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Raspberry Pi Computer Architecture Essentials

You're reading from Raspberry Pi Computer Architecture Essentials

Product type Book

Published in Mar 2016

Publisher

ISBN-13 9781784397975

Pages 232 pages

Edition 1st Edition

Languages

Concepts

Computer Architecture

Authors (2):

Andrew K. Dennis

Teemu O Pohjanlehto

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Table of Contents (18) Chapters

Raspberry Pi Computer Architecture Essentials

Credits

About the Author

About the Reviewer

www.PacktPub.com

Preface

1. Introduction to the Raspberry Pi's Architecture and Setup

2. Programming on Raspbian

3. Low-Level Development with Assembly Language

4. Multithreaded Applications with C/C++

5. Expanding on Storage Options

6. Low-Level Graphics Programming

7. Exploring the Raspberry Pi's GPIO Pins

8. Exploring Sound with the Raspberry Pi 2

9. Building a Web Server

10. Integrating with Third-Party Microcontrollers

11. Final Project

Index

C and ALSA

In addition to using Python, we can also use the C programming language for writing audio applications that leverage ALSA.

Before we begin to write code, we need to install and compile some C programming libraries.

These are libasound2 and its development counterpart libasound2-dev. Install them using the following command:

sudo apt-get install gcc libasound2 libasound2-dev

The libasound2 library contains the shared library for the ALSA application. The next library, libasound-dev, is the libasound library's development file counterpart. You will often see –dev versions of packages in Linux, as they contain the headers related to a library's interface.

We are now ready to write our C application. This will check which version of ALSA is installed. The idea behind this program is to introduce you to how to import the necessary library into your program. Once you understand this, you can then implement the example C programs from the ALSA website.

Navigate to the c_programs directory...

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Authors (2)

Andrew K. Dennis

Andrew K. Dennis is a full stack and cybersecurity architect with over 17 years' experience who currently works for Modus Create in Reston, VA. He holds two undergraduate degrees in software engineering and creative computing and a master's degree in information security. Andy has worked in the US, Canada, and the UK in software engineering, e-learning, data science, and cybersecurity across his career, and has written four books on IoT, the Raspberry Pi, and supercomputing. His interests range from the application of pataphysics in computing to security threat modeling. Andy lives in New England and is an organizer of Security BSides CT.

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Teemu O Pohjanlehto

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