Why ack interrupt before calling handler?

Wolfgang Denk wd at denx.de
Wed Jun 11 21:28:34 EST 2003

In message <1055327622.26152.70.camel at spawn> you wrote:
> ps. and never ever use edge triggered interrupts

Oops? Why not?

We use them all the time, and find  that  they  are  much  easier  to
handle than level triggered interrupts.

Best regards,

Wolfgang Denk

Software Engineering:  Embedded and Realtime Systems,  Embedded Linux
Phone: (+49)-8142-4596-87  Fax: (+49)-8142-4596-88  Email: wd at denx.de
How many QA engineers does it take to screw in a lightbulb? 3:  1  to
screw it in and 2 to say "I told you so" when it doesn't work.

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