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MarlinFirmware/buildroot/share/PlatformIO/scripts/stm32_bootloader.py
2020-07-06 17:08:52 -05:00

31 lines
1.1 KiB
Python

import os,sys,shutil
Import("env")
from SCons.Script import DefaultEnvironment
board = DefaultEnvironment().BoardConfig()
def noencrypt(source, target, env):
firmware = os.path.join(target[0].dir.path, board.get("build.firmware"))
# do not overwrite encrypted firmware if present
if not os.path.isfile(firmware):
shutil.copy(target[0].path, firmware)
if 'offset' in board.get("build").keys():
LD_FLASH_OFFSET = board.get("build.offset")
for define in env['CPPDEFINES']:
if define[0] == "VECT_TAB_OFFSET":
env['CPPDEFINES'].remove(define)
env['CPPDEFINES'].append(("VECT_TAB_OFFSET", LD_FLASH_OFFSET))
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)
if 'firmware' in board.get("build").keys():
env.AddPostAction("$BUILD_DIR/${PROGNAME}.bin", noencrypt);