buildNibbleLut()

void fl::DigitalMultiWrite8::buildNibbleLut ( u8 bit_offset, PinList(&) set_lut[16], PinList(&) clr_lut[16] )

private

Definition at line 235 of file pins.cpp.hpp.

                                                                {
    for (u16 nib = 0; nib < 16; ++nib) {
        PinList &s = set_lut[nib];
        PinList &c = clr_lut[nib];
        s.count = 0;
        c.count = 0;
        for (u8 b = 0; b < 4; ++b) {
            int pin = mPins[bit_offset + b];
            if (pin < 0) {
                continue;
            }
            if (nib & (1 << b)) {
                s.pins[s.count++] = pin;
            } else {
                c.pins[c.count++] = pin;
            }
        }
    }
}

References fl::DigitalMultiWrite8::PinList::count, mPins, and fl::DigitalMultiWrite8::PinList::pins.

Referenced by init().

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