Migrating Legacy RTOS Device Drivers to Embedded Linux

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Executive Summary

With the accelerating pace of application development and ever more compressed product life cycles, the ability to reuse and migrate legacy software to new platforms is paramount. Migrating from legacy RTOS-based designs to embedded Linux presents a range of engineering challenges and also opportunities for refining I/O architecture and formalizing system interfaces. This White Paper examines the particulars of legacy RTOS device interfaces and provides heuristics, resources and concrete examples of migrating this critical code to modern Linux-based embedded platforms.

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