/voronConfigFile

This file contains common pin mappings for the BigTreeTech Octopus V1.

To use this config, the firmware should be compiled for the STM32F446 with a "32KiB bootloader"

Enable "extra low-level configuration options" and select the "12MHz crystal" as clock reference

after running "make", copy the generated "klipper/out/klipper.bin" file to a

file named "firmware.bin" on an SD card and then restart the OctoPus with that SD card.

See docs/Config_Reference.md for a description of parameters.

Voron Design VORON2 250/300/350mm BigTreeTech OctoPus V1 TMC2209 UART config

*** THINGS TO CHANGE/CHECK: ***

MCU paths [mcu] section

Thermistor types [extruder] and [heater_bed] sections - See https://www.klipper3d.org/Config_Reference.html#common-thermistors for common thermistor types

Z Endstop Switch location [safe_z_home] section

Homing end position [gcode_macro G32] section

Z Endstop Switch offset for Z0 [stepper_z] section

Probe points [quad_gantry_level] section

Min & Max gantry corner postions [quad_gantry_level] section

PID tune [extruder] and [heater_bed] sections

Probe pin [probe] section

Fine tune E steps [extruder] section

[mcu]

Obtain definition by "ls -l /dev/serial/by-id/" then unplug to verify

##-------------------------------------------------------------------- serial: /dev/serial/by-id/{REPLACE WITH YOUR SERIAL} restart_method: command ##--------------------------------------------------------------------

[printer] kinematics: corexy max_velocity: 300
max_accel: 3000 #Max 4000 max_z_velocity: 15 #Max 15 for 12V TMC Drivers, can increase for 24V max_z_accel: 350 square_corner_velocity: 5.0

#####################################################################

X/Y Stepper Settings

#####################################################################

B Stepper - Left

Connected to MOTOR_0

Endstop connected to DIAG_0

[stepper_x] step_pin: PF13 dir_pin: !PF12 enable_pin: !PF14 rotation_distance: 40 microsteps: 32 full_steps_per_rotation:200 #set to 400 for 0.9 degree stepper endstop_pin: PG6 position_min: 0 ##--------------------------------------------------------------------

Uncomment below for 250mm build

#position_endstop: 250 #position_max: 250

Uncomment for 300mm build

#position_endstop: 300 #position_max: 300

Uncomment for 350mm build

#position_endstop: 350 #position_max: 350

##-------------------------------------------------------------------- homing_speed: 25 #Max 100 homing_retract_dist: 5 homing_positive_dir: true

Make sure to update below for your relevant driver (2208 or 2209)

[tmc2209 stepper_x] uart_pin: PC4 interpolate: false run_current: 0.8 sense_resistor: 0.110 stealthchop_threshold: 0

A Stepper - Right

Connected to MOTOR_1

Endstop connected to DIAG_1

[stepper_y] step_pin: PG0 dir_pin: !PG1 enable_pin: !PF15 rotation_distance: 40 microsteps: 32 full_steps_per_rotation:200 #set to 400 for 0.9 degree stepper endstop_pin: PG9 position_min: 0 ##--------------------------------------------------------------------

Uncomment for 250mm build

#position_endstop: 250 #position_max: 250

Uncomment for 300mm build

#position_endstop: 300 #position_max: 300

Uncomment for 350mm build

#position_endstop: 350 #position_max: 350

##-------------------------------------------------------------------- homing_speed: 25 #Max 100 homing_retract_dist: 5 homing_positive_dir: true

Make sure to update below for your relevant driver (2208 or 2209)

[tmc2209 stepper_y] uart_pin: PD11 interpolate: false run_current: 0.8 sense_resistor: 0.110 stealthchop_threshold: 0

#####################################################################

Z Stepper Settings

#####################################################################

Z0 Stepper - Front Left

Connected to MOTOR_2

Endstop connected to DIAG_2

[stepper_z] step_pin: PF11 dir_pin: !PG3 enable_pin: !PG5 rotation_distance: 40 gear_ratio: 80:16 microsteps: 32 endstop_pin: PG10

Z-position of nozzle (in mm) to z-endstop trigger point relative to print surface (Z0)

