BigTreeTech GTR V1.0 / Support 8 extruders, heaters, temp sensors, fans (#16595)

platformio.ini

@@ -586,7 +586,7 @@ lib_ignore    = Adafruit NeoPixel
 
 #
 # STM32F401VE
-# 'STEVAL-3DP001)' STM32F401VE board - https://www.st.com/en/evaluation-tools/steval-3dp001v1.html
+# 'STEVAL-3DP001V1' STM32F401VE board - https://www.st.com/en/evaluation-tools/steval-3dp001v1.html
 #
 [env:STM32F401VE_STEVAL]
 platform          = ststm32
@@ -677,6 +677,37 @@ src_filter        = ${common.default_src_filter} +<src/HAL/HAL_STM32>
 debug_tool        = stlink
 debug_init_break  =
 
+#
+# Bigtreetech GTR V1.0 (STM32F407IGT6 ARM Cortex-M4)
+#
+[env:BIGTREE_GTR_V1_0]
+platform          = ststm32@>=5.7.0
+framework         = arduino
+platform_packages = framework-arduinoststm32@>=3.10700.191028
+board             = BigTree_SKR_Pro
+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=\"STM32F407IG\"
+  -DTARGET_STM32F4 -DSTM32F407IX -DVECT_TAB_OFFSET=0x8000
+  -DHAVE_HWSERIAL3
+  -DHAVE_HWSERIAL6
+  -DPIN_SERIAL3_RX=PD_9
+  -DPIN_SERIAL3_TX=PD_8
+  -DPIN_SERIAL6_RX=PC_7
+  -DPIN_SERIAL6_TX=PC_6
+
+  -IMarlin/src/HAL/HAL_STM32
+lib_deps          =
+  U8glib-HAL=https://github.com/MarlinFirmware/U8glib-HAL/archive/bugfix.zip
+  LiquidCrystal
+  TMCStepper@>=0.5.2,<1.0.0
+  Adafruit NeoPixel
+  LiquidTWI2=https://github.com/lincomatic/LiquidTWI2/archive/master.zip
+  Arduino-L6470=https://github.com/ameyer/Arduino-L6470/archive/dev.zip
+lib_ignore        = SoftwareSerial, SoftwareSerialM
+src_filter        = ${common.default_src_filter} +<src/HAL/HAL_STM32>
+monitor_speed     = 250000
+
 #
 # BigTreeTech BTT002 (STM32F407VET6 ARM Cortex-M4)
 #