Embedded Linux Primer: A Practical Real-World Approach (2nd Edition)

By Christopher Hallinan

Up-to-the-Minute, whole assistance for constructing Embedded strategies with Linux

 

Linux has emerged as today’s number one working method for embedded items. Christopher Hallinan’s Embedded Linux Primer has confirmed itself because the definitive real-world advisor to development effective, high-value, embedded structures with Linux. Now, Hallinan has completely up to date this hugely praised ebook for the most recent Linux kernels, services, instruments, and help, together with complicated multicore processors.

 

Drawing on greater than a decade of embedded Linux event, Hallinan is helping you speedily climb the educational curve, no matter if you’re relocating from legacy environments or you’re new to embedded programming. Hallinan addresses today’s most crucial improvement demanding situations and demonstrates tips on how to resolve the issues you’re probably to come across.

You’ll how one can construct a latest, effective embedded Linux improvement atmosphere, after which put it to use as productively as attainable. Hallinan deals up to date tips on every thing from kernel configuration and initialization to bootloaders, equipment drivers to dossier platforms, and BusyBox utilities to real-time configuration and approach research. This variation provides completely new chapters on UDEV, USB, and open resource construct structures.

 

  • Tour the common embedded procedure and improvement setting and comprehend its innovations and components.
  • Understand the Linux kernel and userspace initialization processes.
  • Preview bootloaders, with particular emphasis on U-Boot.
  • Configure the reminiscence know-how units (MTD) subsystem to interface with flash (and different) reminiscence devices.
  • Make the main of BusyBox and newest open resource improvement tools.
  • Learn from multiplied and up-to-date insurance of kernel debugging.
  • Build and examine real-time structures with Linux.
  • Learn to configure gadget documents and driving force loading with UDEV.
  • Walk via specific assurance of the USB subsystem.
  • Introduces the newest open resource embedded Linux construct systems.
  • Reference appendices contain U-Boot and BusyBox commands.

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Incorporated is an creation to utilizing JTAG debuggers and a few assistance for interpreting mess ups whilst the kernel won’t boot. bankruptcy 15, “Debugging Embedded Linux Applications,” strikes the debugging context from the kernel for your software courses. We proceed to construct at the gdb examples from the former chapters, and we current thoughts for multithreaded and multiprocess debugging. bankruptcy sixteen, “Open resource construct Systems,” replaces the kernel porting bankruptcy from the first version. That bankruptcy had turn into hopelessly outmoded, and correct therapy of that subject in glossy kernels may take a booklet of its personal. i feel you may be happy with the recent bankruptcy sixteen, which covers the preferred construct platforms to be had for development whole embedded Linux distributions. between different structures, we introduce OpenEmbedded, a construct method that has won significant traction in advertisement and different open resource tasks. bankruptcy 17, “Linux and actual Time,” introduces one of many extra attention-grabbing demanding situations in embedded Linux: configuring for genuine time through the PREEMPT_RT choice. We conceal the good points to be had with RT and the way they are often utilized in a layout. We additionally current options for measuring latency on your software configuration. bankruptcy 18, “Universal Serial Bus,” describes the USB subsystem in easy-tounderstand language. We introduce options and USB topology after which current numerous examples of USB configuration. We take a close examine the position of sysfs and USB that will help you comprehend this robust facility. We additionally current numerous instruments which are priceless for knowing and troubleshooting USB. bankruptcy 19, “udev,” takes the secret out of this robust method configuration application. We research udev’s default habit as a origin for figuring out how obtain at www. wowebook. com xxxii Embedded Linux Primer, moment variation to customise it. numerous real-world examples are offered. For BusyBox clients, we learn BusyBox’s mdev software. The appendixes hide the GNU Public License, U-Boot configurable instructions, BusyBox instructions, SDRAM interface issues, assets for the open resource developer, and a pattern configuration file for one of many extra renowned JTAG debuggers, the BDI-2000. keep on with alongside you'll benefit such a lot from this publication for those who can divide some time among this booklet and your favourite Linux notebook. seize an outdated x86 desktop to test on an embedded method. Even higher, in case you have entry to a single-board computing device in response to one other structure, use that. The BeagleBoard makes an outstanding lowcost platform for experimentation. a number of examples during this e-book are in line with that platform. you'll benefit from studying the structure and association of a truly huge code base (the Linux kernel), and you may achieve significant wisdom and adventure as you poke round the kernel and research via doing. examine the code and check out to appreciate the examples produced during this publication. scan with diversified settings, configuration concepts, and units. you could achieve a lot by way of wisdom, and in addition to, it’s a great deal of enjoyable.

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