Re: picdem fs usb and sdcc/gputils

On Thu, 14 Jul 2005 00:29:30 +0200
Alessandro Zummo <[email protected]> wrote:

>  sdcc -c -mpic16 -p18f2550 crt0i.c
>  sdcc -c -mpic16 -p18f2550 toggle.c
>  gplink -o toggle.hex -s 18f4550.lkr crt0i.o toggle.o pic18f2550.lib
> 
>  however, gplink places the reset vector at 0x0000
>  because the crt0i.o object specifies a fixed address.
> 
>  I had to modify crt0i.c adding a 
>  #pragma code _entry 0x800
>  and removing the 0 after the __interrupt qualifier
>  of the _entry function.
> 
>  It seems to work now, but I was wondering
>  if this is the correct way to follow...

 I've had no answers and so I took some more time to read the docs..
 the best way is to recompile the crt like this:

 sdcc -c -mpic16 -p18f4455 --ivt-loc=0x800 crt0.c

 now I'm searching a way to place static data in program
 space.. any clues?

-- 

 Best regards,

 Alessandro Zummo,
  Tower Technologies - Turin, Italy

  http://www.towertech.it