Move bd_pressure.cfg and TEST_SPEED into the repo
All macros now come from this repo. bd_pressure.cfg ([bdpressure bd_pa] and the vendor PA_CALIBRATE macros) and Macros/TEST_SPEED.cfg were loose files in ~/printer_data/config. PA_CALIBRATE no longer sets Z back to z_current at the end: it was read before the test ran, so a Z hop in the G28 XY (Beacon home_z_hop) would leave Klipper believing the nozzle is lower than it is. Z is never switched off or moved by the test, so it keeps its position without that line. The ACC_WALL bug (read from ACCEL_TO_DECEL, always 4000) is documented, not fixed: the cached PA values were measured at 4000. printer.cfg must drop [include bd_pressure.cfg] and Macros/macros.cfg its TEST_SPEED include, else the old copies (included later) still win. Reference values from the load-check-afc branch and from the guard and Z check tests added to CLAUDE.md. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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@@ -94,7 +94,12 @@ detection, `filament_error_sensitivity`), iHeater chamber heater.
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## Reference values
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- Purge check (150 mm Blobifier purge): good load = longest pressure
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13-18 s, peak 64-181; empty nozzle about 30 ms.
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13-18 s, peak 64-181; empty nozzle about 30 ms. A real failed load in a
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print start (AFC reported the lane loaded, nothing reached the nozzle):
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longest 1915 ms, peak 45, caught by the 5000 ms limit.
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- Nozzle guard (bdp_guard): reading at rest and in travel peaks about 2; a
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light finger push on the cold nozzle gives 41 (threshold 30).
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- Z check after a contact homing: Beacon vs Klipper Z about 0.06 mm.
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- XY drift check: endstop noise about 0.01-0.02 mm; limit 0.1 mm (one motor
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skipping one cycle = 0.4 mm shows as 0.2 mm in X and Y).
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@@ -26,6 +26,7 @@ everything below, grouped by topic. Comment out what you do not use there.
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| `filament.cfg` | `LOAD_FILAMENT`, `UNLOAD_FILAMENT` | — |
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| `homing.cfg` | `HOME`: X/Y, then Z always with Beacon contact (also when already homed); `_Z_CHECK`: stops the print when Klipper's Z and the Beacon reading differ (run in `PRINT_START` after the soak) | Beacon |
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| `nozzle_guard.cfg` | `[bdp_guard]`, `_GUARD_ON PHASE=<name>`, `_GUARD_OFF`: bd_pressure watches the nozzle force during print-start moves where nothing should touch it (QGL, Z homing, mesh); `mode: log` only reports the peak per phase, `mode: stop` shuts Klipper down on a touch | `extras/bdp_guard.py` + bd_pressure load-check firmware |
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| `test_speed.cfg` | `TEST_SPEED`: skipped-steps test for speed and acceleration | — |
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| `idle_timeout.cfg` | `[idle_timeout]`: heaters, chamber heater and motors off | iHeater macros |
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| **heating/** | | |
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| `heat_soak.cfg` | `HEAT_SOAK`, `STOP_HEAT_SOAK`, `CANCEL_HEAT_SOAK`, `HEAT_SOAK_RESUME`, `RESUME` | — |
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@@ -39,6 +40,7 @@ everything below, grouped by topic. Comment out what you do not use there.
