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Key FeaturesLearn to develop customized Linux device driversLearn the core concepts of device drivers such as memory management, kernel caching, advanced IRQ management, and so on.Practical experience on the embedded side of LinuxBook Description
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).
What you will learnUse kernel facilities to develop powerful driversDevelop drivers for widely used I2C and SPI devices and use the regmap APIWrite and support devicetree from within your driversProgram advanced drivers for network and frame buffer devicesDelve into the Linux irqdomain API and write interrupt controller driversEnhance your skills with regulator and PWM frameworksDevelop measurement system drivers with IIO frameworkGet the best from memory management and the DMA subsystemAccess and manage GPIO subsystems and develop GPIO controller driversAbout the Author
John Madieu is an embedded Linux and kernel engineer living in France, in Paris. His main activities consist of developing drivers and Board Support Packages (BSP) for companies in domains such as automation, transport, healthcare, energy, and the military. John works at EXPEMB, a French company that is a pioneer in electronical board design based on computer-on-module, and in embedded Linux solutions. He is an open source and embedded systems enthusiast, convinced that it is only by sharing knowledge that one learns more.
He is passionate about boxing, which he practised for 6 years professionally, and continues to transmit this passion through sessions of training that he provides voluntarily.
Table of ContentsIntroduction to Kernel DevelopmentDevice Driver BasisKernel Facilities and Helper FunctionsCharacter Device DriversPlatform Device DriversThe Concept of Device TreeI2C Client DriversSPI Device DriversRegmap API – A Register Map AbstractionIIO Framework Kernel Memory Management DMA – Direct Memory AccessLinux Device ModelPin Control and GPIO SubsystemGPIO Controller Drivers – gpio_chipAdvanced IRQ ManagementInput Devices DriversRTC DriversPWM DriversRegulator Framework
ASIN : B073V4LKWN
Publisher : Packt Publishing; 1st edition (20 October 2017)
Language : English
File size : 4555 KB
Text-to-Speech : Enabled
Screen Reader : Supported
Enhanced typesetting : Enabled
X-Ray : Not Enabled
Word Wise : Not Enabled
Print length : 588 pages
