Re: StreamDevice waveform record reports CALC error

[John Dobbins via Tech-talk <tech-talk at aps.anl.gov>]

Yes, it was the colon. Thanks.  John

---

From: Freddie Akeroyd - STFC UKRI <freddie.akeroyd at stfc.ac.uk>
Sent: Friday, December 6, 2024 5:27:51 PM
To: 'Michael Davidsaver' <mdavidsaver at gmail.com>; John Dobbins <john.dobbins at cornell.edu>
Cc: tech-talk at aps.anl.gov <tech-talk at aps.anl.gov>
Subject: RE: StreamDevice waveform record reports CALC error

 

Hi John,

A CALC error usually indicates there is input that cannot be parsed (https://nam12.safelinks.protection.outlook.com/?url="">)   and I noticed  a   :  in the example you pasted   123108:240.0000    so if that is being added by the galil then it will likely cause the parse error in stream device. If this is a "feature" of the galil then you could try adding a stream device regex input pseudo converter https://nam12.safelinks.protection.outlook.com/?url=""> to pre-parse the input and replace  any :  with a  ,

Regards,

Freddie

> -----Original Message-----
> From: Tech-talk <tech-talk-bounces at aps.anl.gov> On Behalf Of Michael
> Davidsaver via Tech-talk
> Sent: 06 December 2024 20:12
> To: John Dobbins <john.dobbins at cornell.edu>
> Cc: tech-talk at aps.anl.gov
> Subject: Re: StreamDevice waveform record reports CALC error
>
> On 12/6/24 07:56, John Dobbins via Tech-talk wrote:
> > All,
> >
> > I am using StreamDevice to read into a waveform record. While it is working
> the waveform STAT = CALC. I have no idea what this is telling me.
>
> There are two places where CALC_ALARM appears in the stream source.
>
> Turning on (super) verbose debugging with the streamDebug iocsh variable
> might help to distinguish.
>
> > var streamDebug 1
>
> https://nam12.safelinks.protection.outlook.com/?url="">
> Device/blob/668d1d525509604ab4ccd7382022dfb469c99841/src/StreamE
> pics.cc*L1083-L1085__;Iw!!G_uCfscf7eWS!aBhqEAW8eSGRZFZ7c0-
> EQ5M1p77k6VTomM1-
> _usJJCJ1xVPN8EitMeGQx6QJmH7JO9xZ8SxLRj1nVo26UneFqHKWMQ$
>
> https://nam12.safelinks.protection.outlook.com/?url="">
> Device/blob/668d1d525509604ab4ccd7382022dfb469c99841/src/StreamE
> pics.cc*L1461__;Iw!!G_uCfscf7eWS!aBhqEAW8eSGRZFZ7c0-
> EQ5M1p77k6VTomM1-
> _usJJCJ1xVPN8EitMeGQx6QJmH7JO9xZ8SxLRj1nVo26UnevSs6Xyw$
>
>
> > AsynTrace does not report any problems.
> >
> >
> > EPICS 7.0.2,  StreamDevice-2-8-9
> >
> > The record in question:
> >
> > record(waveform, "ID5:SCCU19:array") {
> >      field(DTYP, "stream")
> >      field(FTVL, "DOUBLE")
> >      field(NELM, "18")
> >      field(INP,  "@galil.proto get_sccu_array() $(PORT)")
> >      field(SCAN, "1 second")
> >      field(FLNK, "ID5:SCCU19:array_event") }
> >
> >
> > epics> dbpr ID5:SCCU19:array 4
> > ACKS: INVALID       ACKT: YES           APST: Always        ASG :
> > ASP : PTR (nil)     BKLNK: ELL 18 [0x1e0f870 .. 0x1e1a5f0]  BKPT: 00
> > BPTR: PTR 0x1e2b1d0 BUSY: 0             DESC:               DISA: 0
> > DISP: 0             DISS: NO_ALARM      DISV: 1             DPVT: PTR
> > 0x1e2da80
> > DSET: PTR 0x844f60  DTYP: stream        EGU :               EVNT:
> > FLNK: DB_LINK ID5:SCCU19:array_event    FTVL: DOUBLE        HASH: 0
> > HOPR: 0             INP : INST_IO @galil.proto get_sccu_array()
> > MDCP_49
> > LCNT: 0             LOPR: 0             LSET: PTR 0x1e27c30
> > MLIS: ELL 0 [(nil) .. (nil)]            MLOK: a0 b1 e2 01 00 00 00 00
> > MPST: Always        NAME: ID5:SCCU19:array                  NELM: 18
> > NORD: 18            NSEV: NO_ALARM      NSTA: NO_ALARM      OLDSIMM:
> > NO
> > PACT: 0             PHAS: 0             PINI: NO            PPN : PTR
> > (nil)
> > PPNR: PTR (nil)     PREC: 0             PRIO: LOW           PROC: 0
> > PUTF: 0             RARM: 0             RDES: PTR 0x1db7050 RPRO: 0
> > RSET: PTR 0x847020  SCAN: 1 second      SDIS: CONSTANT      SDLY: -1
> > SEVR: INVALID       SIML: CONSTANT      SIMM: NO            SIMPVT:
> > PTR (nil)
> > SIMS: NO_ALARM      SIOL: CONSTANT      SPVT: PTR 0x1e30430 SSCN:
> > <nil>
> > STAT: CALC          TIME: 2024-12-06 10:52:45.618293874     TPRO: 0
> > TSE : 0             TSEL: CONSTANT      UDF : 0             UDFS:
> > INVALID VAL : PTR (nil)
> >
> >
> > The proto file
> >
> > --------------------------------
> >
> > OutTerminator = CR;
> > InTerminator = "";
> > ReplyTimeout = 3000;
> > ReadTimeout = 100;
> >
> > get_sccu_array {
> >    separator=", ";
> >    out "QU sccu[],0,17,1";
> >    in "%f";
> > }
> >
> > --------------------------------
> >
> > The command  sccu[],0,17,1  request the elements of the array,
> sscu_array[], returned as a string with a comma as the separator.
> >
> > :QU sccu[],0,17,1
> >   77.7463, -131.1270, 175.9897, 96.7502, 23666.0000, 23666.0000,
> > 23666.0000, 23666.0000, 23669.0000, 23670.0000, 23671.0000,
> > 23671.0000, -42.7689, 0.0000, 123108:240.0000, 23670.0000, 0.0000,
> > 0.0000
> >
> >
> > Any advice appreciated.
> >
> > Thanks,
> >
> > John Dobbins
> >
> > Research Support Specialist
> > Cornell High Energy Synchrotron Source Cornell University
> >
> > https://nam12.safelinks.protection.outlook.com/?url="">
> > WS!aBhqEAW8eSGRZFZ7c0-EQ5M1p77k6VTomM1-
> _usJJCJ1xVPN8EitMeGQx6QJmH7JO9x
> > Z8SxLRj1nVo26UnfQCVDNrg$
> > <https://nam12.safelinks.protection.outlook.com/?url="">
> >
> eWS!ar8DNSD3wtwletm5wJpAz9rza4Yc3Du1OJI0RHbbZn4HIUWallG1jM1gcP
> ZqJlwhcW
> > MQS5Yj8BvPTm3Icccqs8SiO_jEMaE$>
> >
> >
> >
> >