|
Hi Jakob,
That’s what I did too. I also changed it in the example st.cmd in ADPilatus.
Thanks,
Mark
Sent from my iPhone
On May 17, 2022, at 7:45 PM, Wlodek, Jakub via Tech-talk <tech-talk at aps.anl.gov> wrote:
Hi Mark,
We also recently ran into this configuring a Pilatus detector at NSLS2 with recent versions of base/areaDetector. Indeed, as Andrew said, the solution we found was to change "\030" to "\x18" which is the two digit hex equivalent.
Best,
Jakub
From: Tech-talk <tech-talk-bounces at aps.anl.gov> on behalf of Andrew Johnson via Tech-talk <tech-talk at aps.anl.gov>
Sent: Tuesday, May 17, 2022 5:34 PM
To: tech-talk at aps.anl.gov <tech-talk at aps.anl.gov>
Subject: Re: Octal escape sequence translation issue in base 7.0.6.1?
Hi Mark,
On 5/17/22 4:17 PM, Mark Rivers via Tech-talk wrote:
Folks,
I just switched to using base 7.0.6.1 on my beamlines. When I try to start a Pilatus detector I get this error:
# Set the input and output terminators.
asynOctetSetInputEos("camserver", 0, "\030")
Set EOS failed: camserver illegal eoslen 3
It appears that it is interpreting the escape sequence \030 as a string of 3 characters rather than as a single character. Is this a bug in base 7.0.6.1 or a problem with my syntax? This used to work fine with base 7.0.4, I have not
changed anything.
I assume iocsh is using epicsString.h functions to interpret the escapes inside parameters, these changes appeared in
EPICS 7.0.5:
Character Escape Changes
- The libCom routines
epicsStrnRawFromEscaped() and dbTranslateEscape() declared in epicsString.h no longer accept octal escaped characters such as \123 or \41. - The routine
epicsStrnEscapedFromRaw() now generates hex excaped characters for unprintable characters such as \x1f. - Hex escape character sequences
\xXX must now contain exactly 2 hex digits. - An escape sequence
\0 now generates a zero byte in the raw string, but the other digits 1-9 should not appear after a back-slash.
These changes are to more closely follow the JSON5 standard, which doesn't support octal character escapes or the \a (Bel, \x07) escape sequence.
2-digit hex \xXX escapes should work fine on both sides of the change.
- Andrew
--
Complexity is free, it's Simplicity that takes work.
|