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| `purge_check.cfg` | `BLOBIFIER_CHECKED`: checks every AFC purge with bd_pressure (and optionally bdwidth motion); a bd_pressure that does not answer fails the check, `PURGE_CHECK_IGNORE_SENSOR` lets the current print finish without it | Blobifier, AFC, `extras/bdpressure_check.py` + bd_pressure load-check firmware, `extras/bdwidth_status.py` |
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| `purge_until_empty.cfg` | `PURGE_UNTIL_EMPTY`: purges a snapped filament out until there is no more nozzle pressure | same as `purge_check.cfg` |
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| **pressure_advance/** | | |
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| `bd_pressure.cfg` | `[bdpressure bd_pa]` (I2C on the Nitehawk) and the vendor macros `PA_CALIBRATE`, `PA_E`, `PA_RESET`, `PA_STATE`; `PA_CALIBRATE` no longer sets Z back to a value read before the test (wrong after a Z hop in `G28 XY`) | `bdpressure.py` from the bd_pressure repo |
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| `bd_pa_spoolman.cfg` + `bd_pa_*.sh` | `LANE_CALIBRATE_PA`, `PA_CALIBRATE_ALL_LANES`, `LANE_RECAL_PA`, `SET_SPOOL_ID`, `PA_STATUS`: pressure advance per lane/spool, cached locally and in Spoolman; a calibration with no result, a pause during the test or too few/stuck sensor readings is rejected and not saved | bd_pressure, AFC, Spoolman, `gcode_shell_command` |
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| **spoolman/** | | |
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| `active_spool.cfg` | `SET_ACTIVE_SPOOL`, `CLEAR_ACTIVE_SPOOL` | Spoolman in Moonraker |
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@@ -160,6 +162,8 @@ original licenses apply to those parts:
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| `heating/heat_soak.cfg` | community `HEAT_SOAK` macro |
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| `heating/chamber_iheater.cfg` | iHeater vendor configuration |
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| `heating/filament_drying.cfg` | community filament drying macro |
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| `pressure_advance/bd_pressure.cfg` | [bd_pressure](https://github.com/markniu/bd_pressure) `klipper/bd_pressure.cfg` |
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| `print/test_speed.cfg` | [Ellis' TEST_SPEED](https://ellis3dp.com/Print-Tuning-Guide/articles/determining_max_speeds_accels.html) |
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| `print/pause_resume.cfg`, `print/filament.cfg` | [KlipperScreen recommended macros](https://klipperscreen.readthedocs.io/en/latest/macros/#recommended) |
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| `scripts/` | [Voron docs: automating MCU updates](https://docs.vorondesign.com/community/howto/drachenkatze/automating_klipper_mcu_updates.html), [Esoterical's CANBus guide](https://canbus.esoterical.online/) |
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@@ -24,6 +24,7 @@
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[include print/homing.cfg]
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[include print/idle_timeout.cfg]
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[include print/print_start_end.cfg]
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[include print/test_speed.cfg] # TEST_SPEED: skipped-steps test
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# Heating
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[include heating/bed_fans.cfg]
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@@ -39,6 +40,7 @@
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[include afc/purge_until_empty.cfg]
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# Pressure advance per lane/spool (bd_pressure + Spoolman)
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[include pressure_advance/bd_pressure.cfg] # [bdpressure bd_pa] and the vendor PA_CALIBRATE macros
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[include pressure_advance/bd_pa_spoolman.cfg]
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# Spoolman
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@@ -0,0 +1,164 @@
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# bd_pressure (strain gauge on the nozzle): sensor and the vendor's PA
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# calibration macros, from the bd_pressure repo (klipper/bd_pressure.cfg),
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# moved here from ~/printer_data/config/bd_pressure.cfg.
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#
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# Connected over I2C (software I2C on the Nitehawk). Its endstop output is
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# not wired; Beacon does the Z probing. Used by: LANE_CALIBRATE_PA
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# (bd_pa_spoolman.cfg), the purge check (bdpressure_check.py) and the
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# nozzle guard (bdp_guard.py).
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#
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# PA_CALIBRATE: SET_BDPRESSURE START switches the X and Y drivers off, so
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# the X/Y moves of the test only happen on paper (the nozzle stays where
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# LANE_CALIBRATE_PA put it) and X/Y are homed again at the end.
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# Known: ACC_WALL is read from the ACCEL_TO_DECEL parameter (vendor bug), so
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# the test always runs at 4000 mm/s^2; the cached PA values were measured
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# like that. The acceleration and square corner velocity it sets are not
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# restored (the slicer sets them again per feature).
