Experimental Physics and Industrial Control System
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Hi Noboru,
My recollection is that RTEMS also implements the iTron API. Did you
look at that?
Pete.
Noboru Yamamoto wrote:
Hi Bob,
Dalesio, Leo `Bob` wrote:
>It seems that we are diverging on these. It is a little worrisome, as
operating system problems are ones that are very difficult to find and
fix. It would seem most efficient to limit the number of these that we
employ.
>In an interest to at least inform the community, there should be a
session at the next meeting that covers open source OS. Could people
please volunteer to cover your open source RTOS at ths meeting? I know
that we have had talks on some of them, but never as a concentrated
topic with the express purpose and finding out if there is one that is
clearly better - or if there is a compelling reason to limit our
support to one (or two, or at least less than we have operator
interfaces).
>Bob
>
>
For KEK/KEKB, there is a good reason to port EPICS on iTRON.
First of all, Many inteligent devices available on the market in JAPAN
uses SH CPU and iTRON for its inteligent
controller. That means that there already exists BSP to support this
device on iTRON. These devices may have
enough CPU, memory and network connection. In some cases, the company
supplies SDK for it. So once
EPICS is ported to iTRON, there may be a good chance to hook these
devices on EPICS based network directly.
Since iTRON is quite popular in JAPAN, there would be not so difficult
an engineer familiar with iTRON and even
support from companies.
The fact that eCos support ITRON API, I have a hope to share some code
between osd for eCos an iTRON. It may
reduce a cost of code maintenance in future,
I agree that if I start a new project I will limit a number of (RT)OSses
in the system. I also don't wants to increase
a number of OSes "officially supported" in EPICS. However, we should not
restrict someone to port EPICS on other (RT)
OSes, as far as they take their responsibility. I hope that we, EPICS
commuity, will be open to change "officialy supported"
OSes in future, if there would be a good reason to do so. We don't even
know if WindsRiver or PowerPC still survive after 5 to 10 years
Regards,
Noboru
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