Embedded Systems Design - March 2008 - (Page 15) SMIlE, MaRS! ThreadX RTOS manages camera software critical to NaSa mission ® “We found ThreadX to be a proven solution based on its demonstrated success for the Deep Impact mission, so using it for the HiRISE instrument aboard the MRO was a logical decision. ThreadX delivered a first-rate performance for us and helped the MRO mission return extraordinary high-resolution images from Mars.” – Steve Tarr, HiRISE Software Lead, Ball Aerospace & Technologies Corp. MRO spacecraft depicted in Mars orbit: NASA Images courtesy NASA: http://mars.jpl.nasa.gov/mro The Mission When they wrote the embedded software that controls the cameras aboard the Mars Reconnaissance Orbiter (MRO), a team of Ball Aerospace and Technology Corp. engineers led by Steve Tarr knew they only had one chance to get it right. If there was a seriTHREAD ous flaw anywhere in the software, the $720 million spacecraft might have no more value than a digital camera dropped in a bathtub. Tarr and his team wrote 20,000 lines of code and used Express Logic's ThreadX RTOS. The software has worked flawlessly, resulting in history-making photographs such as the one to the left that shows the Opportunity rover traversing the surface of Mars. Opportunity Rover The Technology With its intuitive API, rock-solid reliability, small memory footprint, and high-performance, ThreadX delivered the goods for NASA's MRO. ThreadX is in over 450 million electronic devices from NASA's MRO to HP's printers and digital cameras. Which RTOS will you choose for YOUR next project? Small Memory Footprint • Fast Context Switch • Fast Interrupt Response Preemption-Threshold™ Technology • Picokernel™ Design • Event Chaining™ Broad Tools Support • Supports All Leading 32/64-bit Processors • Easy to Use Full Source Code • Royalty-Free Order today on Amazon Real-Time Embedded Multithreading Using ThreadX and ARM by Edward L. Lamie For a free evaluation copy, visit www.rtos.com • 1-888-THREaDX Copyright © 2007, Express Logic, Inc. ThreadX is a registered trademark of Express Logic, Inc. All other trademarks are the property of their respective owners. http://mars.jpl.nasa.gov/mro http://www.rtos.com http://www.rtos.com http://www.rtos.com
Table of Contents Feed for the Digital Edition of Embedded Systems Design - March 2008 Embedded Systems Design - March 2008 Contents #Include Programming Pointers Designing DSP-based Motor Control Using Fuzzy Logic Hardware/Software Verification Enters the Atomic Age Efficient CRC Calculation with Minimal Memory Footprint Programming Your Own Microcontroller Advertising Index Break Points Marketplace Embedded Systems Design - March 2008 Embedded Systems Design - March 2008 - (Page BB1) Embedded Systems Design - March 2008 - (Page BB2) Embedded Systems Design - March 2008 - Embedded Systems Design - March 2008 (Page Cover1) Embedded Systems Design - March 2008 - Embedded Systems Design - March 2008 (Page Cover2) Embedded Systems Design - March 2008 - Embedded Systems Design - March 2008 (Page 1) Embedded Systems Design - March 2008 - Embedded Systems Design - March 2008 (Page 2) Embedded Systems Design - March 2008 - Contents (Page 3) Embedded Systems Design - March 2008 - #Include (Page 4) Embedded Systems Design - March 2008 - #Include (Page 5) Embedded Systems Design - March 2008 - #Include (Page 6) Embedded Systems Design - March 2008 - #Include (Page 7) Embedded Systems Design - March 2008 - #Include (Page 8) Embedded Systems Design - March 2008 - Programming Pointers (Page 9) Embedded Systems Design - March 2008 - Programming Pointers (Page 10) Embedded Systems Design - March 2008 - Programming Pointers (Page 11) Embedded Systems Design - March 2008 - Programming Pointers (Page 12) Embedded Systems Design - March 2008 - Programming