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OpenGL without X11 on Raspberry Pi 4 (Part 2)

The next step on my OpenGL without X11 journey was to get the samples from both the “OpenGL ES 2.0 Programming Guide” and “OpenGL ES 3.0 Programming Guide” working. This has now been achieved. The rest of this blog will

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OpenGL without X on Raspberry Pi 4 (Part 1)

Introduction Many people wanting to use OpenGL on a Raspberry Pi will be happy to boot into the graphical desktop and use OpenGL inside an X11 window. If you are new to graphics programming then these are not the blogs

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A premade libcec deb

I’ve run across people who are interested in using libcec and would prefer to get started as soon as possible rather than going down the compile it up route.  For those people, you can download gzipped deb files from http://www.owltra.com/libcec/index.html

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CEC 3.0.0 on the Raspberry Pi

UPDATE 20180123 This article is now years out of date.  you should simply be able to install the cec-utils package and all should be well. sudo apt-get update && sudo apt-get dist-upgrade sudo apt-get install cec-utils Background In a previous

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A simple libCEC example for the Raspberry Pi

UPDATE:  See A simple libCEC4 example for the Raspberry Pi for more up to date information. After getting the libcec test client (cec-client) to run my thoughts turned to incorporating CEC control into my own code.  The source code for cec-client is 1145

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CEC adventures on the Raspberry Pi

OUTDATED Previously I made available a precompiled version, a-premade-libcec-deb but don’t use it.  These days all you have to do is sudo apt install cec-utils And if you want to do development sudo apt install libcec4-dev And read my article on

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Text to speech on linux

My previous searching had led me to believe that the first stop for text to speech on linux is a program called “festival”. However after much more searching it seems that flite is the successor to festival. Example Usage: flite

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Compiling raspistill

Raspberry Flavoured Goodness I am working on a problem where I need to capture images with a camera and put them on a large screen.  The raspberry pi with its optional camera board, and a large screen TV are the

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