New board STM32F407 (#14994)

platformio.ini

@@ -477,6 +477,26 @@ lib_ignore = Adafruit NeoPixel, SailfishLCD, SailfishRGB_LED, SlowSoftI2CMaster
 src_filter = ${common.default_src_filter} +<src/HAL/HAL_STM32>
 monitor_speed = 250000
 
+#
+# BIGTREE_SKR_BTT002 (STM32F407VET6 ARM Cortex-M4)
+#
+[env:BIGTREE_BTT002]
+platform = ststm32@5.4.3
+framework = arduino
+board = BigTree_BTT002
+extra_scripts = pre:buildroot/share/PlatformIO/scripts/generic_create_variant.py
+build_flags = ${common.build_flags}
+  -DUSBCON -DUSBD_USE_CDC -DUSBD_VID=0x0483 -DUSB_PRODUCT=\"STM32F407VE\"
+  -DTARGET_STM32F4 -DSTM32F407_5VX -DVECT_TAB_OFFSET=0x8000
+  -DHAVE_HWSERIAL2
+  -DHAVE_HWSERIAL3
+  -DPIN_SERIAL2_RX=PD_6
+  -DPIN_SERIAL2_TX=PD_5
+lib_deps = ${common.lib_deps}
+lib_ignore = Adafruit NeoPixel, SailfishLCD, SailfishRGB_LED, SlowSoftI2CMaster
+src_filter = ${common.default_src_filter} +<src/HAL/HAL_STM32>
+monitor_speed = 250000
+
 #
 # Teensy 3.1 / 3.2 (ARM Cortex-M4)
 #
@@ -516,7 +536,7 @@ build_flags = !python Marlin/src/HAL/HAL_STM32F1/STM32F1_flag_script.py -DMCU_ST
   -DDEBUG_LEVEL=0
 src_filter  = ${common.default_src_filter} +<src/HAL/HAL_STM32F1>
 #-<frameworks>
-lib_ignore  = Adafruit NeoPixel, LiquidCrystal, LiquidTWI2, TMCStepper, TMC26XStepper, U8glib-HAL
+lib_ignore  = Adafruit NeoPixel, LiquidCrystal, LiquidTWI2, TMCStepper, U8glib-HAL
 
 #
 # Espressif ESP32
@@ -531,7 +551,7 @@ upload_port = /dev/ttyUSB0
 lib_deps =
   AsyncTCP=https://github.com/me-no-dev/AsyncTCP/archive/master.zip
   ESPAsyncWebServer=https://github.com/me-no-dev/ESPAsyncWebServer/archive/master.zip
-lib_ignore  = TMC26XStepper, LiquidCrystal, LiquidTWI2, SailfishLCD, SailfishRGB_LED
+lib_ignore  = LiquidCrystal, LiquidTWI2, SailfishLCD, SailfishRGB_LED
 src_filter  = ${common.default_src_filter} +<src/HAL/HAL_ESP32>
 
 #