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February 2, 2012February 2, 2012

Penandfree PT- Pen Transforms Your Laptop into A Tablet

Penandfree has unveiled the PT-pen (Presentation pen) at the 2012 ISE exhibition. The company claims this pen can transform ordinary laptops or netbooks into touch-screen tablets, replacing the need for both a mouse and keyboard. PT-Pen can be used for capturing handwritten notes, digital signatures and all sorts of creative sketches. MINT Interactive software is included with the PT-pen and provides access to a full color pallet, a variety of line thicknesses, a virtual keyboard and a handwriting recognition mode. Penandfree explains that PT-pen allows navigation in web browsers and can be used with office software such as Microsoft Excel and Powerpoint as it conforms with Microsoft tablet and standard HID specifications. Mint Interactive Software can be download for Windows XP/Visata/&, MacOS and Linux. For Android Tablet and/or iPad users, Penandfree unveiled the “Legato Smart-Pen”. The PT-pen digitally “inks” a laptop’s LCD using ultrasonic technology. A magnetized receiver sits at […]

February 1, 2012February 1, 2012

Raspberry Pi Codecs and Graphics/Video APIs

The Raspberry Pi Foundation has announced which codecs and API would be supported in the Raspberry Pi. The Raspberry Pi board will support the following Graphics and Video API via a set of closed source libraries that give access to the GPU acceleration features: OpenGL ES 2.0 – OpenGL is a 3D Graphics API defined by the Khronos Group. OpenVG – OpenVG is a 2D vector drawing API also defined by the Khronos Group. EGL – EGL is the interface between Khronos rendering APIs such as OpenGL ES or OpenVG and the underlying native platform window system. OpenMAX IL – OpenMAX supplies a set of API’s that provides abstractions for routines used during audio, video, and still images processing. OpenMAX defines 3 layers, Raspberry Pi library will provide an interface to the IL layer, which provides an interface between media framework such as Gstreamer and a set of multimedia components. […]

ArmSoM RK3588 AIModule7 NVIDIA Jetson Nano-compatible SOM

January 31, 2012

Debugging Embedded Linux with GDBserver and Insight (gdb GUI)

Although it it sometimes possible to debug applications using GDB (The GNU Debugger) on the target boards, there is often not enough memory available to run GDB on embedded systems running Linux. To work around this issue, you can use gdbserver to perform remote debugging. Installing and running gdbserver on the target board First of all you need to install gdbserver on the target board. Assuming you use a Debian based distribution:

apt-get install gdbserver

1	apt-get install gdbserver

If you distribution, does not have binary repository, you can download gdb source code and cross-compile gdbserver. Once gdbserver is installed, (cross-)compile your application in debug mode and start gdbserver as follows:

gdbserver target_ip:target_port prog_dbg

1	gdbserver target_ip:target_port prog_dbg

Where target_ip and target_port are respectively the IP address of the board and the chosen TCP port, and prog_dbg, the program under test compile in debug mode (CFLAGS=-g). Remote Debugging with GDB If you are familiar with gdb and prefer to use the command […]

January 31, 2012January 31, 2012

Java SE Server Compiler now Available on ARM

Hardware and software development is going full-steam ahead for ARM servers. After Calxeda and AppliedMicro server SoCs – based respectively on Cortex A9 and ARMv8 architecture – have been announced and Ubuntu focusing further ARM development on Servers (Calxeda, Marvell and ARMv8), Oracle has released the Java SE server compiler – a throughput optimizing JIT compiler – for ARMv7. The ARMv7 server compiler is part of Java SE for Embedded 7 Update 2. First, some quick explanations on the 2 JIT compilers available for Java SE: Client: The client compiler is a fast start-up, lightly optimizing compiler. It’s better suited for smaller footprint systems and those running applications that require fast start-up such as Android applications. Server: The server compiler is optimizing code for throughput and produces highly-optimized code but incurs a start-up cost in achieving that. The server compiler only works on ARMv7 processors with hardfloat (VFPv3 FPU), and initial […]

