feat: implement Creality v2.1

config/hardware/displays/CR10_stock_st7920.cfg

@@ -0,0 +1,7 @@
+[display]
+lcd_type = st7920
+cs_pin = EXP1_7
+sclk_pin = EXP1_6            
+sid_pin = EXP1_8
+encoder_pins: ^EXP1_3, ^EXP1_5
+click_pin: ^!EXP1_2

config/hardware/extruder/CR10_stock.cfg

@@ -0,0 +1,21 @@
+[gcode_macro _USER_VARIABLES]
+variable_extruder_enabled: True
+gcode:
+
+[extruder]
+step_pin: E0_STEP
+dir_pin: E0_DIR
+enable_pin: !E0_ENABLE
+microsteps: 16
+rotation_distance: 33.760 # measured 34.400, ratio 0.981 by calibration. (was 33.683)
+nozzle_diameter: 0.400
+filament_diameter: 1.750
+heater_pin: E_HEATER
+sensor_type: EPCOS 100K B57560G104F
+sensor_pin: E_TEMPERATURE
+min_temp: 0
+max_temp: 250
+
+# We also include the default wiring and low thermal hotend patch
+[include default_wiring.cfg]
+[include ../../../macros/helpers/hotend_heater_ctrl.cfg]

config/mcu_definitions/main/Creality_v2.1.cfg

@@ -0,0 +1,79 @@
+[board_pins mcu_manufacturer]
+aliases:
+
+    X_STEP=PF0, 
+    X_DIR=PF1, 
+    X_ENABLE=PD7, 
+    X_STOP=PE5, 
+
+    Y_STEP=PF6, 
+    Y_DIR=PF7, 
+    Y_ENABLE=PF2, 
+    Y_STOP=PJ1, 
+
+    Z_STEP=PL3, 
+    Z_DIR=PL1, 
+    Z_ENABLE=PK0, 
+    Z_STOP=PD3,
+
+    E_STEP=PA4, 
+    E_DIR=PA6, 
+    E_ENABLE=PA2, 
+    E_HEATER=PB4, 
+    E_TEMPERATURE=PK5, 
+
+    #MCU_E1M_STEP=N/A, 
+    #MCU_E1M_DIR=N/A, 
+    #MCU_E1M_ENABLE=N/A, 
+    #MCU_HE1=N/A,
+    #MCU_TH1=N/A,
+
+    BED_HEATER=PH5,
+    BED_TEMPERATURE=PK6, 
+
+    PART_FAN=PH6,
+
+  # EXP1 header
+    EXP1_1=PC0, # Buzzer
+    EXP1_2=PC2, # BTN_ENC
+    EXP1_3=PH0, # LCD E
+    EXP1_4=PH1, # LCDRS
+    EXP1_5=PA1, # D4
+    EXP1_6=PA3, # D5
+    EXP1_7=PA5, # D6
+    EXP1_8=PA7, # D7
+    EXP1_9=<GND>, 
+    EXP1_10=<5V>,
+
+ # EXP2 header
+    EXP2_1=PB3,   # N/C
+    EXP2_2=PB1,   # SCK
+    EXP2_3=PC6,   # BTN ENC2 
+    EXP2_4=PB0,   # N/C
+    EXP2_5=PC4,   # BTN ENC1
+    EXP2_6=PB2,   # MOSI
+    EXP2_7=PL0,   # SD_DETECT
+    EXP2_8=<RST>, # RESET
+    EXP2_9=<GND>, # GND
+    EXP2_10=PG0,  # KILL_PIN
+
+# AUX1 header
+    AUX1_1=<5v>,
+    AUX1_2=<5v>,
+    AUX1_3=<GND>,
+    AUX1_4=<GND>,
+    AUX1_5=PF3,   # A3
+    AUX1_6=PE1,   # TX0
+    AUX1_7=PF4,   # A4
+    AUX1_8=PE0,   # RX0
+
+# EXTRA headers
+# (below EXP2)
+# <SIGNAL>, <GND>, <5V>
+# from top to botttom
+# 
+    EXTRA_1=PK2, # A10
+    EXTRA_2=PK3, # A11
+    EXTRA_3=PB6, # D12
+    EXTRA_4=PB5, # D11
+