Re: [ts-7000] initialization of DIO port on TS-7200

[Jim Jackson <>]

On Mon, 7 Apr 2008, s_sulphur wrote:

> hi,
> I want to ask something... how to initialize DIO pin?

The pins can be input or output. You have to tell the hardware which, by 
setting a "1" for output, or a "0" for input in the relevent bits of the 
DDR (data direction register). You do this before you start to read or 
write the data from/to the DIO port.

Example code to do that is around. One example is in the functions 
in ts7200.c in my adio software at

   http://www.comp.leeds.ac.uk/jj/linux/adio.tgz

cheers
Jim

----------------------------------------------------------------------------
HomePage:    http://www.comp.leeds.ac.uk/jj
TS7200 Page: http://www.comp.leeds.ac.uk/jj/linux/arm-sbc.html


------------------------------------

Yahoo! Groups Links

<*> To visit your group on the web, go to:
    http://groups.yahoo.com/group/ts-7000/

<*> Your email settings:
    Individual Email | Traditional

<*> To change settings online go to:
    http://groups.yahoo.com/group/ts-7000/join
    (Yahoo! ID required)

<*> To change settings via email:
     
    

<*> To unsubscribe from this group, send an email to:
    

<*> Your use of Yahoo! Groups is subject to:
    http://docs.yahoo.com/info/terms/