Experimental Physics and
Industrial Control System

"Pearson, Matthew R." <[email protected]> · Tue, 8 Oct 2013 17:34:21 -0400

Hi,
> ecord(stringout, "$(P):$(R):startdaqfile")
> {
>     field(DESC, "start DAQ into FILE")
>     field(OMSL, "CLOSED_LOOP")
>     field(DOL,  "filename.VAL")

Should it be:
field(DOL, "$(P):$(R):filename.VAL")  ?

Cheers,
Matt

>     field(DTYP, "stream")
>     field(OUT,  "@callbash.proto callbash(STARTDAQFILE) dummy $(A)")
> }
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> 
> My .prot protocolfile looks like this:
> ----------------------------------------------------------
> callbash {
>     exec 'system "./daqcontrol.sh \$1 %s"';
> }
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> 
> And the shellscript daqcontorl.sh like this:
> ----------------------------------------------------------
> #!/bin/bash
> echo DAQ control
> echo called with command: $1
> echo filename:            $2
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> 
> 
> The first record should hold a filename of the datafile to be written, 
> the second record launches the shell script which starts the DAQ with 
> certain command and filename.
> command "STARTDAQFILE" specifies the DAQ mode.
> the second parameter is the filename to be used when starting the DAQ.
> My idea was, that this filename is taken from the first db-record.
> My understanding from the manual is, that if i specify "OMSL 
> CLOSED_LOOP", then the output value is read from the given link, and not 
> from the actual value written to the record.
> 
> But if i now do a "caput XYTABLE:startdaqfile 1" (or alternatively 
> "caput XYTABLE:startdaqfile.PROC 1") then my shell script is called with 
> two parameters:
> "STARTDAQFILE" and the number i use in the caput command.
> The filename from the first record is ignored.
> 
> Any idea what i am doing wrong ?
> This is the last piece i am missing to get it running...
> 
> 
> 

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System