#if ENABLED(FILAMENT_WIDTH_SENSOR)
   #define FILAMENT_SENSOR_EXTRUDER_NUM 0   //The number of the extruder that has the filament sensor (0,1,2)
   #define MEASUREMENT_DELAY_CM        14   //measurement delay in cm.  This is the distance from filament sensor to middle of barrel
 

Marlin/example_configurations/Felix/Configuration_DUAL.h

  * Note may require analog pins to be defined for different motherboards
  **********************************************************************/
 // Uncomment below to enable
-//#define FILAMENT_SENSOR
+//#define FILAMENT_WIDTH_SENSOR
 
 #define DEFAULT_NOMINAL_FILAMENT_DIA 3.00  //Enter the diameter (in mm) of the filament generally used (3.0 mm or 1.75 mm) - this is then used in the slicer software.  Used for sensor reading validation
 
-#if ENABLED(FILAMENT_SENSOR)
+#if ENABLED(FILAMENT_WIDTH_SENSOR)
   #define FILAMENT_SENSOR_EXTRUDER_NUM 0   //The number of the extruder that has the filament sensor (0,1,2)
   #define MEASUREMENT_DELAY_CM        14   //measurement delay in cm.  This is the distance from filament sensor to middle of barrel
 

Marlin/example_configurations/Hephestos/Configuration.h

  * Note may require analog pins to be defined for different motherboards
  **********************************************************************/
 // Uncomment below to enable
-//#define FILAMENT_SENSOR
+//#define FILAMENT_WIDTH_SENSOR
 
 #define DEFAULT_NOMINAL_FILAMENT_DIA 3.00  //Enter the diameter (in mm) of the filament generally used (3.0 mm or 1.75 mm) - this is then used in the slicer software.  Used for sensor reading validation
 
-#if ENABLED(FILAMENT_SENSOR)
+#if ENABLED(FILAMENT_WIDTH_SENSOR)
   #define FILAMENT_SENSOR_EXTRUDER_NUM 0   //The number of the extruder that has the filament sensor (0,1,2)
   #define MEASUREMENT_DELAY_CM        14   //measurement delay in cm.  This is the distance from filament sensor to middle of barrel
 

Marlin/example_configurations/Hephestos_2/Configuration.h

  * Note may require analog pins to be defined for different motherboards
  **********************************************************************/
 // Uncomment below to enable
-//#define FILAMENT_SENSOR
+//#define FILAMENT_WIDTH_SENSOR
 
 #define DEFAULT_NOMINAL_FILAMENT_DIA 1.75  //Enter the diameter (in mm) of the filament generally used (3.0 mm or 1.75 mm) - this is then used in the slicer software.  Used for sensor reading validation
 
-#if ENABLED(FILAMENT_SENSOR)
+#if ENABLED(FILAMENT_WIDTH_SENSOR)
   #define FILAMENT_SENSOR_EXTRUDER_NUM 0   //The number of the extruder that has the filament sensor (0,1,2)
   #define MEASUREMENT_DELAY_CM        14   //measurement delay in cm.  This is the distance from filament sensor to middle of barrel
 

Marlin/example_configurations/K8200/Configuration.h

  * Note may require analog pins to be defined for different motherboards
  **********************************************************************/
 // Uncomment below to enable
-//#define FILAMENT_SENSOR
+//#define FILAMENT_WIDTH_SENSOR
 
 #define DEFAULT_NOMINAL_FILAMENT_DIA 3.00  //Enter the diameter (in mm) of the filament generally used (3.0 mm or 1.75 mm) - this is then used in the slicer software.  Used for sensor reading validation
 
-#if ENABLED(FILAMENT_SENSOR)
+#if ENABLED(FILAMENT_WIDTH_SENSOR)
   #define FILAMENT_SENSOR_EXTRUDER_NUM 0   //The number of the extruder that has the filament sensor (0,1,2)
   #define MEASUREMENT_DELAY_CM        14   //measurement delay in cm.  This is the distance from filament sensor to middle of barrel
 

