powerChannelCodecPolicy()

fl::PowerCodecPolicy fl::powerChannelCodecPolicy

(

const CLEDController &

controller

)

Identify the channel's final current/quantization choice without adding a virtual slot or storage to every ordinary CLEDController.

Definition at line 174 of file FastLED.cpp.hpp.

                                                     {
    PowerCodecPolicy policy;
    const fl::vector<fl::ChannelPtr>& registered = ::CFastLED::channels();
    for (fl::size i = 0; i < registered.size(); ++i) {
        const fl::Channel* channel = registered[i].get();
        if (channel != &controller) continue;
        policy.kind = PowerCodecKind::Byte;
        const fl::SpiChipsetConfig* spi =
            channel->getChipset().ptr<fl::SpiChipsetConfig>();
        if (spi == nullptr) return policy;
        switch (spi->timing.chipset) {
            case fl::SpiChipset::LPD6803:
                policy.kind = PowerCodecKind::Native5;
                break;
            case fl::SpiChipset::LPD8806:
                policy.kind = PowerCodecKind::Native7;
                break;
            case fl::SpiChipset::APA102HD:
            case fl::SpiChipset::DOTSTARHD:
            case fl::SpiChipset::SK9822HD:
            case fl::SpiChipset::HD107HD: {
                policy.kind = PowerCodecKind::FiveBit;
                const fl::EmitterProfile* profile = channel->emitterProfile();
                const fl::FiveBitSemantics semantics = fl::fiveBitSemanticsFor(
                    spi->timing.chipset, profile != nullptr
                        ? profile->five_bit_semantics
                        : fl::FiveBitSemantics::NotApplicable);
                policy.min_field = fl::hdMinimumField(
                    semantics, fl::detail::hdFieldFloor());
                break;
            }
            default:
                break;
        }
        return policy;
    }
    // A custom managed controller has no known wire encoding. Charging full
    // code for every lit emitter is conservative, never a silent guess.
    return policy;
}

References APA102HD, Byte, CFastLED::channels(), controller, DOTSTARHD, fl::Channel::emitterProfile(), fl::colorimetric_response::EmitterProfile::five_bit_semantics, FiveBit, fiveBitSemanticsFor(), FL_NO_EXCEPT, fl::Channel::getChipset(), HD107HD, fl::detail::hdFieldFloor(), hdMinimumField(), fl::PowerCodecPolicy::kind, LPD6803, LPD8806, fl::PowerCodecPolicy::min_field, Native5, Native7, NotApplicable, fl::vector_basic::size(), and SK9822HD.

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