Meta tags:
description=Hi, I am Robert Foss. I love building things; software, hardware and weird art. I m a Free Software enthusiast and among others things I m a contributor to the Linux graphics stack and related projects like the Linux Kernel, Mesa and drm_hwcomposer.;
author=Robert Foss;
keywords=Robert Foss memcpy Robert Foss, Open Source, Software, Linux, Kernel, Embedded, Engineer;

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Text of the page (random words):
memcpy io writing 2023 git pull request fetching searching working with github and gitlab pull merge requests can be improved greatly by adding an alias for fetching all requests fetched prs can then easily be searched or checked out read full post setting up a linux userspace graphics dev environment this is a simple guide for how to build and run wayland weston read full post 2022 configuring linux vlans setting up a vlan for a network interface in linux is a little bit convoluted let s write a bash zsh function for simplifying the process read full post 2021 git alias function syntax git aliases are an easy way to customize commands however it is tempting to be more expressive and use shell script functions this is supported but the syntax and escaping can be hard to overcome read full post applying mailing list patches with git b4 b4 helps improve the workflow for mailing list based linux kernel development but doesn t offer direct git integration let s whip up a git b4 alias read full post upstream camera support for qualcomm platforms the camss driver for qualcomm image signal processors isps isn t new but now has support for the next generation of isp architecture read full post 2020 speed up git log graph 18x times for large repositories git log graph can be slow but for git v2 20 it can be sped up read full post 2019 running android and wayland on embedded devices let s get android running next to wayland on an i mx6 based nitrogen6_max board read full post running android next to wayland it s now possible to run android applications in the same graphical environment as regular wayland linux applications with full 3d acceleration read full post an overview of the panfrost driver during the past few months significant progress has been made on the open source arm mali gpu driver front culminating in the panfrost driver targeting mali t and g series of gpus being available now read full post 2018 running docker privileged inside of lxc lxd being able to run docker containers inside of lxc containers comes in quite handy due to them solving slightly different issues read full post git reset upstream working with a git based project that has a defacto upstream repository means that you perioducally want to fetch the canonical master branch this can be simplified with a gitconfig alias read full post kms_swrast a hardware backed graphics driver kms_swrast is a software driver built upon the mesa gallium driver framework which uses kernel kms drm nodes for memory allocation read full post configuring qnap lxc containers for vpns using tun setting up a qnap nas as a vpn client is easy but setting its containers up for vpns is harder read full post twistyplexing a charlieplexing variety twistyplexing is a neat variety of charlieplexing with 2 small benefits read full post apa102 1515 leds for upcoming projects i ve been looking for low current programmable rgb leds and a new the new apa102 1515 seems like an improvement over the 2020 read full post upstream linux support for the new nxp i mx 8m a quick look into the 2018q1 status of the i mx 6 8 platforms read full post apa102 led current usage during a recent project i ve been surprised to learn about idle current usage of the apa102 leds read full post virtualizing gpu access virtualized gpu access is becoming common in the containerized and virtualized application space let s have a look at why and how read full post 2017 building chromiumos for qemu getting chromiumos building is reasonably easy but running it under qemu requires some work read full post fixing bluetooth on the xps 15 9550 on ubuntu the bluetooth module of the dell xps 15 9550 has never been working for me but copying a firmware blob onto my machine fixed my issues read full post android nxp i mx6 on etnaviv update more progress is being made in the area of i mx6 etnaviv and android read full post gallium_hud debug mesa graphics performance debugging graphics performance in a simple and high level manner is possible for all gallium based mesa drivers read full post android nxp i mx6 buffer modifier support gpus like those of intel and vivante support storing the contents of graphical buffers in different formats support for describing these formats using modifiers has now been added to android and mesa enabling tiling artifact free running of android on the imx6 platform read full post android getting up and running on the imx6 getting android up and running on the imx6 platform using an open source graphics stack has been impossible up until recently but now you can here s a guide through the steps read full post android changing the bootanimation for various reasons you might want to change the android boot animation to something other than the stock one this is how you do it read full post audio editing images there s nothing preventing images from being edited as audio data however there are a few pitfalls which is why i wrote audio shop read full post android enabling mainline graphics android uses the hwc api to communicate with graphics hardware this api is not supported on the mainline linux graphics stack but by using drm_hwcomposer as a shim it now is read full post removing the chromebook write protect screw before being able to write firmware data to any production chromebook device the write protect screw has to be removed read full post precompiling apk files during android aosp build by precompiling apk files during aosp build a few minutes can be shaved off of the development iteration time on most commonly found android hardware read full post setting up a chromiumos dev environment setting up a fully functional chromiumos development environment on actual chromebook hardware read full post 2016 running an android unit test running specific aosp unit tests on an android device is not entirely obvious so this is what i cobbled together read full post xdc 2016 highlights from the 2016 x org developers conference read full post building android for qemu with mesa and virgil3d running the linux mainline graphics stack on android devices is currently not a reality but this is a viable development environment for improving the situation read full post ethernet device stress testing during kernel upstreaming for chromiumos devices a standalone ethernet subssystem testing script was needed read full post linux kernel development shell scripts a part of getting active in kernel development is finding a good workflow these are the scripts i ve used to avoid errors and increase productivity read full post running weston on a raspbian this is a simple guide for how to build and run wayland weston on a raspberry pi read full post coverpage template as a precursor to creating a commercial project having the ability to gauge interest free of charge is a great tool this is a template for that purpose read full post esp8266 apa102 bulb as an experiment in hw design an alternative to the philips hue was built it s fully programmable over wifi read full post 2015 ws2812 led matrix a 8x8 led panel conntected to an esp8266 was constructed to make a kind of portable display module read full post ws2812 welding goggles as a gift i ve cobbled together a pair of welding googgles with rgb leds and a microcontroller read full post user friendly setup of esp8266 gadgets when first configuring any iot device the lack of options for interaction can be problematic so i hacked together an access portal captive portal application for the nodemcu firmware read full post building nodemcu for the esp8266 this is a simple hands on guide to building nodemcu and flashing it onto a raw esp8266 01 module read full post about blog talks contact github copyleft 2024 robert foss source