Function wave8Transpose_2

src/fl/channels/wave8.cpp.hpp:23–38

// ============================================================================

FL_OPTIMIZE_FUNCTION FL_IRAM
void wave8Transpose_2(const u8 (&FL_RESTRICT_PARAM lanes)[2],
                      const Wave8BitExpansionLut &lut,
                      u8 (&FL_RESTRICT_PARAM output)[2 * sizeof(Wave8Byte)]) {
    // Allocate waveform buffers on stack (16 Wave8Bit total: 8 packed bytes per lane × 2 lanes)
    // Each Wave8Byte is 8 bytes (8 Wave8Bit × 1 byte each)
    // Layout: [Lane0_bit7, Lane0_bit6, ..., Lane0_bit0, Lane1_bit7, Lane1_bit6, ..., Lane1_bit0]
    Wave8Byte laneWaveformSymbols[2];

    // Convert each lane byte to wave pulse symbols (8 packed bytes each)
    detail::wave8_convert_byte_to_wave8byte(lanes[0], lut, &laneWaveformSymbols[0]);
    detail::wave8_convert_byte_to_wave8byte(lanes[1], lut, &laneWaveformSymbols[1]);

    // Transpose waveforms to DMA format (interleave 8 packed bytes to 16 bytes)
    detail::wave8_transpose_2(laneWaveformSymbols, output);
}

FL_OPTIMIZE_FUNCTION FL_IRAM
void wave8Transpose_4(const u8 (&FL_RESTRICT_PARAM lanes)[4],