Hello,
I'm trying to use subArray record type to split up a larger waveform record into smaller waveforms:
I am starting with a waveform record with 16 elements:
The first subArray is at index 0
The second subArray is at index 4
The 3rd subArray is at index 8
The 4th subArray is at index 12
I have a question on the trailing zeros. why does caget report trailing zeros; is this a bug?
The following is the simple testing for this problem:
==============output for the simple testing:
caput -a wave_test 16 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Old : wave_test 16 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 New : wave_test 16 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
caget subArr1
subArr1 16 1 2 3 4 0 0 0 0 0 0 0 0 0 0 0 0 /* I only need the first 4 numbers, no training 0 */
caget subArr2
subArr2 16 5 6 7 8 0 0 0 0 0 0 0 0 0 0 0 0
caget subArr3
subArr3 16 9 10 11 12 0 0 0 0 0 0 0 0 0 0 0 0
caget subArr4
subArr4 16 13 14 15 16 0 0 0 0 0 0 0 0 0 0 0 0
=============Db definition for the simple testing:
record(subArray, subArr1) {
field(DESC, "ayb array 1")
field(NELM, "4")
field(INP, "wave_test.VAL")
field(INDX, "0")
field(FTVL, "SHORT")
field(MALM, "16")
}
record(subArray, subArr2) {
field(DESC, "ayb array 2")
field(NELM, "4")
field(INP, "wave_test.VAL")
field(INDX, "4")
field(FTVL, "SHORT")
field(MALM, "16")
}
record(subArray, subArr3) {
field(DESC, "ayb array 3")
field(NELM, "4")
field(INP, "wave_test.VAL")
field(INDX, "8")
field(FTVL, "SHORT")
field(MALM, "16")
}
record(subArray, subArr4) {
field(DESC, "ayb array 4")
field(NELM, "4")
field(INP, "wave_test.VAL")
field(INDX, "12")
field(FTVL, "SHORT")
field(MALM, "16")
}
record(fanout, mylinker) {
field(FLNK, "subArr1")
field(LNK1, "subArr3")
field(LNK2, "subArr2")
field(LNK3, "subArr4")
}
record(waveform, wave_test) {
field(NELM, "16")
field(FTVL, "SHORT")
field(EGU, "Counts")
field(SCAN, "Passive")
field(FLNK, "mylinker")
}
Thanks.
Julia Zhang
- Replies:
- RE: About subArray trailing zeros Szalata, Zenon M.
- Re: About subArray trailing zeros Andrew Johnson
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