QUERY · ISSUE

stm32: Factory reset from code

openby TravisJoeopened 2019-06-05updated 2022-01-01

port-stm32

I believe factory reset should be available as an alternative to USR. USR might not be practical or accessible for custom boards or how the device might be enclosed or accessed.

This might also be related to ways to clear/format/erase the filesystem from code.

Basically recovery and housecleaning.

CANDIDATE · PULL REQUEST

STM32: Factory Reset not Executed.

closedby braidenopened 2021-02-15updated 2021-03-10

port-stm32

Fixes micropython/micropython#6903

state.reset_mode is updated by MICROPY_BOARD_BEFORE_SOFT_RESET_LOOP
but not passed to init_flash_fs.

Assessment

S Sonnet · high

Both items concern STM32 factory reset functionality, but they address distinct problems. Issue #4832 is a feature request for factory reset to be triggerable from code (as an alternative to the physical USR button). PR #6904 fixes a bug where the existing button-triggered factory reset was silently broken — state.reset_mode (updated by MICROPY_BOARD_BEFORE_SOFT_RESET_LOOP) was not being forwarded to init_flash_fs(), so the reset mode was ignored. The PR restores correct behavior for the existing hardware-triggered mechanism; it does not add any code-accessible factory reset API. The feature request in #4832 remains open.

Suggested action

Leave #4832 open. It is a distinct feature request (programmatic factory reset) not addressed by #6904. Link #6904 as context — it shows where reset_mode flows through stm32_main/init_flash_fs, which is relevant to any implementation of code-triggered reset.

stm32: Factory reset from code

STM32: Factory Reset not Executed.

Keyboard