config: Config for Monoprice Select Mini v1 (#5243)

Signed-off-by: Jace Wiseman <jwiseman@gmail.com>

config/printer-monoprice-select-mini-v1-2016.cfg

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+# This file contains common pin mappings for the Monoprice
+# Select Mini v1. To use this config, the firmware should be compiled for the
+# STM32F103 microcontroller with an 8MHz crystal and USB for communication.
+#
+# Use the following settings in make menuconfig:
+#
+#  * Enable extra low-level configuration options: Enable
+#  * Microcontroller architecture: STM32
+#  * Processor: STM32F103
+#  * Bootloader offset: 8KiB bootloader
+#  * Clockspeed: 8 Mhz crystal
+#  * Communication interface: USB (on PA11/PA12)
+#  * GPIO pins to set: PA8, PB1, PB11, PB9
+#
+#  IMPORTANT: A bootloader offset of 8KiB will preserver the stock bootloader
+#  and allows easy flashing via SDCard without additional hardware.
+#
+#  IMPORTANT: Setting PB9 in the the GPIO pins to set at micro-controller
+#  startup is required for the USB port to function.
+#
+#  PA8, PB1, PB11 in the GPIO pins deactivates the steppers until klippy
+#  takes over.
+#
+# Note 1: Prior to flashing klipper, if possible, make a copy of the default
+# or current configuration values for the printer.  Running an M503 command
+# will output these values.
+#
+# Note 2: Klipper can be flashed by copying out/klipper.bin to the MPSMv1's
+# SDCard, renaming it to update.bin, and creating an empty file on the SD card
+# named fcupdate.flg.  Insert the SDCard while the printer is off it on.  After
+# klipper is flashed, remove the SDCard and delete update.bin and fcupdate.flg
+# to prevent the firmware from flashing on every subsequent power-on.
+# Returning to stock firmware without a programmer is possible as long as the
+# bootloader is not overwritten.
+#
+# Note 3: Stepper directions are not consistent in MSPMv1 printers. Check the
+# directions of the printer with M503 in the stock firmware and adjust the
+# dir_pins below accordingly.
+#
+# Note 4: Klipper currently does not support the LCD-UI of this
+# printer, which is connected via serial interface and controlled by an
+# esp8266 using a custom protocol.
+#
+# See ../docs/Config_Reference.md file for a description of all parameters.
+
+[stepper_x]
+homing_speed: 15
+step_pin: PB14
+dir_pin: !PB15 # modify stepper direction if necessary
+enable_pin: !PA8
+# rotation_distance varies in the printer model. Check the correct
+# step-rate of the Select Mini in the original firmware (with M503)
+# and calculate the appropriate value for rotation_distance. This has
+# to be done for all axes.
+microsteps: 16
+rotation_distance: 34.510 # 17 teeth on pulley; MXL belt (2.03 pitch)
+endstop_pin: ^!PB4
+position_endstop: 0
+position_max: 120 # default bed width
+position_min: 0
+
+[stepper_y]
+homing_speed: 15
+step_pin: PB12
+dir_pin: PB13 # modify stepper direction if necessary
+enable_pin: !PA8
+microsteps: 16
+rotation_distance: 34.510 # check comment in [stepper_x] section
+endstop_pin: ^!PA15
+position_endstop: 0
+position_max: 120 # default bed length
+position_min: 0
+
+[stepper_z]
+homing_speed: 10
+step_pin: PB10
+dir_pin: PB2 # modify stepper direction if necessary
+enable_pin: !PB11
+microsteps: 16
+full_steps_per_rotation: 48
+rotation_distance: 0.7 # M4 rod.  check comment in [stepper_x] section
+endstop_pin: ^!PB5
+position_endstop: 0.5
+position_max: 120 # default height
+
+[extruder]
+# extruder stepper
+step_pin: PB0
+dir_pin: !PC13 # modify stepper direction if necessary
+enable_pin: !PB1
+microsteps: 16
+rotation_distance: 32.990 # 97 steps/mm. check comment in [stepper_x] section
+nozzle_diameter: 0.400
+filament_diameter: 1.750
+# heater
+heater_pin: PB6
+sensor_type: EPCOS 100K B57560G104F
+sensor_pin: PA0
+control: pid
+pid_kp: 20.00
+pid_ki: 0.02
+pid_kd: 250.00
+# temperatures
+min_temp: 0
+max_temp: 250
+max_extrude_only_distance: 425 #for (un-)loading
+
+[heater_bed]
+heater_pin: PB7
+sensor_type: EPCOS 100K B57560G104F
+sensor_pin: PA1
+control: pid
+pid_kp: 70.00
+pid_ki: 1.50
+pid_kd: 812.00
+min_temp: 0
+max_temp: 85
+
+# Print cooling fan
+[heater_fan hotend_fan]
+pin: PB8
+heater: extruder
+heater_temp: 45.0
+
+[mcu]
+serial: /dev/ttyACM0
+restart_method: command
+
+[printer]
+kinematics: cartesian
+max_velocity: 150
+max_accel: 800
+max_z_velocity: 1.5
+max_z_accel: 20
+
+# Positions for BED_SCREWS_ADJUST levelling with bed screws still accessible
+[bed_screws]
+screw1: 22, 10
+screw2: 22, 90
+screw3: 98, 90
+screw4: 98, 10