write()

void fl::DigitalMultiWrite8::write

(

fl::span< const u8 >

pin_data

)

const

Write pre-transposed byte data to the 8 pins.

Each byte in pin_data is a bitmask where bit N → pin N. 1 = HIGH, 0 = LOW. Pins set to -1 during init() are skipped.

Definition at line 209 of file pins.cpp.hpp.

                                                              {
    for (fl::size i = 0; i < pin_data.size(); ++i) {
        const u8 byte = pin_data[i];
        const u8 lo_nib = byte & 0x0F;
        const u8 hi_nib = (byte >> 4) & 0x0F;
        applyNibble(mSetLo[lo_nib], mClrLo[lo_nib]);
        applyNibble(mSetHi[hi_nib], mClrHi[hi_nib]);
    }
}

References applyNibble(), mClrHi, mClrLo, mSetHi, mSetLo, and fl::span< T, Extent >::size().

Referenced by DigitalMultiWrite8(), and fl::digitalMultiWrite8().

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