Chapter 3: Operating in Real Time
This chapter addresses the need for embedded systems to generate real-time responses to inputs from sensors and other sources. The concepts of Real-Time Operating Systems (RTOSes) and their key features are introduced, as well as some challenges that commonly occur when implementing multitasking real-time applications. The chapter concludes with a discussion of the important characteristics of some popular open source and commercial RTOS implementations.
After completing this chapter, you will understand what it means for a system to operate in real time and will know the key attributes a real-time system must exhibit. You will understand the RTOS features that embedded systems rely upon, as well as some problems ...
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