pinToPort()

int fl::pinToPort

(

int

pin

)

Map a runtime pin number to an integer port ID using FastPin<N>::port().

Pins that share the same GPIO port register return the same ID.

Parameters

pin	Pin number (0-63)

Returns

Integer port ID (0-based), or -1 for out-of-range pins

Definition at line 150 of file pins.cpp.hpp.

                       {
    if (pin < 0) return -1;
    return portValueToId(digitalPinToPort(pin));
}

Referenced by fl::DigitalMultiWrite16::allSamePort(), fl::DigitalMultiWrite8::allSamePort(), fl::DigitalMultiWrite16::init(), fl::DigitalMultiWrite8::init(), and pinMap().

Here is the caller graph for this function: