[sane-devel] SANE API / How to detect disconnect of scanner
flo at rfc822.org
Mon Apr 13 06:29:37 UTC 2009
On Sun, Apr 12, 2009 at 07:42:05PM -0400, m. allan noah wrote:
> > I already had a look at the code and the only way for the fujitsu backend
> > to make an immediate read or write with returning the state is set_sleep_mode
> > it seems.
> dont spend too much time looking at 1.0.19, it is 14 months old, much
> has changed.
Its whats available with a single command on all of my production machines.
> > It would be nice to extend the SANE api to explicitly only query for hardware
> > state. I guess there is more use of that function than my little toying
> > with scanner buttons. For long running applications which open the device
> > its wise to regularly check if the hardware is still there.
> presumably if you are really integrating with udev or hal, you dont
> need sane to tell you the device is gone...
I am not talking about Desktop applications which might want to do
every magic possible.
Yes hal is nice but another set of abstraction layer i cant my head
wrap around. udev is nice for an admin who is capable of attaching
its own rules.
Florian Lohoff flo at rfc822.org +49-171-2280134
Those who would give up a little freedom to get a little
security shall soon have neither - Benjamin Franklin
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Size: 189 bytes
Desc: Digital signature
More information about the sane-devel