Introduction
A Device Tree is a data structure describing a system's hardware. Some hardware is "discoverable" by design (e.g. PCI buses or USB buses) while some is not (notably memory mapped peripherals). In the latter...
This article originally appeared in Circuit Celler.
COM ports have long provided a convenient way for PCs and embedded systems to exchange information. The traditional COM port on a PC is an RS-232 serial port on a mothe...