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[bdpressure bd_pa]
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port: i2c
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i2c_mcu: nhk
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i2c_software_scl_pin: nhk:PB3
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i2c_software_sda_pin: nhk:PB4
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thrhold: 5 # probe trigger value, recommended 3 to 10; bdp_guard and the load check read it as THRHOLD_Z
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[gcode_macro PA_RESET]
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gcode:
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M400
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G4 P200
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SET_BDPRESSURE NAME=bd_pa COMMAND=RESET_PROBE
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G4 P200
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[gcode_macro PA_STATE]
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gcode:
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{% set status = printer["bdpressure bd_pa"].state %}
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{ action_respond_info("status:%s %d"%(status,params.T|int)) }
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[gcode_macro PA_E]
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gcode:
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{% set status = printer["bdpressure bd_pa"].state %}
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{% set i = params.I|int %}
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#{ action_respond_info("status:%f %d"%(params.STEP|float,i)) }
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{% if status=='START' %}
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{% set pressure_ad = 0 + i*(params.STEP|float) %}
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SET_PRESSURE_ADVANCE ADVANCE={pressure_ad}
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{% set y_step =38.75 + i*3.5 %}
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G1 X78 Y{y_step} F{params.T_SPEED|int}
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G1 F{params.L_SPEED|int}
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G1 X98 Y{y_step} E.92643
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G1 F{params.H_SPEED|int}
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G1 X138 Y{y_step} E1.85285
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G1 F{params.L_SPEED|int}
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G1 X158 Y{y_step} E.92643
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M400
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SET_BDPRESSURE NAME=bd_pa COMMAND=READ VALUE={pressure_ad}
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{% endif %}
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[gcode_macro PA_CALIBRATE]
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gcode:
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# PA_CALIBRATE NOZZLE_TEMP=[first_layer_temperature] MAX_VOLUMETRIC=[filament_max_volumetric_speed] ACC_WALL=[outer_wall_acceleration]
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# TRAVEL_SPEED=[travel_speed] ACC_TO_DECEL_FACTOR=[accel_to_decel_factor]
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### temperature=210,ACCEL_TO_DECEL=10000,ACCEL=8000,SQUARE_CORNER_VELOCITY=5
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{% set NOZZLE_TEMP = 210 %}
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{% if params.NOZZLE_TEMP %}
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{ action_respond_info("nozzle TEMPERATURE %s "%params.NOZZLE_TEMP) }
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{% set NOZZLE_TEMP = params.NOZZLE_TEMP|default(210)|float %}
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{% endif %}
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{% set ACC_WALL = 4000 %}
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{% if params.ACC_WALL %}
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{ action_respond_info("ACC_out_WALL %s "%params.ACC_WALL) }
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{% set ACC_WALL = params.ACCEL_TO_DECEL|default(4000)|float %}
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{% endif %}
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{% set SQUARE_CORNER_SPEED = 9 %}
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{% if params.SQUARE_CORNER_VELOCITY %}
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{ action_respond_info("SQUARE_CORNER_VELOCITY %s "%params.SQUARE_CORNER_VELOCITY) }
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{% set SQUARE_CORNER_SPEED = params.SQUARE_CORNER_VELOCITY|default(9)|float %}
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{% endif %}
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### travel_speed=400, max_volumetric_speed = [filament_max_volumetric_speed]
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## low_speed = (1020/20)*max_volumetric_speed
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## high_speed = (10740/20)*max_volumetric_speed
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{% set ACC_TO_DECEL_FAC = 0.5 %}
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{% set MIN_CRUISE = 0.5 %}
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{% if params.ACC_TO_DECEL_FACTOR %}
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{ action_respond_info("accel_to_decel_factor %s "%params.ACC_TO_DECEL_FACTOR) }
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{% set ACC_TO_DECEL_FAC = params.ACC_TO_DECEL_FACTOR.replace("%", "").strip() | float / 100 %}
