Okay, so now it depends on which kernel version you are using. I've seen
messages on this list that seem to indicate that the linux kernel has
been patched so you can use a litetalk. I could not get my litetalk to
work even with an ubuntu 4.2 kernel. I haven't tried it yet with the
ubuntu 4.4 kernels. But it looks like you are running debian stable
which has a 3.16 kernel. If so, you are going to have to install a
patched kernel.
I was just about to make a patched kernel for debian jessie available on
the web site of the International Association of Visually Impaired
Technologiests, www.iavit.org. I've been on vacation for 2 weeks and I
uploaded it right before I left. I can probably finish it up today or
tomorrow if you want to give it a try. I can tell you how to download a
file for apt that will recognize the iavit.org archive and then you can
use apt-get to install my patched kernel.
Another thing you could do is to try the script I wrote to compile a
kernel from the debian kernel source package. It automatically downloads
the debian kernel source, installs a patch I wrote to work around the
bug. and compiles the kernel. I wrote the script to make it easier for
me to maintain a patched kernel for people to download. Theoretically,
you run this script, come back a couple of hours later, depending on how
fast your machine is, and you have a patched kernel package ready to
install.
Finally, I can give you instructions for patching the kernel so you
don't have to rely on me or anyone else to fix the problem. It's up to
you. To fix the kernel code so it works, you edit the file
drivers/staging/speakup/serialio.c. Somewhere around line 46, find and
remove the line that says "return null". Then recompile the kernel by
whatever means you want. I use the debian makefile myself but that won't
work if you get the code directly from linux-kernel.org. Those of us on
this list can give you more detailed instructions if you decide you want
tto learn how to fix the kernel yourself.
On 08/01/2016 12:59 PM, Tom Moore wrote:
Hi,
No I wasn't in the know about any drivers not working with Speakup.
Here is the syslog output.
Aug 1 13:16:53 debian kernel: [17961.873872] speakup_ltlk: module is
from the staging directory, the quality is unknown, you have been
warned.
Aug 1 13:16:53 debian kernel: [17961.874361] releasing synth soft
Aug 1 13:16:53 debian kernel: [17961.874862] unregistered /dev/softsynth
Aug 1 13:16:53 debian kernel: [17961.874866] synth probe
Aug 1 13:16:53 debian kernel: [17961.874869] Ports not available,
trying to steal them
Aug 1 13:16:53 debian kernel: [17961.874875] Unable to allocate port
at 3f8, errno -16
Aug 1 13:16:53 debian kernel: [17961.874877] LiteTalk: not found
Aug 1 13:16:53 debian kernel: [17961.874880] ltlk: device probe failed
On 8/1/16, John G Heim <jheim@xxxxxxxxxxxxx> wrote:
Are you aware of the bug that causes the litetalk driver to fail to load
because of a conflict with the way the kernel keeps track of what is
using the serial port? I think this bug or feature has been in the
kernel since the 2.6 release. There are different workarounds depending
on your kernel version. Poke around in the syslog for an error message.
Or do the following and post it here:
# tail -f /var/log/syslog &
# modprobe speakup_ltlk
On 08/01/2016 08:47 AM, Tom Moore wrote:
Hi guys,
What is the procedure for loading the litetalk driver in Speakup?
I have installed Debian 8.5 with software speech and wish to use the
Litetalk connected to the serial port.
Modprobe -a speakup_ltlk
Doesn't seem to get the synt talking and specifiying the speakup.ser=0 or
speakup_ser=0 didn't seem to work either.
Thanks for any help guys,
Tom
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