These approaches are not incompatible and I would support both. I am also
interested in the possibility of moving towards RTEMS. But for smaller
sites, which want to make use of existing VxWorks drivers with the minimum
of effort, Jeff's idea would make a lot of sense.
Steve
-----Original Message-----
From: D. Peter Siddons [mailto:[email protected]]
Sent: Freitag, 30. Januar 2004 10:22
To: [email protected]
Subject: Re: buying tornado seats for EPICS application developers
I couldn't agree more!
Pete.
Till Straumann wrote:
> I'm glad we switched to RTEMS. These issues are history...
>
> In about 4-5 (wo)man-months a BSP can be developed (includes
> 'learning by doing' RTEMS training). If several projects/labs
> could decide on sharing BPSs, money could be saved. Plus,
> you have control over the source code.
>
> -- Till
>
> Jeff Hill wrote:
>
>> I am in the process of renewing our vxWorks maintenance.
>> Unfortunately, WRS
>> still does not have a two tier licensing scheme for users of Tornado GUI
>> tool verses folks that are just building and installing executables with
>> scripts (i.e. typical EPICS application developers). It occurs to me that
>> there is a potential to significantly reduce the cost of Tornado
>> ownership
>> at EPICS installations. It seems that if someone were to modify the SNL
>> compiler so that it produced byte code which is interpreted at run time
>> (similar to JAVA) and there was an option to create an alternative IOC
>> configuration where dependence on the target symbol table by vxWorks
>> compiled iocCore was removed (we already have this working on other OS
>> with
>> R3.14), then the application developer wouldn't need to use a Tornado
>> seat.
>> Sites might need to buy Tornado seats for building EPICS base and for
>> developing drivers, but not for developing EPICS function block
>> databases or
>> to develop SNL based logic.
>> I was just curious if there was any general level of interest in that
>> approach?
>> P.S.
>> I just heard that there is a new 8k US $ per year per seat licensing
>> model
>> from WRS which allows unlimited use of any hostArch / targetArch /
>> project
>> permutation by one user.
>>
>> Jeff
>> __________________________________________________________
>> Jeffrey O. Hill Mail [email protected]
>> LANL MS H820 Voice 505 665 1831
>> Los Alamos NM 87545 USA Fax 505 665 5107
>>
>>
>>
>>
>>
>>
>
>
>
--
D. Peter Siddons
Bldg. 725D, NSLS
Brookhaven National Laboratory
Upton, NY 11976
USA.
Email: [email protected]
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