added draft for LDO_Nighthawk-SB toolhead MCU (#478)

config/mcu_definitions/toolhead/LDO_Nighthawk-SB_v1.0.cfg

@@ -0,0 +1,20 @@
+[board_pins toolhead_manufacturer]
+mcu: toolhead
+aliases:
+ MCU_EMOT_EN=gpio25 , MCU_EMOT_STEP=gpio23 , MCU_EMOT_DIR=gpio24 , MCU_EMOT_UART=gpio0 , MCU_EMOT_TX=gpio1
+
+ MCU_ENDSTOP_X=gpio13 , MCU_ENDSTOP_Y=gpio12
+ MCU_HV_ENDSTOP=gpio10 ,
+
+ MCU_FAN0=gpio5 , MCU_FAN1=gpio6 , 
+ MCU_PWM0=gpio16 , MCU_PWM1=gpio17 ,
+
+ MCU_TEMP=gpio29 , 
+
+ MCU_HEAT=gpio9 , MCU_HEAT_CHAMBER=gpio28 , MCU_NH_TEMP=gpio26
+
+ MCU_RGB=gpio17 , MCU_ACTIVITY_LED=gpio8
+
+ MCU_ADXL_CS=gpio21 , MCU_ADXL_SCK=gpio18 , MCU_ADXL_MOSI=gpio20 , MCU_ADXL_MISO=gpio19 ,
+
+ MCU_FS=gpio3 , MCU_SU=gpio2 , MCU_ST_UART_TX=gpio1 , MCU_ST_UART_RX=gpio0

macros/hardware_functions/tacho_macros.cfg

@@ -0,0 +1,25 @@
+## This config file contains macros that can be used in conjuction with tacho-enabled part fans
+##
+## - PREFLIGHT_CHECK, add this to the beginning of your PRINT_START macro to check your PCF fans. 
+## If either of the fans are malfunctioning, the print job will be cancelled.
+
+[gcode_macro PCF_CHECK]
+description: sub-macro of PREFLIGHT CHECK, not intended to be used outside of parent macro
+gcode:
+ {% if printer.fan.rpm is not none %}
+ {% if printer.fan.rpm > 500 %}
+ {action_respond_info("Part fan self-test: PASS")}
+ {% else %}
+ CANCEL_PRINT
+ {action_respond_info("Part fan self-test: FAIL!")}
+ {% endif %}
+ {% endif %}
+
+[gcode_macro PREFLIGHT_CHECK]
+description: Use before print startup, checks the part fan for failures
+gcode:
+ M106 S128 ; turn on the part fan
+ G4 P2000 ; wait for the fan to spin up
+ M400
+ PCF_CHECK ; check part fan speed
+ M106 S0 ; turn off the part fan