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{% set MIN_CRUISE = 1-ACC_TO_DECEL_FAC|float %}
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{ action_respond_info("ACC_TO_DECEL_FACTOR %s "%ACC_TO_DECEL_FAC) }
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{% endif %}
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{% if params.MINIMUM_CRUISE_RATIO %}
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{% set MIN_CRUISE = params.MINIMUM_CRUISE_RATIO|default(0.5)|float %}
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{% endif %}
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{ action_respond_info("MIN_CRUISE %s "%MIN_CRUISE) }
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{% set ACC_TO_DEC = ACC_TO_DECEL_FAC*ACC_WALL %}
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{% set TRAVEL_SPEED = 400 %}
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{% if params.TRAVEL_SPEED %}
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{% set TRAVEL_SPEED = params.TRAVEL_SPEED|default(400)|float * 60 %}
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{ action_respond_info("travel_speed %s/60 "%TRAVEL_SPEED) }
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{% endif %}
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{% set MAX_VOLUMETRIC = 20 %}
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{% if params.MAX_VOLUMETRIC %}
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{ action_respond_info("filament_max_volumetric_speed %s "%params.MAX_VOLUMETRIC) }
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{% set MAX_VOLUMETRIC = params.MAX_VOLUMETRIC|default(20)|float %}
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{% endif %}
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{% set low_speed = 51*MAX_VOLUMETRIC %}
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{ action_respond_info("low_speed %f "%low_speed) }
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{% set high_speed = 537*MAX_VOLUMETRIC %}
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{ action_respond_info("high_speed %f "%high_speed) }
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# volum=[filament_max_volumetric_speed]
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# travel=[travel_speed] [accel_to_decel_factor] acc=[outer_wall_acceleration] temper=[first_layer_temperature]
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G90
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G21
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M83
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M109 S{NOZZLE_TEMP}
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G1 E4
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SET_PRESSURE_ADVANCE ADVANCE=0.04; Override pressure advance value
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SET_VELOCITY_LIMIT ACCEL={ACC_WALL} ACCEL_TO_DECEL={ACC_TO_DEC}
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SET_VELOCITY_LIMIT ACCEL={ACC_WALL} MINIMUM_CRUISE_RATIO={MIN_CRUISE}
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SET_VELOCITY_LIMIT SQUARE_CORNER_VELOCITY={SQUARE_CORNER_SPEED}
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SET_STEPPER_ENABLE STEPPER=stepper_x ENABLE=1
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SET_STEPPER_ENABLE STEPPER=stepper_y ENABLE=1
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SET_BDPRESSURE NAME=bd_pa COMMAND=START
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M400
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G4 P1000
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{% set y_step = 38.75 %}
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{% set pressure_ad = 0 %}
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{% set pressure_step = 0.002 %}
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G1 F{high_speed}
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G1 X78 Y{y_step} E9.92204
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M400
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G4 P4000
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G1 F{low_speed}
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G1 X98 Y{y_step} E.92643
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G1 X138 Y{y_step} E1.85285
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G1 X158 Y{y_step} E.92643
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G1 X78 Y{y_step} F{TRAVEL_SPEED}
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######
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M400
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{% for i in range(50) %}
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PA_E STEP={pressure_step} T_SPEED={TRAVEL_SPEED} H_SPEED={high_speed} L_SPEED={low_speed} I={i}
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{% endfor %}
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M400
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SET_BDPRESSURE NAME=bd_pa COMMAND=STOP
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G4 P500
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SET_BDPRESSURE NAME=bd_pa COMMAND=RESET_PROBE
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G4 P500
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SET_KINEMATIC_POSITION X=0 Y=0
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G28 XY
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# Z was not switched off and not moved: it keeps its position. The
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# vendor macro set Z back to z_current, read before any of this ran:
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# a Z hop in G28 XY (Beacon home_z_hop) would then leave Klipper
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# believing the nozzle is lower than it is.
