🔨 Trigorilla Pro disk based update (#24591)

Marlin/src/pins/pins.h

 #elif MB(CREALITY_V25S1)
   #include "stm32f1/pins_CREALITY_V25S1.h"      // STM32F1                                env:STM32F103RE_creality_smartPro env:STM32F103RE_creality_smartPro_maple
 #elif MB(TRIGORILLA_PRO)
-  #include "stm32f1/pins_TRIGORILLA_PRO.h"      // STM32F1                                env:trigorilla_pro env:trigorilla_pro_maple
+  #include "stm32f1/pins_TRIGORILLA_PRO.h"      // STM32F1                                env:trigorilla_pro env:trigorilla_pro_maple env:trigorilla_pro_disk
 #elif MB(FLY_MINI)
   #include "stm32f1/pins_FLY_MINI.h"            // STM32F1                                env:FLY_MINI env:FLY_MINI_maple
 #elif MB(FLSUN_HISPEED)

buildroot/share/PlatformIO/scripts/chitu_crypt.py

 #
 import pioutil
 if pioutil.is_pio_build():
-	import struct,uuid
+	import struct,uuid,marlin
+
+	board = marlin.env.BoardConfig()
 
 	def calculate_crc(contents, seed):
 		accumulating_xor_value = seed;
 	# Encrypt ${PROGNAME}.bin and save it as 'update.cbd'
 	def encrypt(source, target, env):
 		from pathlib import Path
+
 		fwpath = Path(target[0].path)
 		fwsize = fwpath.stat().st_size
+
+		enname = board.get("build.crypt_chitu")
+		enpath = Path(target[0].dir.path)
+
 		fwfile = fwpath.open("rb")
-		upfile = Path(target[0].dir.path, 'update.cbd').open("wb")
+		enfile = (enpath / enname).open("wb")
-		encrypt_file(fwfile, upfile, fwsize)
+
+		print(f"Encrypting {fwpath} to {enname}")
+		encrypt_file(fwfile, enfile, fwsize)
+		fwfile.close()
+		enfile.close()
+		fwpath.unlink()
 
-	import marlin
 	marlin.relocate_firmware("0x08008800")
 	marlin.add_post_action(encrypt);

ini/stm32f1.ini

                        -DUSBCON -DUSBD_USE_CDC
 
 #
+# TRIGORILLA PRO DISK BASED (STM32F103ZET6)
+# Builds for Trigorilla to update from SD
+#
+[env:trigorilla_pro_disk]
+extends              = stm32_variant
+board                = genericSTM32F103ZE
+board_build.crypt_chitu = update.zw
+board_build.variant  = MARLIN_F103Zx
+board_build.offset   = 0x8800
+build_flags          = ${stm32_variant.build_flags}
+                       -DENABLE_HWSERIAL3 -DTIMER_SERIAL=TIM5
+build_unflags        = ${stm32_variant.build_unflags}
+                       -DUSBCON -DUSBD_USE_CDC
+extra_scripts        = ${stm32_variant.extra_scripts}
+                       buildroot/share/PlatformIO/scripts/chitu_crypt.py
+
+
+#
 # Chitu boards like Tronxy X5s (STM32F103ZET6)
 #
 [env:chitu_f103]
 extends              = stm32_variant
 board                = genericSTM32F103ZE
+board_build.crypt_chitu = update.cbd
 board_build.variant  = MARLIN_F103Zx
 board_build.offset   = 0x8800
 build_flags          = ${stm32_variant.build_flags}