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

Subject: Re: stream device driver parse question
From: Rod Nussbaumer <nbomr2k03@gmail.com>
To: florian@ep1.ruhr-uni-bochum.de, marco_hair@163.com
Cc: tech-talk@aps.anl.gov
Date: Thu, 17 May 2012 21:11:00 -0600
Note that this method will write to the .VAL field of the target record, but that record but it will not process. FLNK from the steam record to get the target record to process. Older versions of steamDevice require you to explicitly specify the field name, even if it is the .VAL field.


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-------- Original message --------
Subject: Re: stream device driver parse question
From: Florian Feldbauer <florian@ep1.ruhr-uni-bochum.de>
To: marco_hair@163.com
CC: tech-talk <tech-talk@aps.anl.gov>


Hi,

you can use the redirection mechanism of streamdevice.
Just configure your ai1 record to use stream as DTYP and the protocol as
input:

record (ai "ai1") {
     field (DTYP, "stream")
     field (INP,  "@myDev.proto getMsg dev1")
     field (SCAN, "I/O Intr")
  }


Your protocol would look like this:
getMsg {
   in "*05CC%d#*05DD%(ai2.VAL)d#*05EE%(ai3.VAL)#"
}

I'm not sure though if one should define the length for the format
converters here?

Best regards,
Florian

Am 17.05.2012 07:15, schrieb Silver:
> hi, all:
>
>    If the device send a string to IOC automaticlly, the data is like "*05CC1234#*05DD5678#*05EE1345#". I have three ai records as ai1,ai2,ai3.
> I want to get "1234" of "*05CC1234#" to ai1, "5678" of "*05DD5678#" to ai2, "1345" of "*05EE1345#" to ai3, how can I implement it?
>    thanks a lot in advance.
>
>
> Best regards
> Geyang  2012-05-17
>


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