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169 [epics] epics issues

first thing first

read manuals!!!!! - https://docs.epics-controls.org/en/latest/getting-started/EPICS_Intro.html - https://epics.anl.gov/base/R7-0/9.php - https://docs.epics-controls.org/en/latest/internal/ca_protocol.html - https://epics.anl.gov/base/R7-0/9-docs/CAref.html - https://epics.anl.gov/base/R3-15/9.php - https://epics.anl.gov/base/R3-15/6-docs/AppDevGuide/AppDevGuide.html - https://epics.anl.gov/base/R3-15/9-docs/CAref.html - https://epics.anl.gov/base/R3-15/6-docs/CAproto/index.html

Comments

konosubakonoakua · 2025-04-09T06:33:38Z

recGblRecordError: ai: init_record Error (514,5) PV: BLM:ZynqMP:PS:Temp

  • #include <epicsExport.h>
  • wrong ai dset 
    aidset devAiSoft = {
    { 6, NULL, NULL, init_record, NULL },
    read_ai, NULL
};
epicsExportAddress(dset, devAiSoft);

recGblRecordError: wf: init_record Error (514,5) PV: WF:CH0

  • read_wf must be implemented.

konosubakonoakua · 2025-04-09T09:30:12Z

iocInit in st.cmd, but not working

  • try to add a blank line below iocInit

konosubakonoakua · 2025-04-09T11:12:05Z

record driver working, but caget pv = 0

  • use prec->rval=val instead of prec->val=val, later is EGU value，then implement linear_conv
  • read_ai() return 2, if already obtained EGU value

konosubakonoakua · 2025-04-10T10:44:22Z

IOC build or instatllation error

IOC build or installation error:
    The xxxRecord defined in the DBD file has 68 fields,
    but the record support code was built with 454.
- make clean install && make

konosubakonoakua · 2025-04-21T02:17:40Z

wired intersected zeros & values of waveform record

BLM:WAV_AXIS_2000 2025-04-21 10:06:04.064604 2000 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0
You should check whether the type of your C array really matched with EPICS TYPES (ULONG something). On an aarch64 system, ULONG responds to uint32_t, not unsigned long which is 64bit

konosubakonoakua · 2025-04-22T01:39:13Z

epics multiple waveform pv not aligned on opi but aligned if dumped to file

  • maybe the update frequency is too fast

konosubakonoakua · 2025-04-25T09:19:31Z

Logic Error: process Target x ...

  • error 
    epics> Logic Error: processTarget 1 from 0xaaaad34b8d10, BLM(0xaaaad32db430) -> BLM:WAV_CH2_INTEGRAL_REALTIME_10US(0xaaaad32fe8b0)
Logic Error: processTarget 2 from 0xaaaad34b8d10, BLM(0xaaaad32db430) -> BLM:WAV_CH2_INTEGRAL_REALTIME_10US(0xaaaad32fe8b0)
Logic Error: processTarget 1 from 0xaaaad34b8d10, BLM(0xaaaad32db430) -> BLM:WAV_CH4_INTEGRAL_REALTIME_10US(0xaaaad32ff1f0)
  • root cause dbputfiled outlinks must protected with dbscanlock
  • use dbscanlock & dbscanunlock

konosubakonoakua · 2025-06-19T15:56:19Z

debug mode

  • add to CONFIG_SITE 
    # Debug
USR_CFLAGS += -g -O0
USR_CXXFLAGS += -g -O0

konosubakonoakua · 2025-06-25T03:06:30Z

autosave not working

  • check auto_settings.req
  • call create_moniter_set before iocInit 
    #- Autosave config
#- https://epics-modules.github.io/autosave/autoSaveRestore.html
set_requestfile_path("${TOP}/iocBoot/${IOC}", "")
set_requestfile_path("${TOP}/iocBoot/${IOC}", "autosave")
set_savefile_path("${AUTOSAVES}")
set_pass0_restoreFile("auto_settings.sav", "P=${P}")
set_pass1_restoreFile("auto_settings.sav", "P=${P}")
#- set_restoreSet_numSeqFiles(3)
#- set_restoreSet_SeqPeriodInSeconds(600)
#- set_restoreSet_RetrySeconds(60)
#- set_restoreSet_CAReconnect(1)
#- set_restoreSet_CallbackTimeout(-1)
#- create_monitor_set(<name>.req, <time in secs>, <macro>)
create_monitor_set("auto_settings.req", 1, "P=${P}")

cd "${TOP}/iocBoot/${IOC}"
iocInit

autosave not restoring

  • call set_pass0_restoreFile

konosubakonoakua · 2025-07-11T08:06:07Z

caget timed out, but dbl/dbgf works

try: 

export EPICS_CA_ADDR_LIST="localhost"
export EPICS_CA_AUTO_ADDR_LIST=NO
export EPICS_CA_MAX_ARRAY_BYTES=40000000