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Code Issues Releases Wiki Activity

Add constant_brightness property to CWWW/RGBWW lights (#1007)

Browse Source 
Fixes https://github.com/esphome/feature-requests/issues/460

Co-authored-by: Otto Winter <otto@otto-winter.com>
This commit is contained in:
kroimon
2020-04-08 14:31:23 +02:00
committed by GitHub
parent dea6675c21
commit 8613c02d5c
8 changed files with 41 additions and 16 deletions
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4
esphome/components/cwww/cwww_light_output.h
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@@ -13,6 +13,7 @@ class CWWWLightOutput : public light::LightOutput {
void set_warm_white(output::FloatOutput *warm_white) { warm_white_ = warm_white; }
void set_cold_white_temperature(float cold_white_temperature) { cold_white_temperature_ = cold_white_temperature; }
void set_warm_white_temperature(float warm_white_temperature) { warm_white_temperature_ = warm_white_temperature; }
void set_constant_brightness(bool constant_brightness) { constant_brightness_ = constant_brightness; }
light::LightTraits get_traits() override {
auto traits = light::LightTraits();
traits.set_supports_brightness(true);
@@ -25,7 +26,7 @@ class CWWWLightOutput : public light::LightOutput {
}
void write_state(light::LightState *state) override {
float cwhite, wwhite;
state->current_values_as_cwww(&cwhite, &wwhite);
state->current_values_as_cwww(&cwhite, &wwhite, this->constant_brightness_);
this->cold_white_->set_level(cwhite);
this->warm_white_->set_level(wwhite);
}
@@ -35,6 +36,7 @@ class CWWWLightOutput : public light::LightOutput {
output::FloatOutput *warm_white_;
float cold_white_temperature_;
float warm_white_temperature_;
bool constant_brightness_;
};
} // namespace cwww

4
esphome/components/cwww/light.py
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@@ -7,12 +7,15 @@ from esphome.const import CONF_OUTPUT_ID, CONF_COLD_WHITE, CONF_WARM_WHITE, \
cwww_ns = cg.esphome_ns.namespace('cwww')
CWWWLightOutput = cwww_ns.class_('CWWWLightOutput', light.LightOutput)
CONF_CONSTANT_BRIGHTNESS = 'constant_brightness'
CONFIG_SCHEMA = light.RGB_LIGHT_SCHEMA.extend({
cv.GenerateID(CONF_OUTPUT_ID): cv.declare_id(CWWWLightOutput),
cv.Required(CONF_COLD_WHITE): cv.use_id(output.FloatOutput),
cv.Required(CONF_WARM_WHITE): cv.use_id(output.FloatOutput),
cv.Required(CONF_COLD_WHITE_COLOR_TEMPERATURE): cv.color_temperature,
cv.Required(CONF_WARM_WHITE_COLOR_TEMPERATURE): cv.color_temperature,
cv.Optional(CONF_CONSTANT_BRIGHTNESS, default=False): cv.boolean,
})
@@ -26,3 +29,4 @@ def to_code(config):
wwhite = yield cg.get_variable(config[CONF_WARM_WHITE])
cg.add(var.set_warm_white(wwhite))
cg.add(var.set_warm_white_temperature(config[CONF_WARM_WHITE_COLOR_TEMPERATURE]))
cg.add(var.set_constant_brightness(config[CONF_CONSTANT_BRIGHTNESS]))

25
esphome/components/light/light_color_values.h
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@@ -190,24 +190,33 @@ class LightColorValues {
/// Convert these light color values to an RGBWW representation with the given parameters.
void as_rgbww(float color_temperature_cw, float color_temperature_ww, float *red, float *green, float *blue,
float *cold_white, float *warm_white) const {
float *cold_white, float *warm_white, bool constant_brightness = false) const {
this->as_rgb(red, green, blue);
const float color_temp = clamp(this->color_temperature_, color_temperature_cw, color_temperature_ww);
const float ww_fraction = (color_temp - color_temperature_cw) / (color_temperature_ww - color_temperature_cw);
const float cw_fraction = 1.0f - ww_fraction;
const float max_cw_ww = std::max(ww_fraction, cw_fraction);
*cold_white = this->state_ * this->brightness_ * this->white_ * (cw_fraction / max_cw_ww);
*warm_white = this->state_ * this->brightness_ * this->white_ * (ww_fraction / max_cw_ww);
*cold_white = this->state_ * this->brightness_ * this->white_ * cw_fraction;
*warm_white = this->state_ * this->brightness_ * this->white_ * ww_fraction;
if (!constant_brightness) {
const float max_cw_ww = std::max(ww_fraction, cw_fraction);
*cold_white /= max_cw_ww;
*warm_white /= max_cw_ww;
}
}
/// Convert these light color values to an CWWW representation with the given parameters.
void as_cwww(float color_temperature_cw, float color_temperature_ww, float *cold_white, float *warm_white) const {
void as_cwww(float color_temperature_cw, float color_temperature_ww, float *cold_white, float *warm_white,
bool constant_brightness = false) const {
const float color_temp = clamp(this->color_temperature_, color_temperature_cw, color_temperature_ww);
const float ww_fraction = (color_temp - color_temperature_cw) / (color_temperature_ww - color_temperature_cw);
const float cw_fraction = 1.0f - ww_fraction;
const float max_cw_ww = std::max(ww_fraction, cw_fraction);
*cold_white = this->state_ * this->brightness_ * (cw_fraction / max_cw_ww);
*warm_white = this->state_ * this->brightness_ * (ww_fraction / max_cw_ww);
*cold_white = this->state_ * this->brightness_ * cw_fraction;
*warm_white = this->state_ * this->brightness_ * ww_fraction;
if (!constant_brightness) {
const float max_cw_ww = std::max(ww_fraction, cw_fraction);
*cold_white /= max_cw_ww;
*warm_white /= max_cw_ww;
}
}
/// Compare this LightColorValues to rhs, return true if and only if all attributes match.

