September 2016
Intermediate to advanced
989 pages
24h 10m
English
Content preview from Embedded Linux for DevelopersBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Working with the Linux framebuffer
The Linux kernel provides an abstraction for the graphical hardware in the form of framebuffer devices. These allow applications to access the graphics hardware through a well-defined API. The framebuffer is also used to provide a graphical console to the Linux kernel, so that it can, for example, display colors and a logo.
In this recipe, we will explore how applications can use the Linux framebuffer to display graphics and video.
Getting ready
Some applications, especially in embedded devices, are able to access the framebuffer by mapping the memory and accessing it directly. For example, the gstreamer framework is able to work directly over the framebuffer, as is the Qt graphical framework.
Qt is a cross-platform ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.