Marlin/example_configurations/RepRapWorld/Megatronics/Configuration.h

  * Note may require analog pins to be defined for different motherboards
  **********************************************************************/
 // Uncomment below to enable
-//#define FILAMENT_SENSOR
+//#define FILAMENT_WIDTH_SENSOR
 
 #define DEFAULT_NOMINAL_FILAMENT_DIA 3.00  //Enter the diameter (in mm) of the filament generally used (3.0 mm or 1.75 mm) - this is then used in the slicer software.  Used for sensor reading validation
 
-#if ENABLED(FILAMENT_SENSOR)
+#if ENABLED(FILAMENT_WIDTH_SENSOR)
   #define FILAMENT_SENSOR_EXTRUDER_NUM 0   //The number of the extruder that has the filament sensor (0,1,2)
   #define MEASUREMENT_DELAY_CM        14   //measurement delay in cm.  This is the distance from filament sensor to middle of barrel
 

Marlin/example_configurations/RigidBot/Configuration.h

  * Note may require analog pins to be defined for different motherboards
  **********************************************************************/
 // Uncomment below to enable
-//#define FILAMENT_SENSOR
+//#define FILAMENT_WIDTH_SENSOR
 
 #define DEFAULT_NOMINAL_FILAMENT_DIA 3.00  //Enter the diameter (in mm) of the filament generally used (3.0 mm or 1.75 mm) - this is then used in the slicer software.  Used for sensor reading validation
 
-#if ENABLED(FILAMENT_SENSOR)
+#if ENABLED(FILAMENT_WIDTH_SENSOR)
   #define FILAMENT_SENSOR_EXTRUDER_NUM 0   //The number of the extruder that has the filament sensor (0,1,2)
   #define MEASUREMENT_DELAY_CM        14   //measurement delay in cm.  This is the distance from filament sensor to middle of barrel
 

Marlin/example_configurations/SCARA/Configuration.h

  * Note may require analog pins to be defined for different motherboards
  **********************************************************************/
 // Uncomment below to enable
-//#define FILAMENT_SENSOR
+//#define FILAMENT_WIDTH_SENSOR
 
 #define DEFAULT_NOMINAL_FILAMENT_DIA 3.00  //Enter the diameter (in mm) of the filament generally used (3.0 mm or 1.75 mm) - this is then used in the slicer software.  Used for sensor reading validation
 
-#if ENABLED(FILAMENT_SENSOR)
+#if ENABLED(FILAMENT_WIDTH_SENSOR)
   #define FILAMENT_SENSOR_EXTRUDER_NUM 0   //The number of the extruder that has the filament sensor (0,1,2)
   #define MEASUREMENT_DELAY_CM        14   //measurement delay in cm.  This is the distance from filament sensor to middle of barrel
 

Marlin/example_configurations/TAZ4/Configuration.h

  * Note may require analog pins to be defined for different motherboards
  **********************************************************************/
 // Uncomment below to enable
-//#define FILAMENT_SENSOR
+//#define FILAMENT_WIDTH_SENSOR
 
 #define DEFAULT_NOMINAL_FILAMENT_DIA 3.00  //Enter the diameter (in mm) of the filament generally used (3.0 mm or 1.75 mm) - this is then used in the slicer software.  Used for sensor reading validation
 
-#if ENABLED(FILAMENT_SENSOR)
+#if ENABLED(FILAMENT_WIDTH_SENSOR)
   #define FILAMENT_SENSOR_EXTRUDER_NUM 0   //The number of the extruder that has the filament sensor (0,1,2)
   #define MEASUREMENT_DELAY_CM        14   //measurement delay in cm.  This is the distance from filament sensor to middle of barrel
 

Marlin/example_configurations/WITBOX/Configuration.h

  * Note may require analog pins to be defined for different motherboards
  **********************************************************************/
 // Uncomment below to enable
-//#define FILAMENT_SENSOR
+//#define FILAMENT_WIDTH_SENSOR
 
 #define DEFAULT_NOMINAL_FILAMENT_DIA 3.00  //Enter the diameter (in mm) of the filament generally used (3.0 mm or 1.75 mm) - this is then used in the slicer software.  Used for sensor reading validation
 
