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42 lines
1.2 KiB
Python
Executable File
42 lines
1.2 KiB
Python
Executable File
#!/usr/bin/env python2
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# This is a layout for 4MB of flash
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# Name, Type, SubType, Offset, Size, Flags
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# nvs, data, nvs, 0x9000, 0x6000,
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# otadata, data, ota, , 0x2000,
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# app0, app, ota_0, , 0x1c0000,
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# app1, app, ota_1, , 0x1c0000,
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# spiffs, data, spiffs, , 0x06f000,
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start = 0x9000
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nvssys = 0x3000
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nvsuser = 0x2000 # NOTE: ti seems total size of nvssys MUST be 0x5000 or device will bootloop
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nvs = nvssys + nvsuser
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ota = 0x2000
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# app = 0x1c0000
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spi = 128 * 1024
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# treat sys part sizes + spiffs size as reserved, then calculate what appsize can be
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reserved = start + nvs + ota + spi
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maxsize = 0x400000 # 4MB
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app = (maxsize - reserved) / 2
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# total = start + nvs + ota + 2 * app + spi
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nvskb = nvsuser / 1024
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spikb = spi / 1024
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appkb = app / 1024
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table = """
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# This is autogenerated by genpartions.py - change that tool instead!
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# appsize={appkb} KB, spiffs={spikb} KB, usernvs={nvskb} KB
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# Name, Type, SubType, Offset, Size, Flags
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nvs, data, nvs, 0x{start:x}, 0x{nvs:x},
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otadata, data, ota, , 0x{ota:x},
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app0, app, ota_0, , 0x{app:x},
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app1, app, ota_1, , 0x{app:x},
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spiffs, data, spiffs, , 0x{spi:x} """.format(**locals())
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print(table)
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