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#pragma once
#include "../common.h"
#include "../light_hal.h"
#include "color_instant_handler.h"
#include "color_transition_handler.h"
#include "esphome/components/ledc/ledc_output.h"
namespace esphome {
namespace xiaomi {
namespace bslamp2 {
/**
* A LightOutput class for the Xiaomi Mijia Bedside Lamp 2.
*
* The function of this class is to translate a required light state
* into actual physicial GPIO output signals to drive the device's LED
* circuitry. It forms the glue between the physical device and the
* logical light color input.
*/
class XiaomiBslamp2LightOutput : public Component, public light::LightOutput {
public:
void set_parent(LightHAL *light) { light_ = light; }
/**
* Returns a LightTraits object, which is used to explain to the outside
* world (e.g. Home Assistant) what features are supported by this device.
*/
light::LightTraits get_traits() override {
auto traits = light::LightTraits();
traits.set_supported_color_modes({light::ColorMode::RGB, light::ColorMode::COLOR_TEMPERATURE});
traits.set_min_mireds(MIRED_MIN);
traits.set_max_mireds(MIRED_MAX);
return traits;
}
void add_on_light_mode_callback(std::function<void(std::string)> &&callback) {
light_mode_callback_.add(std::move(callback));
}
void add_on_state_callback(std::function<void(light::LightColorValues)> &&callback) {
state_callback_.add(std::move(callback));
}
/**
* Applies a requested light state to the physicial GPIO outputs.
*/
void write_state(light::LightState *state) {
auto values = state->current_values;
// The color must either be set instantly, or the color is
// transitioning to an end color. The transition handler will do its
// own inspection to see if a transition is currently active or not.
// Based on the outcome, use either the instant or transition handler.
GPIOOutputs *delegate;
if (transition_handler_->set_light_color_values(values)) {
delegate = transition_handler_;
light_mode_callback_.call(delegate->light_mode);
state_callback_.call(transition_handler_->get_end_values());
} else {
instant_handler_->set_light_color_values(values);
delegate = instant_handler_;
light_mode_callback_.call(delegate->light_mode);
state_callback_.call(values);
}
// Note: one might think that it is more logical to turn on the LED
// circuitry master switch after setting the individual channels,
// but this is the order that was used by the original firmware. I
// tried to stay as close as possible to the original behavior, so
// that's why these GPIOs are turned on at this point.
if (values.get_state() != 0)
light_->turn_on();
// Apply the current GPIO output levels from the selected handler.
light_->set_rgbw(delegate->red, delegate->green, delegate->blue, delegate->white);
if (values.get_state() == 0)
light_->turn_off();
}
protected:
LightHAL *light_;
ColorTransitionHandler *transition_handler_;
ColorInstantHandler *instant_handler_ = new ColorInstantHandler();
CallbackManager<void(std::string)> light_mode_callback_{};
CallbackManager<void(light::LightColorValues)> state_callback_{};
friend class XiaomiBslamp2LightState;
/**
* Called by the XiaomiBslamp2LightState class, to set the object that can be
* used to access the protected LightTransformer data from the LightState
* object.
*/
void set_transformer_inspector(LightStateTransformerInspector *exposer) {
transition_handler_ = new ColorTransitionHandler(exposer);
}
};
} // namespace bslamp2
} // namespace xiaomi
} // namespace esphome