On 12 August 2011 17:28, Chris Radek <[email protected]> wrote:

> Also consider that since the HAL model for GPIO is essentially one
> that polls inputs (is not edge triggered) you need to have some fairly
> mighty bounces to cause problems.

This is a very good point. If, say, the contact bounces and you read a
false 0 when it should be a 1, it should have settled by the next
thread, or the one after that. 3mS delay isn't going to bother a
toolchanger.

-- 
atp
"Torque wrenches are for the obedience of fools and the guidance of wise men"

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