Hardware abstraction layers (HALs) are an important layer to every embedded software application. A HAL allows a developer to abstract or decouple the hardware details from the application code.

My memory on this is a little sketchy, but I think that when you make a call on a virtual function, the virtual function table must be consulted before method invocation, whereas non-virtual functions ...

In the first part of this series, we covered the basics of pointers in C, and went on to more complex arrangements and pointer arithmetic in the second part. Both times, we focused solely on pointers ...