[BRLTTY] HumanWare Brailliant, connection issues?

[Jason White]

Mario Lang <mlang at delysid.org> wrote:
> 
> I am testing a HumanWare Braillaint B 80 right now.
> I think this display has the nicest feeling braille I have seen in a
> long time.  So I would really like to work with it in the future.

I'm thinking of buying a Bi 40 at some stage for interoperating with a mobile
phone that is also on my shopping list.
> However, I am seeing some instabilities which make me concerned.  For
> one, BRLTTY manages to initialize this device via USB only about 1 out
> of 3 tries.  Bluetooth seems to work always, but sometimes bluetooth
> connection attempts actually hang the firmware on the Braillaint.  Is
> anyone else using newer Braillaitn devices with BRLTTY and seeing
> similar problems?  I am trying to figure out if this is a generic
> problem with the device, or if I perhaps have got a somewhat faulty
> unit.

I'm asking the obvious, perhaps, but have you checked the firmware version?
> 
> Another issue I see is that it is apparently not possible to turn the
> device off.  If it is connected via USB, turning the device off produces
> a sound and blanks the display, but if a driver (BRLTTY) is trying to
> connect to it, the display will happily wake up and accept the
> connection (sometimes).  

I'm noticing oddities like this, occasionally, with my Baum SuperVario display
and BRLTTY 4.5. I haven't managed to track it down though: ideally, I want a
gdb session that can show what's going on.