Service with Precise Interaction of Integrated Software Components
Embedded Office is your expert with many years of experience in functional safety software development.
We offer different services with the core competence of functional safety. In doing so, we follow our guiding principle of cooperation: transparent communication, honest estimations, and engaging employees who support your ideas.
5 Steps to Your Safety Platform
Safety Concept: Avoid and master possible faults
The risk of computer faults increases with each additional task. The Functional-Safety-Management ensures that we avoid or reduce random and systematic failures. Random errors are exclusively related to the hardware, so the software must handle all critical scenarios. With software components, called hardware self-tests, we check the ongoing operation to detect these random faults. If an error is detected, the application is informed and enters a previously defined safe state. A systematic error occurs during the development phase of software and hardware. We minimize possible systematic faults with adequate development strategies in a uniform and reproducible procedure.
In case you start your product development with a functional specification and need to write a safety concept. We can consult, guide, and support you for all safety standards in the automotive, industrial, medical, railway, and aerospace market.
If you need to define safety measures for a particular situation, we can consult you with our background of many years of experience in safety development.
In case your development started without an existing safety concept, we can support your development team with a Gap Analysis. It describes the missing activities or changes to fulfill your wanted safety capability.
The diagnostic coverage of your system is essential if you want to know which self-test you need for your product. We can help you to define the right collection of required self-tests.
Select Software: Use building blocks to reduce time-to-market
In the beginning, the catalog of building blocks for safety products is limited to software components with the right safety capability. Today, we mostly want to re-use one or more software parts from the non-safe area. We believe that the catalog of building blocks must contain all available software components (commercial and open-source). Therefore we need a strategy for separating safe vs. non-safe parts. We know multiple alternatives for this separation and can support you in the component selection phase.
A dedicated small microcontroller, running the small safety part of an application, is the old school of separation. This strategy is still useful today when no memory protection is available. We can consult and guide when choosing a matching microcontroller from the safety perspective.
Many small and medium microcontrollers and processors include a hardware memory protection unit. With this unit, it's possible to separate different safety capabilities on a single microcontroller. We provide a Flexible Safety RTOS, which includes this separation by default.
With high-end processors, virtualization is a path to separate different safety capabilities in time and space. We offer a hypervisor, which is suitable for usage in safety and security products.
Software Components for Safety Products
All pre-certified software components from Embedded Office have been assessed by independent authorities. This simplifies the usage in your safety product development because you receive a solid software component with a document, called Safety Manual. The Safety Manual contains guidance for your development team to achieve the documented safety capability. The safety assessment considers the applicable standards for:
Automotive - ISO 26262 up to ASIL D
Industrial - IEC 61508 up to SIL 3
Railway - EN 50128 up to SIL 4
Medical - IEC 62304 up to Class C
Realtime Operating System
With the Flexible Safety RTOS, we provide a pre-certified realtime operating system for safety and security products. Its deterministic behavior is guaranteed, and the memory protection hardware unit is handled by the kernel to get the same interface on all architectures.
For the aerospace market, the Partitioning System is a smart solution for separating multiple applications in time and space without virtualization. This allows the usage of medium processors and microcontrollers in these use cases.
Integrating multiple software components on new hardware platforms can result in a challenge. With our in-depth embedded knowledge, we can help you improve the speed and quality of the integrated platform.
When you need to update software in the field, we can support you in the development of a bootloader that fulfills your specific needs. We master several communication lines and security mechanisms.
In the case of selecting open-source components, we provide technical integration into your product. Regarding open-source licenses, we can help to avoid common mistakes.
Pre-Certification: Use a harmonized safety platform
Harmonizing Safety Manuals
When using multiple pre-certified components, you must consider all Safety Manuals. We can help you in harmonizing the Safety Manuals into a single source of guidance.
You can use already existing inhouse software components in safety projects, too. We can provide an efficient path for the pre-certification of such elements out of context.
All used components of a safety platform must fulfill your specific safety capabilities. We provide services for the required verification activities and needed analysis documents.
If you intend to use the resulting safety platform multiple times, it may be useful to achieve a pre-certification for the whole safety platform. We can prepare and manage the assessment with your chosen authority.
Long-Term Maintenance: Keep your product safe and secure
To achieve the optimized usage of the safety platform in your project, we offer individual project workshops with your application development team. This kind of workshop treats to make the best fitting application architecture.
All used components of a safety product are subject to functional safety management. We can consult and guide you through the safety monitoring, tracking, and regulatory needs.
For all Embedded Office components, we perform obligatory functional safety management. We can provide a so-called Maintenance Report, which includes all detected problems, workarounds, and fixes.
In case your safety platform should grow with new features or adjustments to new hardware platforms, you will get all source code files to perform these changes. We can consult and guide your team through the needed activities.
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