Re: X50v and IrDA

Wonderful!!
Much appreciated!!!

Cheers,
Mark

On 9/16/05, Richard Bateman <taxilian_at_zzt.net> wrote:
>
> JeDi wrote:
>
> >Hi Richard,
> >
> >Some questions before you are offline for two years :-)
> >
> >We haven't had much time the last couple of weeks, but we modified the
> >irda driver of the kernel so it automatically activates the irda
> >console in the kernel (initrd is still needed because it needs
> >/dev/console). We tried this with two laptops, and we are able to see
> >the kernel booting through irda on the other laptop, and we are able
> >to login (agetty, ...).
> >
> >
> who is "we"? just wondering who else is working with you on it, so I
> know what information you have access to. =]
>
> In order to make the IR work, you will (at minimum) need to initialize
> the IR port (which I *think* uses the STUART on the chip) and set up the
> GPIOs correctly.
>
> all gpio info I've compiled can be found at
> http://www.bfamily.us/~richard/tmp/arm/gpio_map.xml
> it's an xml file... view source for more detailed, but less friendly,
> view.
>
> you need to set the GPIO 46 to AFR 2, and 47 to AFR 1, at the very least.
>
> I'll try to probe the gpios again to see if there are any other gpios
> that seem to be used for IR.
> If I had a windows program that would allow me to use a serial terminal
> on my laptop's IR port, I might be able to figure something out...
> particularly if someone had a small ARM program that would output data
> to a given TTY port so I could test it.
>
> Tell ya'll what... Saturday afternoon, I'll try to spend some time
> working on it.
>
> >So if we want this to work with our x50v pdas, we have to get a irda
> >driver working for the machine. If we use the kernel26 from your site,
> >only one FIR driver shows up, so we tried that, withouth luck. We
> >tried using SIR after that, but that didn't work either...
> >
> >
> >So my questions:
> >- Do you or anyone else have experience with irda on the x50v? Can we
> >find some specs for it in the documents on your site (tmp dir)?
> >
> >
> I don't, but I *think* that the IRDA uses the STUART. play with wgpio
> while enabling and disabling the IR port, that'll probably give you some
> insight. someone besides me needs to learn how to use that effectively
> anyway =]
>
> >- We still weren't able to boot a kernel and get output on the
> >framebuffer. You said it was working with the vsfb driver, but we
> >can't get it to work. If you could provide us a kernel and initrd (and
> >default.txt and haret if they aren't the fisherss ones) that is
> >verified to work with console output on the x50v, we would be very
> >glad. If you can give me the source for that working kernel (or the
> >.config if it's built with the kernel26 of your site), that would be
> >even better!
> >
> >
> I'll see what I can come up with saturday (tomorrow, I guess).
>
> >I really hope we can get some progress before you leave, cause I don't
> >think there is someone else working on the x50v port, is it?
> >
> >
> There are a few others, but I've been the most vocal.
>
> Richard
> --
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Received on Fri Sep 16 2005 - 12:45:07 EDT