On Thu, 12 May 2005, othello61 wrote:
> Thanks Tony,
>
> I tried creating a link via "ln" to create /dev/ttyS02 - and this
> started to work somewhat (i.e. I can read characters from the port -
> but don't seem to be able to write to it). Also, my link dissapears
> on a reboot.
Thats because the kernel is using devfs. The /dev directory is a "virtual"
one like /proc
Why not just use the name you link to as the device name?????
Whereever you would use /dev/ttyS2 use /dev/ttys/2
> I'll try mknod over the weekend and see what happens
Not sure it will work with devfs! Not that I actually know much about
devfs - this is the first system I've used using it.
>
> I'm making progress...
>
> Thanks
> Andrew
>
>
> --- In "vocemanago" <> wrote:
> > --- In "vocemanago" <>
> wrote:
> > > --- In "othello61" <>
> > wrote:
> > > > Thanks Tony - that sounds logical... one question, I don't have
> such a
> > > > device in /dev (see below) - do I have to create one? If so,
> how do I
> > > > do it and link it to /dev/tts/2 (which i use setserial to set
> the irq)
> > > >
> > > > $ ls /dev
> > > > console discs kmem null random tts
> urandom
> > > > cua fd mem port root tty zero
> > > > cuaam0 full misc ptmx stderr ttyAM0
> > > > cuaam1 ide mtd pts stdin ttyAM1
> > > > cuaam2 initctl mtdblock pty stdout ttyAM2
> > > > $
> > > > cheers
> > > > Andrew
> > >
> > > Oops... I am working on a debian development image and it has the
> full
> > > setserial setup script and everything. I forget a lot about the on
> > > board flash file system and its makeup.
> > > You can make links I think using ln ... however using /dev/tts/2
> > > should work fine.
> > >
> > > I made an assumption that since the driver listed ttyS02 in its
> > > message that it was somehow made at that point... I really don't
> know
> > > enough about the startup scripts , and it gets me into trouble.
> > > Tony
> >
> > I made a mistake , its mknod, not ln...
> > Tony
>
>
>
>
>
>
>
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>
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