-#if ENABLED(FILAMENT_SENSOR)
+#if ENABLED(FILAMENT_WIDTH_SENSOR)
   #define FILAMENT_SENSOR_EXTRUDER_NUM 0   //The number of the extruder that has the filament sensor (0,1,2)
   #define MEASUREMENT_DELAY_CM        14   //measurement delay in cm.  This is the distance from filament sensor to middle of barrel
 

Marlin/example_configurations/adafruit/ST7565/Configuration.h

  * Note may require analog pins to be defined for different motherboards
  **********************************************************************/
 // Uncomment below to enable
-//#define FILAMENT_SENSOR
+//#define FILAMENT_WIDTH_SENSOR
 
 #define DEFAULT_NOMINAL_FILAMENT_DIA 3.00  //Enter the diameter (in mm) of the filament generally used (3.0 mm or 1.75 mm) - this is then used in the slicer software.  Used for sensor reading validation
 
-#if ENABLED(FILAMENT_SENSOR)
+#if ENABLED(FILAMENT_WIDTH_SENSOR)
   #define FILAMENT_SENSOR_EXTRUDER_NUM 0   //The number of the extruder that has the filament sensor (0,1,2)
   #define MEASUREMENT_DELAY_CM        14   //measurement delay in cm.  This is the distance from filament sensor to middle of barrel
 

Marlin/example_configurations/delta/biv2.5/Configuration.h

  * Note may require analog pins to be defined for different motherboards
  **********************************************************************/
 // Uncomment below to enable
-//#define FILAMENT_SENSOR
+//#define FILAMENT_WIDTH_SENSOR
 
 #define DEFAULT_NOMINAL_FILAMENT_DIA 1.75  //Enter the diameter (in mm) of the filament generally used (3.0 mm or 1.75 mm) - this is then used in the slicer software.  Used for sensor reading validation
 
-#if ENABLED(FILAMENT_SENSOR)
+#if ENABLED(FILAMENT_WIDTH_SENSOR)
   #define FILAMENT_SENSOR_EXTRUDER_NUM 0   //The number of the extruder that has the filament sensor (0,1,2)
   #define MEASUREMENT_DELAY_CM        14   //measurement delay in cm.  This is the distance from filament sensor to middle of barrel
 

Marlin/example_configurations/delta/generic/Configuration.h

  * Note may require analog pins to be defined for different motherboards
  **********************************************************************/
 // Uncomment below to enable
-//#define FILAMENT_SENSOR
+//#define FILAMENT_WIDTH_SENSOR
 
 #define DEFAULT_NOMINAL_FILAMENT_DIA 3.00  //Enter the diameter (in mm) of the filament generally used (3.0 mm or 1.75 mm) - this is then used in the slicer software.  Used for sensor reading validation
 
-#if ENABLED(FILAMENT_SENSOR)
+#if ENABLED(FILAMENT_WIDTH_SENSOR)
   #define FILAMENT_SENSOR_EXTRUDER_NUM 0   //The number of the extruder that has the filament sensor (0,1,2)
   #define MEASUREMENT_DELAY_CM        14   //measurement delay in cm.  This is the distance from filament sensor to middle of barrel
 

Marlin/example_configurations/delta/kossel_mini/Configuration.h

  * Note may require analog pins to be defined for different motherboards
  **********************************************************************/
 // Uncomment below to enable
-//#define FILAMENT_SENSOR
+//#define FILAMENT_WIDTH_SENSOR
 
 #define DEFAULT_NOMINAL_FILAMENT_DIA 3.00  //Enter the diameter (in mm) of the filament generally used (3.0 mm or 1.75 mm) - this is then used in the slicer software.  Used for sensor reading validation
 
-#if ENABLED(FILAMENT_SENSOR)
+#if ENABLED(FILAMENT_WIDTH_SENSOR)
   #define FILAMENT_SENSOR_EXTRUDER_NUM 0   //The number of the extruder that has the filament sensor (0,1,2)
   #define MEASUREMENT_DELAY_CM        14   //measurement delay in cm.  This is the distance from filament sensor to middle of barrel
 

Marlin/example_configurations/delta/kossel_pro/Configuration.h

  * Note may require analog pins to be defined for different motherboards
  **********************************************************************/
 // Uncomment below to enable
-//#define FILAMENT_SENSOR
+//#define FILAMENT_WIDTH_SENSOR
 
