spread_transpose8_symbol()

FASTLED_FORCE_INLINE FL_IRAM FL_OPTIMIZE_FUNCTION void fl::detail::spread_transpose8_symbol	(	const u8	l[8],
		u8	out[8] )

Transpose one symbol of 8 lanes (8 input bytes) into 8 output bytes: 8 pulses × 1 byte (bit L = lane L), pulse order 7..0 (out[0] = pulse 7).

Definition at line 65 of file bit_spread_lut.hpp.

                                                        {
    const u32 a = spreadA(l[0]) | spreadA(l[1]) << 1 | spreadA(l[2]) << 2 | spreadA(l[3]) << 3 |
                  spreadA(l[4]) << 4 | spreadA(l[5]) << 5 | spreadA(l[6]) << 6 | spreadA(l[7]) << 7;
    const u32 b = spreadB(l[0]) | spreadB(l[1]) << 1 | spreadB(l[2]) << 2 | spreadB(l[3]) << 3 |
                  spreadB(l[4]) << 4 | spreadB(l[5]) << 5 | spreadB(l[6]) << 6 | spreadB(l[7]) << 7;
    out[0] = static_cast<u8>(a);        out[1] = static_cast<u8>(a >> 8);
    out[2] = static_cast<u8>(a >> 16);  out[3] = static_cast<u8>(a >> 24);
    out[4] = static_cast<u8>(b);        out[5] = static_cast<u8>(b >> 8);
    out[6] = static_cast<u8>(b >> 16);  out[7] = static_cast<u8>(b >> 24);
}

References spreadA(), and spreadB().

Referenced by wave3_transpose_8(), wave8_transpose_8(), and wave8_transpose_8_bf1().

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