Re: [Gumstix-users] Gumstix and Serial Communication

[said l. <sai...@gm...>]

Thanks for all folks , I'll try this.

2009/8/18 Tuomas Kulve <tu...@ku...>

> said lebbihi wrote:
> > Hi everybody,
> >
> > I'm working on a serial communication between a gumstix verdex pro and an
> > arduino.
> >
> > The arduino send its informations correctly through his own serial port
> but
> > my software located on the gumstix couldn't receive.
> >
> > If possible can you indicate me which device should I open ("/dev/ttySi"
> i =
> > {0,1,2}) and which slot should I connect to the arduino.
> >
> > The picture represents the model of gumstix I possess.
> >
> > Thank you in advance.
> >
> > <
> http://images.google.fr/imgres?imgurl=http://tuomas.kulve.fi/blogstuff/gumstix-verdex.jpg&imgrefurl=http://tuomas.kulve.fi/blog/2008/&usg=__kDyTcQHpsZ-qg1LK6qn4xVJepw4=&h=390&w=500&sz=80&hl=fr&start=4&sig2=5L3dk5IX4GbwyAamHyJV6Q&um=1&tbnid=NipRnkX1ctpRmM:&tbnh=101&tbnw=130&prev=/images%3Fq%3Dgumstix%2Bverdex%2Bpro%26hl%3Dfr%26client%3Dfirefox-a%26rls%3Dcom.ubuntu:fr:unofficial%26sa%3DN%26um%3D1&ei=rJ-KSrnKOIj3-AaF-ZDTDw
> >
>
> This would been a bit shorter URL to the same thing:
>
> http://tuomas.kulve.fi/blogstuff/gumstix-verdex.jpg
>
> And that's non-pro board but I guess they don't have much differencies.
>
> /dev/ttyS0 (FFUART) is the middle connector and usually used by the
> kernel's serial console. That's what I've connected to my PC.
>
> /dev/ttyS1 (BTUART) is used by Bluetooth on my setup. I think that's the
> DIN connector closest to the power connecter.
>
> /dev/ttyS2 is STUART. I think that's the farthest away from the power
> connector.
>
> But do note that those mini DIN connectors use the RS232 voltage level
> instead of the logic level used by e.g. the UART pin headers on the
> expansion board.
>
> I've used /dev/ttyS2 and the STUART pins on the expansion board to read
> serial data from a gyroscope. You also need to make sure the GPIO pins
> are configured properly for the STUART pins and that the clock is enabled.
>
> --
> Tuomas
>
>
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