Andrew Johnson wrote:
john sinclair wrote:
Are there any plans to move toward a less expensive RTOS replacement for
vxWorks? I am interested in RTEMS but would also like to be able to
use a commercial product (without having to put up with Wind River).
RTEMS is available as a commercial product - you can pay oarcorp for
support if you don't want to do everything yourself. Currently that's
the leading alternative to vxWorks for IOCs with real hardware
interfaces, although I'm personally interested in Jaluna, an open source
(but also commercially supported) derivative of ChorusOS. It shouldn't
be very hard to write the OSI routines to get EPICS running on Jaluna,
which provides full Posix realtime support
RTEMS also supports the Posix API.
Unfortunately, my performance evaluation software had a bug
which resulted in apparently inferior latency figures
when using the POSIX API.
Repeated tests with the corrected benchmarking software
yielded the same low latencies measured when using
the native API.
-- Till
and a choice of 3 memory
models, although nobody's doing this yet. http://www.jaluna.com/
- Andrew
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