Re: asyn/stream hang on (very long email, sorry in advance)

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

On 23.04.2014 11:51, Mauro Giacchini wrote:
> Dear All,
> I'm working to make an IOC which has to read strings on rs232;
> these strings are continuously sent from a box.
> Up to now I'm working just only to
> read the this string:
>
> "KS,[counter],[encoder0],[encoder1],[encoder2],[encoder3]"
>
> The IOC works very well to few hours,
> after that it's (the communication) hangs-on (??)
>
> Follow the protocol:
> ----------
> InTerminator = LF;
> #
> ExtraInput = Ignore;
> ReplyTimeout = 1000;
> ReadTimeout = 1000;
> LockTimeout = 5000;
Note that StreamDevice needs to poll the serial interface for new data 
when using "I/O Intr". The default for PollPeriod is ReadTimeout, which 
you set here to 1 second. That may be too long. Have it shorter than the 
expected repetition rate.
> knob_id { in "KS,%d,%*d,%*d,%*d,%*d" ; }
> knob_0 { in "KS,%*d,%d,%*d,%*d,%*d" ; }
> knob_1 { in "KS,%*d,%*d,%d,%*d,%*d" ; }
> knob_2 { in "KS,%*d,%*d,%*d,%d,%*d" ; }
> knob_3 { in "KS,%*d,%*d,%*d,%*d,%d" ; }
As Peter suggested, use redirection.

Dirk