Pointers (Page 13) Embedded Systems Design - March 2008 - Programming Pointers (Page 14) Embedded Systems Design - March 2008 - Programming Pointers (Page 15) Embedded Systems Design - March 2008 - Designing DSP-based Motor Control Using Fuzzy Logic (Page 16) Embedded Systems Design - March 2008 - Designing DSP-based Motor Control Using Fuzzy Logic (Page 17) Embedded Systems Design - March 2008 - Designing DSP-based Motor Control Using Fuzzy Logic (Page 18) Embedded Systems Design - March 2008 - Designing DSP-based Motor Control Using Fuzzy Logic (Page 19) Embedded Systems Design - March 2008 - Designing DSP-based Motor Control Using Fuzzy Logic (Page 20) Embedded Systems Design - March 2008 - Designing DSP-based Motor Control Using Fuzzy Logic (Page 21) Embedded Systems Design - March 2008 - Designing DSP-based Motor Control Using Fuzzy Logic (Page 22) Embedded Systems Design - March 2008 - Designing DSP-based Motor Control Using Fuzzy Logic (Page 23) Embedded Systems Design - March 2008 - Designing DSP-based Motor Control Using Fuzzy Logic (Page 24) Embedded Systems Design - March 2008 - Designing DSP-based Motor Control Using Fuzzy Logic (Page 25) Embedded Systems Design - March 2008 - Designing DSP-based Motor Control Using Fuzzy Logic (Page 26) Embedded Systems Design - March 2008 - Hardware/Software Verification Enters the Atomic Age (Page 27) Embedded Systems Design - March 2008 - Hardware/Software Verification Enters the Atomic Age (Page 28) Embedded Systems Design - March 2008 - Hardware/Software Verification Enters the Atomic Age (Page 29) Embedded Systems Design - March 2008 - Hardware/Software Verification Enters the Atomic Age (Page 30) Embedded Systems Design - March 2008 - Hardware/Software Verification Enters the Atomic Age (Page 31) Embedded Systems Design - March 2008 - Hardware/Software Verification Enters the Atomic Age (Page 32) Embedded Systems Design - March 2008 - Efficient CRC Calculation with Minimal Memory Footprint (Page 33) Embedded Systems Design - March 2008 - Efficient CRC Calculation with Minimal Memory Footprint (Page 34) Embedded Systems Design - March 2008 - Efficient CRC Calculation with Minimal Memory Footprint (Page 35) Embedded Systems Design - March 2008 - Efficient CRC Calculation with Minimal Memory Footprint (Page 36) Embedded Systems Design - March 2008 - Efficient CRC Calculation with Minimal Memory Footprint (Page 37) Embedded Systems Design - March 2008 - Efficient CRC Calculation with Minimal Memory Footprint (Page 38) Embedded Systems Design - March 2008 - Efficient CRC Calculation with Minimal Memory Footprint (Page 39) Embedded Systems Design - March 2008 - Efficient CRC Calculation with Minimal Memory Footprint (Page 40) Embedded Systems Design - March 2008 - Programming Your Own Microcontroller (Page 41) Embedded Systems Design - March 2008 - Programming Your Own Microcontroller (Page 42) Embedded Systems Design - March 2008 - Programming Your Own Microcontroller (Page 43) Embedded Systems Design - March 2008 - Programming Your Own Microcontroller (Page 44) Embedded Systems Design - March 2008 - Programming Your Own Microcontroller (Page 45) Embedded Systems Design - March 2008 - Programming Your Own Microcontroller (Page 46) Embedded Systems Design - March 2008 - Programming Your Own Microcontroller (Page 47) Embedded Systems Design - March 2008 - Advertising Index (Page 48) Embedded Systems Design - March 2008 - Break Points (Page 49) Embedded Systems Design - March 2008 - Break Points (Page 50) Embedded Systems Design - March 2008 - Marketplace (Page 51) Embedded Systems Design - March 2008 - Marketplace (Page 52) Embedded Systems Design - March 2008 - Marketplace (Page Cover3) Embedded Systems Design - March 2008 - Marketplace (Page Cover4)
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