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Fix issue when setting cw/ww brightness via temperature (#5976)

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Patrick 2024-04-24 05:56:56 +02:00 committed by GitHub
parent e2b0d561bc
commit 1775c73e53
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1 changed files with 11 additions and 12 deletions
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23
esphome/components/light/light_call.cpp
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@ -337,9 +337,12 @@ LightColorValues LightCall::validate_() {
void LightCall::transform_parameters_() {
auto traits = this->parent_->get_traits();
// Allow CWWW modes to be set with a white value and/or color temperature. This is used by HA,
// which doesn't support CWWW modes (yet?), and for compatibility with the pre-colormode model,
// as CWWW and RGBWW lights used to represent their values as white + color temperature.
// Allow CWWW modes to be set with a white value and/or color temperature.
// This is used in three cases in HA:
// - CW/WW lights, which set the "brightness" and "color_temperature"
// - RGBWW lights with color_interlock=true, which also sets "brightness" and
// "color_temperature" (without color_interlock, CW/WW are set directly)
// - Legacy Home Assistant (pre-colormode), which sets "white" and "color_temperature"
if (((this->white_.has_value() && *this->white_ > 0.0f) || this->color_temperature_.has_value()) && //
(*this->color_mode_ & ColorCapability::COLD_WARM_WHITE) && //
!(*this->color_mode_ & ColorCapability::WHITE) && //
@ -347,21 +350,17 @@ void LightCall::transform_parameters_() {
traits.get_min_mireds() > 0.0f && traits.get_max_mireds() > 0.0f) {
ESP_LOGD(TAG, "'%s' - Setting cold/warm white channels using white/color temperature values.",
this->parent_->get_name().c_str());
auto current_values = this->parent_->remote_values;
if (this->color_temperature_.has_value()) {
const float white =
this->white_.value_or(fmaxf(current_values.get_cold_white(), current_values.get_warm_white()));
const float color_temp = clamp(*this->color_temperature_, traits.get_min_mireds(), traits.get_max_mireds());
const float ww_fraction =
(color_temp - traits.get_min_mireds()) / (traits.get_max_mireds() - traits.get_min_mireds());
const float cw_fraction = 1.0f - ww_fraction;
const float max_cw_ww = std::max(ww_fraction, cw_fraction);
this->cold_white_ = white * gamma_uncorrect(cw_fraction / max_cw_ww, this->parent_->get_gamma_correct());
this->warm_white_ = white * gamma_uncorrect(ww_fraction / max_cw_ww, this->parent_->get_gamma_correct());
} else {
const float max_cw_ww = std::max(current_values.get_warm_white(), current_values.get_cold_white());
this->cold_white_ = *this->white_ * current_values.get_cold_white() / max_cw_ww;
this->warm_white_ = *this->white_ * current_values.get_warm_white() / max_cw_ww;
this->cold_white_ = gamma_uncorrect(cw_fraction / max_cw_ww, this->parent_->get_gamma_correct());
this->warm_white_ = gamma_uncorrect(ww_fraction / max_cw_ww, this->parent_->get_gamma_correct());
}
if (this->white_.has_value()) {
this->brightness_ = *this->white_;
}
}
}