Initial commit

1 files changed, 30 insertions, 0 deletions

diff --git a/buildroot/share/PlatformIO/scripts/stm32_bootloader.py b/buildroot/share/PlatformIO/scripts/stm32_bootloader.py
new file mode 100644
index 0000000..7f49ea0
--- /dev/null
+++ b/buildroot/share/PlatformIO/scripts/stm32_bootloader.py
@@ -0,0 +1,30 @@
+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"))
+  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)
+
+board_keys = board.get("build").keys()
+# Only copy file if there's no encryptation
+if 'firmware' in board_keys and not 'encrypt' in board_keys:
+  env.AddPostAction("$BUILD_DIR/${PROGNAME}.bin", noencrypt)