I’m in the process of converting my old symbol / lib collection into QSpice symbols. I was wondering if I could automize partially with Python scripts.
It seems that some qsyms simply start with the hex sequence AB-73-79 …, others start with FF-D8-FF-DB-AB-73-79-…
Does anybody know what FF-D8-FF-DB means or when to add it (and when to leave it out).
Many thanks!
Just did some tests.
It looks like that the FF-D8-FF-DB sequence can be omitted.
However, if you have information on this, please let me know. Thanks.
Do you have a .qsym not begin with ÿØÿÛ (FF-D8-FF-DB) can upload to forum for reference? I searched all my .qsym (566 files in totol) and all begin with ÿØÿÛ.
Here is a reason that @mgyger figured about this leading character, also with Mike explanation.
You can try any qsyms from the installed. Some have a start sequence, So far work with
I guess in early development, leading characters ÿØÿÛ may not be implemented and symbol created before that doesn’t contain these leading characters. For example, DAC8.qsym begin with «symbol without ÿØÿÛ, it HEX sequence is AB-73-79…
With and Without these leading character can work fine. All symbol created through Qspice Symbol Editor with leading characters ÿØÿÛ added.
For now, I’m going to create my symbols without the trailing chars until I’m being told to do it differently :D.
It works pretty well with out (just created three OPA by copy & paste).
Thanks for having a look into it!
