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2 votes
1 answer
2k views

How to stream the linux framebuffer as video over http

I have an embedded linux system (yocto based) with a framebuffer UI (no X11) and a running web server. Now I'm asking how to "mirror" the screen contents to a web page. Think of it like a ...
Philippos's user avatar
  • 13.5k
1 vote
1 answer
435 views

Displaying a picture on the framebuffer while running a script created with dialog

I have setup scripts that use the dialog command. They are used to prepare embedded servers. I'd like to display a picture on a edge while a dialog script is running. The problem is, that dialog by ...
Hans Müller's user avatar
2 votes
0 answers
784 views

Xfbdev not found after including X (tinyx/kdrive) in Buildroot

I'm trying to add Xorg to an evaluation board for which I've already been provided with a working linux kernel. The evaluation board has an LCD display and I can confirm hardware & drivers are ...
Maldus's user avatar
  • 209
1 vote
0 answers
460 views

Embedded linux - USB framebuffer device mounting

I have a embedded system which consists of a usb framebuffer display, and a customized embedded linux (3.10.59) box running Busybox (1.21.1). There is software running a application which utilizes ...
Stonie's user avatar
  • 155
3 votes
0 answers
307 views

Minimalistic Framebuffer showing text and progress only

I have an embedded linux system with framebuffer only. Normally a Qt Application is running. During update situation the application is stoped and I would like to use the framebuffer device to show ...
Martin H.'s user avatar
  • 181
4 votes
1 answer
3k views

what is the difference between (linux) framebuffer and GPU's memory?

what is the difference between a Linux or software-controlled framebuffer and a GPU memory? Is there any good pictorial guide to explain how Linux framebuffer works? On an embedded board with GPU, do ...
rainfrost's user avatar
  • 387
6 votes
0 answers
1k views

Is there some way of simulating a framebuffer device?

I'm starting to write a small software that I intend to run on embedded linux, and I want to draw the GUI using a framebuffer device. However, since I want to be able to test the software on my ...
Kotte's user avatar
  • 2,537
2 votes
0 answers
467 views

Specify Virtual Size using DRM with Frambuffer Emulation

I am attempting make use of double buffering on an AM335x processor. We have an example running on a demo image that was not created by us. I am working on putting together our own image using ...
Matt Minga's user avatar
1 vote
0 answers
432 views

Tegra Mesa GLES without X

I am trying to setup a Tegra 3 (Toradex Apalis T30) based system that will have an OpenGL ES based user interface on a touch screen. Unfortunately the standard Linux4Tegra kernel is seriously outdated ...
Gerharddc's user avatar
  • 325
3 votes
0 answers
659 views

redirecting output of /dev/fb0 to /dev/fb2

I am using IMX6 Saberauto board on Linux OS. I have 2 displays primary is HDMI and secondary is LVDS. I want to run 2 applications. One QT on primary display, which I am able to do. Second ...
user3818847's user avatar
  • 1,181
3 votes
1 answer
5k views

What is the easiest way to draw graphics on Linux framebuffer?

I have some embedded Linux ARM chip with LCD display on frame-buffer. I connect to chip with serial console. I can access frame-buffer directly with low-level commands. However I need to draw some ...
IBr's user avatar
  • 1,775
7 votes
1 answer
630 views

Embedded linux LCD not calibrated

I have attached a new LCD to my embedded Linux device and when I run the system I found that it is shifted to the right. (the display starts from the middle of the LCD) I found 2 frame buffer drivers ...
gsk's user avatar
  • 83