Search icon CANCEL
Subscription
0
Cart icon
Your Cart (0 item)
Close icon
You have no products in your basket yet
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Conferences
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
GNU/Linux Rapid Embedded Programming

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

Arrow left icon
Product type Paperback
Published in Mar 2017
Publisher Packt
ISBN-13 9781786461803
Length 732 pages
Edition 1st Edition
Languages
Arrow right icon
Author (1):
Arrow left icon
Rodolfo Giometti Rodolfo Giometti
Author Profile Icon Rodolfo Giometti
Rodolfo Giometti
Arrow right icon
View More author details
Toc

Table of Contents (20) Chapters Close

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

The wireless tools

These tools are a collection of user-space utilities written to support the configuration of the WLAN devices and some related aspects of networking using the Linux Wireless Extension.

Note

The Linux Wireless Extension is a generic API that allows a driver to expose to the user-space configuration and statistics specific to common WLAN devices. Further information on this topic can be accessed at:  http://www.labs.hpe.com/personal/Jean_Tourrilhes/Linux/Tools.html .

They are held in the wireless-tools package, and they should be already installed in the Wandboard (otherwise, we can install them as usual).

One of the most important tools of this collection is iwconfig, which is used to manipulate the basic wireless parameters. As reported in the command's description, the iwconfig command is very similar to ifconfig. In fact, it can be used in a similar manner to get basic information of our WLAN, as shown here:

root@wb:~# iwconfig wlan0
wlan0     IEEE 802.11abgn ...
lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at $19.99/month. Cancel anytime
Banner background image