(+) value = endstop above Z0, (-) value = endstop below

Increasing position_endstop brings nozzle closer to the bed

After you run Z_ENDSTOP_CALIBRATE, position_endstop will be stored at the very end of your config

position_endstop: -0.5 ##--------------------------------------------------------------------

Uncomment below for 250mm build

#position_max: 230

Uncomment below for 300mm build

#position_max: 280

Uncomment below for 350mm build

#position_max: 330

##-------------------------------------------------------------------- position_min: -5 homing_speed: 8 second_homing_speed: 3 homing_retract_dist: 3

Make sure to update below for your relevant driver (2208 or 2209)

[tmc2209 stepper_z] uart_pin: PC6 interpolate: false run_current: 0.8 sense_resistor: 0.110 stealthchop_threshold: 0

Z1 Stepper - Rear Left

Connected to MOTOR_3

[stepper_z1] step_pin: PG4 dir_pin: PC1 enable_pin: !PA0 rotation_distance: 40 gear_ratio: 80:16 microsteps: 32

Make sure to update below for your relevant driver (2208 or 2209)

[tmc2209 stepper_z1] uart_pin: PC7 interpolate: false run_current: 0.8 sense_resistor: 0.110 stealthchop_threshold: 0

Z2 Stepper - Rear Right

Connected to MOTOR_4

[stepper_z2] step_pin: PF9 dir_pin: !PF10 enable_pin: !PG2 rotation_distance: 40 gear_ratio: 80:16 microsteps: 32

Make sure to update below for your relevant driver (2208 or 2209)

[tmc2209 stepper_z2] uart_pin: PF2 interpolate: false run_current: 0.8 sense_resistor: 0.110 stealthchop_threshold: 0

Z3 Stepper - Front Right

Connected to MOTOR_5

[stepper_z3] step_pin: PC13 dir_pin: PF0 enable_pin: !PF1 rotation_distance: 40 gear_ratio: 80:16 microsteps: 32

Make sure to update below for your relevant driver (2208 or 2209)

[tmc2209 stepper_z3] uart_pin: PE4 interpolate: false run_current: 0.8 sense_resistor: 0.110 stealthchop_threshold: 0

#####################################################################

Extruder

#####################################################################

Connected to MOTOR_6

Heater - HE0

Thermistor - T0

[extruder] step_pin: PE2 dir_pin: PE3 enable_pin: !PD4

Update value below when you perform extruder calibration

If you ask for 100mm of filament, but in reality it is 98mm:

rotation_distance = <previous_rotation_distance> * <actual_extrude_distance> / 100

22.6789511 is a good starting point

rotation_distance: 22.6789511 #Bondtech 5mm Drive Gears

Update Gear Ratio depending on your Extruder Type

Use 50:17 for Afterburner/Clockwork (BMG Gear Ratio)

Use 80:20 for M4, M3.1

gear_ratio: 50:17 #BMG Gear Ratio microsteps: 32 full_steps_per_rotation: 200 #200 for 1.8 degree, 400 for 0.9 degree nozzle_diameter: 0.400 filament_diameter: 1.75 heater_pin: PA2

Check what thermistor type you have. See https://www.klipper3d.org/Config_Reference.html#common-thermistors for common thermistor types.

Use "Generic 3950" for NTC 100k 3950 thermistors

#sensor_type: sensor_pin: PF4 min_temp: 10 max_temp: 270 max_power: 1.0 min_extrude_temp: 170 control = pid pid_kp = 26.213 pid_ki = 1.304 pid_kd = 131.721

Try to keep pressure_advance below 1.0

#pressure_advance: 0.05

Default is 0.040, leave stock

#pressure_advance_smooth_time: 0.040

E0 on MOTOR6

Make sure to update below for your relevant driver (2208 or 2209)

[tmc2209 extruder] uart_pin: PE1 interpolate: false run_current: 0.5 sense_resistor: 0.110 stealthchop_threshold: 0

#####################################################################

Bed Heater

#####################################################################

[heater_bed]

SSR Pin - HE1

Thermistor - TB

Uncomment the following line if using the default SSR wiring from the docs site

#heater_pin: PA3

Other wiring guides may use BED_OUT to control the SSR. Uncomment the following line for those cases

#heater_pin: PA1

Check what thermistor type you have. See https://www.klipper3d.org/Config_Reference.html#common-thermistors for common thermistor types.

