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Add filament runout sensor support.

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arunoda committed Feb 3, 2018
1 parent d712a0e commit 63e770961e0191b32acb55a5225525708706ebec
Showing with 7 additions and 7 deletions.
  1. +4 −4 Marlin/Configuration.h
  2. +2 −2 Marlin/Configuration_adv.h
  3. +1 −1 Marlin/pins_RAMPS.h
@@ -824,9 +824,9 @@
* For other boards you may need to define FIL_RUNOUT_PIN.
* By default the firmware assumes HIGH = has filament, LOW = ran out
*/
//#define FILAMENT_RUNOUT_SENSOR
#define FILAMENT_RUNOUT_SENSOR
#if ENABLED(FILAMENT_RUNOUT_SENSOR)
#define FIL_RUNOUT_INVERTING false // set to true to invert the logic of the sensor.
#define FIL_RUNOUT_INVERTING true // set to true to invert the logic of the sensor.

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arunoda Feb 3, 2018

Owner

Since I'm using an endstop, we need to do this.

#define ENDSTOPPULLUP_FIL_RUNOUT // Uncomment to use internal pullup for filament runout pins if the sensor is defined.
#define FILAMENT_RUNOUT_SCRIPT "M600"
#endif
@@ -1164,11 +1164,11 @@
* P1 Raise the nozzle always to Z-park height.
* P2 Raise the nozzle by Z-park amount, limited to Z_MAX_POS.
*/
//#define NOZZLE_PARK_FEATURE
#define NOZZLE_PARK_FEATURE

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arunoda Feb 3, 2018

Owner

This is a requirement for ADVANCED_PAUSE_FEATURE. After the print is paused, it'll go to this place. So, we can change the filament and clean it if needed.

#if ENABLED(NOZZLE_PARK_FEATURE)
// Specify a park position as { X, Y, Z }
#define NOZZLE_PARK_POINT { (X_MIN_POS + 10), (Y_MAX_POS - 10), 20 }
#define NOZZLE_PARK_POINT { 40, 20, 20 }

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arunoda Feb 3, 2018

Owner

This is the position, I'd like to see as the parking place.

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arunoda Feb 3, 2018

Owner

Z change it from the current z position.

#define NOZZLE_PARK_XY_FEEDRATE 100 // X and Y axes feedrate in mm/s (also used for delta printers Z axis)
#define NOZZLE_PARK_Z_FEEDRATE 5 // Z axis feedrate in mm/s (not used for delta printers)
#endif
@@ -876,13 +876,13 @@
* Requires NOZZLE_PARK_FEATURE.
* This feature is required for the default FILAMENT_RUNOUT_SCRIPT.
*/
//#define ADVANCED_PAUSE_FEATURE
#define ADVANCED_PAUSE_FEATURE

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arunoda Feb 3, 2018

Owner

This is a requirement for filament runout sensor.
This defined M600 script.

It will pause the print and move the nozzle to the parking position.
It'll show a message on the LCD screen.
It'll retract the filament out from the extruder.
Once we add the filament back, we can click the nob and start extruding filament in the parking place.

Then we can clean the nozzle manually and resume the print via the LCD menu item.

#if ENABLED(ADVANCED_PAUSE_FEATURE)
#define PAUSE_PARK_RETRACT_FEEDRATE 60 // Initial retract feedrate in mm/s
#define PAUSE_PARK_RETRACT_LENGTH 2 // Initial retract in mm
// It is a short retract used immediately after print interrupt before move to filament exchange position
#define FILAMENT_CHANGE_UNLOAD_FEEDRATE 10 // Unload filament feedrate in mm/s - filament unloading can be fast
#define FILAMENT_CHANGE_UNLOAD_LENGTH 100 // Unload filament length from hotend in mm
#define FILAMENT_CHANGE_UNLOAD_LENGTH 0 // Unload filament length from hotend in mm

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arunoda Feb 3, 2018

Owner

Since I'm using an endstop, unloading will break the endstop. So, I turn this feature off.

// Longer length for bowden printers to unload filament from whole bowden tube,
// shorter length for printers without bowden to unload filament from extruder only,
// 0 to disable unloading for manual unloading
@@ -252,7 +252,7 @@
#endif
// define digital pin 4 for the filament runout sensor. Use the RAMPS 1.4 digital input 4 on the servos connector
#define FIL_RUNOUT_PIN 4
#define FIL_RUNOUT_PIN 19

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arunoda Feb 3, 2018

Owner

In my board, I couldn't find out the servo 4 pin. So, it's easy for me to use the Z-MAX port (which is 19) which I don't use.

#ifndef PS_ON_PIN
#define PS_ON_PIN 12

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