I keep forgetting the stuff and always start over when I have to reformat or the SD card breaks, so here’s a collection of useful tidbits when setting up and configuring a Pi. I’ll expand this page whenever new stuff pops up… Adding a root password When you try to su, you can’t when noContinue reading “Raspberry Pi setup / configuration stuff”
Category Archives: linux
Reading the OpenGL backbuffer to system memory
Sometimes you are in the need to read back the OpenGL backbuffer, or other framebuffers. In my case the question was how to read back a downsampled framebuffer resp. its texture to system memory. There are different methods for this and I wrote a small benchmark to test them on various systems. UPDATE #1: AContinue reading “Reading the OpenGL backbuffer to system memory”
Using an USB joystick or gamepad in XBMC on Ubuntu
Now I have those cheap USB gamepads, XBMC running, the ROM collection browser addon and MAME all set up. Awesome! But why can’t I navigate XBMC with my joystick to select games and adjust the volume etc?! Here’s how to solve that problem… 1. Prequisites First of all you need joystick support and some tools.Continue reading “Using an USB joystick or gamepad in XBMC on Ubuntu”
Setting up an Arduino + LPD8806 ambilight using boblight with XBMC on Ubuntu
An Ambilight is a great thing – if it works. I want to write about some of the hoops I had to jump through to make it work. This is very Linux-specific, but you might take away something for other configurations too… Here is the original adalight tutorial, which I used to get this workingContinue reading “Setting up an Arduino + LPD8806 ambilight using boblight with XBMC on Ubuntu”
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