NI teams with Analog Devices for embedded systems

The combination of the LabVIEW graphical development platform and the high-performance, low-power Blackfin processors delivers an out-of-the-box solution that companies are using to optimise costs and shorten time to market for embedded systems.

Application example

NAXYS selected the LabVIEW Embedded Module for Blackfin Processors to deploy a high-reliability, real-time monitoring system 850m below the ocean surface. The project called for the development of a subsea pipeline monitoring system in the Ormen Lange gas field off the coast of Norway to analyse vibrations that can potentially cause gas leaks or pipeline ruptures.

Using LabVIEW and the Blackfin-based ZMobile platform from Schmid Engineering, NAXYS created a network of underwater sensors that takes advantage of ultrasonic technology to synchronise multiple modules in real time while also being able to sleep for hours at a time. In addition, the system provides high-speed data collection, fast interrupt response and a multithreaded deterministic application.

Harald M½num, Senior Engineer at NAXYS, says: "The Ormen Lange pipeline monitoring system needed a solution that could operate in harsh conditions for long periods of time, which placed the highest demands on software and hardware reliability, in-program error handling and efficient energy management. The combination of LabVIEW and ADI Blackfin processors delivered the stability, versatility, performance and battery life we needed to meet both the time-to-market and quality requirements."

Automated pump

Boston Engineering chose the LabVIEW Embedded Module for Blackfin Processors in conjunction with FlexStack, a Blackfin-based off-the-shelf deployable hardware platform, for the development of an automated intravenous drip infusion pump that required slow flow rates, fail-safe operation and a simple user interface. Engineers used LabVIEW to design the algorithms on a PC, develop a hardware-in-the-loop test (HILT) system and deploy the final solution to a Blackfin processor.

Erik Goethert, a Design Engineer at Boston Engineering, states: "The use of LabVIEW in all aspects of the design process was critical to our success in getting the IV drip infusion pump completed faster and cheaper than our competitors. We were able to take the majority of our embedded code from the design phase all the way to the chip, significantly reducing our engineering costs and, therefore, the final cost of the solution."

The LabVIEW Embedded Module for Blackfin Processors 2.0 introduces new features to further simplify and enhance embedded system development. The latest version of the module targets four additional Blackfin processors including the ADSP-BF531 processor, which is the lowest-cost processor in the Blackfin family. The module also delivers increased efficiency for embedded system development including an average 36 per cent increase in generated code performance, improved debugging capabilities and integration with LabVIEW 8.20. In addition, the module adds new drivers for Two-Wire Interface (TWI) and a CMOS image sensor.

As with the previous version, the LabVIEW Embedded Module for Blackfin Processors 2.0 includes more than 140 Blackfin-specific, hand-optimised mathematical, analysis and signal processing functions; integrated I/O such as audio and video DACs, ADCs and CODECs; and on-chip debugging. The module also includes the fully featured and accessible ADI VisualDSP++ C development and debugging environment for low-level access and real-time, interactive debugging and deployment directly to Blackfin.

For more information about the LabVIEW Embedded Module for Blackfin Processors, including an online evaluation, tutorials and data sheets, visit www.ni.com/blackfin or www.analog.com/blackfinlabview. An evaluation kit, which includes an evaluation hardware board, cables and software, can be purchased for $399 (USD) at www.ni.com/blackfin.

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