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Lpc2000

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Message

Re: Problems with using SPI

2004-10-15 by misstero

Hi Aminder,

I'm going to interface LPC21xx with Serial DataFlash(tm) so that How 
can I obtain your worked SPI code for jump start. Can you post your 
code to this group?

Thanks,
Suriyan.

--- In lpc2000@yahoogroups.com, Aminder Athwal 
<aminderathwal@y...> wrote:
> John
>  
> Thats right you shouldn't have any problems now. I've got some code 
which you might find useful to read and write to pins. If you're intrested 
let me kno.
>  
>  
> Aminder
> 
> johnnorgaard2003 <john_2005@c...> wrote:
> 
> Hi Robert
> 
> Ohh, I see. The SSEL in only a input to the LPC2106 to act as a slave
> or master. Not to select an external slave device.
> For selecting external device I have to use another I/O Pin.
> Thanks Robert.
> 
> Best regards
> 
> John
> 
> --- In lpc2000@yahoogroups.com, Robert Adsett 
<subscriptions@a...> wrote:
> > At 11:47 AM 10/12/04 +0000, you wrote:
> > >Ok I now have pull-up on SSEL pin. But how do I control it. Setting 
it
> > >low when selecting the device ?
> > >IOSET and IOCLR have no effect when any pin in configured as 
secondary
> > >function(user manual p.82)
> > You can't.  When using the SPI if SSEL goes low the microcontroller
> acts as 
> > a slave.  To select an external device you must use another pin.
> > 
> > Robert
> > 
> > " 'Freedom' has no meaning of itself.  There are always restrictions,
> > be they legal, genetic, or physical.  If you don't believe me, try to
> > chew a radio signal. "
> > 
> >                          Kelvin Throop, III
> 
> 
> 
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> Regards,
> 
> 
> Aminder Singh Athwal
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