We all know that a book should not be judged by its cover. However, a system can often be judged by its API, which may reveal many aspects of the internal implementation and the design choices of the system architects. A clear, readable, and easy-to-understand API is one of the most important features for an embedded system. Application developers expect to understand how to access functionalities quickly, to use the system in the most efficient way possible. The API represents the contract between the system and the applications, and for this reason, it must be designed beforehand and modified as little as possible, if at all, while the development moves towards the final delivery.
Some interfaces in the API may describe ...