Use "Generic 3950" for Keenovo heaters

#sensor_type: sensor_pin: PF3

Adjust Max Power so your heater doesn't warp your bed. Rule of thumb is 0.4 watts / cm^2 .

max_power: 0.6 min_temp: 0 max_temp: 120 control: pid pid_kp: 58.437 pid_ki: 2.347 pid_kd: 363.769

#####################################################################

Probe

#####################################################################

[probe]

Inductive Probe

This probe is not used for Z height, only Quad Gantry Leveling

Select the probe port by type:

For the PROBE port. Will not work with Diode. May need pull-up resistor from signal to 24V.

#pin: ~!PB7

For the DIAG_7 port. NEEDS BAT85 DIODE! Change to !PG15 if probe is NO.

#pin: PG15

For Octopus Pro PROBE port; NPN and PNP proximity switch types can be set by jumper

#pin: ~!PC5

#--------------------------------------------------------------------

x_offset: 0 y_offset: 25.0 z_offset: 0 speed: 10.0 samples: 3 samples_result: median sample_retract_dist: 3.0 samples_tolerance: 0.006 samples_tolerance_retries: 3

#####################################################################

Fan Control

#####################################################################

[fan]

Print Cooling Fan - FAN0

pin: PA8 kick_start_time: 0.5

Depending on your fan, you may need to increase this value

if your fan will not start. Can change cycle_time (increase)

if your fan is not able to slow down effectively

off_below: 0.10

[heater_fan hotend_fan]

Hotend Fan - FAN1

pin: PE5 max_power: 1.0 kick_start_time: 0.5 heater: extruder heater_temp: 50.0

If you are experiencing back flow, you can reduce fan_speed

#fan_speed: 1.0

[controller_fan controller_fan]

Controller fan - FAN2

pin: PD12 kick_start_time: 0.5 heater: heater_bed

#[heater_fan exhaust_fan]

Exhaust fan - FAN3

#pin: PD13 #max_power: 1.0 #shutdown_speed: 0.0 #kick_start_time: 5.0 #heater: heater_bed #heater_temp: 60 #fan_speed: 1.0

#####################################################################

LED Control

#####################################################################

Chamber Lighting - HE2 Connector (Optional)

#[output_pin caselight] #pin: PB10 #pwm:true #shutdown_value: 0 #value:1 #cycle_time: 0.01

#####################################################################

Homing and Gantry Adjustment Routines

#####################################################################

[idle_timeout] timeout: 1800

[safe_z_home]

XY Location of the Z Endstop Switch

Update -10,-10 to the XY coordinates of your endstop pin

(such as 157,305) after going through Z Endstop Pin

Location Definition step.

home_xy_position:-10,-10 speed:100 z_hop:10

[quad_gantry_level]

Use QUAD_GANTRY_LEVEL to level a gantry.

Min & Max gantry corners - measure from nozzle at MIN (0,0) and

MAX (250, 250), (300,300), or (350,350) depending on your printer size

to respective belt positions

#--------------------------------------------------------------------

Gantry Corners for 250mm Build

Uncomment for 250mm build

#gantry_corners:

-60,-10

310, 320

Probe points

#points:

50,25

50,175

200,175

200,25

Gantry Corners for 300mm Build

Uncomment for 300mm build

#gantry_corners:

-60,-10

360,370

Probe points

#points:

50,25

50,225

250,225

250,25

Gantry Corners for 350mm Build

Uncomment for 350mm build

#gantry_corners:

-60,-10

410,420

Probe points

#points:

50,25

50,275

300,275

300,25

#-------------------------------------------------------------------- speed: 100 horizontal_move_z: 10 retries: 5 retry_tolerance: 0.0075 max_adjust: 10

########################################

EXP1 / EXP2 (display) pins

########################################

[board_pins] aliases: # EXP1 header EXP1_1=PE8, EXP1_2=PE7, EXP1_3=PE9, EXP1_4=PE10, EXP1_5=PE12, EXP1_6=PE13, # Slot in the socket on this side EXP1_7=PE14, EXP1_8=PE15, EXP1_9=, EXP1_10=<5V>,

