Why every Cortex-M developer should consider using a bootloader

Posted by Magnus Unemyr on Oct 28, 2016 8:30:00 AM

Many embedded systems are statically configured, i.e. the software cannot be easily upgraded once delivered. This can cause all sorts of problems. It is clearly very useful if the software can be upgraded “in-the-field”, preferably by the end-user himself.

Consider, for example, a situation where you find critical bugs. Or you need to make security upgrades. Or just add new features. It is very inconvenient to make a large-scale product recall. Having a bootloader in your product is the way to go to overcome these problems. But how do you create a bootloader in an ARM Cortex-M system? This blog post explains how.

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Topics: Embedded Software Development, System design concepts