Mastering linux device driver development

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Linux Device Driver Development — Second Edition, published by Packt

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README.md

Linux Device Driver Development-Second Edition

This is the code repository for Linux Device Driver Development-Second Edition, published by Packt.

Everything you need to start with device driver development for Linux kernel and embedded Linux

Linux is by far the most-used kernel on embedded systems. Thanks to its subsystems, the Linux kernel supports almost all of the application fields in the industrial world. This updated second edition of Linux Device Driver Development is a comprehensive introduction to the Linux kernel world and the different subsystems that it is made of, and will be useful for embedded developers from any discipline.

This book covers the following exciting features:

• Download, configure, build, and tailor the Linux kernel
• Describe the hardware using a device tree
• Write feature-rich platform drivers and leverage I2C and SPI buses
• Get the most out of the new concurrency managed workqueue infrastructure
• Understand the Linux kernel timekeeping mechanism and use time-related APIs
• Use the regmap framework to factor the code and make it generic
• Offload CPU for memory copies using DMA
• Interact with the real world using GPIO, IIO, and input subsystems

If you feel this book is for you, get your copy today!

Instructions and Navigations

All of the code is organized into folders. For example, Chapter02.

The code will look like the following:

Following is what you need for this book: This Linux OS book is for embedded system and embedded Linux enthusiasts/developers who want to get started with Linux kernel development and leverage its subsystems. Electronic hackers and hobbyists interested in Linux kernel development as well as anyone looking to interact with the platform using GPIO, IIO, and input subsystems will also find this book useful.

With the following software and hardware list you can run all code files present in the book (Chapter 1-17).

Software and Hardware List

Chapter	Software required	OS required
1-17	A computer with good network bandwidth and enough space and RAM to download and build Linux kernel	Preferably any Debian distribution
1-17	Any cortex -A embedded board available on market (for example UDOO quad, Jetson nano, Rasberry Pi, Beagle bone	Either a yocto/Buildroot ditribution or any embedded or vendor-specific OS (for example Rasbian for Rasberry Pi)

We also provide a PDF file that has color images of the screenshots/diagrams used in this book. Click here to download it.

• Page 45 (Paragraph 5, line 2,3): modeprob -r should be modprob -r
• Page 48 (Paragraph 2, line 8): if(wite(fd, buf, 1) < 0) < should be if(write(fd, buf, 1) < 0)

John Madieu is an embedded Linux and kernel engineer living in Paris, France. His main activity consists of developing device drivers and Board Support Packages (BSPs) for companies in domains including IoT, automation, transport, healthcare, energy, and the military. John is the founder and chief consultant of LABCSMART, a company that provides training and services for embedded Linux and Linux kernel engineering. He is an open source and embedded systems enthusiast, convinced that it is only by sharing knowledge that we can learn more. He is passionate about boxing, which he practiced for 6 years professionally, and continues to channel this passion through training sessions that he provides voluntarily.

Other books by the author

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 Driver Development — Second Edition, published by Packt

Источник

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Linux Device Driver Development — Second Edition, published by Packt

License

jonathancagua/Lecturas-dd

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README.md

Linux Device Driver Development-Second Edition

This is the code repository for Linux Device Driver Development-Second Edition, published by Packt.

Everything you need to start with device driver development for Linux kernel and embedded Linux

Linux is by far the most-used kernel on embedded systems. Thanks to its subsystems, the Linux kernel supports almost all of the application fields in the industrial world. This updated second edition of Linux Device Driver Development is a comprehensive introduction to the Linux kernel world and the different subsystems that it is made of, and will be useful for embedded developers from any discipline.

This book covers the following exciting features:

• Download, configure, build, and tailor the Linux kernel
• Describe the hardware using a device tree
• Write feature-rich platform drivers and leverage I2C and SPI buses
• Get the most out of the new concurrency managed workqueue infrastructure
• Understand the Linux kernel timekeeping mechanism and use time-related APIs
• Use the regmap framework to factor the code and make it generic
• Offload CPU for memory copies using DMA
• Interact with the real world using GPIO, IIO, and input subsystems

If you feel this book is for you, get your copy today!

Instructions and Navigations

All of the code is organized into folders. For example, Chapter02.

The code will look like the following:

Following is what you need for this book: This Linux OS book is for embedded system and embedded Linux enthusiasts/developers who want to get started with Linux kernel development and leverage its subsystems. Electronic hackers and hobbyists interested in Linux kernel development as well as anyone looking to interact with the platform using GPIO, IIO, and input subsystems will also find this book useful.

With the following software and hardware list you can run all code files present in the book (Chapter 1-17).

Software and Hardware List

Chapter	Software required	OS required
1-17	A computer with good network bandwidth and enough space and RAM to download and build Linux kernel	Preferably any Debian distribution
1-17	Any cortex -A embedded board available on market (for example UDOO quad, Jetson nano, Rasberry Pi, Beagle bone	Either a yocto/Buildroot ditribution or any embedded or vendor-specific OS (for example Rasbian for Rasberry Pi)

We also provide a PDF file that has color images of the screenshots/diagrams used in this book. Click here to download it.

John Madieu is an embedded Linux and kernel engineer living in Paris, France. His main activity consists of developing device drivers and Board Support Packages (BSPs) for companies in domains including IoT, automation, transport, healthcare, energy, and the military. John is the founder and chief consultant of LABCSMART, a company that provides training and services for embedded Linux and Linux kernel engineering. He is an open source and embedded systems enthusiast, convinced that it is only by sharing knowledge that we can learn more. He is passionate about boxing, which he practiced for 6 years professionally, and continues to channel this passion through training sessions that he provides voluntarily.

Other books by the author

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 Driver Development — Second Edition, published by Packt

Источник

Mastering Linux Device Driver Development

Linux is one of the fastest-growing operating systems around the world, and in the last few years, the Linux kernel has evolved significantly to support a wide variety of embedded devices with its improved subsystems and a range of new features. With this book, you’ll find out how you can enhance your skills to write custom device drivers for your Linux operating system.

Mastering Linux Device Drivers Development provides complete coverage of kernel topics, including video and audio frameworks, that usually go unaddressed. You’ll work with some of the most complex and impactful Linux kernel frameworks, such as PCI, ALSA for SoC, and Video4Linux2, and discover expert tips and best practices along the way. In addition to this, you’ll understand how to make the most of frameworks such as NVMEM and Watchdog. Once you’ve got to grips with Linux kernel helpers, you’ll advance to working with special device types such as Multi-Function Devices (MFD) followed by video and audio device drivers.

• Explore and adopt Linux kernel helpers for locking, work deferral, and interrupt management
• Understand the Regmap subsystem to manage memory accesses and work with the IRQ subsystem
• Get to grips with the PCI subsystem and write reliable drivers for PCI devices
• Write full multimedia device drivers using ALSA SoC and the V4L2 framework
• Build power-aware device drivers using the kernel power management framework
• Find out how to get the most out of miscellaneous kernel subsystems such as NVMEM and Watchdog

By the end of this Mastering Linux Device Driver Development book, you’ll be able to write feature-rich device drivers and integrate them with some of the most complex Linux kernel frameworks, including V4L2 and ALSA for SoC.

Источник