What is a watchdog timer (WDT) in embedded systems? How do you implement it in C?

What is a watchdog timer (WDT) in embedded systems? How do you implement it in C?

题目类型: 技术面试题

这是一道技术面试题，常见于澳洲IT公司面试中。

难度: medium

标签: interviewbit, c, topic-specific, systems

参考答案摘要

A watchdog timer (WDT) is a hardware timer used to automatically reset a microcontroller if the software becomes unresponsive. It is a safety mechanism designed to recover systems from hangs, infinite...

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