About This Book
This chapter includes:
The Building Embedded Systems guide is intended for developers who are building embedded systems that will run under the QNX Neutrino RTOS.
|QNX Neutrino runs on several processor families (e.g. PowerPC, MIPS, ARM, SH-4, x86). For information on getting started with Neutrino on a particular board, refer to the appropriate BSP (Board Support Package) documentation for your board.|
This guide is organized around these main topics:
|Getting the big picture||Overview of Building Embedded Systems|
|Getting started with your board support package||Working with a BSP|
|Making an image||Making an OS Image|
|Preparing your target||Writing an IPL Program;
Customizing Image Startup Programs;
Customizing the Flash Filesystem;
|Dealing with hardware issues||System Design Considerations|
|How to package a BSP that you've developed||Packaging a Board Support Package|
|Terms used in QNX docs||Glossary|
|We assume that you've already installed QNX Neutrino and that you're familiar with its architecture. For a detailed overview, see the System Architecture manual.|
If you plan to use the Photon microGUI in your embedded system, refer to the "Photon in Embedded Systems" appendix in the Photon Programmer's Guide.
Throughout this manual, we use certain typographical conventions to distinguish technical terms. In general, the conventions we use conform to those found in IEEE POSIX publications. The following table summarizes our conventions:
|Code examples||if( stream == NULL )|
|File and pathnames||/dev/null|
|Keyboard input||something you type|
|Programming data types||unsigned short|
|Programming literals||0xFF, "message string"|
We use an arrow (-->) in directions for accessing menu items, like this:
You'll find the Other... menu item under.
We use notes, cautions, and warnings to highlight important messages:
|Notes point out something important or useful.|
|Cautions tell you about commands or procedures that may have unwanted or undesirable side effects.|
|Warnings tell you about commands or procedures that could be dangerous to your files, your hardware, or even yourself.|
In our documentation, we use a forward slash (/) as a delimiter in all pathnames, including those pointing to Windows files.
We also generally follow POSIX/UNIX filesystem conventions.
At the top and bottom of our HTML docs, you'll see some or all of these buttons:
|Use this button:||To move:|
|To the previous part of the document.|
|"Up" in the document:
|To the keyword index.|
|To the next part of the document.|
To obtain technical support for any QNX product, visit the Support + Services area on our website (www.qnx.com). You'll find a wide range of support options, including community forums.
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