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Export flash + option-byte internals to apps

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Enable all furi_hal_flash_* functions: geometry, free-page info, raw
program/erase/dword-write, and option-byte read/set/apply. Lets an app
read and modify internal flash directly (research use). Guarded by
EXPORT_FLASH (default 1); build with EXPORT_FLASH=0 to leave disabled.
17 symbols exported; firmware links and the app builds.
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andy
2026-09-11 13:08:58 +01:00
parent 2ca4adbeeb
commit 613848eddf
2 changed files with 14 additions and 0 deletions
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README.md
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@@ -182,6 +182,11 @@ symbol costs one API-table entry.
temperature, remaining/full/design capacity, health, charge state) are
already exported by stock firmware. This build also enables
`furi_hal_power_insomnia_level`; `furi_hal_power_init` stays disabled.
* **Flash + option-byte internals** (`furi_hal_flash_*`): flash geometry,
free-page info, and raw program / erase / dword-write / option-byte access.
An app can read and modify internal flash directly. **This can brick the
device or wipe storage.** Enabled here for research; build with
`EXPORT_FLASH=0 ./build.sh` to leave these disabled.
`build.sh` also widens the GAP roles the firmware initialises
(`GAP_PERIPHERAL_ROLE | GAP_CENTRAL_ROLE | GAP_OBSERVER_ROLE`) in