user_templates/mcu_defaults/toolhead/LDO_Nighthawk-SB_v1.0.cfg

@@ -0,0 +1,153 @@
+
+#-------------------------------------------------------#
+#### LDO Nighthawk SB toolhead v1 MCU definition ########
+#-------------------------------------------------------#
+
+[mcu toolhead]
+##--------------------------------------------------------------------
+[mcu]
+serial: /dev/serial/by-id/usb-1a86_USB2.0-Serial-if00-port0 - change-me-to-the-correct-serial ##### ls /dev/serial/by-id/* #
+##--------------------------------------------------------------------
+
+# If you want to override the wiring of the LDO Nighthawk, keep in mind that this
+# board is defined using the "toolhead" name. So you should use "pin: toolhead:PIN_NAME"
+# in your own overrides.cfg files.
+
+[include config/mcu_definitions/toolhead/LDO_Nighthawk-SB_v1.0.cfg] # Do not remove this line
+[board_pins nighthawk_mcu]
+mcu: toolhead
+aliases:
+ E_STEP=MCU_EMOT_STEP , E_DIR=MCU_EMOT_DIR , E_ENABLE=MCU_EMOT_EN , E_TMCUART=MCU_EMOT_UART ,
+
+ X_STOP=MCU_ENDSTOP_X ,
+ PROBE_INPUT=MCU_HV_ENDSTOP ,
+
+ E_HEATER=MCU_HEAT , E_TEMPERATURE=MCU_TEMP , CHAMBER_TEMPERATURE=MCU_HEAT_CHAMBER , 
+ NH_MCU_TEMP=MCU_NH_TEMP
+
+ PART_FAN=MCU_FAN1 , E_FAN=MCU_FAN0 , PART_FAN_TACHO=MCU_PWM0 , E_FAN_TACHO=MCU_PWM1 ,
+
+ STATUS_NEOPIXEL=MCU_RGB , STATUS_BOARD=MCU_ACTIVITY_LED , 
+
+ ADXL_CS=MCU_ADXL_CS , ADXL_SCLK=MCU_ADXL_SCK , ADXL_MOSI=MCU_ADXL_MOSI , ADXL_MISO=MCU_ADXL_MISO ,
+
+ TX_PIN=MCU_ST_UART_TX , 
+
+
+#----------------------------------------#
+# LDO Nighthawk-SB v1 pins remapping #
+#----------------------------------------#
+
+# These pins overrides are automatically added when you select the LDO
+# toolhead MCU during the installation process. They should provide a
+# good base to work with. Feel free to adapt to your board if needed!
+
+#####################################################################
+# Extruder
+#####################################################################
+
+[extruder]
+step_pin: toolhead:E_STEP
+dir_pin: toolhead:E_DIR
+enable_pin: !toolhead:E_ENABLE
+heater_pin: toolhead:E_HEATER
+sensor_pin: toolhead:E_TEMPERATURE
+pullup_resistor: 2200
+
+[tmc2209 extruder]
+uart_pin: toolhead:E_TMCUART
+tx_pin: toolhead:TX_PIN
+sense_resistor: 0.100
+
+#####################################################################
+# Probe
+#####################################################################
+
+[probe]
+pin: ^toolhead:PROBE_INPUT
+
+#####################################################################
+# Fans
+#####################################################################
+
+[fan]
+pin: toolhead: PART_FAN
+#tachometer_pin: toolhead:PART_FAN_TACHO
+#tachometer_ppr: 2
+
+[heater_fan hotend_fan]
+pin: toolhead: E_FAN
+tachometer_pin: toolhead:E_FAN_TACHO
+tachometer_ppr: 2
+
+## Uncomment the following line if not using sensorless homing
+## and having the X endstop plugged to the toolhead MCU
+# [stepper_x]
+# endstop_pin: ^toolhead:X_STOP
+
+#####################################################################
+# Lights
+#####################################################################
+
+[neopixel status_leds]
+pin: toolhead:STATUS_NEOPIXEL
+
+## PCB Activity Light
+[output_pin act_led]
+pin: toolhead:STATUS_BOARD 
+
+#####################################################################
+# Accelerometer
+#####################################################################
+
+[adxl345]
+cs_pin: toolhead:ADXL_CS
+spi_software_sclk_pin: toolhead:ADXL_SCLK
+spi_software_mosi_pin: toolhead:ADXL_MOSI
+spi_software_miso_pin: toolhead:ADXL_MISO
+
+[resonance_tester]
+accel_chip: adxl345
+##--------------------------------------------------------------------
+## Uncomment below for 250mm build
+#probe_points:
+# 125, 125, 20
+
+## Uncomment below for 300mm build
+#probe_points:
+# 155, 155, 20
+
+## Uncomment below for 350mm build
+#probe_points:
+# 175, 175, 20
+
+#####################################################################
+# Thermistors
+# #####################################################################
+
+## If you do not have an external thermistor connected to the board, please comment this section out
+
+## External Chamber Thermistor Port
+[temperature_sensor chamber_temp]
+sensor_type: Generic 3950
+sensor_pin: toolhead:CHAMBER_TEMPERATURE
+min_temp: 0
+max_temp: 100
+gcode_id: chamber_th
+
+[thermistor CMFB103F3950FANT]
+temperature1: 0.0
+resistance1: 32116.0
+temperature2: 40.0
+resistance2: 5309.0
+temperature3: 80.0
+resistance3: 1228.0
+
+[temperature_sensor nh_temp]
+## Nitehawk PCB Sensor
+sensor_type: CMFB103F3950FANT
+sensor_pin: toolhead:NH_MCU_TEMP
+pullup_resistor: 2200
+min_temp: 0
+max_temp: 100
+gcode_id: chamber_th