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<== Date ==> <== Thread ==>

Subject: Re: What is all I need to know to write a CA protocal?
From: Zhichu Chen <[email protected]>
To: Seiler Christoph <[email protected]>
Cc: [email protected]
Date: Tue, 22 Sep 2009 14:50:52 +0800
Hi Seiler, thank you for all those informations and your library,
it'll be great if you could send me one copy of the document.

Actually I just tried Flex and ActionScript several weeks ago and yes
the functionality of AS is quite limited. But I've also heard that
there's something called Alchemy which is based on LLVM and could be
useful in another way. Anyway, this just sounds more like an excersics
or a toy now.

On Tue, Sep 22, 2009 at 2:23 PM, Seiler Christoph
<[email protected]> wrote:
> Hello,
>
> When I was writing a CA library in C# and I was strongly relying on the
> cosylab epics protocol specification at:
> http://epics.cosylab.com/cosyjava/JCA-Common/Documentation/CAproto.html
>
> Also you may be able to read something out of the source code of the
> library, which you find at:
> http://gfa-it.web.psi.ch/epicsSharp/
>
> At the moment I am writing an developer documentation for the library,
> which does also contain some basic stuff about the protocol, and if you
> are interested I'll send it to you, as soon as it is finished.
>
> But I do also want to express my doubts that it is possible to do a CA
> library with ActionScript. I am not really deep in ActionScript, but as
> far as I do know, it's missing to much of the network support to be able
> to do such a implementation.
>
> Kind regards,
> Christoph Seiler
>
> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]] On Behalf Of Zhichu Chen
> Sent: Dienstag, 22. September 2009 07:40
> To: [email protected]
> Subject: What is all I need to know to write a CA protocal?
>
> Hi,
>
> I'm planning to write an ActionScript library for CA, but I know little
> about the network. Could any of you give me some advice about which
> files in EPICS I should read?
>
> It's all started because I'm not totally satisfied with EDM. It's ugly
> (sorry to say that) and not platform-independent. I've tried some flash
> recently and felt amazing, so I want to use ActionScript and Flex SDK to
> make a beautiful and cross-platform interface.
>
> By the way, compiling EDM is not an interesting trip. The open()
> function should have three parameters but the one in utility.cc has only
> two so I have to add the "mode" parameter: 0644, I'm not sure if it's
> right, maybe 755 is better?
> Anyway, on a 64bit Ubuntu with gcc version 4.3.3, I can't link
> correctly, linking to libXm, libXp, blahblah.... reports "bad symbols"
> errors, but I guess it's the compiler's problem.
>
> --
> Best Regards
> Chen
> ----------------------------------------------------------------
>
>          Zhi-chu Chen | Shanghai Synchrotron Radiation Facility
>         No. 2019 | Jialuo Rd. | Jiading | Shanghai | P.R. China
>             tel: 086 21 5955 3405 | zhichu.chen.googlepages.com
>                                               | www.sinap.ac.cn
> ----------------------------------------------------------------
>
>



-- 
Best Regards
Chen
----------------------------------------------------------------

          Zhi-chu Chen | Shanghai Synchrotron Radiation Facility
         No. 2019 | Jialuo Rd. | Jiading | Shanghai | P.R. China
             tel: 086 21 5955 3405 | zhichu.chen.googlepages.com
                                               | www.sinap.ac.cn
----------------------------------------------------------------


References:
What is all I need to know to write a CA protocal? Zhichu Chen
RE: What is all I need to know to write a CA protocal? Seiler Christoph

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