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G4 P200
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#G28 Z
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@@ -0,0 +1,127 @@
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# TEST_SPEED: skipped-steps test for speed and acceleration (common Voron
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# macro, moved here from ~/printer_data/config/Macros/TEST_SPEED.cfg)
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[gcode_macro TEST_SPEED]
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# Home, get position, throw around toolhead, home again.
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# If MCU stepper positions (first line in GET_POSITION) are greater than a full step different (your number of microsteps), then skipping occured.
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# We only measure to a full step to accomodate for endstop variance.
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# Example: TEST_SPEED SPEED=300 ACCEL=5000 ITERATIONS=10, ZHEIGHT=20
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description: Test for max speed and acceleration parameters for the printer. Procedure: Home -> ReadPositionFromMCU -> MovesToolhead@Vel&Accel -> Home -> ReadPositionfromMCU
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gcode:
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# Speed
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{% set speed = params.SPEED|default(printer.configfile.settings.printer.max_velocity)|int %}
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# Iterations
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{% set iterations = params.ITERATIONS|default(5)|int %}
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# Acceleration
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{% set accel = params.ACCEL|default(printer.configfile.settings.printer.max_accel)|int %}
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# Minimum Cruise Ratio
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{% set min_cruise_ratio = params.MIN_CRUISE_RATIO|default(0.5)|float %}
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# Bounding inset for large pattern (helps prevent slamming the toolhead into the sides after small skips, and helps to account for machines with imperfectly set dimensions)
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{% set bound = params.BOUND|default(20)|int %}
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{% set zHeight = params.ZHEIGHT|default(20)|int %}
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# Size for small pattern box
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{% set smallpatternsize = SMALLPATTERNSIZE|default(20)|int %}
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# Large pattern
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# Max positions, inset by BOUND
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{% set x_min = printer.toolhead.axis_minimum.x + bound %}
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{% set x_max = printer.toolhead.axis_maximum.x - bound %}
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{% set y_min = printer.toolhead.axis_minimum.y + bound %}
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{% set y_max = printer.toolhead.axis_maximum.y - bound %}
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# Small pattern at center
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# Find X/Y center point
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{% set x_center = (printer.toolhead.axis_minimum.x|float + printer.toolhead.axis_maximum.x|float ) / 2 %}
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{% set y_center = (printer.toolhead.axis_minimum.y|float + printer.toolhead.axis_maximum.y|float ) / 2 %}
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# Set small pattern box around center point
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{% set x_center_min = x_center - (smallpatternsize/2) %}
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{% set x_center_max = x_center + (smallpatternsize/2) %}
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{% set y_center_min = y_center - (smallpatternsize/2) %}
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{% set y_center_max = y_center + (smallpatternsize/2) %}
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# Save current gcode state (absolute/relative, etc)
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SAVE_GCODE_STATE NAME=TEST_SPEED
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# Output parameters to g-code terminal
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{ action_respond_info("TEST_SPEED: starting %d iterations at speed %d, accel %d" % (iterations, speed, accel)) }
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# Home and get position for comparison later:
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M400 # Finish moves - https://github.com/AndrewEllis93/Print-Tuning-Guide/issues/66
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G28
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# QGL if not already QGLd (only if QGL section exists in config)
