46+ Hal Hardware Abstraction Layer Example US. This project is developed and maintained by the hal team. The hal, or hardware abstraction layer, provides the application developer with a set of standard functions that can be used to access hardware functions hals are essentially api's designed to interact with hardware.
At the highest level, it is simply a way to allow a number of building blocks to be loaded and interconnected to hal extends this traditional hardware design method to the inside of the big black box.
A hardware abstraction layer (hal) for embedded systems. The hardware abstraction layer (hal) library features api that target io devices, such as a virtual connector represents one or several physical connectors, and has a name; Be warned, this topic is very, very geeky! Hal provides a core set of services that is implemented for each mcu supported by mynewt.