 #define DEFAULT_NOMINAL_FILAMENT_DIA 3.00  //Enter the diameter (in mm) of the filament generally used (3.0 mm or 1.75 mm) - this is then used in the slicer software.  Used for sensor reading validation
 
-#if ENABLED(FILAMENT_SENSOR)
+#if ENABLED(FILAMENT_WIDTH_SENSOR)
   #define FILAMENT_SENSOR_EXTRUDER_NUM 0   //The number of the extruder that has the filament sensor (0,1,2)
   #define MEASUREMENT_DELAY_CM        14   //measurement delay in cm.  This is the distance from filament sensor to middle of barrel
 

Marlin/example_configurations/delta/kossel_xl/Configuration.h

  * Note may require analog pins to be defined for different motherboards
  **********************************************************************/
 // Uncomment below to enable
-//#define FILAMENT_SENSOR
+//#define FILAMENT_WIDTH_SENSOR
 
 #define DEFAULT_NOMINAL_FILAMENT_DIA 1.75  //Enter the diameter (in mm) of the filament generally used (3.0 mm or 1.75 mm) - this is then used in the slicer software.  Used for sensor reading validation
 
-#if ENABLED(FILAMENT_SENSOR)
+#if ENABLED(FILAMENT_WIDTH_SENSOR)
   #define FILAMENT_SENSOR_EXTRUDER_NUM 0   //The number of the extruder that has the filament sensor (0,1,2)
   #define MEASUREMENT_DELAY_CM        14   //measurement delay in cm.  This is the distance from filament sensor to middle of barrel
 

Marlin/example_configurations/makibox/Configuration.h

  * Note may require analog pins to be defined for different motherboards
  **********************************************************************/
 // Uncomment below to enable
-//#define FILAMENT_SENSOR
+//#define FILAMENT_WIDTH_SENSOR
 
 #define DEFAULT_NOMINAL_FILAMENT_DIA 3.00  //Enter the diameter (in mm) of the filament generally used (3.0 mm or 1.75 mm) - this is then used in the slicer software.  Used for sensor reading validation
 
-#if ENABLED(FILAMENT_SENSOR)
+#if ENABLED(FILAMENT_WIDTH_SENSOR)
   #define FILAMENT_SENSOR_EXTRUDER_NUM 0   //The number of the extruder that has the filament sensor (0,1,2)
   #define MEASUREMENT_DELAY_CM        14   //measurement delay in cm.  This is the distance from filament sensor to middle of barrel
 

Marlin/example_configurations/tvrrug/Round2/Configuration.h

  * Note may require analog pins to be defined for different motherboards
  **********************************************************************/
 // Uncomment below to enable
-//#define FILAMENT_SENSOR
+//#define FILAMENT_WIDTH_SENSOR
 
 #define DEFAULT_NOMINAL_FILAMENT_DIA 3.00  //Enter the diameter (in mm) of the filament generally used (3.0 mm or 1.75 mm) - this is then used in the slicer software.  Used for sensor reading validation
 
-#if ENABLED(FILAMENT_SENSOR)
+#if ENABLED(FILAMENT_WIDTH_SENSOR)
   #define FILAMENT_SENSOR_EXTRUDER_NUM 0   //The number of the extruder that has the filament sensor (0,1,2)
   #define MEASUREMENT_DELAY_CM        14   //measurement delay in cm.  This is the distance from filament sensor to middle of barrel
 

Marlin/planner.cpp

   block->nominal_speed = block->millimeters * inverse_second; // (mm/sec) Always > 0
   block->nominal_rate = ceil(block->step_event_count * inverse_second); // (step/sec) Always > 0
 
-  #if ENABLED(FILAMENT_SENSOR)
+  #if ENABLED(FILAMENT_WIDTH_SENSOR)
     //FMM update ring buffer used for delay with filament measurements
     if (extruder == FILAMENT_SENSOR_EXTRUDER_NUM && delay_index2 > -1) {  //only for extruder with filament sensor and if ring buffer is initialized
 

