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GNU/Linux Rapid Embedded Programming

You're reading from GNU/Linux Rapid Embedded Programming Your one-stop solution to embedded programming on GNU/Linux

Product type Paperback

Published in Mar 2017

Publisher Packt

ISBN-13 9781786461803

Length 732 pages

Edition 1st Edition

Languages

C

Tools

Embedded Systems

Concepts

System Programming

Author (1):

Rodolfo Giometti

View More author details

Table of Contents (20) Chapters

Preface

1. Installing the Developing System FREE CHAPTER

2. Managing the System Console

3. C Compiler, Device Drivers, and Useful Developing Techniques

4. Quick Programming with Scripts and System Daemons

5. Setting Up an Embedded OS

6. General Purposes Input Output signals – GPIO

7. Serial Ports and TTY Devices - TTY

8. Universal Serial Bus - USB

9. Inter-Integrated Circuits - I2C

10. Serial Peripheral Interface - SPI

11. 1-Wire - W1

12. Ethernet Network Device - ETH

13. Wireless Network Device - WLAN

14. Controller Area Network - CAN

15. Sound Devices - SND

16. Video devices - V4L

17. Analog-to-Digital Converters - ADC

18. Pulse-Width Modulation - PWM

19. Miscellaneous Devices

Summary

In this chapter we learnt about the I²C bus and how we can use specific Linux device drivers to access I²C devices of different kinds. We discovered how to enable them by using a proper DTS file or directly form the user-space. We also explored how we could write our own I²C driver as a user-space application in both C or Python languages.

However, even if the I²C bus is widely used in every embedded computer and a large variety of I²C peripherals exist, another on-board bus can be found on most systems, that is the SPI bus and its devices, so it's time to go to the next chapter.

The rest of the chapter is locked

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Authors (1)

Rodolfo Giometti

Rodolfo Giometti

Rodolfo Giometti is an engineer, IT specialist, GNU/Linux expert and software libre evangelist. He is the author of the books BeagleBone Essentials, BeagleBone Home Automation Blueprints and GNU/Linux Rapid Embedded Programming by Packt Publishing and maintainer of the LinuxPPS projects. He still actively contributes to the Linux source code with several patches and new device drivers for industrial applications devices. During his 20+ years of experience, he has worked on the x86, ARM, MIPS, and PowerPC-based platforms. Now, he is the co-chief at HCE Engineering S.r.l., where he designs new hardware and software systems for the quick prototyping in industry environment, control automation, and remote monitoring.

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