10
esphome/components/light/light_state.cpp
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@@ -718,19 +718,21 @@ void LightState::current_values_as_rgbw(float *red, float *green, float *blue, f
*blue = gamma_correct(*blue, this->gamma_correct_);
*white = gamma_correct(*white, this->gamma_correct_);
}
void LightState::current_values_as_rgbww(float *red, float *green, float *blue, float *cold_white, float *warm_white) {
void LightState::current_values_as_rgbww(float *red, float *green, float *blue, float *cold_white, float *warm_white,
bool constant_brightness) {
auto traits = this->get_traits();
this->current_values.as_rgbww(traits.get_min_mireds(), traits.get_max_mireds(), red, green, blue, cold_white,
warm_white);
warm_white, constant_brightness);
*red = gamma_correct(*red, this->gamma_correct_);
*green = gamma_correct(*green, this->gamma_correct_);
*blue = gamma_correct(*blue, this->gamma_correct_);
*cold_white = gamma_correct(*cold_white, this->gamma_correct_);
*warm_white = gamma_correct(*warm_white, this->gamma_correct_);
}
void LightState::current_values_as_cwww(float *cold_white, float *warm_white) {
void LightState::current_values_as_cwww(float *cold_white, float *warm_white, bool constant_brightness) {
auto traits = this->get_traits();
this->current_values.as_cwww(traits.get_min_mireds(), traits.get_max_mireds(), cold_white, warm_white);
this->current_values.as_cwww(traits.get_min_mireds(), traits.get_max_mireds(), cold_white, warm_white,
constant_brightness);
*cold_white = gamma_correct(*cold_white, this->gamma_correct_);
*warm_white = gamma_correct(*warm_white, this->gamma_correct_);
}

5
esphome/components/light/light_state.h
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@@ -270,9 +270,10 @@ class LightState : public Nameable, public Component {
void current_values_as_rgbw(float *red, float *green, float *blue, float *white);
void current_values_as_rgbww(float *red, float *green, float *blue, float *cold_white, float *warm_white);
void current_values_as_rgbww(float *red, float *green, float *blue, float *cold_white, float *warm_white,
bool constant_brightness = false);
void current_values_as_cwww(float *cold_white, float *warm_white);
void current_values_as_cwww(float *cold_white, float *warm_white, bool constant_brightness = false);
protected:
friend LightOutput;

4
esphome/components/rgbww/light.py
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@@ -8,6 +8,8 @@ from esphome.const import CONF_BLUE, CONF_GREEN, CONF_RED, CONF_OUTPUT_ID, CONF_
rgbww_ns = cg.esphome_ns.namespace('rgbww')
RGBWWLightOutput = rgbww_ns.class_('RGBWWLightOutput', light.LightOutput)
CONF_CONSTANT_BRIGHTNESS = 'constant_brightness'
CONFIG_SCHEMA = light.RGB_LIGHT_SCHEMA.extend({
cv.GenerateID(CONF_OUTPUT_ID): cv.declare_id(RGBWWLightOutput),
cv.Required(CONF_RED): cv.use_id(output.FloatOutput),
@@ -17,6 +19,7 @@ CONFIG_SCHEMA = light.RGB_LIGHT_SCHEMA.extend({
cv.Required(CONF_WARM_WHITE): cv.use_id(output.FloatOutput),
cv.Required(CONF_COLD_WHITE_COLOR_TEMPERATURE): cv.color_temperature,
cv.Required(CONF_WARM_WHITE_COLOR_TEMPERATURE): cv.color_temperature,
cv.Optional(CONF_CONSTANT_BRIGHTNESS, default=False): cv.boolean,
})
@@ -38,3 +41,4 @@ def to_code(config):
wwhite = yield cg.get_variable(config[CONF_WARM_WHITE])
cg.add(var.set_warm_white(wwhite))
cg.add(var.set_warm_white_temperature(config[CONF_WARM_WHITE_COLOR_TEMPERATURE]))
cg.add(var.set_constant_brightness(config[CONF_CONSTANT_BRIGHTNESS]))

4
esphome/components/rgbww/rgbww_light_output.h
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@@ -16,6 +16,7 @@ class RGBWWLightOutput : public light::LightOutput {
void set_warm_white(output::FloatOutput *warm_white) { warm_white_ = warm_white; }
void set_cold_white_temperature(float cold_white_temperature) { cold_white_temperature_ = cold_white_temperature; }
void set_warm_white_temperature(float warm_white_temperature) { warm_white_temperature_ = warm_white_temperature; }
void set_constant_brightness(bool constant_brightness) { constant_brightness_ = constant_brightness; }
light::LightTraits get_traits() override {
auto traits = light::LightTraits();
traits.set_supports_brightness(true);
@@ -28,7 +29,7 @@ class RGBWWLightOutput : public light::LightOutput {
}
void write_state(light::LightState *state) override {
float red, green, blue, cwhite, wwhite;
state->current_values_as_rgbww(&red, &green, &blue, &cwhite, &wwhite);
state->current_values_as_rgbww(&red, &green, &blue, &cwhite, &wwhite, this->constant_brightness_);
this->red_->set_level(red);
this->green_->set_level(green);
this->blue_->set_level(blue);
@@ -44,6 +45,7 @@ class RGBWWLightOutput : public light::LightOutput {
output::FloatOutput *warm_white_;
float cold_white_temperature_;
float warm_white_temperature_;
bool constant_brightness_;
};
} // namespace rgbww