Re: [Chicken-users] another egg

[Caolan McMahon]

Hey Jörg,

Thanks for the updates. I think I probably found things more
complicated writing this module because of wiring-pi calling callbacks
from other threads (hence pulling in concurrent-native-callbacks etc).
I'm currently using this library without hitting the 'case' issue you
pointed out... not the first obviously broken code I've had 'work' in
CHICKEN 4.10. Starting to think I'm losing it!

Caolan

On 4 January 2016 at 13:27, Jörg F. Wittenberger
<address@hidden> wrote:
>
>
> Hi all,
>
> yet another egg I put together, which may be interesting to you (and may
> go the coop):
>
> http://askemos.org/chicken-eggs/raspberry-pi-gpio-small.release-info
>
> This is a (supposed to be) API compatible version of the
> raspberry-pi-gpio egg.
>
> Maybe these modifications should simply be folded into the latter.
> That's a matter of choice.  (A choice left to Caolan McMahon, the author
> of the latter.)
>
> Why did I feel the alternative may be good?
>
> * The `-small` suffix was chosen because of the reduced dependency list:
> no dependencies except for CHICKEN core.
>
> * Throwing together those modifications took me about as much wall clock
> time as chicken-install spent on installing the original one including
> those dependencies.
>
> * Roughly half the code size.
>
> * Not jumping through various call should always be faster than doing
> so.  Thus I'd _expect_ less runtime overhead, which may be important
> when controlling sensors.
>
> * Not needing those dependencies should make debugging simpler.
>
> (* Besides: I wonder how the original could ever have worked.  The
> example from the documentation runs into >>Error: uncaught exception:
> "Unknown mode"<< for an obvious misuse of `case`.)
>
> Have fun
>
> /Jörg
>
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