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Re: [avr-gcc-list] race condition in sleep_mode()
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From: |
Andreas Kaiser |
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Subject: |
Re: [avr-gcc-list] race condition in sleep_mode() |
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Date: |
Mon, 19 Dec 2005 00:18:04 +0100 |
On Mon, 19 Dec 2005 09:07:10 +1000, you wrote:
> Another common method is to set SE bit *after* 'sleep' instruction.
> (The important interrupt must clean SE). 'cli' is not needed in this case.
But it makes save-sreg/cli/do-something/restore-sreg brackets
necessary around each manipulation of the MCUCRs. Also it spreads
related code all over the world.
Gruss, Andreas