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feat(buzzy): add buzzy board support with SPI flash, fix build warnings

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- Register BOARD_ROOT in CMakeLists.txt and sysbuild/CMakeLists.txt
- Add boardRoots to VS Code settings for board picker
- buzzy.dts: add nordic,pm-ext-flash chosen, external-flash and i2s-audio aliases
- nrf52840dk overlay: add external-flash alias (mirrors qspi-flash)
- fs_mgmt/Kconfig: select SPI_NOR for BOARD_BUZZY, NORDIC_QSPI_NOR for DK
- fs_mgmt.c: use external-flash alias instead of qspi-flash
- audio.c: bound snprintf to avoid truncation warning
- prj.conf: remove STACK_SENTINEL (conflicts with MPU_STACK_GUARD)
- mcuboot.conf: remove UART_CONSOLE (no SERIAL on buzzy)
- Delete mcuboot.overlay (no serial recovery needed)

Both buzzy/nrf52840 and nrf52840dk/nrf52840 build cleanly with zero warnings.
This commit is contained in:
Eduard Iten
2026-05-07 11:00:14 +02:00
parent 79676e2e1e
commit ad2dc19641
9 changed files with 13 additions and 19 deletions
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firmware/prj.conf
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@@ -16,4 +16,3 @@ CONFIG_PM_DEVICE=y
CONFIG_MAIN_STACK_SIZE=2048
CONFIG_INIT_STACKS=y
CONFIG_THREAD_STACK_INFO=y
CONFIG_STACK_SENTINEL=y