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Re: [avr-libc-dev] [bug #37772] wdt_enable() doesn't work for a list of
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From: |
Anton Voloshin |
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Subject: |
Re: [avr-libc-dev] [bug #37772] wdt_enable() doesn't work for a list of chips |
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Date: |
Mon, 19 Nov 2012 13:09:20 +0400 |
The code was compiled on windows with -Os optimization for Atmega
1284P. The "ldi" instruction takes 2 cycles, according to disassembly
listing.
wdt_enable() didn't work for me until I made this correction.
2012/11/19 Joerg Wunsch <address@hidden>
> Follow-up Comment #1, bug #37772 (project avr-libc):
>
> Well, this inline assembly statement has been written that
> way for years now, and was proven to work. How did you
> verify it doesn't work, and for which controller type?
>
> The OUT instruction takes one CPU cycle, and the STS
> instruction two cycles, that's why the four-cycle requirement
> is still maintained.
>
> _______________________________________________________
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> Reply to this item at:
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> <http://savannah.nongnu.org/bugs/?37772>
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--
Anton Voloshin
Jabber: address@hidden