# EXP2 header
EXP2_1=PA6, EXP2_2=PA5,
EXP2_3=PB1, EXP2_4=PA4,
EXP2_5=PB2, EXP2_6=PA7,      # Slot in the socket on this side
EXP2_7=PC15, EXP2_8=<RST>,
EXP2_9=<GND>, EXP2_10=<5V>

#####################################################################

Displays

#####################################################################

Uncomment the display that you have

#--------------------------------------------------------------------

#[display]

RepRapDiscount 128x64 Full Graphic Smart Controller

#lcd_type: st7920 #cs_pin: EXP1_4 #sclk_pin: EXP1_5 #sid_pin: EXP1_3 #menu_timeout: 40 #encoder_pins: ^EXP2_5, ^EXP2_3 #click_pin: ^!EXP1_2

#[output_pin beeper] #pin: EXP1_1

#--------------------------------------------------------------------

#[display]

mini12864 LCD Display

#lcd_type: uc1701 #cs_pin: EXP1_3 #a0_pin: EXP1_4 #rst_pin: EXP1_5 #encoder_pins: ^EXP2_5, ^EXP2_3 #click_pin: ^!EXP1_2 #contrast: 63 #spi_software_miso_pin: EXP2_1 #spi_software_mosi_pin: EXP2_6 #spi_software_sclk_pin: EXP2_2

#[neopixel btt_mini12864]

To control Neopixel RGB in mini12864 display

#pin: EXP1_6 #chain_count: 3 #initial_RED: 0.1 #initial_GREEN: 0.5 #initial_BLUE: 0.0 #color_order: RGB

Set RGB values on boot up for each Neopixel.

Index 1 = display, Index 2 and 3 = Knob

#[delayed_gcode setdisplayneopixel] #initial_duration: 1 #gcode:

SET_LED LED=btt_mini12864 RED=1 GREEN=1 BLUE=1 INDEX=1 TRANSMIT=0

SET_LED LED=btt_mini12864 RED=1 GREEN=0 BLUE=0 INDEX=2 TRANSMIT=0

SET_LED LED=btt_mini12864 RED=1 GREEN=0 BLUE=0 INDEX=3

#--------------------------------------------------------------------

#####################################################################

Macros

#####################################################################

[gcode_macro G32] gcode: SAVE_GCODE_STATE NAME=STATE_G32 G90 G28 QUAD_GANTRY_LEVEL G28 ## Uncomment for for your size printer: #-------------------------------------------------------------------- ## Uncomment for 250mm build #G0 X125 Y125 Z30 F3600

##  Uncomment for 300 build
#G0 X150 Y150 Z30 F3600

##  Uncomment for 350mm build
#G0 X175 Y175 Z30 F3600
#--------------------------------------------------------------------
RESTORE_GCODE_STATE NAME=STATE_G32

[gcode_macro PRINT_START]

Use PRINT_START for the slicer starting script - please customise for your slicer of choice

gcode: G32 ; home all axes G90 ; absolute positioning G1 Z20 F3000 ; move nozzle away from bed

[gcode_macro PRINT_END]

Use PRINT_END for the slicer ending script - please customise for your slicer of choice

gcode: # safe anti-stringing move coords {% set th = printer.toolhead %} {% set x_safe = th.position.x + 20 * (1 if th.axis_maximum.x - th.position.x > 20 else -1) %} {% set y_safe = th.position.y + 20 * (1 if th.axis_maximum.y - th.position.y > 20 else -1) %} {% set z_safe = [th.position.z + 2, th.axis_maximum.z]|min %}

SAVE_GCODE_STATE NAME=STATE_PRINT_END

M400                           ; wait for buffer to clear
G92 E0                         ; zero the extruder
G1 E-5.0 F1800                 ; retract filament

TURN_OFF_HEATERS

G90                                      ; absolute positioning
G0 X{x_safe} Y{y_safe} Z{z_safe} F20000  ; move nozzle to remove stringing
G0 X{th.axis_maximum.x//2} Y{th.axis_maximum.y - 2} F3600  ; park nozzle at rear
M107                                     ; turn off fan

BED_MESH_CLEAR
RESTORE_GCODE_STATE NAME=STATE_PRINT_END