Experimental Physics and
Industrial Control System

"Phillip A. Sorensen" <[email protected]> · Thu, 1 Feb 2007 17:04:23 -0500 (EST)

>> From: Phillip Sorensen [mailto:[email protected]]
>>
>> I am trying to get a device working with StreamDevice 2-1.  My device
>> returns a message in the form of "OK:value,checksum".  The checksum is
>> only for the value part of the message.  I am able to skip the "OK:" by
>> using the width field, but trying to use the precision field to skip the
>> "," between the value and checksum gives an error about not being able
>> to use the precision field.
>>
>> Is there a way to tell the parser to skip the ","?
>
> According to the docs, this should be achievable as you suggest, using:
>
> in "OK:%f,%3.1<xor>"
>
> or whatever value and checksum conversion type you need.
> I've looked at the code and can't see why a precision wouldn't work.
>
> What is the error message, exactly?

The line in the protocal file is "OK:%f,%3.1<sum8>".  And the error is
"Use of precision field only allowed in output formats". From what I can
tell the error comes from the StreamProtocol.cc file in StreamDevice-2.1.

I have moved to snapshot-20061002, and things are working.

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System