Sequencer device support

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Sequencer device support

• Kukhee Kim

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Current SNC support
version seq tree EPICS base release notes known problems
1.9.5 seq-1.9.5.tar.gz R3.13.x    task deletion
1.9.6-beta seq-1.9.6-beta.tar.gz R3.13.x  notes by Ben F.  
2.0.2 seq-2.0.2.tar.gz R3.14.0beta1 notes by MRK Linux build
2.0.4 seq-2.0.4.tar.gz R3.14.2 see R3.14.2 see R3.14.2
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Sequencer Device Support

• Stringin support
• All values seen in seqShow
• Asynchronous update (Monitor)
• Updated by K. Kim from W. Luptons original code
  (of which he disavows knowledge)

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Details

• .dbd filedevice(stringin, INST_IO, devSiSeq,
  "Sequencer Internals")
• .db for examplerecord(stringin, "(NAME)")
• field(SCAN, "(SCAN)")
• field(DTYP, "(DTYP)")
• field(DESC, "(DESC)")
• field(INP, "_at_(PARAM)")

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Partial template

• file ../../db/dbSeqExample.db
• pattern NAME, DTYP,
  DESC, PARAM, SCAN
• "ss1timeElapsed", "Sequencer Internals",
  "", "sncExampless1timeElapsed", "I/O Intr"
• "ss1nStates", "Sequencer Internals", "",
  "sncExampless1nStates", "I/O Intr"
• "ss1currentState", "Sequencer Internals",
  "", "sncExampless1currentState", "I/O Intr"
• "nStateSets", "Sequencer Internals", "",
  "sncExample.nStateSets", "I/O Intr"
• "nAssign", "Sequencer Internals", "",
  "sncExample.nAssign", "I/O Intr"
• "nConnect", "Sequencer Internals", "",
  "sncExample.nConnect", "I/O Intr"
• "nChans", "Sequencer Internals", "",
  "sncExample.nChans", "I/O Intr"

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Status

• Supplied along with 2.04 (3.14.2)
• Also works with 2.02 (3.14.1)
• Mike Laznovsky is still the SNC support person
• Kukhee Kim did this as a diversion