From: Keith Packard <keithp@keithp.com>
Date: Mon, 20 May 2013 03:00:24 +0000 (-0700)
Subject: altos/lpc: Make EXTI code work.
X-Git-Tag: 1.2.9.4~189^2~18
X-Git-Url: https://git.gag.com/?a=commitdiff_plain;h=098fd43a740ee2a782f82b6b71965b60cdba2d62;hp=098fd43a740ee2a782f82b6b71965b60cdba2d62;p=fw%2Faltos

altos/lpc: Make EXTI code work.

Clear rise/fall bits in ISR to avoid re-entering.
Block interrupts around enable/disable bits.
Create shared _ao_exti_set_enable function to control mask changes.

Signed-off-by: Keith Packard <keithp@keithp.com>
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