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nrf52: fix LittleFS-in-loop() stack overflow via larger loop_task stack #41

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nrf52: fix LittleFS-in-loop() stack overflow via larger loop_task stack #41

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nrf52: enlarge loop_task stack to 8KB to fix LittleFS-in-loop() overflow
disq May 31, 2026
822bf7a
Merge branch 'dev_plus' into fix/nrf52-loop-stack-size
disq Jun 7, 2026
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5 changes: 5 additions & 0 deletions platformio.ini
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Original file line number Diff line number Diff line change
Expand Up @@ -89,6 +89,11 @@ build_flags = ${arduino_base.build_flags}
-D NRF52_PLATFORM
-D LFS_NO_ASSERT=1
-D EXTRAFS=1
; Enlarge the Arduino loop_task stack (framework default 4KB / 1024 words is too
; small for LittleFS file opens from loop(), which overflow it and corrupt adjacent
; heap). 2048 words = 8KB. Requires the framework's LOOP_STACK_SZ #define to be
; #ifndef-guarded (Adafruit_nRF52_Arduino) so this override is honoured.
-D LOOP_STACK_SZ=2048
lib_deps =
${arduino_base.lib_deps}
https://github.com/oltaco/CustomLFS#0.2.2
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