Lpc2000

On 13 Oct 2004 at 16:53, Bill Knight wrote:

> 
> I did some more searching also and have had moderate success.  I
> downloaded, built and installed ioperm for cygwin.  Then added it to
> the list of libraries to be linked.  Then found, downloaded, and added
> getline.c to the cmdline directory build.  Then commented out the code
> to call write_history() in the JTAGERs exit function.  It now sort of
> works.  I can attach to my ARM7TDMI processor, set registers, etc.  I
> hacked some code to kind-of support my flash part and have been able
> to erase and attempt to program it.  The program once loaded into
> flash almost works.  Not sure if I have a programing problem or a
> program problem - flash access time.  Unfortunately JTAGER does not
> support Thumb mode which is what my loaded program executes, so I have
> been unable to erase and retry. BTW - programing flash with JTAGER is
> VERY, VERY slow.  It would be better to use JTAGER (or something) to
> load a program into RAM then use it to program the flash.

I Agree. In the past I have used a hacked version of armtool to download
flash programming code to ram. This code then got the data in 256 byte 
chunks via the JTAG interface and wrote it to flash. I got in the order of
24kB/s programming speed.

Regards
  Anton Erasmus

> Regards
> -Bill Knight
> www.theARMPatch.com
> 
> 
> On Wed, 13 Oct 2004 23:34:52 +0200, Anton Erasmus wrote:
> 
> 
> On 13 Oct 2004 at 6:56, Bill Knight wrote:
> 
> > Anton
> >   Please tell me how you managed to build JTAGER under Cygwin.
> > I downloaded it and attempted to build and immediately ran into
> > problems with the finding sys/io.h which suppiles prototypes for
> > outb(), inb(), and ioperm().  I was planning on adding the necessary
> > code for accessing the hardware (I'm running under XP) by using
> > giveio but unfortunately was unable to get that far.
> 
> Sorry,
> 
> I was downloading and compiling various things under both Linux and
> Cygwin. I thought I compiled JTAGER under cygwinas well as Linux, but
> I did not.
> 
> ioperm is available for cygwin - just install the package and
> explicitly link with the ioperm library. 
> 
> Having now actually tried to compile JTAGER under cygwin, it seems
> that it needs a function called "getline" which is avialable in glibc.
> It looks to be fairly easy to implement this missing function.
> Everything else seems to be available. 
> 
> Regards
>    Anton Erasmus
> 
> > 
> > 
> > On Tue, 12 Oct 2004 22:23:54 +0200, Anton Erasmus wrote:
> > 
> > 
> > On 11 Oct 2004 at 20:12, Mark Gross wrote:
> > 
> > > 
> > > On Monday 11 October 2004 11:56 am, Anton Erasmus wrote:
> > > >  On 8 Oct 2004 at 6:40, Mark Gross wrote:
> > > >  > I recently purchased an Olimex lpc-p2124 development
> > > >  > boardfrom sparkfun.com along with a p-port JTAG dongle.
> > > >  >
> > > >  > I have some questions, one about JTAG use with this thing,
> > > >  > and the others about using the ISP.
> > > >  >
> > > >  > I'm looking for Linux based JTAG utilities that will allow me
> > > >  > to talk to the device.  I'm attempting to use the
> > > >  > armtool+libjtag. It seems to talk to the JTAG dongle but not
> > > >  > the Olimex board. I'm wondering if there are some jumper
> > > >  > settings or other gotchas I'm missing.  Any hints or clues
> > > >  > would be very welcome.
> > > >
> > > >  [Stuff Snipped]
> > > >
> > > >  Try the JTAGER project on sourceforge. 
> > > 
> > > I'll give it a try :)  Have you used it much?  What do you think
> > > of it?
> > > 
> > I used a hacked version of armtools in the past. I changed it to be
> > able to program a flash device connected to an Atmel AT91R40008. I
> > found JTAGER the other day, and it built without problems under
> > Linux and Cygwin. I could also quite easily read/write memory on my
> > AT91R40008 board. I have not yet tried it on my LPC2292 board.
> > 
> > Regards
> >   Anton Erasmus
> > -- 
> > A J Erasmus
> > 
> > 
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> -- 
> A J Erasmus
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-- 
A J Erasmus