36 lines
1.2 KiB
Python
36 lines
1.2 KiB
Python
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#!/usr/bin/env python3
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import argparse
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import struct
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from pathlib import Path
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MAGIC = b"TSLUPD1\0"
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HEADER_SIZE = 32
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def main():
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parser = argparse.ArgumentParser(description="Create a combined ESP32 update package.")
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parser.add_argument("--firmware", default=".pio/build/seeed_xiao_esp32c3/firmware.bin")
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parser.add_argument("--filesystem", default=".pio/build/seeed_xiao_esp32c3/littlefs.bin")
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parser.add_argument("--output", default=".pio/build/seeed_xiao_esp32c3/update.tslpkg")
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args = parser.parse_args()
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firmware_path = Path(args.firmware)
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filesystem_path = Path(args.filesystem)
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output_path = Path(args.output)
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firmware = firmware_path.read_bytes()
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filesystem = filesystem_path.read_bytes()
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output_path.parent.mkdir(parents=True, exist_ok=True)
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header = MAGIC + struct.pack("<III", HEADER_SIZE, len(filesystem), len(firmware)) + bytes(12)
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output_path.write_bytes(header + filesystem + firmware)
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print(f"Created {output_path}")
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print(f" filesystem: {filesystem_path} ({len(filesystem)} bytes)")
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print(f" firmware: {firmware_path} ({len(firmware)} bytes)")
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print(f" total: {output_path.stat().st_size} bytes")
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if __name__ == "__main__":
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main()
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