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Experimental Physics and
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Hi Michael, Thanks for your answer! I'm using EPICS base 3.15.6 in this case + stream device 2.8.8 + asyn R4-35. I'm controlling the number of points of my waveform by writing into another record that changes the number of points in my instrument. I'm using this record for the waveform: record(waveform, "$(P)$(R)Trace-Mon") { field(DESC, "Get trace waveform") field(SCAN, ".002 second") field(SDIS, "$(P)$(R)GetSpectrum-Sel.RVAL") field(DISV, "0") field(MPST, "On Change") field(APST, "On Change") field(PRIO, "HIGH") field(NELM, "32001") field(FTVL, "FLOAT") field(DTYP, "stream") field(INP, "@rsfsx.proto monTrace $(PORT)") field(FLNK, "$(P)$(R)TraceLen-Mon") } And the stream device protocol: monTrace { out "TRAC? TRACE1"; in "%f"; } In one terminal I was monitoring the NORD field of my waveform: SI-Glob:DI-TuneProc-H:Trace-Mon.NORD 2019-11-07 10:18:27.332989 1 550 On another terminal I changed the number of points of that waveform: lerwys@localhost:~$ caput SI-Glob:DI-TuneProc-H:SwePts-SP 600 Old : SI-Glob:DI-TuneProc-H:SwePts-SP 550 New : SI-Glob:DI-TuneProc-H:SwePts-SP 600 The monitor does not change when I change the number of points, but when I do the camonitor command again it shows the correct value for NORD: lerwys@localhost:~$ camonitor -# 1 SI-Glob:DI-TuneProc-H:Trace-Mon.NORD SI-Glob:DI-TuneProc-H:Trace-Mon.NORD 2019-11-07 10:18:27.332989 1 550 ^C lerwys@localhost:~$ camonitor -# 1 SI-Glob:DI-TuneProc-H:Trace-Mon.NORD SI-Glob:DI-TuneProc-H:Trace-Mon.NORD 2019-11-07 10:22:07.733633 1 600 One of my colleagues mentioned that maybe StreamDevice is not posting monitors on NORD. Doing a quick look at https://github.com/paulscherrerinstitute/StreamDevice/blob/2.8.8/src/devwaveformStream.c does not show any db_post_events () call. Could this be the issue? Thanks! Lucas On Wed, Nov 6, 2019 at 2:19 PM Michael Davidsaver <[email protected]> wrote: On 11/6/19 4:48 AM, Lucas Russo via Tech-talk wrote:
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ANJ, 07 Nov 2019 |
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