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June 11, 2013June 11, 2013 by Jean-Luc Aufranc (CNXSoft) - 8 Comments

Wandboard Dual Benchmarks, Serial Console Fun, and Distributions List

Since last time I tried Android and Ubuntu on the Wandboard, a few things happened. I’m not talking about Wandboard Quad announcement, but instead I received a Class 10 SD card, which makes the system so much responsive, and a RS232 to USB adapter so that I can access the serial console. So today, I’ll publish some benchmark results on Wandboard Dual since none appear to be available, and play a little with the serial console. A few things also happened on the operating systems side with more distributions now available for the board. Prerequisites I ran benchmark in Android, so I installed the latest Android 4.1.2 image (11th of April 2012) to my new SD card (ADATA 16 GB Class 10), and contrary to my poor experience on a 4GB Class 4 micro SD, everything was very fluid. I’ve also installed Google Play in order to install the applications. […]

June 1, 2013 by Jean-Luc Aufranc (CNXSoft) - No Comments

Gumstix Alto35 Customizable Touchscreen Board

A few months ago, Gumstix introduced Geppeto, a web platform that allows you to design and order your own baseboard for Gumstix Overo systems-on-module within minutes. The company has just announced Alto35, an expansion board built entirely with Geppetto. The Alto35 replaces Palo35 Overo-series expansion board with the same features, but adding the possibility of customizing the board via Geppetto. Alto34 expansions board features the following: 3.5″ LCD resistive touch screen Stereo audio in/out jacks 3D accelerometer (STMicro LIS33DE) RC servo USB – 2x USB mini-B ports, including console port (FT232RQ USB UART) LEDs in 4 different colors, 2 tactile switches. 2×70-pin AVX Headers compatible with Overo COMs. Power – 3.5V-5V All Overo computers-on-module are compatible with Alto35 board, so you can just use existing software solutions such as Linaro Ubuntu, Robot Operating System, and the Yocto Project. Alto35 is available for $89 including the display (not the Overo module), […]

April 27, 2013November 24, 2015 by Jean-Luc Aufranc (CNXSoft) - 7 Comments

Yocto Project 1.4 “Dylan” Release

The Yocto Project Release 1.4 has just been announced. This release codenamed “Dylan” and based on Poky 9.0.0 is the sixth release of the project. The Yocto Project is a framework that creates embedded Linux distributions, and has been getting more and more traction with silicon vendors such as Intel, Freescale and Texas Instruments. Yocto Project 1.4 bring the following new features and updates: Major performance improvements – The overall build time has been reduced by more than 10%. Kernel build time is reduced by about 25%. With rm_work enabled, 40% less storage will be used for the tmp directory. Smart, a replacement for zypper Support for read-only rootfs Wayland support, an X replacement. Systemd support, a replacement for the system V init daemon. Usability improvements to HOB, bitbake, yocto-bsp and other tools, including UI improvements, new features and bug fixes. Documentation improvement/update and a new kernel development manual and […]

April 1, 2013April 2, 2013 by Jean-Luc Aufranc (CNXSoft) - 6 Comments

Wandboard Releases Updated Android and Ubuntu Linux Images and Source Code

Since I’ve received my previous short review of the Wandboard Dual development board, there has been more work on done the platform with new Android and Ubuntu images, Jelly Bean source, Linux SDK release, and git repo setup. I’ve tried the binary images, and had a quick look at the source code and corresponding documentation. Android 4.1.2 Image and Source Code Wanboard has release an improved Android image on the 14th of March which you can download for both Solo and Dual version of the development board with the following Changelog: Fix HDMI audio/playback issue with certain monitor. Add support for wifi on wandboard-dual. Known issue: Might need to turn off “Avoid poor connections” in Wi-Fi ->Advanced to keep connection alive. I’ve given it a try in Wandboard Dual, and it seems Ethernet support is gone (Sorry my mistake, Ethernet IS working, but there’s no indication when it’s connected, and […]

