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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

Chapter 8. Exploring Sound with the Raspberry Pi 2

In this chapter we will explore generating audio on the Raspberry Pi. This will include:

Sound on the Raspberry Pi
Interacting with the GPIO pins
Writing applications in Python and C
Generative composition and live coding with Sonic Pi

We will first learn how to configure the Raspberry Pi to switch between either the analogue or digital (HDMI) sound outputs.

Following this, we will discover how we can use the GPIO pins to provide input for playing sounds on the Raspberry Pi via Python. This will introduce us to ALSA. ALSA stands for Advanced Linux Sound Architecture and provides audio and MIDI support to Raspbian.

After looking at audio via Python, we will then move on to see how ALSA is implemented in C and how programs can be written that incorporate it.

Our final exploration of sound on the Raspberry Pi will lead us to Sonic Pi. You will discover how you can write scripts in the GUI that play a variety of sounds and ultimately allow you to construct...

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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.

See other products by Andrew K. Dennis

Teemu O Pohjanlehto

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