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@ -40,6 +40,17 @@
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//=============================Thermal Settings ============================
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//===========================================================================
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//
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// Hephestos 2 24V heated bed upgrade kit.
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// https://store.bq.com/en/heated-bed-kit-hephestos2
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//
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//#define HEPHESTOS2_HEATED_BED_KIT
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#if ENABLED(HEPHESTOS2_HEATED_BED_KIT)
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#undef TEMP_SENSOR_BED
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#define TEMP_SENSOR_BED 70
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#define HEATER_BED_INVERTING true
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#endif
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#if DISABLED(PIDTEMPBED)
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#define BED_CHECK_INTERVAL 5000 // ms between checks in bang-bang control
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#if ENABLED(BED_LIMIT_SWITCHING)
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@ -640,6 +651,22 @@
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// Swap the CW/CCW indicators in the graphics overlay
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//#define OVERLAY_GFX_REVERSE
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#if ENABLED(U8GLIB_ST7920)
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/**
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* ST7920-based LCDs can emulate a 16 x 4 character display using
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* the ST7920 character-generator for very fast screen updates.
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* Enable LIGHTWEIGHT_UI to use this special display mode.
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*
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* Since LIGHTWEIGHT_UI has limited space, the position and status
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* message occupy the same line. Set STATUS_EXPIRE_SECONDS to the
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* length of time to display the status message before clearing.
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*/
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//#define LIGHTWEIGHT_UI
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#if ENABLED(LIGHTWEIGHT_UI)
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#define STATUS_EXPIRE_SECONDS 20
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#endif
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#endif
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#endif // DOGLCD
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// @section safety
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@ -679,43 +706,25 @@
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// @section extruder
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/**
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* Implementation of linear pressure control
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* Linear Pressure Control v1.5
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*
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* Assumption: advance = k * (delta velocity)
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* Assumption: advance [steps] = k * (delta velocity [steps/s])
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* K=0 means advance disabled.
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* See Marlin documentation for calibration instructions.
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*/
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//#define LIN_ADVANCE
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#if ENABLED(LIN_ADVANCE)
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#define LIN_ADVANCE_K 75
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/**
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* Some Slicers produce Gcode with randomly jumping extrusion widths occasionally.
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* For example within a 0.4mm perimeter it may produce a single segment of 0.05mm width.
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* While this is harmless for normal printing (the fluid nature of the filament will
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* close this very, very tiny gap), it throws off the LIN_ADVANCE pressure adaption.
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*
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* For this case LIN_ADVANCE_E_D_RATIO can be used to set the extrusion:distance ratio
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* to a fixed value. Note that using a fixed ratio will lead to wrong nozzle pressures
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* if the slicer is using variable widths or layer heights within one print!
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* NOTE: K values for LIN_ADVANCE 1.5 differ from earlier versions!
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*
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* This option sets the default E:D ratio at startup. Use `M900` to override this value.
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* Set K around 0.22 for 3mm PLA Direct Drive with ~6.5cm between the drive gear and heatbreak.
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* Larger K values will be needed for flexible filament and greater distances.
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* If this algorithm produces a higher speed offset than the extruder can handle (compared to E jerk)
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* print acceleration will be reduced during the affected moves to keep within the limit.
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*
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* Example: `M900 W0.4 H0.2 D1.75`, where:
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* - W is the extrusion width in mm
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* - H is the layer height in mm
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* - D is the filament diameter in mm
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*
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* Example: `M900 R0.0458` to set the ratio directly.
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*
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* Set to 0 to auto-detect the ratio based on given Gcode G1 print moves.
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*
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* Slic3r (including Průša Control) produces Gcode compatible with the automatic mode.
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* Cura (as of this writing) may produce Gcode incompatible with the automatic mode.
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* See http://marlinfw.org/docs/features/lin_advance.html for full instructions.
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* Mention @Sebastianv650 on GitHub to alert the author of any issues.
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*/
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#define LIN_ADVANCE_E_D_RATIO 0 // The calculated ratio (or 0) according to the formula W * H / ((D / 2) ^ 2 * PI)
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// Example: 0.4 * 0.2 / ((1.75 / 2) ^ 2 * PI) = 0.033260135
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//#define LIN_ADVANCE
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#if ENABLED(LIN_ADVANCE)
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#define LIN_ADVANCE_K 0.22 // Unit: mm compression per 1mm/s extruder speed
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//#define LA_DEBUG // If enabled, this will generate debug information output over USB.
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#endif
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// @section leveling
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Scott Lahteine
7 years ago