Hi Kusti,
the error is from changes in gputils. You can downgrade your gputils to
avoid this problem.
I tested successfully with the (ancient ...) version
gplink-0.14.2 #774 (May 30 2013)
and could reproduce your problem with
gplink-1.4.0 #0 (Mar 21 2015)
I then bisected gputils using git and found that r955 from 2014-04-01 is
the last one, for which the old config word approach works.
If I am not mistaken, this should be gputils 1.1.0. So downgrading gputils
to 1.1.0 should solve your problem.
Hope that helps,
Raphael
2015-03-20 18:57 GMT+01:00 Kustaa Nyholm <kustaa.nyh...@planmeca.com>:
> I was trying to compile a project that compiled cleanly last time I tried
> (with SDCC 3.2.0),
> meanwhile I've upgraded to 3.4.0:
>
> ~/sdcc-3.4.0/bin/sdcc -v
> SDCC :
> mcs51/z80/z180/r2k/r3ka/gbz80/tlcs90/ds390/pic16/pic14/TININative/ds400/hc0
> 8/s08/stm8 3.4.0 #8981 (Apr 5 2014) (Mac OS X i386)
> published under GNU General Public License (GPL)
>
> my code contains:
>
> __code char __at 0x300000 CONFIG1L = 0x20; // USBDIV=1, CPUDIV=00, PLLDIV
> = 000
> __code char __at 0x300001 CONFIG1H = 0x0E; // IESO=0, FCMEN=0, FOSC = 1110
> __code char __at 0x300002 CONFIG2L = 0x20; // Brown out off, PWRT On
> __code char __at 0x300003 CONFIG2H = 0x00; // WDT off
> __code char __at 0x300004 CONFIG3L = 0xff; // Unused configuration bits
> __code char __at 0x300005 CONFIG3H = 0x80; // MCLR enabled , PORTB
> digital, CCP2 - RB2
> __code char __at 0x300006 CONFIG4L = 0x80; // ICD off, ext off, LVP off,
> stk ovr off
> __code char __at 0x300007 CONFIG4H = 0xff; // Unused configuration bits
>
> and the linking fails with:
>
>
> "(0x300000) is absolute but occurs in more than one file"
>
> now, if comment out all but one of these the compile succeeds, so my
> conclusion is that I don't have these defined in multiple files or
> above file included multiple times.
>
> A single:
>
> __code char __at 0x300000 CONFIG1L = 0x20; // USBDIV=1, CPUDIV=00, PLLDIV
> = 000
>
>
> in any file in the project seems to be fine but two lines:
>
> __code char __at 0x300000 CONFIG1L = 0x20; // USBDIV=1, CPUDIV=00, PLLDIV
> = 000
> __code char __at 0x300001 CONFIG1H = 0x0E; // IESO=0, FCMEN=0, FOSC = 1110
>
>
> anywhere will fail.
>
> I know, I should upgrade myc code to use the CONFIG as I get the warning:
> "Warning[212] __CONFIG has been deprecated for PIC18 devices. Use
> directive CONFIG."
> but right now I would not like to go through the datasheet and figure out
> names
> for all those bits, especially as not all of them are what I consider
> logical,
> that is error prone, time consuming and tedious. So is there any way
> I can use what I have without Doing The Right Thing(tm) ??
>
> Also, isn't the warning and apparent backwards compatibility a bit futile
> if
> it does not work, eh?
>
> cheers Kusti
>
>
>
>
>
>
>
>
>
>
>
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