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How to Use Watchdog Timers Properly when Multitasking

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To keep a watchdog timer from resetting your system, you've got to kick it regularly. But that's not all there is to watchdog science. We will examine the use and testing of a watchdog, as well as the integration of a watchdog into a multitasking environment.

How to Implement Internet Protocol (IP) in C

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The Internet Protocol (IP) is the glue that holds an internet together. Here's a compact implementation of the IP layer for embedded C programmers.

A Glossary of Open Source Legal Terms

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If you are considering using software developed by others, such as Linux, within your embedded system, you'll likely need an intellectual property lawyer to read the license agreements such as GPL. Here's a brief glossary of the licensing terminology that's enough to get you started.

Fast Accurate Memory Test Code in C

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If ever there was a piece of embedded software ripe for reuse it's the memory test. This article shows how to test for the most common memory problems with a set of three efficient, portable, public-domain memory test functions.

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