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[avr-gcc-list] Re: placing a variable in flash

From: Alan Kilian
Subject: [avr-gcc-list] Re: placing a variable in flash
Date: Mon, 22 Nov 2004 12:39:57 -0600 (CST)

> >Say I place the Oscillator Calib. byte at 0x1fff. How can retreive it in my
> >program? I have to 'tell' GCC to look for it at (byte)location 0x1fff; which
> >means I need to have a variable(or const) located at 0x1fff.

  Are you trying to set the oscillator calibration register to some
  value you determined at compile time?

  If so, how about this code?
  #define CALIBRATION 0x10    // For example

  #include <avr/io.h>

  main () {

  That sets the OSCCAL register in the processor to a value of 16.

  Is that what you are trying to do, or something else?


- Alan Kilian <kilian(at)bobodyne.com> 

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