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VOL. 14 NO.12
October, 2001
Table of Contents
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From Here to Infinity
by Dan Simon
H∞ filters can be used to estimate system states that cannot be observed directly. In this, they are like Kalman filters. However, only H∞ filters are robust in the face of unpredictable noise sources.
C++ on Low-End Micros
by Jeffrey Kohler
Using C++'s object-oriented features on microcontrollers with severe memory constraints can be a challenge. However, if the desire to do so is strong-as it was for this author-anything is possible.
Murphy's Law
So This Button Must...
by Niall Murphy
Ever stared blankly at a panel of buttons and dials, wondering what controls which function? Apparently, so has Niall, and he's tired of it. This month, a laundry list of user interface design
failures.
Embed with the Mailman
by Tim Jones
Next time you need to communicate with a TCP/IP-enabled device, why not send an e-mail? Here's a tiny SMTP server for receiving messages and a client for sending back a response.
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#include
Java Update
by Michael Barr
I'm still convinced Java is awesome and that embedded programmers using C++ would benefit heavily from switching over to it.
Programmer's Toolbox
Where Do We Stand?
by Jack Crenshaw
The minimizer series is winding down. This month, Jack adds the features that make this addition to your toolbox safe for the road.
Beginner's Corner
Watchdog Timers
by Niall Murphy and Michael Barr
For those embedded systems that can't be constantly watched by a human, watchdog timers may be the solution.
Programming Pointers
Passing by Reference-to-const
by Dan Saks
The rules for initializing references make passing by reference-to-const an efficient and attractive alternative to passing by value.
Break Points
Interrupt Latency
by Jack G. Ganssle
Knowledge is power, but often we don't know what's really happening in our systems. This column contains some tricks to help you find out.
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