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Executing Gremlins - #14

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AarC10 wants to merge 2 commits into
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fable
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Executing Gremlins#14
AarC10 wants to merge 2 commits into
mainfrom
fable

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@AarC10

@AarC10 AarC10 commented Jun 13, 2026

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  • lora.c link-change unpack zeroed 3 of 4 frequency bytes, tuning the radio to garbage on any over-the-air parameter change
  • radio_node linkTestChanceExpired killed the interrupt thread (copy-paste from signalStopping), permanently deafening the radio
  • boost detection result was never consumed: Preboost now actually enters Flight, and the threshold accounts for the 1 g rest reading
  • crashout_stm used uninitialized SPI speed for every transfer and read past the 8-byte transfer in getServoMotion
  • stm_bridge actions could hang forever if the STM stopped answering; divide-by-zero NaN cast on the pre-IMU status ticks
  • ImageTaker could spin forever on a wedged camera and crash on radio-supplied crop rects; mmap checked NULL instead of MAP_FAILED
  • captain/stm_bridge/radio CMakeLists installed nonexistent config dirs so colcon build failed at install for all three packages
  • ros2 bag record got '--compression-mode file' as one argument
  • start_flight.py had four separate crash-on-start bugs

AarC10 and others added 2 commits June 10, 2026 09:04
Highlights (full list in FABLE_BUGFIXES.md):
- lora.c link-change unpack zeroed 3 of 4 frequency bytes, tuning the
  radio to garbage on any over-the-air parameter change
- radio_node linkTestChanceExpired killed the interrupt thread
  (copy-paste from signalStopping), permanently deafening the radio
- boost detection result was never consumed: Preboost now actually
  enters Flight, and the threshold accounts for the 1 g rest reading
- crashout_stm used uninitialized SPI speed for every transfer and
  read past the 8-byte transfer in getServoMotion
- stm_bridge actions could hang forever if the STM stopped answering;
  divide-by-zero NaN cast on the pre-IMU status ticks
- ImageTaker could spin forever on a wedged camera and crash on
  radio-supplied crop rects; mmap checked NULL instead of MAP_FAILED
- captain/stm_bridge/radio CMakeLists installed nonexistent config
  dirs so colcon build failed at install for all three packages
- ros2 bag record got '--compression-mode file' as one argument
- start_flight.py had four separate crash-on-start bugs

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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