Video Category - Page 96 of 323 - CNX Software

June 23, 2020 by Jean-Luc Aufranc (CNXSoft) - 3 Comments

Raspberry Pi VideoCore IV Boards Get an Unofficial Vulkan Driver Good Enough to Play Quake 3

The Raspberry Pi Foundation is collaborating with Igalia to work on everything related to graphics support for VideoCore VI GPU found in Raspberry Pi 4’s Broadcom BCM2711 SoC. This lead to OpenGL ES 3.1 conformance at the beginning of the year, and good progress with Raspberry Pi 4 Vulkan support. There’s no plan to work on an official Vulkan driver for earlier Raspberry Pi boards with VideoCore IV GPU, but since the Raspberry Pi Foundation released open-source VideoCore IV driver and documentation several years ago, it’s, in theory, possible for skilled developers to improve on it. That’s exactly what Martin Thomas, an NVIDIA engineer, has done in his spare time, and after two years of work, a Vulkan driver for Raspberry Pi VideoCore IV board – RPi-VK-Driver – has been released on Github. Pi-VK-Driver implements a subset of the Vulkan, and since it is not fully conformant to the standard […]

June 21, 2020 by Jean-Luc Aufranc (CNXSoft) - 19 Comments

Checking Out Raspberry Pi OS 64-Bit on Raspberry Pi 4 8GB RAM

The Raspberry Pi 4 with 8GB RAM launched a couple of weeks ago together with the beta version of Raspberry Pi OS 64-bit. Note that you should currently use the 32-bit version of Raspberry Pi OS (previously known as Raspbian) as the 64-bit still has bugs and missing features, but I want to find out the current progress, so I installed raspios_arm64-2020-05-28/2020-05-27-raspios-buster-arm64.zip and had no problem to boot the board. Raspberry Pi OS 64-bit System Information After going through the setup wizard in the desktop environment to configure the language, time, networking, etc…, and make sure the OS is updated, I checkout some information:

pi@raspberrypi:~ $ cat /proc/cpuinfo 
processor	: 0
BogoMIPS	: 108.00
Features	: fp asimd evtstrm crc32 cpuid
CPU implementer	: 0x41
CPU architecture: 8
CPU variant	: 0x0
CPU part	: 0xd08
CPU revision	: 3
...
Hardware	: BCM2835
Revision	: d03114
Serial		: 10000000694c8ae2
Model		: Raspberry Pi 4 Model B Rev 1.4

pi@raspberrypi:~ $ cat /proc/cpuinfo

processor : 0

BogoMIPS : 108.00

Features : fp asimd evtstrm crc32 cpuid

CPU implementer : 0x41

CPU architecture: 8

CPU variant : 0x0

CPU part : 0xd08

CPU revision : 3

...

Hardware : BCM2835

Revision : d03114

Serial : 10000000694c8ae2

Model : Raspberry Pi 4 Model B Rev 1.4

I do have a Raspberry Pi 4 Model B Rev 1.4 with 8GB Memory (revision: d03114), the image comes with a 64-bit Linux kernel:

pi@raspberrypi:~ $ uname -a
Linux raspberrypi 5.4.42-v8+ #1319 SMP PREEMPT Wed May 20 14:18:56 BST 2020 aarch64 GNU/Linux

1 2	pi@raspberrypi:~ $ uname -a Linux raspberrypi 5.4.42-v8+ #1319 SMP PREEMPT Wed May 20 14:18:56 BST 2020 aarch64 GNU/Linux

and we do get a 64-bit rootfs.

pi@raspberrypi:~ $ file /bin/busybox 
/bin/busybox: ELF 64-bit LSB shared object, ARM aarch64, version 1 (SYSV), dynamically linked, interpreter /lib/ld-linux-aarch64.so.1, for GNU/Linux 3.7.0, BuildID[sha1]=fdf7b3dd496e8fd678a0bda5540f9fae4d313d8f, stripped

1 2	pi@raspberrypi:~ $ file /bin/busybox /bin/busybox: ELF 64-bit LSB shared object, ARM aarch64, version 1 (SYSV), dynamically linked, interpreter /lib/ld-linux-aarch64.so.1, for GNU/Linux 3.7.0, BuildID[sha1]=fdf7b3dd496e8fd678a0bda5540f9fae4d313d8f, stripped

All good. Known issues Before starting the review, let’s make ourselves aware […]

June 20, 2020 by Jean-Luc Aufranc (CNXSoft) - 10 Comments

Getting a 3-inch Smartphone in 2020? You can with Unihertz Jelly 2 (Crowdfunding)

Most smartphones have 5″ or larger displays these days as it’s just more convenient to read emails, browse the web, or play games, than the smaller displays we had ten years ago. But some people may still prefer smaller smartphones that are lighter and really fit into any pockets. Those are just pretty hard to find, luckily some companies such as Unihertz are filling the needs for this niche market. Two years ago, the company introduced the Unihertz Atom smartphone with a 2.4″ display, and earlier this year launched Atom XL 4″ smartphone, but the company is now preparing to launch a new crowdfunding campaign for Jelly 2 smartphone powered by a MediaTek Helio P60 processor and equipped with a 3-inch display. Unihertz Jelly 2 specifications: SoC – MediaTek Helio P60 octa-core with four Arm Cortex-A73 up 2.0 GHz and four Arm Cortex-A53 up to 2.0 GHz, Arm Mali-G72 MP3 […]

