[En-Nut-Discussion] Port to a non ethernut board

[Marc Giger]

On Sat, 26 Aug 2006 17:22:44 +0200
Marc Giger <gigerstyle at gmx.ch> wrote:

> Hi Harald
> 
> On Fri, 25 Aug 2006 12:09:46 +0200
> Harald Kipp <harald.kipp at egnite.de> wrote:
> 
> > Hi Marc,
> > 
> > A special fuse setting is not required
> > http://www.ethernut.de/en/isp/fuses.html
> > 
> > As you specified
> > NUT_CPU_FREQ = "16000000"
> > also no 32kHz crystal is needed.
> > 
> > May be your external RAM is not working?
> > 
> > I'd suggest to add an RS232 output and upload Basemon. This
> > program starts without external RAM and checks various
> > hardware functions.
> > http://www.ethernut.de/pdf/enhwm13e.pdf
> > Page 9ff
> > 
> > Harald
> 
> You are right in every point!
> First, of course the LED is soldered as you said. I always did it
> right but this time...don't know why...
> 
> So after changing that, the LED is shining. After some more tests I
> noticed that it stops working after NutInitHeap()...and
> that points to your RAM theory.
> 
> I installed Basemon to check the external RAM. Basemon says it is 0kB
> installed. So I think that damn thing is defective.
> The memory on that board seems to be a 70ns
> access time type. I read somwhere that I don't have to set a different
> wait state for that kind of memory...right?

I have deactivated XMEM and NutOS is now working!

So I have to get a new Board and have fun with NutOs...

Greetings

Marc