Experimental Physics and
Industrial Control System

Pete, 

That doesn't seem to work either (at least with a stringout record)

epics2@cr1com1 $ caput DMC2183:4:SO.VAL$ "111345678901234567890123456789012345678901234567890"
Old : DMC2183:4:SO.VAL$ 40 84 80 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
New : DMC2183:4:SO.VAL$ 40 -1 80 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

epics2@cr1com1 $ caput DMC2183:4:SO TP
Old : DMC2183:4:SO                   \377P
New : DMC2183:4:SO                   TP

epics2@cr1com1 $ caput DMC2183:4:SO.VAL$ TP 
Old : DMC2183:4:SO.VAL$ 40 -1 80 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
CA.Client.Exception...............................................
    Warning: "Channel write request failed"
    Context: "op=1, channel=DMC2183:4:SO.VAL$, type=DBR_STRING, count=1, ctx="DMC2183:4:SO""
    Source File: ../oldChannelNotify.cpp line 159
    Current Time: Mon Sep 27 2010 11:30:26.479313091
..................................................................
New : DMC2183:4:SO.VAL$ 40 -1 80 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

I am not sure how to read this, but the number 40 probably means that the stringout is limited to 40 chars.

--
E


On 21:18 Fri 24 Sep     , Pete R. Jemian wrote:
> caput myStringout.VAL$
>
> Remember, .VAL is the default field if a field is not specified.
>
> On 9/24/2010 9:14 PM, [email protected] wrote:
>> I just read the following:
>> The IOC can now make long string fields accessible via CA
>>   â Enabled by appending â$â to the field part of the PV name
>>       â e.g. record.NAME$
>>   â The â$â is a Field Modifier which changes the reported type of the PV
>>     from DBR_STRING to an array of DBR_CHAR
>>   â The â$â suffix only works on string and link fields
>>
>> What does that mean?
>> I renamed my PV 'myStringout$':
>> caput myStringout$ "011234567890123456789012345678901234567890..."
>> caput myStringout$.NAME$ "..."
>>
>> doesn't work...
>>
>> Any idea?
>>

-- 
Emmanuel

Replies:

Re: Long string ... Andrew Johnson

Re: Long string ... Ralph Lange

References:

Long string ... emmanuel_mayssat

Re: Long string ... Pete R. Jemian

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