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{% if printer.configfile.settings.quad_gantry_level %}
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{% if printer.quad_gantry_level.applied == False %}
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QUAD_GANTRY_LEVEL
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G28 Z
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{% endif %}
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{% endif %}
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# Move 50mm away from max position and home again (to help with hall effect endstop accuracy - https://github.com/AndrewEllis93/Print-Tuning-Guide/issues/24)
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G90
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G1 X{printer.toolhead.axis_maximum.x-50} Y{printer.toolhead.axis_maximum.y-50} F{30*60}
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M400 # Finish moves - https://github.com/AndrewEllis93/Print-Tuning-Guide/issues/66
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G28 X Y
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G0 X{printer.toolhead.axis_maximum.x-1} Y{printer.toolhead.axis_maximum.y-1} F{30*60}
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G4 P1000
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GET_POSITION
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# Go to starting position
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G0 X{x_min} Y{y_min} Z{zHeight + 10} F{speed*60}
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# Set new limits
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{% if printer.configfile.settings.printer.minimum_cruise_ratio is defined %}
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SET_VELOCITY_LIMIT VELOCITY={speed} ACCEL={accel} MINIMUM_CRUISE_RATIO={min_cruise_ratio}
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{% else %}
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SET_VELOCITY_LIMIT VELOCITY={speed} ACCEL={accel} ACCEL_TO_DECEL={accel / 2}
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{% endif %}
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||||
|
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{% for i in range(iterations) %}
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# Large pattern diagonals
|
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G0 X{x_min} Y{y_min} F{speed*60}
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G0 X{x_max} Y{y_max} F{speed*60}
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G0 X{x_min} Y{y_min} F{speed*60}
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G0 X{x_max} Y{y_min} F{speed*60}
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G0 X{x_min} Y{y_max} F{speed*60}
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G0 X{x_max} Y{y_min} F{speed*60}
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|
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# Large pattern box
|
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G0 X{x_min} Y{y_min} F{speed*60}
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G0 X{x_min} Y{y_max} F{speed*60}
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G0 X{x_max} Y{y_max} F{speed*60}
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G0 X{x_max} Y{y_min} F{speed*60}
|
||||
|
||||
# Small pattern diagonals
|
||||
G0 X{x_center_min} Y{y_center_min} F{speed*60}
|
||||
G0 X{x_center_max} Y{y_center_max} F{speed*60}
|
||||
G0 X{x_center_min} Y{y_center_min} F{speed*60}
|
||||
G0 X{x_center_max} Y{y_center_min} F{speed*60}
|
||||
G0 X{x_center_min} Y{y_center_max} F{speed*60}
|
||||
G0 X{x_center_max} Y{y_center_min} F{speed*60}
|
||||
|
||||
# Small pattern box
|
||||
G0 X{x_center_min} Y{y_center_min} F{speed*60}
|
||||
G0 X{x_center_min} Y{y_center_max} F{speed*60}
|
||||
G0 X{x_center_max} Y{y_center_max} F{speed*60}
|
||||
G0 X{x_center_max} Y{y_center_min} F{speed*60}
|
||||
{% endfor %}
|
||||
|
||||
# Restore max speed/accel/accel_to_decel to their configured values
|
||||
{% if printer.configfile.settings.printer.minimum_cruise_ratio is defined %}
|
||||
SET_VELOCITY_LIMIT VELOCITY={printer.configfile.settings.printer.max_velocity} ACCEL={printer.configfile.settings.printer.max_accel} MINIMUM_CRUISE_RATIO={printer.configfile.settings.printer.minimum_cruise_ratio}
|
||||
{% else %}
|
||||
SET_VELOCITY_LIMIT VELOCITY={printer.configfile.settings.printer.max_velocity} ACCEL={printer.configfile.settings.printer.max_accel} ACCEL_TO_DECEL={printer.configfile.settings.printer.max_accel_to_decel}
|
||||
{% endif %}
|
||||
|
||||
# Re-home and get position again for comparison:
|
||||
M400 # Finish moves - https://github.com/AndrewEllis93/Print-Tuning-Guide/issues/66
|
||||
G28 # This is a full G28 to fix an issue with CoreXZ - https://github.com/AndrewEllis93/Print-Tuning-Guide/issues/12
|
||||
# Go to XY home positions (in case your homing override leaves it elsewhere)
|
||||
G90
|
||||
G0 X{printer.toolhead.axis_maximum.x-1} Y{printer.toolhead.axis_maximum.y-1} F{30*60}
|
||||
G4 P1000
|
||||
GET_POSITION
|
||||
|
||||
# Restore previous gcode state (absolute/relative, etc)
|
||||
RESTORE_GCODE_STATE NAME=TEST_SPEED
|
||||
Reference in new issue
Block a user