Re: StreamDevice waveform record reports CALC error

[Michael Davidsaver via Tech-talk <tech-talk at aps.anl.gov>]

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://urldefense.us/v3/__https://github.com/paulscherrerinstitute/StreamDevice/blob/668d1d525509604ab4ccd7382022dfb469c99841/src/StreamEpics.cc*L1083-L1085__;Iw!!G_uCfscf7eWS!aBhqEAW8eSGRZFZ7c0-EQ5M1p77k6VTomM1-_usJJCJ1xVPN8EitMeGQx6QJmH7JO9xZ8SxLRj1nVo26UneFqHKWMQ$ 

https://urldefense.us/v3/__https://github.com/paulscherrerinstitute/StreamDevice/blob/668d1d525509604ab4ccd7382022dfb469c99841/src/StreamEpics.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://urldefense.us/v3/__http://www.chess.cornell.edu__;!!G_uCfscf7eWS!aBhqEAW8eSGRZFZ7c0-EQ5M1p77k6VTomM1-_usJJCJ1xVPN8EitMeGQx6QJmH7JO9xZ8SxLRj1nVo26UnfQCVDNrg$  <https://urldefense.us/v3/__http://www.chess.cornell.edu__;!!G_uCfscf7eWS!ar8DNSD3wtwletm5wJpAz9rza4Yc3Du1OJI0RHbbZn4HIUWallG1jM1gcPZqJlwhcWMQS5Yj8BvPTm3Icccqs8SiO_jEMaE$>