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#
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# fix_framework_weakness.py
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#
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from os.path import join, isfile
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import shutil
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from pprint import pprint
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Import("env")
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if env.MarlinFeatureIsEnabled("POSTMORTEM_DEBUGGING"):
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FRAMEWORK_DIR = env.PioPlatform().get_package_dir("framework-arduinoststm32-maple")
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patchflag_path = join(FRAMEWORK_DIR, ".exc-patching-done")
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# patch file only if we didn't do it before
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if not isfile(patchflag_path):
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print("Patching libmaple exception handlers")
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original_file = join(FRAMEWORK_DIR, "STM32F1", "cores", "maple", "libmaple", "exc.S")
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backup_file = join(FRAMEWORK_DIR, "STM32F1", "cores", "maple", "libmaple", "exc.S.bak")
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src_file = join("buildroot", "share", "PlatformIO", "scripts", "exc.S")
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assert isfile(original_file) and isfile(src_file)
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shutil.copyfile(original_file, backup_file)
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shutil.copyfile(src_file, original_file);
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def _touch(path):
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with open(path, "w") as fp:
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fp.write("")
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env.Execute(lambda *args, **kwargs: _touch(patchflag_path))
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print("Done patching exception handler")
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print("Libmaple modified and ready for post mortem debugging")
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rxBuf = env["MARLIN_FEATURES"]["RX_BUFFER_SIZE"] if "RX_BUFFER_SIZE" in env["MARLIN_FEATURES"] else "0"
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txBuf = env["MARLIN_FEATURES"]["TX_BUFFER_SIZE"] if "TX_BUFFER_SIZE" in env["MARLIN_FEATURES"] else "0"
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if int(rxBuf) < 64:
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rxBuf = "64"
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if int(txBuf) < 64:
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txBuf = "64"
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build_flags = env.get('BUILD_FLAGS')
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build_flags.append("-DUSART_RX_BUF_SIZE=" + rxBuf + " -DUSART_TX_BUF_SIZE=" + txBuf)
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env.Replace(BUILD_FLAGS=build_flags)
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