bootloader-fw-link: Use RAM to communicate #1423
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Instead of writing to non-volatile storage between mcu resets, write to a well-known location. RAM is random after hardware reset, but does not get cleared on MCU reset.
NickeZ
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NickeZ
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Apr 23, 2025
| } | ||
| } | ||
| // After reset we prefer to stay in bootloader | ||
| auto_enter = sectrue_u32; |
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The factory-setup could also just erase the first 8 bytes of itself when it is done, making it unbootable (and thus the bootloader would not try to boot it).
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Instead of writing to non-volatile storage between mcu resets, write to a well-known location.
RAM is random after hardware reset, but does not get cleared on MCU reset.