Lpc2000

Hello... I'm trying to use the SPI of the LPC2106 to drive an Atmel
Dataflash.. I made a very primitive SPI driver in Ansi C. Would you
mind sharing your code with me, so I can improve or modify mine?
Please, write me to sunixs@...
Thanks
Ezequiel

--- In lpc2000@yahoogroups.com, "Kerem Or" <k.or@s...> wrote:
> Bruce,
> 
> Two days ago I was dealing with the same problem. Then I had to tie
the pin 
> to VCC and define it as SSEL and had the SPI working as master.
> 
> If you define the port as output the SPI continues to get "slave
abort". 
> Also the LPC2214 user manual states the following in bold in page 163 
> "...configured to operate as SPI master MUST select SSEL
functionality on an 
> appropriate pin...". Which means you have to make the pin a SSEL pin
as it 
> says "select SSEL functionality".
> 
> Anyways the pin is wasted like I'm unable to use PWM outputs as the
same 
> pins share serial port I/O while some of the pins only have one
function.
> 
> Kerem
> 
> 
> ----- Original Message ----- 
> From: "Bill Knight" <BillK@t...>
> To: <lpc2000@yahoogroups.com>
> Sent: Thursday, January 13, 2005 1:39 PM
> Subject: Re: [lpc2000] Re: SPI usage
> 
> 
> >
> > On Thu, 13 Jan 2005 13:22:31 +1100, Bruce Paterson wrote:
> >
> >
> > Bruce Paterson wrote:
> >
> >>
> >> Hi,
> >>
> >> I've written an interrupt based SPI driver to fit into the newlib
> >> structure (ioctl, read, write).
> >
> > A hardware question (it seems to be my day for questions!).
> > If you have SPI port enabled, used as a Master, do you have to tie the
> > SSEL0 pin high, or can you program that pin as a GPIO (and somehow the
> > SPI core gets a permanent high supplied to it internally) ?
> >
> > Seems a waste of an I/O pin to have to tie it high where most SPI
> > applications would be SPI master
> > ------------------------------------------------------------------
> > Bruce
> >  I believe the answer is yes, you must tie the SSEL0 pin high even
> > when operating in Master mode and yes, it seems a waste.
> >
> > -Bill Knight
> > http://www.theARMPatch.com
> >
> >
> >
> >
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
> >
> >
> >
> >