June 17, 2020 by Jean-Luc Aufranc (CNXSoft) - 7 Comments

AirTab 15.6″ Portable Display Provides 2x USB-C Inputs (Crowdfunding)

While portable displays have been available as far back as at least 2012, they’ve become more popular in recent years as they can both offer a secondary display to your laptop, or add a larger screen to your smartphone. In the last two years, we’ve already covered BlitzWolf BW-PCM1, T-bao T15A, TAIHE Gemini (which ended up being a failure), Airview, and Desklab among others. But apparently, there’s room for more with the launch of AirTab, a 15.6″ portable touchscreen or non-touch monitor, on Kickstarter that’s already surpassed its $10,000 funding target. AirTab specifications: 15.6″ display with 1920×1080 resolution up to 60 Hz refresh rate; 4ms response time; 256 cd/m2 brightness Touchscreen – Air Touch model only USB – 2x USB-C ports Power Supply – Dimensions – 335 x 245 x 4.9 mm Weight – 500 grams AirTab comes with a foldable magnetic cover that allows the display to be used […]

June 16, 2020August 24, 2021 by Jean-Luc Aufranc (CNXSoft) - 4 Comments

CrowPi2 Raspberry Pi 4 Laptop Doubles as Electronics Learning Kit (Crowdfunding)

CrowPi2 Raspberry Pi 4 Laptop with Detachable Keyboard

CrowPi portable learning kit for Raspberry Pi 3 B+ and Pi Zero boards was launched in 2018. It comes with a 7″ display, several sensors, buttons, a breadboard, and more all packed in a small suitcase. Elecrow has now started a new crowdfunding campaign on Kickstarter to fund the second generation portable electronics learning kit: CrowPi2 which looks much more like a laptop than a suitcase found in the first model thanks to a large display, and a detachable keyboard placed on top of the electronic prototyping/learning area. It’s also more powerful thanks to the latest Raspberry Pi 4 SBC. CrowPi2 specifications: Compatible Raspberry Pi boards – Raspberry Pi 3B/B+, Raspberry Pi 4 Display – 11.6-inch 1920×1080 IPS screen Camera – 2MP camera Audio – Built-in microphone and stereo speaker; 3.5mm audio jack Keyboard – 2.4GHz detachable wireless keyboard (QWERTY only) with touchpad Sensors and Modules under the keyboard: Displays […]

June 14, 2020June 14, 2020 by Jean-Luc Aufranc (CNXSoft) - 3 Comments

ZS1100A IoT Power Meter Supports Sigrok Open-Source Software (Crowdfunding)

A few months ago, I tested Qoitech Otii Arc power meter & DAQ system designed for developers of IoT devices, and fount out it would be incredibly useful to developers of battery-operated devices since it shows voltage and current graphs synchronized with the serial output making it easy to see where software might be optimized. The system can also capture analog and digital signals from the DUT and emulate batteries with user-defined characteristics. But this weekend, I’ve come across a very similar solution with ZS1100A IoT power meter that also happens to be compatible with Sigrok open-source signal analysis software, and the corresponding Pulseview GUI. ZS1100A IoT power meter specifications: Measurements Output Voltage Range – 0 to 6 V programmable in 10 mV steps with +/- 5mV accuracy, Current Measurement Range – -0.5 A to 1.5 A (linear range) with < 0.1 μA resolution, accuracy of 1% of measured value […]

June 13, 2020 by Jean-Luc Aufranc (CNXSoft) - 18 Comments

Dune HD RealBox 4K TV Box Runs Android and Linux on Realtek RTD1395 SoC

Realtek RTD1395 processor is designed for 4K HDR TV boxes and set-top boxes. Equipped with a quad-core Cortex-A53 processor and Mali-470 GPU it offers a lower-cost alternative to Realtek RTD1295 and RTD1296 with the same 4K video processing and playback capabilities. So far, we had seen it in TV boxes designed for operators and Banana Pi BPI-M4 single board computer, but Dune HD RealBox 4K TV box is the first RTD1395 consumer device sold directly to end-users. Dune HD RealBox 4K specifications: SoC – Realtek RTD1395 quad-core Cortex-A53 processor with Mali-470MP4 GPU System Memory – 2 GB RAM Storage – 16 GB flash, MicroSD card slot Video Output – HDMI 2.0a up to 4Kp60 HDR and AV port (composite) Audio – Optional S/PDIF, analog stereo audio via AV port, digital audio via HDMI port; HDMI audio pass-through to AV receiver Video Playback 4Kp60 HDR/HDR10+ with 10-bit H.265 and VP9 profile-2, […]

June 11, 2020November 7, 2020 by Jean-Luc Aufranc (CNXSoft) - 4 Comments

DFI Ryzen Embedded R1606G SBC Review – Part 2: Windows 10 Enterprise LTSC

DFI GHF51 is an AMD Ryzen Embedded R1606G SBC for industrial application that’s about the size of the Raspberry Pi Model B board, and after checking out the hardware in the first of part of the review “DFI GHF51 AMD Ryzen Embedded SBC Review – Part 1: Unboxing and Assembly“, I’ve now had time to play with the board running the pre-installed Windows 10 Enterprise LTSC operating system. DFI GHF51 Hardware Connections Since there aren’t any full-sized USB ports, you’ll need a USB-C hub to get started as you’ll probably want to connect a USB keyboard and mouse for development and testing, as well as a Micro HDMI cable to connect to a TV or display. I tried both MINIX NEO C Plus and Dodocool DC30S USB Type-C hubs, and the former did not work at all, while the latter mostly worked. I also connected an HDMI cable to the […]