stm32: Add support for Nation N32G45x mcus (#6116)

N32G452/G455 are mostly compatible with STM32F103 but have M4 core and different ADC.

Signed-off-by: Alexey Golyshin <[email protected]>

config/printer-voxelab-aquila-2021.cfg

@@ -0,0 +1,83 @@
+# This file contains pin mappings for the Voxelab Aquila
+# with the FFP0173 1.0.1 mainboard. To use this config, during
+# "make menuconfig" select the STM32F103 for STM32/G32, or
+# Nation N32G452 for N32 version, 28KB boot, serial PA9/PA10.
+# See docs/Config_Reference.md for a description of parameters.
+
+[stepper_x]
+step_pin: PC2
+dir_pin: PB9
+enable_pin: !PC3
+microsteps: 16
+rotation_distance: 40
+endstop_pin: ^PA5
+position_endstop: 0
+position_max: 235
+homing_speed: 50
+
+[stepper_y]
+step_pin: PB8
+dir_pin: PB7
+enable_pin: !PC3
+microsteps: 16
+rotation_distance: 40
+endstop_pin: ^PA6
+position_endstop: 0
+position_max: 235
+homing_speed: 50
+
+[stepper_z]
+step_pin: PB6
+dir_pin: !PB5
+enable_pin: !PC3
+microsteps: 16
+rotation_distance: 8
+endstop_pin: ^PA7
+position_endstop: 0.0
+position_max: 250
+
+[extruder]
+max_extrude_only_distance: 100.0
+step_pin: PB4
+dir_pin: PB3
+enable_pin: !PC3
+microsteps: 16
+rotation_distance: 34.406
+nozzle_diameter: 0.400
+filament_diameter: 1.750
+heater_pin: PA1
+sensor_type: EPCOS 100K B57560G104F
+sensor_pin: PC5
+control: pid
+# tuned for stock hardware with 200 degree Celsius target
+pid_Kp: 21.527
+pid_Ki: 1.063
+pid_Kd: 108.982
+min_temp: 0
+max_temp: 250
+
+[heater_bed]
+heater_pin: PA2
+sensor_type: EPCOS 100K B57560G104F
+sensor_pin: PC4
+control: pid
+# tuned for stock hardware with 50 degree Celsius target
+pid_Kp: 54.027
+pid_Ki: 0.770
+pid_Kd: 948.182
+min_temp: 0
+max_temp: 130
+
+[fan]
+pin: PA0
+
+[mcu]
+serial: /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0
+restart_method: command
+
+[printer]
+kinematics: cartesian
+max_velocity: 300
+max_accel: 3000
+max_z_velocity: 5
+max_z_accel: 100

lib/README

@@ -160,3 +160,7 @@ revision 177b0073fe6f19281ee7f7fdbe9599e32d1b4b8b.
 The Huada HC32F460 directory contains code from:
   https://www.hdsc.com.cn/Category83-1490
 version 2.2 DDL minus example directory, empty/extra files
+
+The n32g45x directory contains parts of code from:
+  https://github.com/RT-Thread/rt-thread/tree/master/bsp/n32g452xx/Libraries/N32_Std_Driver
+version v1.0.1 (77638c17877c4b6b0b81e189a36bb08b3384923b)