kopia lustrzana https://github.com/micropython/micropython
80 wiersze
3.0 KiB
Python
Executable File
80 wiersze
3.0 KiB
Python
Executable File
#!/usr/bin/env python3
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#
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# This file is part of the MicroPython project, http://micropython.org/
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#
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# The MIT License (MIT)
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#
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# Copyright (c) 2020 Jim Mussared
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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# This script obfuscates the ST wireless binaries so they can be safely copied
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# to the flash filesystem and not be accidentally discovered by the FUS during
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# an update. See more information (and the corresponding de-obfuscation) in
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# rfcore_firmware.py as well as instructions on how to use.
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import os
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import struct
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import sys
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# Must match rfcore_firmware.py.
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_OBFUSCATION_KEY = 0x0573B55AA
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_FIRMWARE_FILES = {
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"stm32wb5x_FUS_fw_1_0_2.bin": "fus_102.bin",
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"stm32wb5x_FUS_fw.bin": "fus_110.bin",
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"stm32wb5x_BLE_HCILayer_fw.bin": "ws_ble_hci.bin",
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}
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def main(src_path, dest_path):
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for src_file, dest_file in _FIRMWARE_FILES.items():
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src_file = os.path.join(src_path, src_file)
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dest_file = os.path.join(dest_path, dest_file)
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if not os.path.exists(src_file):
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print("Unable to find: {}".format(src_file))
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continue
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sz = 0
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with open(src_file, "rb") as src:
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with open(dest_file, "wb") as dest:
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while True:
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b = src.read(4)
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if not b:
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break
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(v,) = struct.unpack("<I", b)
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v ^= _OBFUSCATION_KEY
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dest.write(struct.pack("<I", v))
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sz += 4
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print("Written {} ({} bytes)".format(dest_file, sz))
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if __name__ == "__main__":
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if len(sys.argv) != 3:
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print("Usage: {} src_path dest_path".format(sys.argv[0]))
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print()
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print(
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'"src_path" should be the location of the ST binaries from https://github.com/STMicroelectronics/STM32CubeWB/tree/master/Projects/STM32WB_Copro_Wireless_Binaries/STM32WB5x'
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)
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print(
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'"dest_path" will be where fus_102.bin, fus_110.bin, and ws_ble_hci.bin will be written to.'
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)
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sys.exit(1)
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main(sys.argv[1], sys.argv[2])
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