Marlin/temperature.cpp

   volatile int babystepsTodo[3] = { 0 };
 #endif
 
-#if ENABLED(FILAMENT_SENSOR)
+#if ENABLED(FILAMENT_WIDTH_SENSOR)
   int current_raw_filwidth = 0;  //Holds measured filament diameter - one extruder only
 #endif
 
   #define SOFT_PWM_SCALE 0
 #endif
 
-#if ENABLED(FILAMENT_SENSOR)
+#if ENABLED(FILAMENT_WIDTH_SENSOR)
   static int meas_shift_index;  //used to point to a delayed sample in buffer for filament width sensor
 #endif
 
   #endif
 
   // Control the extruder rate based on the width sensor
-  #if ENABLED(FILAMENT_SENSOR)
+  #if ENABLED(FILAMENT_WIDTH_SENSOR)
     if (filament_sensor) {
       meas_shift_index = delay_index1 - meas_delay_cm;
       if (meas_shift_index < 0) meas_shift_index += MAX_MEASUREMENT_DELAY + 1;  //loop around buffer if needed
       NOLESS(vm, 0.01);
       volumetric_multiplier[FILAMENT_SENSOR_EXTRUDER_NUM] = vm;
     }
-  #endif //FILAMENT_SENSOR
+  #endif //FILAMENT_WIDTH_SENSOR
 
   #if DISABLED(PIDTEMPBED)
     if (ms < next_bed_check_ms) return;
   #if ENABLED(TEMP_SENSOR_1_AS_REDUNDANT)
     redundant_temperature = analog2temp(redundant_temperature_raw, 1);
   #endif
-  #if HAS_FILAMENT_SENSOR
+  #if ENABLED(FILAMENT_WIDTH_SENSOR)
     filament_width_meas = analog2widthFil();
   #endif
 
 }
 
 
-#if ENABLED(FILAMENT_SENSOR)
+#if ENABLED(FILAMENT_WIDTH_SENSOR)
 
   // Convert raw Filament Width to millimeters
   float analog2widthFil() {
   #if HAS_TEMP_BED
     ANALOG_SELECT(TEMP_BED_PIN);
   #endif
-  #if HAS_FILAMENT_SENSOR
+  #if ENABLED(FILAMENT_WIDTH_SENSOR)
     ANALOG_SELECT(FILWIDTH_PIN);
   #endif
 
     ISR_STATICS(BED);
   #endif
 
-  #if HAS_FILAMENT_SENSOR
+  #if ENABLED(FILAMENT_WIDTH_SENSOR)
     static unsigned long raw_filwidth_value = 0;
   #endif
 
       break;
 
     case Prepare_FILWIDTH:
-      #if HAS_FILAMENT_SENSOR
+      #if ENABLED(FILAMENT_WIDTH_SENSOR)
         START_ADC(FILWIDTH_PIN);
       #endif
       lcd_buttons_update();
       temp_state = Measure_FILWIDTH;
       break;
     case Measure_FILWIDTH:
-      #if HAS_FILAMENT_SENSOR
+      #if ENABLED(FILAMENT_WIDTH_SENSOR)
         // raw_filwidth_value += ADC;  //remove to use an IIR filter approach
         if (ADC > 102) { //check that ADC is reading a voltage > 0.5 volts, otherwise don't take in the data.
           raw_filwidth_value -= (raw_filwidth_value >> 7); //multiply raw_filwidth_value by 127/128
     if (!temp_meas_ready) set_current_temp_raw();
 
     // Filament Sensor - can be read any time since IIR filtering is used
-    #if HAS_FILAMENT_SENSOR
+    #if ENABLED(FILAMENT_WIDTH_SENSOR)
       current_raw_filwidth = raw_filwidth_value >> 10;  // Divide to get to 0-16384 range since we used 1/128 IIR filter approach
     #endif
 

Marlin/temperature.h

 void tp_init();  //initialize the heating
 void manage_heater(); //it is critical that this is called periodically.
 
-#if ENABLED(FILAMENT_SENSOR)
+#if ENABLED(FILAMENT_WIDTH_SENSOR)
   // For converting raw Filament Width to milimeters
   float analog2widthFil();