Circuit Cellar Ink 101
December 1998

Table of Contents

2


Elizabeth Laurencot

Task Manager

The Word is Communication

6

Reader I/O

Letters to the Editor

8


Harv Weiner

New Product News

  • ADMC331 DSP-based motor controller from Analog Devices, Inc.
  • eCos open-source, royalty-free OS from Cygnus Solutions
  • IMP70x and IMP813L microprocessor supervisors from IMP, Inc.
  • 68338 computer module from Persistor Instruments, Inc.
  • ADC-216 virtual digital oscilloscope from Saelig Company
  • ELF force sensors from FlexiForce

14


Craig Pataky
Bill Maggs

In-System Programming

Rewriting the Book

IS people got it made, don't they? Instant reprogrammability means you don't have to sweat the details. Craig and Bill show how system engineers can have that luxury, too, with an in-system programmable target platform.

Download: Isp_src code.zip

Note: Additional comments by Calvin Krusen in INK 103 Reader I/O.

20


Richard Man
Christina Willrich

PDF HTML, HTML A Minimalist Multitasking Executive

A multitasking executive might seem like a nice enhancement, but the costs are prohibitive, right? Well, maybe they don't have to be. With uexec, even simple embedded programs can be written as multiple tasks.

Download: uexec.zip

Note: Additional comments by Alan Cook in INK 106 Reader I/O.

26


Irv Badr

Object-Oriented Design of Real-Time Systems

A Multidisciplinary Challenge

During the design stage, the system, hardware, and software engineers all have their own issues and development tools. Irv presents a way to balance and coordinate the efforts so we can all speak a common language at last.

Download: Badr.ZIP

32


Michael R. Smith

PDF Some Assembly Required

Assembling C Code for Your Embedded System

The most important rule for programming in assembly language: know when not to. When time and money are riding on how long it takes to develop, debug, test, and implement code, sometimes it's in your best interest to link in some C.

Download: smith.zip

42


Ed Thompson

Smart Battery Systems

According to Ed, the Smart Battery System is a remarkable combination of battery and embedded microcontroller technology. By giving status feedback on power-related issues, it's sure to bring many improvements to portable equipment.

Embedded PC

48


Harv Weiner

Nouveau PC

  • FlashTCP Server SBC from JK microsystems, Inc.
  • Silvertip Quad SHARC PC/104 board from BittWare Research Systems
  • PC/104 I/O Coprocessor with PIC16C74 from Scidyne
  • Intrinsyc DeviceCOM DCOM library for Windows CE from Annasoft Systems
  • VGA-104 SVGA adapter for PC/104 from Adastra Systems
  • Model 3201 PCI bus LonWorks transceiver from Telebyte Technology, Inc.

Embedded PC

53


Ingo Cyliax

PDF HTML Real-Time PC

Embedded RT-Linux, Part 2: Working with Flash Memory

Once you decide that Linux might be the right OS for your embedded application, where do you go next? Ingo has the answers as he reduces the Linux kernel and even shows how to boot it from flash memory or floppy disk.

Embedded PC

59


Fred Eady

PDF HTML, HTML Applied PCs

emWare Top to Bottom, Part 2: Launching the Application

As Fred journeys into the final frontier, he launches a PIC into Internet space using a PCM-4862. Its mission: to control tasks according to commands received via the web. Can this PIC boldly go where no PIC has gone before?

68


David Tweed

PDF HTML MicroSeries

Digital Processing in an Analog World, Part 3: Dithering Your Conversion

Now that we've got the basics of A/D and D/A conversion, it's time for a couple more advanced topics. So, to finish up this series, David gives us the details on delta-sigma converters and dithering.

Download: DITHER.ZIP

74


Jeff Bachiochi

From the Bench

Learning to Fly with Atmel's AVR

Just because Atmel's new AVR micro has 118 instructions, don't let that get you bogged down. They're grouped into four easy classifications, and the whole AVR line can be programmed into 16-bit address space.

Download: ftb101.zip

80


Tom Cantrell

PDF, PDF HTML, HTML Silicon Update

Hot Chips X Files

It just wouldn't seem like summer if Tom didn't make it to Hot Chips. And it just wouldn't be winter if we didn't read about everything he saw and heard. SIMDs, Deep Blue, copyright law, and Microsoft -- what a mix!

95

Advertiser's Index / January Preview

96


Steve Ciarcia

HTML Priority Interrupt

Embedded Happenings

Circuit Cellar Online


Tom Cantrell

HTML Silicon Update Online

The End of Architecture?

FTP Directory for INK 101
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