Book Image

BeagleBone Black Cookbook

Book Image

BeagleBone Black Cookbook

Overview of this book

There are many single-board controllers and computers such as Arduino, Udoo, or Raspberry Pi, which can be used to create electronic prototypes on circuit boards. However, when it comes to creating more advanced projects, BeagleBone Black provides a sophisticated alternative. Mastering the BeagleBone Black enables you to combine it with sensors and LEDs, add buttons, and marry it to a variety of add-on boards. You can transform this tiny device into the brain for an embedded application or an endless variety of electronic inventions and prototypes. With dozens of how-tos, this book kicks off with the basic steps for setting up and running the BeagleBone Black for the first time, from connecting the necessary hardware and using the command line with Linux commands to installing new software and controlling your system remotely. Following these recipes, more advanced examples take you through scripting, debugging, and working with software source files, eventually working with the Linux kernel. Subsequently, you will learn how to exploit the board's real-time functions. We will then discover exciting methods for using sound and video with the system before marching forward into an exploration of recipes for building Internet of Things projects. Finally, the book finishes with a dramatic arc upward into outer space, when you explore ways to build projects for tracking and monitoring satellites.
Table of Contents (16 chapters)
BeagleBone Black Cookbook
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

Debug a simple C-code application from the command line using GDB


GDB is frequently used to dig into problems you may have with a C or C++ program that you may have written. Alternatively, you can run GDB to debug an executable or binary. In this section, we will perform the former.

One of the most typical entry points to understand how to debug using GDB is by running simple examples of executables written in C or C++. Many of the software resources available for developing on hardware platforms such as BeagleBone Black, commonly rely on C or C++. These are the core, low-level (and mid-level) languages needed for deep manipulation of the machinery. Indeed, most of the binaries that you will often load to your BBB are written in one or both of these two languages. They also serve as a vital bridge between high-level and low-level programming, which we will see in later chapters.

If you are already an Arduino user or even a Raspberry Pi developer, this is old news because you already know that...