March 22, 2013 by Jean-Luc Aufranc (CNXSoft) - 1 Comment

Gumstix Unveils $249 Pepper Single Board Computer Powered by TI Sitara AM3359

Gumstix has just announced a new single board computer for Linux embedded development and experimentation. Pepper is powered by Texas Instruments Sitara AM3359 Cortex A8 processor, and comes with 512MB DDR2, WiFi and Bluetooth connectivity, a 4.3″ LCD touchscreen and more. Gumstix Pepper Key features: Processor – Texas Instruments Sitara AM3359 Cortex A8 processor up to 720 MHz System Memory – 512MB DDR2 Storage – microSD card slot (No flash) Connectivity: Wifi – 802.11 b/g/n 10/100/1000M Ethernet Bluetooth 3.0 Display – Samsung 4.3″ LCD resistive touchscreen (480 x 272) USB – 2x USB OTG connectors Expansion headers – For I2C, SPI and UARTs GPIO-controlled push buttons and LEDs Sensors – 3D Accelerometer (ST LIS33DE) Power – 5V Since there’s no flash, a microSD is used to boot the board. Gumstix provides a Linux distribution built with the Yocto Project which you” eventually be able to download here (the page is […]

February 5, 2013 by Jean-Luc Aufranc (CNXSoft) - 5 Comments

Atmel Introduces SAMA5D3 Cortex A5 Embedded MPUs and Evaluation Kits

Atmel has recently announced the Atmel SAMA5D3 series, a family of high performance, low-power microprocessor units (MPUs) based on ARM Cortex-A5 core. The SAMA5D3 series is designed for embedded applications in the industrial space, including factory and building automation, smart grid, medical and handheld terminals, as well as consumer applications such as smart watches, outdoor GPS, and DECT phones. SAMA5D3 family has the following characteristics: ARM Cortex-A5 core up to 536MHz (850DMIPS). Floating point unit (FPU) with up to 3 times the performance of Cortex A8 FPU. 166MHz bus speed delivering up to 1328MB/s bandwidth. Power consumption: <200mW in active mode at 536MHz with all peripherals activated 0.5mW in low-power mode with SRAM, registers retention and <0.5ms wake-up time ~1.2µA in backup mode with RTC running Connectivity: Dual Ethernet and dual CAN ports (Only one model has both) Gigabit Ethernet MAC with IEEE1588 and 10/100 MAC Two CAN controllers 3x […]

January 24, 2013January 25, 2013 by Jean-Luc Aufranc (CNXSoft) - 5 Comments

Embedded Linux Conference 2013 Schedule

The Embedded Linux Conference (ELC 2013) will take place on February 20 – 22, 2013 at Park 55 Hotel in San Francisco, California. ELC consists of 3 days of presentations, tutorials and sessions. There will be over 50 sessions during those 3 days. I’ll highlight a few sessions that I find particularly interesting, and that did not get presented at ELCE 2012 (AFAICR). February 20 11:00 – Anatomy of the arm-soc git tree by Olof Johansson, Google We are now two years into the new maintainer model for ARM platforms, and we have settled down into a workflow that maintainers have adjusted well to. Still, when new platforms arrive, or when maintainer ship changes hands, there’s sometimes a bit of ramp-up in getting used to how we organize our git tree and how we prefer to see code submitted to fit that model. This presentation will give an overview of […]

January 17, 2013 by Jean-Luc Aufranc (CNXSoft) - No Comments

Yocto Project Overview and Update – ELCE 2012

Last post about ELCE 2012 videos… David Stewart, manager of the Yocto Project team within the Open Source Technology Center at Intel, gives an introduction to the Yocto Project, as well as a status update at ELCE 2012. Abstract: The Yocto Project is a joint project to unify the world’s efforts around embedded Linux and to make Linux the best choice for embedded designs. The Yocto Project is an open source starting point for embedded Linux development which contains tools, templates, methods and actual working code to get started with an embedded device project. In addition, the Yocto Project includes Eclipse plug-ins to assist the developer. This talk gives a walk-through of the key parts of the Yocto Project for developing embedded Linux projects. In addition, features will be described from the latest release of the Yocto Project, v1.3. The talk will include demos of some of the key new […]