RTOS Controls Dual-Core DSP

Coming up with a 750-mhz dual-core blackfin digital signal processor (DSP) is no easy task. But Analog Devices was forward-looking enough to partner with Express Logic to develop a real-time operating system (RTOS) for this symmetrical multiprocessor...

William G. Wong

May 24, 2004

ThreadX is well known as a compact RTOS. Its footprint can be as small as 2.5 kbytes of RAM. It has a fast response time with flexible memory management. Also, ThreadX offers a simple set of application programming interfaces (APIs) with advanced features like priority inheritance and fast timer management. It's delivered in C and assembler source.

Optional modules like FileX, NetX, and PegX support it as well. PegX is a graphical interface typically used on non-DSP platforms.

Express Logic Inc. www.threadx.com

About the Author

William G. Wong

Senior Content Director - Electronic Design and Microwaves & RF

I am Editor of Electronic Design focusing on embedded, software, and systems. As Senior Content Director, I also manage Microwaves & RF and I work with a great team of editors to provide engineers, programmers, developers and technical managers with interesting and useful articles and videos on a regular basis. Check out our free newsletters to see the latest content.

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I earned a Bachelor of Electrical Engineering at the Georgia Institute of Technology and a Masters in Computer Science from Rutgers University. I still do a bit of programming using everything from C and C++ to Rust and Ada/SPARK. I do a bit of PHP programming for Drupal websites. I have posted a few Drupal modules.

I still get a hand on software and electronic hardware. Some of this can be found on our Kit Close-Up video series. You can also see me on many of our TechXchange Talk videos. I am interested in a range of projects from robotics to artificial intelligence.