WITTENSTEIN high integrity systems is a safety systems company that produces and supplies real time operating systems and software components to the medical, aerospace, transportation and industrial sectors.

WITTENSTEIN high integrity systems leverage RTOS technology from the FreeRTOS project to create OPENRTOS and SAFERTOS.

Product offering

OPENRTOS provides the only available commercial license for FreeRTOS. The OPENRTOS license removes all the FreeRTOS modified GLP license restrictions, and gives access to professional support, training and consultancy. OPENRTOS is available for IAR Embedded Workbench with fully integrated FAT File Systems, USB and TCP/IP software. It is delivered with StateViewer, a kernel aware plug-in which provides a high level of debug capability for users of IAR Embedded Workbench.

SAFERTOS, a pre-certified kernel for use in critical systems, is based on the FreeRTOS functional model but completely redesigned for the safety market. SAFERTOS was independently certified by TÜV SÜD in 2007 and is available with full life-cycle documentation and certification for a number of standards including IEC61508 SIL3, EN62304 and FDA510(k).

Integration with IAR Embedded Workbench

  • Works with all 16- and 32-bit microcontrollers supported by IAR Embedded Workbench.
  • Safety-critical RTOS support includes the safety certified version of IAR Embedded Workbench.
  • Can be used to display a snapshot of tasks, queues, semaphores and mutexes each time the debugger is paused or single stepped.
  • Two tables can be displayed, one to show task information and the other queue, semaphore and mutex information.

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