embOS-Safe
Proven RTOS technology certified for use in safety-critical applications.
- Pre-certified for leading functional safety standards
- Proven RTOS technology based on embOS-Ultra
- Backed by SEGGER’s in-house functional safety expertise
- 1.embOS-Ultra-Safe: functional safety built into an RTOS
- 2.Key features
- 3.MPU support in embOS-Ultra-Safe
- 4.Use cases
- 4.1.Industrial
- 4.2.Medical
- 4.3.Automotive
- 5.Other safety-critical applications
- 6.Less certification effort with embOS-Ultra-Safe
- 7.Your benefits
- 8.Functional safety expertise at SEGGER
- 9.embOS-Classic-Safe
- 10.Licensing
- 11.FAQ
embOS-Ultra-Safe: functional safety built into an RTOS
embOS-Ultra-Safe brings the technology of embOS-Ultra to safety-critical applications. At its core is embOS-Ultra's cycle-resolution timing, enabling precise scheduling at CPU-cycle resolution rather than relying solely on a periodic system tick.
API compatibility with the other embOS variants makes it straightforward to reuse existing application code or migrate an existing embOS project to embOS-Ultra-Safe. Combined with functional safety certification, this provides a powerful RTOS foundation for applications with demanding real-time and safety requirements.
Key features
Pre-certified RTOS
embOS-Ultra-Safe provides a pre-certified RTOS for safety-critical embedded applications, reducing the effort required to develop and certify the final product.
In-house safety expertise
SEGGER’s dedicated in-house FUSA-team manage the certification process, enabling timely support for new processor cores, compiler versions, and new safety standards.
API compatibility
embOS-Ultra-Safe is API-compatible with all other embOS variants, allowing existing applications and software components to be reused with little or no modification.
One-stop solution
embOS-Ultra-Safe is part of SEGGER's one-stop solution. This allows users to benefit from an extensive portfolio of software libraries, middleware, debug probes, and production tools.
MPU support in embOS-Ultra-Safe
For processors with a hardware Memory Protection Unit (MPU), embOS-Safe includes MPU support as part of its certified safety concept. MPU-based task isolation provides an additional layer of protection by separating memory areas and helping prevent unintended access between tasks.
Use cases
Safety across product sectors
embOS-Ultra-Safe provides a certified RTOS foundation for safety-critical applications across a wide range of industries. The examples below show key sectors already covered by its current certification scope.
Industrial
IEC 61508 SIL3
Industrial automation, robotics, and other safety-critical machinery.
Medical
IEC 62304 Class C
Medical devices with software classified up to IEC 62304 Class C.
Automotive
ISO 26262 ASIL D
Automotive ECUs and other systems developed up to ASIL D.
Other safety-critical applications
Beyond the sectors shown above, SEGGER can address additional standards and certifications on request for applications in areas such as:
- Rail
- Aviation
- Space
- Other safety-critical industries
Less certification effort with embOS-Ultra-Safe
Functional safety certification involves much more than testing. Software development, documentation, verification, validation, and traceability all need to meet the requirements of the applicable safety standard.
SEGGER handles all RTOS-level activities
SEGGER manages the entire RTOS lifecycle—delivering fully verified, validated, and TÜV-certified safety out of the box. Integration of embOS-Ultra-Safe remains the single required step before final system certification. Pure efficiency, minimum integration efforts.
Your benefits
Reduce certification effort
Start with a pre-certified RTOS instead of certifying the operating system from scratch.
Save development time and costs
Reduce the resources required for functional safety development and focus engineering effort on the application and final product.
Accelerate time to market
Avoid repeating extensive RTOS qualification activities and build on a ready-to-use, certified foundation.
Functional safety expertise at SEGGER
Functional safety is an integral part of embOS-Ultra-Safe development. SEGGER’s own functional safety specialists manage the certification process and work directly with the certification body.
This in-house expertise enables SEGGER to respond quickly as embedded technology evolves and to extend the certification scope to new processor cores, compiler versions, and functional safety requirements.
embOS-Classic-Safe
Proven functional safety since 2018
embOS-Classic-Safe has been certified for functional safety applications since 2018, reflecting SEGGER’s long-standing experience in safety-critical RTOS development.
While we recommend embOS-Ultra-Safe for new safety-critical projects, embOS-Classic-Safe remains available on request for exceptional cases, for example where an existing project specifically requires the classic embOS architecture.
Licensing
The software is available under various embedded software license models and can be delivered as source code. All commercial licenses are based on a one-time payment, are royalty-free, and include six months of updates and support from SEGGER’s Embedded Experts.
There are no subscription fees, ensuring predictable and fixed costs over the entire product lifetime.
For non-commercial use, evaluation, and educational purposes, the software is provided under SEGGER’s Friendly License.
FAQ
Which functional safety standards does embOS-Ultra-Safe support?
embOS-Ultra-Safe is certified for IEC 61508 SIL 3, IEC 62304 Class C, and ISO 26262 ASIL D, covering industrial, medical, and automotive applications. Additional standards and certification requirements for industries such as rail, aviation, and space can be addressed on request.
Is a BSP included with embOS-Ultra-Safe?
Yes. embOS-Ultra-Safe includes an individual Board Support Package (BSP) tailored to the customer’s specific target hardware, providing a ready-to-use foundation for integrating the RTOS into the application.
Can I migrate an existing embOS project to embOS-Ultra-Safe?
Yes. embOS-Ultra-Safe is API-compatible with the other embOS variants, making it straightforward to reuse existing application code and migrate existing embOS projects.
What documentation is provided with embOS-Ultra-Safe?
Customers receive the relevant certificate, safety manual, and supporting documentation required to integrate embOS-Ultra-Safe into their functional safety development and certification process.
What if my processor core or compiler version is not currently covered?
SEGGER’s in-house functional safety team can extend the certification scope to support additional processor cores and compiler versions. Contact SEGGER to discuss the requirements of your project.
Is embOS-Classic-Safe still available?
Yes. embOS-Classic-Safe has been certified for functional safety applications since 2018 and remains available on request for exceptional cases. For new safety-critical projects, SEGGER recommends embOS-Ultra-Safe.
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