Re: File Transfer & pppd Operations with libusb
Timo Juhani Lindfors <timo.lindfors <at> iki.fi>
2006-12-06 10:13:37 GMT
Hi,
On Wed, Dec 06, 2006 at 10:33:45AM +0530, sandhya.adabala <at> wipro.com wrote:
> We have customised usb-serial driver to suit our project.But if
> we are upgrading the kernel version we have to again do the
> modifications in the new usb-serial file.We are finding this task very
> tedious.Hence we want to use libusb since we don't require to change it
> even if we are upgrading our kernel.
Ok, that sounds like a reasonable goal. Just curious though, what kind
of customizations did you make? Support for some new hardware?
> Let me know if any one of you know how to do File Transfer and
> pppd operations using libusb.
> Regards,
I'm not sure where the problem is. I'd write a program that reads data
from stdin and send it with libusb to usb serial converter and then
reads replies from the converter and writes those to stdout.
When you have that kind of program you can combine it easily with PPPD
using something like
cotty -d -- pppd silent 192.168.0.1:192.168.0.2 \
-- ./usb-serial
Check "Firewall Piercing mini-HOWTO" for more info on cotty.
best regards,
Timo Lindfors
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> I agree with Peter -- the > USB spec is one of the most readable bus specs I have encountered. It's > almost impossible to use the PCI and PCI-Express specs as a reference > source -- you have to have another document that consolidates the > information you truly need. The 1394 spec is little better. I found the PCI specification quite fine and the 1394 one absolutely terrible. About the USB one, well, I did not read it... because of the bad experience with the 1394 spec. So I just read the book about it, and I had lots of difficulties to read 2 pages in a row (if people have problems with falling asleep, I can advise them to try to read it). Perhaps the perception is different whether you are a native speaker or not. And serial buses specs tend to use or create lots of pseudo-technical words or buzzwords that have a special meaning for this particular bus and not another one, or which will have different meanings for different buses.
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