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208
config/printer-creality-cr10-smart-cr-fdm-v2.5.s1.cfg
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config/printer-creality-cr10-smart-cr-fdm-v2.5.s1.cfg
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# This file contains pin mappings for the Creality CR-10 Smart
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# with a CR-FDM-v2.5.S1 -100 mainboard (STM32F103RET6).
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#
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# NOTE: This configuration was created because the existing CR-10 Smart
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# examples in config/printer-creality-cr10-smart-*.cfg did not work with
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# this specific CR-FDM-v2.5.S1 mainboard variant. This config is based on
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# reverse-engineered pin analysis and confirmed working configuration.
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#
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# Hardware architecture:
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# - Main board: STM32F103RET6 microcontroller
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# - Secondary strain gauge board: STM32F030F4P6 + NX711 load cell ADC
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# Connectors: 2x7 pin (14-pin) and 2x8 pin (16-pin) headers to main board
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# Communicates with main board via I2C/UART for strain gauge data
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# - This configuration uses physical Z endstop instead of strain gauge probe
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# to ensure reliable operation
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# To use this config, during "make menuconfig" select the STM32F103
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# with a "64KiB bootloader" and serial (on USART1 PA10/PA9) communication.
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# Flash this firmware by copying "out/klipper.bin" to a SD card and
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# turning the printer on with the card inserted. The firmware filename
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# must end in ".bin" and must not match the last filename that was flashed.
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# See docs/Config_Reference.md for a description of parameters.
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[stepper_x]
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step_pin: PB8
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dir_pin: !PB7
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enable_pin: !PC3
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rotation_distance: 40
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microsteps: 16
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endstop_pin: PC4
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position_min: -5
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position_endstop: -5
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position_max: 305
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homing_speed: 50
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[stepper_y]
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step_pin: PB6
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dir_pin: PB5
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enable_pin: !PC3
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rotation_distance: 40
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microsteps: 16
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endstop_pin: PC5
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position_min: -2
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position_endstop: -2
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position_max: 302
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homing_speed: 50
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[stepper_z]
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step_pin: PB4
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dir_pin: !PB3
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enable_pin: !PC3
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rotation_distance: 8
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microsteps: 16
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endstop_pin: !PB2
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position_endstop: 0
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position_min: -3
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position_max: 400
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homing_speed: 4
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second_homing_speed: 1
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homing_retract_dist: 2.0
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[extruder]
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step_pin: PC2
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dir_pin: PB9
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enable_pin: !PC3
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rotation_distance: 22.0115
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microsteps: 16
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nozzle_diameter: 0.400
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filament_diameter: 1.750
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heater_pin: PB14
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sensor_type: EPCOS 100K B57560G104F
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sensor_pin: PB1
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control: pid
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pid_Kp: 22.865
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pid_Ki: 1.292
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pid_Kd: 101.178
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min_temp: 0
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max_temp: 300
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[heater_bed]
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heater_pin: PB13
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sensor_type: EPCOS 100K B57560G104F
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sensor_pin: PB0
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control: pid
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pid_Kp: 72.49
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pid_Ki: 0.844
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pid_Kd: 1542.189
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min_temp: 0
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max_temp: 120
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[fan]
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pin: PB15
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kick_start_time: 0.5
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[mcu]
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serial: /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0
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restart_method: command
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[printer]
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kinematics: cartesian
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max_velocity: 500
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max_accel: 4000
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square_corner_velocity: 5.0
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max_z_velocity: 10
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max_z_accel: 1000
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# Filament runout sensor
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[filament_switch_sensor runout_sensor]
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pause_on_runout: True
