I'm migrating from digitemp and with digitemp if I was getting errors with
my serial or USB adapter or bus, I got clear errors from the program.
With owfs, I didn't find a clear explanation of what happens if I'm trying
to read a temperature from the virtual filesystem, and:
- bus is too long/unstable and the read yields a CRC error
- the 1 wire bus gets unplugged from the interface, so all devices disappear
- the USB interface (DS2490) locks up
- the serial interface (DS9097U) has some other kind of error
I realize that something will likely end up in the logs for this, but what
happens to my read system call on the temperature file in the 4 different
cases listed above?
Thanks,
Marc
--
"A mouse is a device used to point at the xterm you want to type in" - A.S.R.
Microsoft is to operating systems & security ....
.... what McDonalds is to gourmet cooking
Home page: http://marc.merlins.org/
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