Re: hex stream processing with StreamDevice?

[Dirk Zimoch <dirk.zimoch@psi.ch>]

Mark Rivers wrote:
> Alan,
>
> You may be able to do everything by just writing a streamDevice protocol
> file.  streamDevice can calculate a number of CRCs, it can build and
> parse strings, etc.  
>
> For example, here is a simple protocol file for an Alcatel pressure
> gauge:
>
> InTerminator = CR LF;
> ENQ = \005;
> ACK = \006;
>
> readPressure {
>    out "PR1\r\n";
>    in "\${ACK}";
>    out "\${ENQ}";
>    in  "%*d, %f";
> }

Mark,
StreamDevice understands ACK and ENQ.

readPressure {
   out "PR1\r\n";
   in ACK;
   out ENQ;
   in  "%*d, %f";
}