You could use button.watch() in onoff in place of attachInterrrupt.  See
https://www.npmjs.org/package/onoff.


On Wed, Mar 5, 2014 at 2:00 PM, <[email protected]> wrote:

> Hi, forks!!
>
> I have some questions about attachInterrupt.
>
> I saw the topic
> attachInterrupt contents called on startup and stop without event triggered
> https://groups.google.com/forum/#!topic/beagleboard/bhacfUnNJYM
>
> Q1:
> I think one of solution is check actual button has pushed or not.
>
>  b.attachInterrupt(inputPin, true, b.FALLING, interruptCallback);
>  function interruptCallback() {
>     if (b.digitalRead(inputPin)===1) return; // Is the real button pushed?
> or not?
>  ....
>
> But in this case, the function interruptCallback tightly depend on
> hardware ,so I can't reuse it call from another functions (for example WEB
> interrupt logic).
> It seems not good solution.
>
> Is there any solution more smart?
>
>
> Q2:
> http://beagleboard.org/Support/BoneScript/attachInterrupt/
>
> I guess the result of handler can determine to interruptCallback  execute
> or not.
> But when my function my*handler  *always return true,  interruptCallback  
> never
> called...
>
>  b.attachInterrupt(inputPin, myhandler, b.FALLING, interruptCallback);
>  function myhandler(){
>   return true;
>  }
>
> Could you tell me what is wrong, Please!
>
> Thanks.
>
>
>
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