Embedded systems are application-specific computers that interact with the physical world. Each has a diverse set of tasks to perform, and although a very flexible language might be able to handle all of them, instead a variety of problem-domain-specific languages have evolved that are easier to write, analyze, and compile.
1 Introduction
An embedded system is a computer masquerading as a non computer that must perform a small set of tasks cheaply and efficiently. A typical system might have communication, signal processing, and user interface tasks to perform. Because the tasks must solve diverse problems, a language general-purpose enough to solve them all would be difficult to write, analyze, and compile. Instead, a variety of languages have evolved, each best suited to a particular problem domain. For example, a language for signal processing is often more convenient for a particular problem than, say, assembly, but might be poor for control dominated behavior.
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