Functional safety
Self-test library for Infineon microcontrollers
Hitex, a provider of software and debugging tools for embedded systems, has developed a self-test library that is specially tailored to Infineon's XMC4000 microcontroller family.
According to Hitex, which has been operating as a subsidiary of Infineon since 2003, this should enable developers of SIL2 and SIL3-certified industrial applications to quickly identify and mark safety-critical points in the microcontrollers.
The self-test library is intended to enable developers to achieve the safety requirements necessary for certification with as few modifications to their hardware components as possible.
The library belongs to the family of Fault Robust Software Test Libraries (fRSTL), which work according to the principle of 'fault injection', i.e. deliberately injecting errors into the system in order to make security-critical points recognizable. The technology was developed and patented by the Italian software company Yogitech, which specializes in functional safety and cooperates with Hitex. According to the manufacturer, the fRSTL for the XMC4000 was designed with the development of applications in factory automation, industrial drives and robotics in mind and is intended to make the IEC 61508 certification process easier for system developers. In addition to the pre-certified software, Hitex offers additional advice for the licensing process, source code and various guides.
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