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DDJ > Dr. Dobb's Departments > Embedded Systems

Embedded Systems

Editor's Note | News | Features | Discussion Forum | Embedded RSS Feed

Software and firmware strategies, news, tools and analysis on new and established platforms.


Editor's Note

In this issueýs top DobbsCast, Jon Erickson interviews Peter Magnusson, founder and chief technology officer at VirtuTech, on tools for parallel programming necessitated in todayýs multi-processor/multi-threaded embedded environments. He discusses the role of full-system simulation (via VirtuTechýs HindSight simulator product, which runs on mainstream Linux and Unix variants) in evaluating parallel code for multiprocessor targets under in-service workloads. Simulation is said to offer significant practical advantages over other approaches in determining causes of failure, pinpointing real-world bottlenecks, and resolving conflict issues. In features, Rajesh Mishra of the Digital Media Center at Analog Devices runs down must-have tools for debugging uCLinux, and techniques for kernel modification that open up the constrained target environment for debugging purposes.

In the News

Switching power supplies available in three package styles
Designed for medical and dental instrumentation, Astrodyne Corp. has announced the multi-package PMMK225 line of high-density switching power supplies that provide output power of 225 watts with active PFC.

Print server connects HP printers to WPA/WPA2 wireless LANs
SEH has introduced the PS56 print server, a WLAN interface card, for connecting HP printers to wireless LANs supporting WPA and WPA2 encryption standards.

Integrated light sensor exceeds 15-year lifetime
Melexis adds the MLX75305 light-to-voltage sensor with a 15-year lifetime to the SensorEyeC series of optical sensors.

Trimmable chip resistors offer more package sizes
Stackpole Electronics has expanded the FCR series of trimmable chip resistors with the addition of 0402 and 2512 case sizes.

 

Features

Power Management for Mobile Devices
Sabyasachi Dey
With the convergence of new computing, communication and entertainment applications on wireless handsets, power demands are increasing rapidly, yet the capacity of batteries cannot keep up.

Of Interest

April 2006 Of Interest.

Accelerating Compute Intensive Functions Using C
Joe Hanson
Joe examines how you accelerate application processing using a software-configurable architecture to achieve hardware-accelerated performance in C.

Tight Code
Ed Nisley
Ed builds an ISBN bar-code scanner.

New Ada Standard on the Horizon
Jonathan Erickson
Robert Dewar explains some of the changes that the Ada 2005 standard will bring to the programming language. (MP3, 4:11 mins.)

Debugging and Full System Simulation
Jonathan Erickson
Peter Magnusson explains how multiprocessing is driving the need for simulation in systems-level debugging. (MP3, 4:37 mins.)

Tools for Systems Engineers Announced
Jonathan Erickson
Roger Oberg describes IBM Rational's new tools designed to help systems engineers manage their development environments. (MP3, 3:20 mins.)

Debugging & Embedded Linux Runtime Environments
Rajesh Mishra
Debugging in embedded Linux runtime environments requires an assortment of tools.

Solid-State Lighting and the RAD Lab
Deirdre Blake
TheAlliance for Solid-State Illumination Systems and Technologies unveils a novel concept for lighting homes and offices. New Research Lab Formed The Reliable, Adaptive, and Distributed Systems Laboratory (or RAD Lab) is formed at U.C. Berkeley. (MP3, 3:49 mins.)

PowerPC Core Made Available for Academia, and Algorithm Competition Set
Deirdre Blake
IBM will make specs for its PowerPC 405 core freely available to researchers and academia; TopCoder Algorithm Competition registration begins on February 13, 2006. (MP3, 2:07 mins.)

More Articles

Real-Time Computing Discussion Forum

How to find Data Bus width using C code?

Visit the Real-Time Computing Forum

NetSeminars

Agile Data Modeling With Scott Ambler and The Power Of Design With David Dichmann
We'll look at a case study that puts to use the practices described in Ambler's Productivity Award-winning Agile Database Techniques. Also, Sybase's David Dichmann shows how UML, business process modeling, XML, warehouse modeling, metadata cohesion and corporate standards enforcement work together in a 21st century data modeling solution.

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