Watchdog Timer Patterns That Actually Catch Real Firmware Hangs
A watchdog that only kicks in the main loop catches nothing when the real problem is a blocked interrupt handler. Patterns for multi-stage watchdogs that cover what actually hangs.
A watchdog that only kicks in the main loop catches nothing when the real problem is a blocked interrupt handler. Patterns for multi-stage watchdogs that cover what actually hangs.
Overview
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Tags
- watchdog
- firmware
- reliability
- embedded
- rtos
Manish Bookreader
Electronics enthusiast, Embedded Systems Expert, Linux/Networking programmer, and Software Engineer passionate about AI, electronics, books, and cooking.