Re: [BRLTTY] Can't Get PowerBraille 80 to Connect

2018-04-13 Thread Dave Mielke 
[quoted lines by Rob on 2018/04/13 at 17:34 -0500]

>You need to specify braille-device and braille-driver for serial displays.
>So you would want to do something like
>brltty -b  -d /dev/ttyS0
>or
>brltty -b  -d /dev/ttyUSB0
>for serial to  USB converters.

The Power Braille uses the TSI driver, so: -b ts

We removed serial port probing a long time ago because we decided that it was 
dangerous. A completely safe probe for a known serial braille device could 
damage some other device that the user may happen to also have connected. 
That's why, for serial devices, both the device and the driver should be 
expicitly specified. Strictly speaking, only the device needs to be because, if 
it's specified then brltty will probe it for known braille devices. Really, 
though, the safest thing to do is to specify both.

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Re: [BRLTTY] Can't Get PowerBraille 80 to Connect

2018-04-13 Thread Rob 
wmicha...@fuse.net wrote:
> I installed Debian Linux 9.4 on a Dell Pentium 4 for a blind friend, and then 
> brltty 
> first using gcc to configure, make, and install, and then when that didn't 
> work, 
> uninstalling it and using Debian's apt-get tool to install the package from 
> their 
> repositories. The serial PowerBraille 80 would not respond to either. Typing 
> brltty as root gives me the version number of the software, but the system 
> does 
> not find brltty-test. 

You need to specify braille-device and braille-driver for serial displays.
So you would want to do something like
brltty -b  -d /dev/ttyS0
or
brltty -b  -d /dev/ttyUSB0
for serial to  USB converters.

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