Rabu, 17 Juli 2013

Ebook Embedded FreeBSD Cookbook (Embedded Technology), by Paul Cevoli

Ebook Embedded FreeBSD Cookbook (Embedded Technology), by Paul Cevoli

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Embedded FreeBSD Cookbook (Embedded Technology), by Paul Cevoli

Embedded FreeBSD Cookbook (Embedded Technology), by Paul Cevoli


Embedded FreeBSD Cookbook (Embedded Technology), by Paul Cevoli


Ebook Embedded FreeBSD Cookbook (Embedded Technology), by Paul Cevoli

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Embedded FreeBSD Cookbook (Embedded Technology), by Paul Cevoli

Book Description

Covers all the fundamentals, and provides sample code for most of the major software components of a typical embedded system.

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From the Back Cover

*Provides numerous examples of system software with source code and debugging techniques that can provide starting points for your own designs *Covers core operating system components, processes and process scheduling, system booting, virtual memory, device drivers, debugging, and much more Embedded systems software and hardware engineers will welcome this "cookbook" with recipes for writing embedded software using the popular FreeBSD operating system. Most of the technical information about FreeBSD is scattered and hard to find. The book, with its accompanying software, solves that problem as it walks the reader through portions of the kernel relevant to embedded systems programming. User-level code is provided to illustrate concepts discussed in the text. Debugging tips and techniques are also provided. The FreeBSD operating system has become a popular OS choice for embedded systems due to its small size and the fact that it is free to users. However, detailed information on using FreeBSD is difficult to find. Author Paul Cevoli, an experienced embedded systems engineer, answers that need in this cookbook aimed at making life easier for engineers working with FreeBSD. Topics covered in the book include core operating system components, processes, process scheduling, virtual memory, device drivers and debugging, as these are the core features necessary for embedded system developers. Each chapter discusses basic components of FreeBSD, device drivers, Unix kernel, and C and GNU development tools, and provides the reader with the information needed to accomplish the stated task, along with sample source code.

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Product details

Series: Embedded Technology

Paperback: 233 pages

Publisher: Newnes (December 10, 2002)

Language: English

ISBN-10: 9781589950047

ISBN-13: 978-1589950047

ASIN: 1589950046

Product Dimensions:

7 x 0.6 x 9.2 inches

Shipping Weight: 15.5 ounces

Average Customer Review:

2.9 out of 5 stars

4 customer reviews

Amazon Best Sellers Rank:

#5,670,944 in Books (See Top 100 in Books)

A complete waste of time and money. This book is misrepresented in what it claims to be about. It contains very little information specific to embedded FreeBSD.The author should have written much more about minimizing the kernel, limiting memory usage, device driver development, and flash storage issues - because these are the topics that are the most relevent to an embedded system. The discussion about using Tomcat, JSP, and JNI to provide web access to an embedded device - while important - is severely lacking.A good book about an embedded operating system will explore the problems and trade-offs that a systems developer will have to make. It would also discuss getting the OS to run on a single board computer - such as one of the devboards listed in the FreeBSD ARM project. This book does neither.

Very clear. No waste of time with useless listings.

When I skimmed 'Embedded FreeBSD Cookbook' (EFC) in the bookstore, I was impressed by the amount of general FreeBSD information it contained. Now that I've bought and read it, I'm glad this book caught my eye. Although EFC is somewhat dated by its use of FreeBSD 4.4 (released Sep 01), I learned more about about FreeBSD internals. I also gained insights into what is needed to create an embedded appliance from the ground up.EFC describes how the Measurement Computing company used FreeBSD 4.4 to create their Digital Input-Output (DIO) server appliance, built on a Network Engines 'Roadster' platform. The author explains the advantages of embedded systems and why it makes sense to construct them using open source software. He also defends the use of BSD-licensed software to build the DIO.The best aspect of the book was its direct nature and breadth of coverage. EFC addresses many topics in a clear and concise manner, including processes, daemons, system calls, and library usage. I found this direct and efficient approach a good way to become familiar with subjects covered in much greater depth by books like McKusick and Neville-Neil's 'The Design and Implementation of the FreeBSD Operating System.'On the downside, for a reader on the eve of 2005, the book is dated in several respects. EFC's use of FreeBSD 4.x means some of its material no longer applies to FreeBSD 5.x. For example, 5.x uses DEVFS in place of manual device node creation. System source code (like the cdevsw structure in bus_private.h) is often much different. Some code, like ch 2's explanation of forking, works on 4.x but not 5.x. The use of the Java JDK version 1.1.8 really dates the book, as well. Finally, several typos change the meaning of parts of the text. For example, p. 30 appears to show 'gcc -00' (two zeroes) when I believe it should be 'gcc -O0' (capital O, zero) to disable compiler optimizations. Below on the same page, objdump should be passed the '--disassemble' or the '-d' switch, not '-disassemble'.Overall, I still liked reading EFC. The book gave me plenty to consider, should I ever want to deploy an embedded appliance. Companies like St Bernard do use FreeBSD in their appliances, so perhaps an update by one of their developers would be in order?

I have several years of experience working on embedded Linux. I've bought this book, thinking it will help me better understand how to use BSD in an embedded env (like number of embedded linux books available). However, instead on focusing on the embedded side, this book simple describe how to wirte deamons, what's a system call etc. Read Steven's books if you need this kind of training.

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Embedded FreeBSD Cookbook (Embedded Technology), by Paul Cevoli PDF

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Embedded FreeBSD Cookbook (Embedded Technology), by Paul Cevoli PDF
Embedded FreeBSD Cookbook (Embedded Technology), by Paul Cevoli PDF

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