Forgot the interval.cancel():
On Wednesday, August 19, 2015 at 11:28:41 PM UTC+2, Zlatko wrote:
>
>
> So let's write it:
>
> function doorInMotion (err) {
> // now is the trick. We want to check every second if the door is open.
> If yes, write a zero to opendoor pin, so that we stop the engine.
> // we do this every second, and we save this interval.
>
> var interval = setInterval(function() { // this inner function runs
> every second, until somebody calls the interval.cancel();
>
> // every second, check the door sensor.
> gpio.read(DOOROPEN, function(err, value) {
> if (err) {
> console.log('Error reading door-open value.', err);
> return; // also could be a good idea to stop the engine here,
> because due to error, we don't know if the door is open or not, maybe
> sensor has failed.
> }
> // anyway, if the sensor didn't fail, we can check the DOOROPEN pin
> value:
> if (value !== true) {
> console.log('Door not yet open, keep the motor running.');
> } else {
> console.log('Door is finally open.');
> // now stop the door
>
And stop the interval here too: clearInterval(interval);
> gpio.write(OPENDOOR, false, function(err) {
> if (err) {console.log('Error stopping the door motor.', err);
> });
> }
> });
> }, 1000);
> }
>
>>
>>
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