3d-stuff/sparky/Marlin-bugfix-2.0.x/buildroot/share/PlatformIO/scripts/stm32_bootloader.py

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2021-11-11 17:37:34 +01:00
#
# stm32_bootloader.py
#
import os,sys,marlin
Import("env")
from SCons.Script import DefaultEnvironment
board = DefaultEnvironment().BoardConfig()
board_keys = board.get("build").keys()
#
# For build.offset define LD_FLASH_OFFSET, used by ldscript.ld
#
if 'offset' in board_keys:
LD_FLASH_OFFSET = board.get("build.offset")
marlin.relocate_vtab(LD_FLASH_OFFSET)
# Flash size
maximum_flash_size = int(board.get("upload.maximum_size") / 1024)
marlin.replace_define('STM32_FLASH_SIZE', maximum_flash_size)
# Get upload.maximum_ram_size (defined by /buildroot/share/PlatformIO/boards/VARIOUS.json)
maximum_ram_size = board.get("upload.maximum_ram_size")
for i, flag in enumerate(env["LINKFLAGS"]):
if "-Wl,--defsym=LD_FLASH_OFFSET" in flag:
env["LINKFLAGS"][i] = "-Wl,--defsym=LD_FLASH_OFFSET=" + LD_FLASH_OFFSET
if "-Wl,--defsym=LD_MAX_DATA_SIZE" in flag:
env["LINKFLAGS"][i] = "-Wl,--defsym=LD_MAX_DATA_SIZE=" + str(maximum_ram_size - 40)
#
# For build.rename simply rename the firmware file.
#
if 'rename' in board_keys:
def rename_target(source, target, env):
firmware = os.path.join(target[0].dir.path, board.get("build.rename"))
import shutil
shutil.copy(target[0].path, firmware)
marlin.add_post_action(rename_target)