January 27, 2012January 27, 2012

Linaro 12.01 Release with Kernel 3.2 – Android 4.0.3

Linaro has just released version 12.01 based on Linux Kernel 3.2 and Android ICS upgraded to 4.0.3. A lot of work has been done to have video hardware decoding on OMAP 4 (in GStreamer) enabling Pandaboard to run Ubuntu TV and XBMC with Video HW acceleration. Prebuilt binaries for Linaro GCC and Linaro GDBare now available which means you don’t need to use Ubuntu with Linaro Toolchain. It has been tested with Debian 6.0.2, Fedora 16, openSUSE 12.1 and Red Hat Enterprise Linux Workstation 5.7 and should run on any Linux Standard Base 3.0 compatible distribution. Windows binaries are also available and known to work on Windows XP Pro SP3, Windows Vista Business SP2 and Windows 7 Pro SP1. Here are the highlights of the release: Android Linaro’s ICS has been upgraded to 4.0.3. Linaro Android ICS builds are now optimized using -O3 with the Linaro Toolchain. Click through builds […]

January 26, 2012August 3, 2017

Texas Instruments Pico Projector Module: DLP LightCrafter

Texas Instruments announced the DLP LightCrafter, a Pico Projector evaluation module. This module is powered by an ARM9 TMS320DM365 processor @ 300 Mhz (with 1080p video co-processor) running Embedded Linux. It features a 20-lumen RGB LED light engine and projector, as well as TI DLP 0.3 WVGA chipset. The DLP LightCrafter EVM is intended to bring DLP (digital light processing) devices faster to market and targets the industrial, medical, security and scientific instrument markets with devices such as pico projectors, 3D fingerprint scanners and 3D printers. The DLP LightCrafter incorporates TI DLP3000-C300REF reference design with includes the 0.3 WVGA chipset, TMS320DM365 embedded processor and MSP430 micro-controller. Here are the key features of the DLP LightCrafter: 20 lumen light output WVGA resolution (608×684 native) Up to 4kHz binary pattern rate Configurable I/O trigger DM365 embedded processor (ARM926E-JS) 128MB NAND flash memory USB, Mini HDMI, UART interfaces Dimensions: 117mm x 65mm […]

Rockchip RK3568, RK3588 and Intel x86 SBCs and SoMs in 2025

January 25, 2012January 25, 2012

The Past, Present and Future of Ubuntu for ARM

David Mandala of Canonical talked at Linux.Conf.Au on 18th of January 2012 about Ubuntu for ARM and the move from netbook to server support. You can read my notes below, or jump at the end of this post to watch the presentation. The Past 2008: Ubuntu decides to only support ARMv7 architecture vs. Debian that supports ARMv4 and above. 2009: Ubuntu release for Freescale i.MX51 (ARMv5 built), and then Marvell ARMAVA with ARMv6 and VFP (ARM floating point unit) support. 2010: April (10.04) The first ARMv7 release for OMAP3 (Beagleboard) with VFP, Thunb2, NEON and SMP for ARM and first netbook edition October (10.10) Pandabord (OMAP4) release with initial device tree support for ARM. Starts work with Linaro. 2011: 11.04 (5th release) – Supports OMAP3 and OMAP4 only. The netbook edition is using Qt, further improvement to device tree, further work with linaro and on the way to the Unified […]

January 20, 2012

Embedded Linux Conference 2012 Schedule

The Embedded Linux Conference (ELC 2012) will take place on February 15 – 15, 2012 at Hotel Sofitel in San Francisco. 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. February 15 10:30 – 11: 30 – Profiling and Performance Measurement Techniques Using Linux Kernel Tools by Govindraj Raja, Software Engineer at Texas Instruments and Partha S Basak, Technical Manager at Texas Instruments. With ever growing features and functionality of Linux kernel, one needs methods to trace and profile parts of Linux kernel for various reasons like performance analysis, debugging etc. This presentation aims at providing an insight into few of these tools and their salient features. Supporting use case data as captured on open source OMAP4 pandaboard is also provided. 14:00 – 15:00 – The Yocto Project Overview […]