LDRA, DDC-I team for multicore aerospace system test

August 30, 2021 // By Nick Flaherty
LDRA, DDC-I team for multicore aerospace system test
Software tools for developing, verifying, and hosting production code in safety-critical multicore cockpit environments requiring RTC DO-178C/ED-12C-compliant and FACE software

UK software tool developer LDRA has updated its integration with DDC-I for aerospace and defense applications.

The LDRA tool suite now supports DDC-I’s Deos safety-critical real-time operating system (RTOS) featuring SafeMC multicore technology, and the latest OpenArbor Eclipse-based integrated development environment (IDE).

The combination enables avionic system manufacturers to quickly and cost-effectively develop, debug, test, and deploy software that can be readily certified to the latest requirements such as RTC DO-178C/ED-12C.

The integration provides source code static analysis as well as software dynamic analysis, including MC/DC coverage on the host and target. Software unit testing on the host and target provides improved code quality, safety, and security and reduces test time and cost.

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The integration helps developers manage and achieve compliance for applications in increasingly complex safety-critical cockpit environments that leverage emerging technologies for building safer, more economical, and more capable aircraft. These new technologies include integrated modular avionics architectures and multicore processors, both now de facto standards in the avionics industry.

“Proving the avionics system is properly partitioned to avoid interference from competing cores is critical, yet it’s a nearly impossible challenge without the proper development and testing tools,” said Ian Hennell, Operations Director at LDRA. “Using the LDRA/DDC-I integration, developers can ensure the software is safe and meets the most demanding avionics standards such as DO-178C and the Future Airborne Capability Environment (FACE) Technical Standard.”

The combination also supports conformance to the FACE Technical Standard for integration in military systems in the US. This needs full source-code coverage analysis under the Deos SafeMC as well as an efficient unit testing harness for performing fully automated unit and regression testing and the ability to analyze and visualize coding standards compliance within the OpenArbor IDE.

The tool has support for x86, PowerPC, and ARM single and multicore processors with compliance with industry-

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