Tag Archives: Linux

Building debian-buster-rootfs for RK3399

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RK3399 is one of most of powerful open source based Cortex-A72 and A53 as Big-Little architecture. Rockchip of its manufacturer, continuously updates their open source as they can, but all sources are not being updated for latest changes – specially rootfs about debian based is not. EOL of ‘stretch’ Debian… Read more »

listusb for macOS users

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Introducing listusb Have you troubled with checking what USB device connected as correctly speed recolonization on macOS ? And If you can say “Yes”, then you may need this, “listusb”. “listusb” is an open source project to view connected USB device in iTerm or iTerm2 (of homebrew) as text based… Read more »

TwoFish encryption for modern C++.

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Background and development The TwoFish encryption was developed in 1998 by Bruce Schneier and it is perfectly royalty free, uncopyrighted open source, and still this encryption is stronger. And I needed plan to use this hard-to-break encryption for maximum performance on USB3.2 Gen1 (USB3.0) 5Gbps some heading packets in real-time… Read more »

New embedded system coming out

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My new embedded system based on Rockchip RK3399 is now stepping to next version. Rebuilt all kernel for maximum performance at processing high quality raw images from quad(2×2) MIPI-CSI2 cameras. This new board aquires double channels of dual high speed 5Mpixel MIPI-CSI2 camera in data bus bandwidth in 6Gbps for… Read more »

Realtek R815x USBNET kernel driver for RK3399

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Here is latest version 2.12.0 of Realtek GbE USB network kernel driver (source codes) for RK3399. Everyone should be download this driver and extract tar.gz in kernel directory. This driver will overwrites old r8152.c, so anyone doesn’t need to modify any files, just extract tar.gz and make your kernel again…. Read more »

Graphical CPU and GPU monitoring utility

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Before start to read this, it is an utility for Embedded Linux users.If you don’t know about Linux, it should be skipped for next time. Introduction It was made for monitoring CPU and GPU temperature with maximum clocks goes thresholded in Rockchip RK3399 embedded system at first time. First version… Read more »

A simple utility for monitoring CPU clocks and temperature for embedded system.

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This simple console based application is an open source for monitoring current CPU clocks and temperature include GPU if availed. Repository URL : https://bitbucket.org/rageworx_embedded/cpuclkmon You can clone, or download source and build own yourself, or just download pre-compiled binary and launch it for your system.

Writing RGB or GREY buffer into a JPEG file

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Import issue: This example code is for Linux ( or possible for MacOSX ). and .. Fixed some wrong code Makefile It must be declared to link with jpeg library in system, or it should not be switched with turbo-jpeg. LFLAGS += -ljpeg Code for jpeglib. #include <jpeglib.h> int writejpeg(… Read more »

V4L2 + V4l-utils, Capture for multi-planar #2

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This post was continued from “V4L2 + V4l-utils, Capture for multi-planar #1“ Querying external controls Getting external control should be an optional job, but it maybe needed to control brightness and gain for good to get excellent balanced image. Little bit difficult to understand in first time but can be… Read more »

V4L2 + V4l-utils, Capture for multi-planar #1

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It was very hard to find out how it works until I made it by myself in multiple times. As we maybe already knows – Always comes mind peace when I have the answer, right – It was maybe very easy but very hard to know, not kindly explained anywhere… Read more »