2020-11-26 04:36:09 +03:00
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# This file contains common pin mappings for the 2019 Monoprice
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# Select Mini v2. To use this config, the firmware should be compiled for the
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# STM32F070 microcontroller with an 8MHz crystal and USB for communication
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# (instead of serial).
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#
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# Use the following settings in make menuconfig:
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#
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# * Microcontroller architecture: STM32
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# * Processor: STM32F070
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# * Clockspeed: 8 Mhz
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# * USB communication (instead of serial)
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#
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# IMPORTANT: A bootloader offset of 8KiB will preserver the stock bootloader
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# and allows easy flashing via SDCard without additional hardware.
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#
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# Also make sure to use the following string in the low-level configuration
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# options to set a couple of GPIOs to high when the MCU boots:
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#
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# PA8, PB5, PB1
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#
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# This will deactivate the steppers until klippy takes over.
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#
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# Note 1: You can flash klipper by copying out/klipper.bin to the MPSMv2's
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# SDCard, inserting the SDCard while the printer is off and switching it on.
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# Returning to stock firmware without a programmer is possible, as long as you
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# do not overwrite the bootloader.
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#
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# Note 2: Stepper directions are not consistent in MSPMv2 printers. Check the
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# directions of your device with M503 in the stock firmware and adjust the
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# dir_pins below accordingly.
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#
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# Note 3: Klipper currently does not support the LCD-UI of this
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# printer, which is connected via serial interface and controlled by an
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# esp8266 using a custom protocol. But it is possible to use the original
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# rotary encoder & button with an extra display. An example of how to attach
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# a SSD1306 OLED display is commented out at the bottom.
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#
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# Note 4: Monoprice has made small changes in the series of Select Mini
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# printers without updating the printers version. Please consider adding your
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# boards reversion to the list of compatible motion controllers below or
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# submitting a new config template if significant changes are required.
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#
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# Tested montion controller reversions:
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# * MPSM motion M2-v3.0-170721
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#
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# See ../docs/Config_Reference.md file for a description of all parameters.
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[stepper_x]
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homing_speed: 15
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step_pin: PB14
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dir_pin: !PB15 #modify stepper direction if necessary
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enable_pin: !PA8
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# step_distance varies in the printer model. Check the correct step-rate of
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# your Select Mini in the original firmware (with M503) and calculate the
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# appropriate value for step_distance = 1/steps per unit. This has to be done
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# for all axis.
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# This config contains values for later MSPMv2 printers with 93 steps per mm.
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step_distance: .01075 # 93 steps/mm
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endstop_pin: ^!PB4
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position_endstop: 0
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position_max: 120
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position_min: -1
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[stepper_y]
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homing_speed: 15
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step_pin: PB12
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dir_pin: PB13 #modify stepper direction if necessary
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enable_pin: !PA8
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step_distance: .010753 # 93 steps/mm. check comment in [stepper_x] section
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endstop_pin: ^!PA15
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position_endstop: 0
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position_max: 120
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position_min: -1
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[stepper_z]
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homing_speed: 10
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step_pin: PB10
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dir_pin: PB2 #modify stepper direction if necessary
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enable_pin: !PB11
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step_distance: 0.000911 # 1097.5 steps/mm. check comment in [stepper_x] section
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endstop_pin: ^!PB5
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position_endstop: 0.5
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position_max: 120
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[extruder]
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# extruder stepper
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step_pin: PB0
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dir_pin: !PC13 #modify stepper direction if necessary
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enable_pin: !PB1
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step_distance: 0.010301 # 97 steps/mm. check comment in [stepper_x] section
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nozzle_diameter: 0.400
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filament_diameter: 1.750
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# heater
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heater_pin: PB6
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sensor_type: EPCOS 100K B57560G104F
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sensor_pin: PA0
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# pid @ Vt 180°C on stock hardware
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2020-11-26 04:41:39 +03:00
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control: pid
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pid_kp: 21.00
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pid_ki: 0.75
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pid_kd: 125.00
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2020-11-26 04:36:09 +03:00
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# temperatures
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min_temp: 0
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max_temp: 260
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max_extrude_only_distance: 425 #for (un-)loading
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[heater_bed]
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heater_pin: PB7
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sensor_type: EPCOS 100K B57560G104F
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sensor_pin: PA1
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# pid @ Vt 50°C on stock hardware
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2020-11-26 04:41:39 +03:00
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control: pid
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pid_kp: 70.00
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pid_ki: 1.50
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pid_kd: 812.00
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2020-11-26 04:36:09 +03:00
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min_temp: 0
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max_temp: 100
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# Print cooling fan
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[heater_fan fan]
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pin: PB8
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# chassis fan
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[controller_fan chassis_fan]
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pin: PB3
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off_below: 0.25
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[mcu]
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serial: /dev/ttyACM0
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restart_method: command
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[printer]
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kinematics: cartesian
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max_velocity: 150
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max_accel: 800
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max_z_velocity: 1.5
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max_z_accel: 20
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# Positions for BED_SCREWS_ADJUST levelling with bed screws still accessible
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[bed_screws]
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screw1: 22,10
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screw2: 22,90
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screw3: 98,90
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screw4: 98,10
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######################################################################
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# Optional: i2c ssd1306 OLED-display controlled by raspi host_mcu
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######################################################################
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#[mcu host]
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#serial: /tmp/klipper_host_mcu
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#
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#[display]
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#lcd_type: ssd1306
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#i2c_mcu: host
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#i2c_bus: i2c.1
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#encoder_pins: ^host:gpiochip0/gpio7, ^host:gpiochip0/gpio8
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#click_pin: !host:gpiochip0/gpio4
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######################################################################
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# Optional: Touch sensor via unpopulated header
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######################################################################
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# Later motion controllers have a unused socket that can be used to
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# attach a probe or other additional hardware.
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# You will need a JST PH 4-pin connector. Pin order (from STM32 to
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# SDCard-slot) is: GND-PA2-PA3-3.3V
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#
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# Older BLtouch sensors and knock offs require 5V supply voltage.
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# Since the motion controller does not supply 5V you will need to add
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# an appropriate power source. easiest is probably soldering a 5V step
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# down converter to the 12V supply pins. When running the touch sensor
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# on 5V you will also need reduce the voltage on the sensor_pin with a
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# voltage divider or level shifter. The control_pin can be attached to
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# a 5V touch sensor directly.
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#[bltouch]
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#control_pin: PA2
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#sensor_pin: PA3
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#z_offset: 1
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