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# This file contains common pin mappings for the BigTreeTech SKR 2.
# To use this config, the firmware should be compiled for the
# STM32F407 with a "32KiB bootloader".
# In newer versions of this board shipped in late 2021 the STM32F429
# is used, if this is the case compile for this with a "32KiB bootloader"
# You will need to check the chip on your board to identify which you have.
#
# The "make flash" command does not work on the SKR 2. Instead,
# after running "make", copy the generated "out/klipper.bin" file to a
# file named "firmware.bin" on an SD card and then restart the SKR 2
# with that SD card.
# See docs/Config_Reference.md for a description of parameters.
# Note: The initial revision of this board has a flaw that can cause
# damage to itself and other boards. Be sure to verify the board is
# not impacted by this flaw before using it.
[stepper_x]
step_pin: PE2
dir_pin: PE1
enable_pin: !PE3
microsteps: 16
rotation_distance: 40
endstop_pin: ^PC1
position_endstop: 0
position_max: 200
homing_speed: 50
[stepper_y]
step_pin: PD5
dir_pin: !PD4
enable_pin: !PD6
microsteps: 16
rotation_distance: 40
endstop_pin: ^PC3
position_endstop: 0
position_max: 200
homing_speed: 50
[stepper_z]
step_pin: PA15
dir_pin: PA8
enable_pin: !PD1
microsteps: 16
rotation_distance: 40
endstop_pin: ^PC0
position_endstop: 0.5
position_max: 200
[extruder]
step_pin: PD15
dir_pin: PD14
enable_pin: !PC7
microsteps: 16
rotation_distance: 33.500
nozzle_diameter: 0.400
filament_diameter: 1.750
heater_pin: PB3
sensor_type: EPCOS 100K B57560G104F
sensor_pin: PA2
control: pid
pid_Kp: 22.2
pid_Ki: 1.08
pid_Kd: 114
min_temp: 0
max_temp: 250
#[extruder1]
#step_pin: PD11
#dir_pin: PD10
#enable_pin: !PD13
#heater_pin: PB4
#sensor_pin: PA3
#...
[heater_bed]
heater_pin: PD7
sensor_type: Generic 3950
sensor_pin: PA1
control: watermark
min_temp: 0
max_temp: 130
[fan]
pin: PB7
#[heater_fan fan1]
#pin: PB6
#[heater_fan fan2]
#pin: PB5
# Due to BTT implementing a Marlin-specific safety feature,
# "anti-reversal stepper protection", this pin needs pulling
# high to pass power to stepper drivers and most FETs
[output_pin motor_power]
pin: PC13
value: 1
[mcu]
serial: /dev/serial/by-id/usb-Klipper_Klipper_firmware_12345-if00
[printer]
kinematics: cartesian
max_velocity: 300
max_accel: 3000
max_z_velocity: 5
max_z_accel: 100
########################################
# EXP1 / EXP2 (display) pins
########################################
[board_pins]
aliases:
# EXP1 header
EXP1_1=PC5, EXP1_3=PB1, EXP1_5=PE10, EXP1_7=PE12, EXP1_9=<GND>,
EXP1_2=PB0, EXP1_4=PE9, EXP1_6=PE11, EXP1_8=PE13, EXP1_10=<5V>,
# EXP2 header
EXP2_1=PA6, EXP2_3=PE7, EXP2_5=PB2, EXP2_7=PC4, EXP2_9=<GND>,
EXP2_2=PA5, EXP2_4=PA4, EXP2_6=PA7, EXP2_8=<RST>, EXP2_10=<NC>
# See the sample-lcd.cfg file for definitions of common LCD displays.
########################################
# TMC2209 configuration
########################################
#[tmc2209 stepper_x]
#uart_pin: PE0
#run_current: 0.800
#diag_pin:
#[tmc2209 stepper_y]
#uart_pin: PD3
#run_current: 0.800
#diag_pin:
#[tmc2209 stepper_z]
#uart_pin: PD0
#run_current: 0.800
#diag_pin:
#[tmc2209 extruder]
#uart_pin: PC6
#run_current: 0.600
#diag_pin:
#[tmc2209 extruder1]
#uart_pin: PD12
#run_current: 0.600
#diag_pin:
########################################
# TMC2130 configuration
########################################
#[tmc2130 stepper_x]
#cs_pin: PE0
#spi_software_miso_pin: PA14
#spi_software_mosi_pin: PE14
#spi_software_sclk_pin: PE15
#run_current: 0.800
#diag1_pin: PC1
#[tmc2130 stepper_y]
#cs_pin: PD3
#spi_software_miso_pin: PA14
#spi_software_mosi_pin: PE14
#spi_software_sclk_pin: PE15
#run_current: 0.800
#diag1_pin: PC3
#[tmc2130 stepper_z]
#cs_pin: PD0
#spi_software_miso_pin: PA14
#spi_software_mosi_pin: PE14
#spi_software_sclk_pin: PE15
#run_current: 0.800
#diag1_pin: PC0
#[tmc2130 extruder]
#cs_pin: PC6
#spi_software_miso_pin: PA14
#spi_software_mosi_pin: PE14
#spi_software_sclk_pin: PE15
#run_current: 0.600
#diag1_pin: PC2
#[tmc2130 extruder1]
#cs_pin: PD12
#spi_software_miso_pin: PA14
#spi_software_mosi_pin: PE14
#spi_software_sclk_pin: PE15
#run_current: 0.600
#stealthchop_threshold: 999999
#diag1_pin: PA0
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