In the world of software development, we often look for patterns that will help us both with coding or testing applications. By analyzing the types of defects that are found in particular domain areas, we can create tools or tests that will catch those bugs. Jon Hagar, a consultant from Invision, has been doing research in preparation for an upcoming book, looking for patterns of defects found in embedded software. In this tip, we find out how embedded software is different from traditional applications and some of the biggest areas that cause problems in embedded software, according to Hagar’s findings.
How is embedded software different?
The first point of confusion is the question of what exactly constitutes embedded software. Hagar quotes from Wikipedia that embedded software is software "written for machines that are not, first and foremost computers." He adds that this software “depends on unique hardware to solve a specialized problem interacting with and/or controlling the ‘real world.’” Examples of embedded software would be the software that controls medical devices,
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