Embedded Systems October 2000 Vol13_11

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con en s OCT O BER 2000 36 Cover Story Measure Twice, Cut Once Carefully named variables help reduce confusion. Follow this naming convention to track units and avoid mismeasurement. BY JOHN FUSCO From OOP to Nuts Object-oriented programming techniques have been slow to become popular for embedded systems development. Here we see how Ada helps makes OOP highly effective. BY CHAD BREMMON 86 COVER Do your neighbors look at you funny wilcn you ask to bOITow a foot of sugar? So would we. A naming convcntion might help you avoid mismeaslII'ement ilnd embarassment. Cover illustration by Rupert Adley. Abstracting System Hardware for Maximum Reuse Abstracting 11ardware is difficult at til11es, but necessary. If you do it right. the resulting software will be much easier to reuse. BY JOSEPH LEMIEUX Strategies for Debugging Embedded 139 Systems The best time to detect bugs is early in the development process. If you instrument your UML, you can even f ind them during analysis and design. BY GREGORY EAKMAN PID without a PhD PID (proportional, integral. derivat ive) control is not as complicated as it sounds. Follow these simple implementation steps for quick results. BY TIM WESCOTT News Analysis HP and STMicroelectronics Launch "Lx" A new VLIW architecture promises to shake up the system-on-chip design world. BY ALEXANDER WOLFE

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