English

A Practical Introduction To Real-Time Systems For Undergraduate Engineering

This course will begin by introducing the requirements and constraints of real-time and embedded systems, together with examples. Next, we will consider various programming paradigms, appropriate characteristics for embedded and real-time programming languages, and an introduction to the C programming language and contrast it with C++. We continue by describing the organization of a computer, including descriptions of Turing machines, register machines, main memory, processor architecture and operating systems. Continuing from here, we describe static memory allocation and the call stack, and then consider dynamic memory allocation, including numerous variable-sized-block strategies, their appropriateness for real-time systems and various implementations in FreeRTOS. We also consider automatic memory allocation, including garbage collection. Following this, we discuss the idea of threads and tasks running in parallel, looking at examples of sorting in parallel, and the data structures necessary to maintain threads. We then consider the issue of scheduling threads, first with multi-programming, non-preemptive scheduling and the concept of context switching, and then considering mult

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