encodeColorPipelineManagedSpi()

bool fl::anonymous_namespace{pipeline_binding.cpp.hpp}::encodeColorPipelineManagedSpi	(	PixelIterator &	pixels,
		vector_psram< u8 > *	out,
		SpiChipset	chip,
		const CLEDController &	controller )

Definition at line 240 of file pipeline_binding.cpp.hpp.

                                                                                  {
#if !FL_PLATFORM_HAS_TINY_MEMORY
    switch (chip) {
        case SpiChipset::LPD8806:
            pixels.writeLPD8806Wide(fl::back_inserter(*out));
            return true;
        case SpiChipset::LPD6803:
            pixels.writeLPD6803Wide(fl::back_inserter(*out));
            return true;
        default:
            break;
    }
#endif
#if FASTLED_HD_COLOR_MIXING && !FL_PLATFORM_HAS_TINY_MEMORY
    // Non-HD APA102/SK9822: the field is held at 31 on a managed channel,
    // whatever FASTLED_USE_GLOBAL_BRIGHTNESS says (#4457). That option
    // derives a strip-wide field from the first pixel and rescales only that
    // pixel -- a second shaping stage on drives the pipeline already solved,
    // dimming every other pixel by field/31. B1's conservative treatment is a
    // fixed field. Through the wide writer the HD path already links, pinned
    // at 31: same framing, one quantization from the 16-bit drive, and no new
    // encoder instantiation in sketches that bind no profile.
    switch (chip) {
        case SpiChipset::APA102:
        case SpiChipset::DOTSTAR:
        case SpiChipset::HD107:
        case SpiChipset::SK9822:
            pixels.writeFiveBitWide(fl::back_inserter(*out), 31);
            return true;
        default:
            break;
    }
    // The profile is read here rather than by the caller, so the accessor
    // links only with the hook.
    const EmitterProfile* profile = controller.emitterProfile();
    const u8 min_field = hdMinimumField(
        fiveBitSemanticsFor(chip, profile != nullptr
                                      ? profile->five_bit_semantics
                                      : FiveBitSemantics::NotApplicable),
        detail::hdFieldFloor());
    if (min_field >= 31) {
        // Field held fixed: the caller's existing path is exactly that.
        return false;
    }
    pixels.writeFiveBitWide(fl::back_inserter(*out), min_field);
    return true;
#else
    FL_UNUSED(pixels);
    FL_UNUSED(out);
    FL_UNUSED(chip);
    FL_UNUSED(controller);
    return false;
#endif
}

References fl::APA102, fl::back_inserter(), controller, fl::DOTSTAR, encodeColorPipelineManagedSpi(), fl::colorimetric_response::EmitterProfile::five_bit_semantics, fl::fiveBitSemanticsFor(), fl::FL_NO_EXCEPT, FL_UNUSED, fl::HD107, fl::detail::hdFieldFloor(), fl::hdMinimumField(), fl::LPD6803, fl::LPD8806, fl::NotApplicable, and fl::SK9822.

Referenced by encodeColorPipelineManagedSpi().

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