Lpc2000

> --- In lpc2000@yahoogroups.com, "Tutors of ESAcademy" 
> <esacademy@y...> wrote:
> > --- In lpc2000@yahoogroups.com, "Gus" <gus_is_working@y...> wrote:
> > > I am trying to add the protection word to my final binary
image. 
> I 
> > > need to place 0x87654321 at location 0x1fc. I don't know and 
> > > couldn't figure out how to tell the linker to place a word at 
> > > absolute(fixed) memory location.
> > 
> > 1. Generate an Intel hex file instead of a binary image
> > 2. Place an additional line in the file with your keyword in
Intel 
> hex
> > format
> > 3. (optional) Convert the Intel hex file into a binary image
> 
> That would take care of the problem assuming the linker didn't use 
> that memory location. I looked in the hex file and there is some 
> data at that location!
> 
> Any more ideas?

Yes - reserve that memory location during linking. Any linker that I
have worked with so far has an option exclude memory areas (or to
not-include some). Sometimes this option is not available directly
from the IDE but you have to set up a linker command file to do it.

Chris
Tutor at ESAcademy
www.esacademy.com
www.canopenbook.com