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switch_pin: ^!PA7
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# Power control - turn off printer with M81
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[output_pin power]
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pin: PA0
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value: 1
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shutdown_value: 1
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# Case lighting
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[output_pin lights]
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pin: PC13
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value: 1
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# Board temperature sensor
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[temperature_sensor Board_MCU]
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sensor_type: temperature_mcu
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min_temp: 0
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max_temp: 100
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# Enable force moves for calibration
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[force_move]
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enable_force_move: True
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# Secondary strain gauge board details:
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# - MCU: STM32F030F4P6 with NX711 load cell ADC chip
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# - Main board interface: 2x7 pin (14-pin) + 2x8 pin (16-pin) connectors
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# - Pin 1 identification: Square pad on PCB, remaining pins are circular
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#
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# CONFIRMED PIN ASSIGNMENTS (STM32F103RET6 main board):
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# Motors: PB3,PB4 (Z), PB5,PB6 (Y), PB7,PB8 (X), PB9,PC2 (E), PC3 (Enable)
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# Endstops: PC4 (X), PC5 (Y), PB2 (Z-physical)
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# Heaters: PB13 (Bed), PB14 (Hotend)
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# Thermistors: PB0 (Bed), PB1 (Hotend)
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# Fans/Outputs: PB15 (Part fan), PC13 (Lights), PA0 (Power)
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# Sensors: PA7 (Filament sensor)
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# Communication: PA9,PA10 (USART1 to host)
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#
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# CONNECTOR 1 - 2x8 (16-pin) - HOTEND & COOLING:
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# Pin 1: HT+, Pin 2: HT+, Pin 3: HT-, Pin 4: TH (Thermistor)
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# Pin 5: Fan/LED VCC, Pin 6: Layer Fan Signal, Pin 7: STM Pin 10, Pin 8: LED Signal
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# Pin 9-10: R11/R10 (TBD), Pin 11: VCC, Pin 12: GND, Pin 13: TH, Pin 14-16: HT-/HT+
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#
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# CONNECTOR 2 - 2x7 (14-pin) - MOTORS & ENDSTOPS:
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# Pin 1-2: Xd/Xb (X Motor), Pin 3-4: Ed/Eb (Extruder), Pin 5-6: X-/FilSensor
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# Pin 7-8: GND, Pin 9: FilRunout, Pin 10: X-, Pin 11-12: Ea/Ec, Pin 13-14: Xa/Xc
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#
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# Probe pins (UNCONFIRMED): PA4 (probe signal?), PA5 (tare control?)
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# WARNING: Pin assignments are speculative based on available pins only
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# Strain gauge probe communication protocol completely unknown
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# PA4/PA5 chosen because they are freed when probe is disabled, but actual
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# probe pins may be different or require secondary board firmware modifications
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# Communication with main board via dedicated pins (not USART1)
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#
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# STM32F103RET6 pins NOT identified in this configuration:
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# Available for future investigation or custom modifications:
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# PA1, PA2, PA3, PA6, PA8, PA11, PA12, PA15
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# PC0, PC1, PC6, PC7, PC8, PC9, PC10, PC11, PC12, PC14, PC15
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# PD0, PD1 (if available on this package)
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#
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# Notes for developers:
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# - PA9/PA10: Reserved for USART1 (host communication)
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# - PA4/PA5: Suspected probe/tare pins (unconfirmed)
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# - Some pins may be connected to secondary board connectors
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# - Verify pin availability before use in custom configurations
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# Optional: Probe configuration (commented out for Z endstop operation)
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# EXPERIMENTAL: Strain gauge probe functionality completely unverified
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# Pin assignments below are speculative and likely incorrect
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# No successful probe operation achieved - use physical Z endstop for reliability
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# Before attempting probe, comment out the stepper_z endstop_pin above
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# and uncomment the probe section below (expect failures)
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#[probe]
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#pin: ~PA4 # UNCONFIRMED: May not be correct pin
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#z_offset: -0.75
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#samples: 2
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# Optional: Probe tare pin (used with probe configuration above)
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# EXPERIMENTAL: Pin assignment unconfirmed, functionality unknown
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#[output_pin PROBE_TARE_PIN]
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#pin: PA5 # UNCONFIRMED: May not be correct pin
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#value: 0
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# Optional: Safe Z homing (used with probe configuration above)
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#[safe_z_home]
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#home_xy_position: 150,150
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#speed: 80
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#z_hop: 3
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#z_hop_speed: 5
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# Optional: Bed mesh (used with probe configuration above)
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#[bed_mesh]
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#speed: 120
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#horizontal_move_z: 5
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#mesh_min: 10,10
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#mesh_max: 290,290
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#probe_count: 6,6
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