22 lines
747 B
Python
22 lines
747 B
Python
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Import("env")
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import os
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def create_ota_data_initial(source, target, env):
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build_dir = env.subst("$BUILD_DIR")
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ota_data_path = os.path.join(build_dir, "ota_data_initial.bin")
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# WLED-style OTA data initialization
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# First 32 bytes are for the first OTA slot
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# Next 32 bytes are for the second OTA slot
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# Pattern: 0x00 for the running partition, 0x55 for others
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ota_data = bytearray([0x00] * 32 + [0x55] * 32)
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# Fill the rest with 0xFF
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ota_data.extend([0xFF] * (0x2000 - len(ota_data)))
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with open(ota_data_path, 'wb') as f:
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f.write(ota_data)
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print(f"Created ota_data_initial.bin ({len(ota_data)} bytes)")
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env.AddPostAction("$BUILD_DIR/${PROGNAME}.bin", create_ota_data_initial)
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