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Linux Device Drivers 3 examples updated to work in recent kernels

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martinezjavier/ldd3

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README.md

ldd3: Linux Device Drivers 3 examples updated to work with recent kernels

Linux Device Drivers 3 (http://lwn.net/Kernel/LDD3/) book is now a few years old and most of the example drivers do not compile in recent kernels.

This project aims to keep LDD3 example drivers up-to-date with recent kernels.

The example drivers should compile against latest Linus Torvalds kernel tree:

To compile the drivers against a specific tree (for example Linus tree):

$ git clone git://github.com/martinezjavier/ldd3.git $ git clone git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git $ export KERNELDIR=/path/to/linux $ cd ldd3 $ make 

Latest Tested Kernel Builds

The kernel builds below are the versions most recently tested/supported

• Ubuntu 18.04 kernel as of July 2020: 5.4.0-42-generic
• Ubuntu 20.04 kernel as of July 2021: 5.4.0-73-generic
• Yocto poky warrior branch kernel for qemu aarch64 builds: 5.0.19
• Yocto poky hardknott branch kernel for qemu aarch64 builds: 5.10.46
• Buildroot 2019.05 kernel for qemu builds: 4.9.16
• Buildroot 2021.02 kernel for qemu builds: 5.10
• Alpine 3.13 kernel as of May 2021: 5.10.29-lts, see here for detail.

———4 Eclipse CDT integration is provided by symlinking the correct linux source directory with the ./linux_source_cdt symlink. The .project and .cproject files were setup using instructions in this link and assuming a symlink is setup in the local project directory to point to relevant kernel headers

This can be done on a system with kernel headers installed using:

ln -s /usr/src/linux-headers-`uname -r`/ linux_source_cdt 

About

Linux Device Drivers 3 examples updated to work in recent kernels

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Linux Device Drivers 3rd Edition V413HAV torrent

Book Description
Device drivers literally drive everything you’re interested in–disks, monitors, keyboards, modems–everything outside the computer chip and memory. And writing device drivers is one of the few areas of programming for the Linux operating system that calls for unique, Linux-specific knowledge. For years now, programmers have relied on the classic Linux Device Drivers from O’Reilly to master this critical subject. Now in its third edition, this bestselling guide provides all the information you’ll need to write drivers for a wide range of devices.

Over the years the book has helped countless programmers learn:

— how to support computer peripherals under the Linux operating system
— how to develop and write software for new hardware under Linux
— the basics of Linux operation even if they are not expecting to write a driver

The new edition of Linux Device Driversis better than ever. The book covers all the significant changes to Version 2.6 of the Linux kernel, which simplifies many activities, and contains subtle new features that can make a driver both more efficient and more flexible. Readers will find new chapters on important types of drivers not covered previously, such as consoles, USB drivers, and more.

Table of Contents
Chapter 1. An Introduction to Device Drivers
Chapter 2. Building and Running Modules
Chapter 3. Char Drivers
Chapter 4. Debugging Techniques
Chapter 5. Concurrency and Race Conditions
Chapter 6. Advanced Char Driver Operations
Chapter 7. Time, Delays, and Deferred Work
Chapter 8. Allocating Memory
Chapter 9. Communicating with Hardware
Chapter 10. Interrupt Handling
Chapter 11. Data Types in the Kernel
Chapter 12. PCI Drivers
Chapter 13. USB Drivers
Chapter 14. The Linux Device Model
Chapter 15. Memory Mapping and DMA
Chapter 16. Block Drivers
Chapter 17. Network Drivers
Chapter 18. TTY Drivers
Chapter 19. Bibliography

Book Details
Paperback: 640 pages
Publisher: O’Reilly Media; 3rd Edition (February 2005)
Language: English
ISBN-10: 0596005903
ISBN-13: 978-0596005900

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Linux Device Drivers Development, published by Packt

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PacktPublishing/Linux-Device-Drivers-Development

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README.md

Linux Device Drivers Development

This is the code repository for Linux Device Drivers Development, published by Packt. It contains all the supporting project files necessary to work through the book from start to finish.

Instructions and Navigation

All of the code is organized into folders. Each folder starts with a number followed by the application name. For example, Chapter02.

The code will look like the following:

Linux kernel is a complex, portable, modular and widely used piece of software, running on around 80% of servers and embedded systems in more than half of devices throughout the World. Device drivers play a critical role in how well a Linux system performs. As Linux has turned out to be one of the most popular operating systems used, the interest in developing proprietary device drivers is also increasing steadily.

This book will initially help you understand the basics of drivers as well as prepare for the long journey through the Linux Kernel. This book then covers drivers development based on various Linux subsystems such as memory management, PWM, RTC, IIO, IRQ management, and so on. The book also offers a practical approach on direct memory access and network device drivers.

By the end of this book, you will be comfortable with the concept of device driver development and will be in a position to write any device driver from scratch using the latest kernel version (v4.13 at the time of writing this book).

msleep(2000); wake_up_interruptible(&my_data->my_wq); 

should include an extra line of code in between as shown here:

msleep(2000); sleep = 1; wake_up_interruptible(&my_data->my_wq); 

If you have already purchased a print or Kindle version of this book, you can get a DRM-free PDF version at no cost.
Simply click on the link to claim your free PDF.

About

Linux Device Drivers Development, published by Packt

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