isPressed()

bool fl::ButtonLowLevel::isPressed

(

)

Definition at line 43 of file button.cpp.

                               {
    // FastLED doesn't have reliable support for pullups/pulldowns.
    // So we instead use a strategy where the pin is set to high, then
    // checked if it's high, then set to low, and then checked if it's low
    // if this is the case, then the pin is floating and thefore the button is
    // not being pressed. return (mStrategy == kHighLowFloating) ?
    // highLowFloating() :
    //        (mStrategy == kPullUp) ? mPin.high() : // not implemented yet
    //        (mStrategy == kPullDown) ? !mPin.high() : // not implemented yet
    //        false; // unknown strategy, return false
    switch (mStrategy) {
    case kHighLowFloating:
        return highLowFloating();
    case kPullUp:
        return mPin.high(); // not implemented yet
    default:
        FASTLED_ASSERT(false, "Unknown ButtonLowLevel strategy");
        return false; // unknown strategy, return false
    }
}

References highLowFloating(), fl::kHighLowFloating, fl::kPullUp, mPin, and mStrategy.

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