add: mcu Fystec Cheetah v3 (#604)

config/mcu_definitions/main/Fysetc_Cheetah_v3.x.cfg

@@ -0,0 +1,51 @@
+[board_pins mcu_manufacturer]
+aliases:
+    MCU_XM_STEP=PC0  , MCU_XM_DIR=PC1  , MCU_XM_ENABLE=PC3  ,
+    MCU_YM_STEP=PC14 , MCU_YM_DIR=PC13 , MCU_YM_ENABLE=PC15 ,
+    MCU_ZM_STEP=PB4  , MCU_ZM_DIR=PB5  , MCU_ZM_ENABLE=PC2  ,
+    MCU_EM_STEP=PB2  , MCU_EM_DIR=PA15 , MCU_EM_ENABLE=PD2  ,
+    MCU_TMCUART=PB3  , MCU_TMCTX=PA2 ,
+
+    MCU_XSTOP=PA2  , MCU_YSTOP=PA3 , MCU_ZSTOP=PC4 ,
+    MCU_E0STOP=PA1 ,
+
+    MCU_HE0=PC7 ,
+    MCU_BED=PC8 ,
+
+    MCU_TH0=PC5 ,
+    MCU_THB=PB0 ,
+    MCU_TH2=PB1 ,
+
+    MCU_FAN0=PA14 , MCU_FAN1=PA13 , MCU_FAN2=PA8 ,
+
+    # Z-Probe Header
+    MCU_SERVOS=PA0, MCU_PROBE=PC4 ,
+
+    # PI Header
+    MCU_Pi_PWR_UART_TX1=PA9 ,
+    MCU_Pi_PWR_UART_RX1=PA10 ,
+
+    # ?? Header
+    MCU_P2_DP=PA11 ,
+    MCU_P2_DM=PA12 ,
+
+    # EXP1 header
+    EXP1_1=<GND> , EXP1_2=<5V>  ,
+    EXP1_3=PB7   , EXP1_4=PB6   ,
+    EXP1_5=PB14  , EXP1_6=PB13  ,  # Slot in the socket on this side
+    EXP1_7=PB12  , EXP1_8=PB15  ,
+    EXP1_9=PC6   , EXP1_10=PB10 ,
+
+    # EXP2 header
+    EXP2_1=<GND> , EXP2_2=<5V>  ,
+    EXP2_3=<RST> , EXP2_4=PC12  ,
+    EXP2_5=PA7   , EXP2_6=PC11  ,   # Slot in the socket on this side
+    EXP2_7=PA4   , EXP2_8=PC10  ,
+    EXP2_9=PA5   ,EXP2_10=PA6   ,
+
+    # EXP3 header
+    EXP3_1=PB10  , EXP3_2=PC6   ,
+    EXP3_3=PC10  , EXP3_4=PB14  ,
+    EXP3_5=PC11  , EXP3_6=PB13  ,   # Slot in the socket on this side
+    EXP3_7=PB12  , EXP3_8=PB15  ,
+    EXP3_9=<GND> , EXP3_10=<5V>

user_templates/mcu_defaults/main/Fysetc_Cheetah_v3.x.cfg

@@ -0,0 +1,55 @@
+
+#------------------------------------#
+#### Fystec Cheetah V3 definition ####
+#------------------------------------#
+
+# https://github.com/FYSETC/Cheetah_V3.0
+[mcu]
+##--------------------------------------------------------------------
+serial: /dev/serial/by-id/change-me-to-the-correct-mcu-path
+##--------------------------------------------------------------------
+
+[include config/mcu_definitions/main/Fysetc_Cheetah_v3.x.cfg] # Do not remove this line
+[board_pins Cheetah_v3_mcu]
+mcu: mcu
+restart_method: command
+aliases:
+    X_STEP=MCU_XM_STEP , X_DIR=MCU_XM_DIR , X_ENABLE=MCU_XM_ENABLE ,
+    Y_STEP=MCU_YM_STEP , Y_DIR=MCU_YM_DIR , Y_ENABLE=MCU_YM_ENABLE ,
+    Z_STEP=MCU_ZM_STEP , Z_DIR=MCU_ZM_DIR , Z_ENABLE=MCU_ZM_ENABLE ,
+    E_STEP=MCU_EM_STEP , E_DIR=MCU_EM_DIR , E_ENABLE=MCU_EM_ENABLE ,
+
+    TMCUART=MCU_TMCUART , TMCTX=MCU_TMCTX ,
+
+    X_STOP=MCU_XSTOP , Y_STOP=MCU_YSTOP , Z_STOP=MCU_ZSTOP ,
+    RUNOUT_SENSOR=MCU_E0STOP ,
+    PROBE_INPUT=MCU_PROBE    ,
+    SERVO_PIN=MCU_SERVOS     ,
+
+    E_HEATER=MCU_HE0   , E_TEMPERATURE=MCU_TH0   ,
+    BED_HEATER=MCU_BED , BED_TEMPERATURE=MCU_THB ,
+
+    PART_FAN=MCU_FAN0 , E_FAN=MCU_FAN1 , CONTROLLER_FAN=MCU_FAN2 ,
+
+
+[tmc2209 stepper_x]
+uart_pin: TMCUART
+#tx_pin: TMCTX
+uart_address: 0
+
+[tmc2209 stepper_y]
+uart_pin: TMCUART
+#tx_pin: TMCTX
+uart_address: 1
+
+[tmc2209 stepper_z]
+uart_pin: TMCUART
+#tx_pin: TMCTX
+uart_address: 2
+
+# Comment this section if you are using a toolhead with its own MCU
+[tmc2209 extruder]
+uart_pin: TMCUART
+#tx_pin: TMCTX
+uart_address: 3
+