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ISO 26262
Data Coupling & Control Coupling
Verifying additional code for DO-178C
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DO-178C Multicore In-person Training (Fort Worth, TX)
GMV is a leader in the automotive sector with more than 20 years of experience.
Its solutions include cutting-edge technologies in autonomous driving, such us GNSS-based positioning & ADAS (computer vision, navigation, motion planning), SDV solutions (cloud-native & embedded-native architectures, microservices), safety-critical systems (up to ASIL-D, ISO 26262, ISO 21448), AI (Data processing, Decision-making, Situational Awareness, ML), cybersecurity (services, ISO 21434, PSOC & VSOC), connected vehicle solutions (safety & security, mobility, telematics) and C-ITS services (V2X).
It offers customized developments for different platforms (in-vehicle, mobile, infrastructure, cloud) and flexible collaboration with OEMs, Tier-1s, infrastructure, mobility service providers.
Summary
The challenge
- Code coverage analysis for safety-critical automotive software for a large EuropeanOEM
- The project was a large C++ project using modern language features and a sophisticated
build system - Qualification support needed for ISO 26262 certification
The solution
- Rapita supported GMV engineers to implement a RapiCover integration to collect coverage results during testing
- Two reporting configurations implemented to support customer workflow
- Qualification kit provided for project
The benefits
- Flexible integration supported analysis of modern C++ code on build system
- Support enabled GMV engineers to implement the integration
- Flexible licensing supported qualification across GMV business units
The challenge
GMV were looking for a solution for code coverage analysis for their safety-critical automotive software, which they were developing for a large European OEM.
The software was written in C++, and the project was very large, and built using a sophisticated build system.
As the end software required ISO 26262 certification, the solution would need to be qualified.
GMV selected Rapita Systems and its RVS software to help implement a robust verification workflow for the project.
The solution
Rapita worked with GMV engineers to integrate RapiCover, Rapita’s code coverage analysis solution, into the project environment.
The solution could produce coverage results for function call, statement, and branch coverage, as well as Modified Condition/Decision Coverage (MC/DC). While the project didn’t require coverage analysis at the MC/DC level, this was available in the integration, which was helpful for futureproofing GMV’s project and verification processes.
To support analysis of the modern C++ language features used in GMV’s code, specific compiler extensions were added to the project to ensure that RapiCover could analyze the full code base.
The GMV and Rapita team set up two configurations for reporting of coverage results, including reporting using GMV’s continuous integration system.
To meet ISO 26262 requirements, GMV needed RapiCover to be qualified for use on the project. This was achieved by the combination of an off-the-shelf qualification kit for RapiCover, together with a qualified integration service to ensure that the use of RapiCover on GMV’s specific environment was robust.
The benefits
RapiCover’s flexible integration strategies ensured that coverage results could be collected efficiently even on GMV’s project environment, which was complex. RapiCover handled coverage reporting for the full project, which was very large, and compiler extensions ensured support for all of GMV’s C++ code. This also supported reporting using GMV’s preferred process, which was to
have two reporting mechanisms, including reporting through their continuous integration system.
As RapiCover supports the automation of coverage analysis and reporting up to MC/DC, the use of RapiCover on the project has provided confidence that RapiCover can meet GMV’s verification needs if they later require it for other projects.
Rapita’s flexible licensing supported qualification for the project. The qualification kits deployed for this project were pre-purchased by GMV’s central procurement department, and can be used for ISO 26262 and DO178C (aerospace) projects with no restrictions.
“RapiCover is a flexible tool that has increased the efficiency of our engineering team. RapiCover has been a critical element to achieve the project objectives: its integration and reporting capabilities has given us data we can trust on the progress of the verification activities and the quality of our software. Rapita support has exceeded our
expectations.”
Ricardo Eito Brun
Quality Assurance Manager
GMV
