Raspberry Pi Stack Exchange
Raspberry Pi Stack Exchange

Questions tagged [framebuffer]

A framebuffer is a memory buffer that contains a bitmap to be driven to a video display.

53 questions
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How can I refresh image displayed by fbi without black screen transition?

I'm using framebuffer image viewer fbi to display an image on a TV. Everything works fine for one image, if I don't refresh it. But when I need to refresh it, there is ~2 seconds of black screen (I presume while the process takes over the interface…
Sergey
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gstreamer video output on pi framebuffer without X

I am running the latest Jessie image on my pi2 B. I have gstreamer-1.0 installed with gstreamer omx plugins. gst-inspect confirms the omx plugins are installed. I am not using the X server and need to output directly to the hdmi…
Dan
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How to display graphical text without X using C?

Using the Raspberry Pi 2 with the official 7" touchscreen, I want to display some high quality text without using an Xorg server. I'm looking for APIs that provide simple functions such as: Render_text ("hello", x,y, blue, size, "nicefontX"); Such…
Zogger
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Can I run the RPI driver in ArchLnux?

The RPI driver perports (source) to bring accelerated Xorg performance by routing X output through a frame buffer driver. The wiki page has clear instructions, but they are very specific to Raspbian, including untaring files on top of the root file…
Caleb
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4
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2 answers

Enable 2 screens on raspberry pi2

I just got official raspberry pi lcd screen and it work perfectly. However, once the screen connected I cannot run the HDMI screen. I was looking at framebuffer and I thought there will be something like fb0 and fb1 so I will run the X server on…
Mero
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2 answers

Recover Console Text Output after Using fbi App to display image on /dev/fb0

I am not using X and I'm using fbi to display an image on the /dev/fb0 framebuffer device. When I boot up my Pi, I see all the usual text and it boots up to where I can log in on the console. After I use fbi like this: fbi -T 2 -d /dev/fb0 -a…
PhilBot
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3
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Conflicting dtoverlays and framebuffer

I have a RPi3 with latest standard kernel. I am making use of spi1. In config.txt I have the line: dtoverlay=spi1-3cs. I have 2 ADC's connected to spi1 and all seems fine, using an HDMI screen to monitor. I now want to reconnect a 2.4" touchscreen…
clive104
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Has anyone managed to get SDL 2/3 working, without X, in Raspbian?

I have Raspbian Jessie running on my Pi2. I am currently booting into LXDE. I want to disable X and run my SDL code directly on the framebuffer. Can someone point me to where I can find more information on how to do this? P.S. I can see that I can…
sparkymat
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3
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How to run X server without LXDE?

I would like to run a "naked" X server (using a framebuffer for output) on the Pi. However, startx will also start LXDE, just as startlxde and startlxde-pi do, and I cannot find a way to get around that. (LXDE does work fine with the framebuffer and…
JimmyB
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Watterott RPi-Display TFT no output

since a few days I'm a proud owner of a RPi Model B+ and a 2,8" RPi-Display from Watterott. HDMI output works fine, I am using a preinstalled Raspbian that boots into desktop. I followed this tutorial to set up the display. As soon as I get to…
Ti Hausmann
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Disable bcm2708_fb, the HDMI framebuffer device

I need to disable the framebuffer running on /dev/fb0 via the bcm2708_fb kernel module (reason: some tool I use must run on /dev/fb0 and I need my small TFT to be just that - fb0). Disabling bcm2708_fb in the kernel leads to a few errors during…
Christian
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3
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Show higher resolution on small screen (scale down)

I am using the PiTFT by Adafruit (see product page). It connects as a framebuffer device with 320x240px. I do not need to say that this is a bit low to display full web pages. Is there a way to create a kind of virtual display that displays…
SiLeX
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Problem using vlc without X

After having used OMXPlayer for many years, I am now trying to install vlc for command line on a Raspberry Pi B+ (Buster Lite) without X: sudo apt-get update sudo apt-get upgrade sudo apt-get install vlc-bin Testing vlc with cvlc…
Eddy Sorngard
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How can I write an image to the RPI4 framebuffer in Raspbian Lite?

I can manage my own wallpaper on the RPI3 in Raspbian Lite by writing an image directly to the framebuffer with.. convert /path/to/image.jpg -write bgra:/dev/fb0 null: Running fbset I get the following framebuffer info on the RPI3 for my television…
user46034
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2 answers

Display a test pattern by writing the Frame Buffer and then clear it

I'm wondering if the following is possible: I would like to display a test pattern on my Raspberry Pi and then clear it while going back to the original display. Thanks Low-Level Graphics on the Raspberry Pi, writing into the Frame Buffer is easy.…
GrandAdmiral
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