andy pugh wrote:
> (As an aside, that does mean that you could set up a delay-line by
> deliberately running functions out of sequence)
>   
My E-stop scheme for the various Pico Systems interfaces use this 
trick.  Since both software and
the hardware interface can command an E-stop, the hal file asks the 
interface to come out of E-stop,
but then doesn't check the current result until the next servo cycle, to 
give the hardware time to
actually complete the task.  If the hal code didn't wait a cycle, it 
would always find the interface
in the E-stop condition, and you couldn't get out of E-stop.

Jon

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