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Hbridge christmas light (#1251)
* Hbridge Christmas light component Can be used for Christmas lights that use 2 wires to run 2 different strings of lights using a hbridge driver. * Add Test NOTE: I am unable to test this via the docker image * Update hbridge_light_output.h * Update hbridge_light_output.h * Update hbridge_light_output.h * Update light.py * Fixed duty as white value bug fixed * lint changes * Name case change * thanks lint
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esphome/components/hbridge/__init__.py
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esphome/components/hbridge/__init__.py
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esphome/components/hbridge/hbridge_light_output.h
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esphome/components/hbridge/hbridge_light_output.h
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#pragma once
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#include "esphome/core/component.h"
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#include "esphome/components/output/float_output.h"
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#include "esphome/components/light/light_output.h"
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#include "esphome/core/log.h"
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namespace esphome {
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namespace hbridge {
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// Using PollingComponent as the updates are more consistent and reduces flickering
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class HBridgeLightOutput : public PollingComponent, public light::LightOutput {
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public:
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HBridgeLightOutput() : PollingComponent(1) {}
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void set_pina_pin(output::FloatOutput *pina_pin) { pina_pin_ = pina_pin; }
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void set_pinb_pin(output::FloatOutput *pinb_pin) { pinb_pin_ = pinb_pin; }
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light::LightTraits get_traits() override {
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auto traits = light::LightTraits();
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traits.set_supports_brightness(true); // Dimming
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traits.set_supports_rgb(false);
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traits.set_supports_rgb_white_value(true); // hbridge color
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traits.set_supports_color_temperature(false);
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return traits;
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}
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void setup() override { this->forward_direction_ = false; }
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void update() override {
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// This method runs around 60 times per second
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// We cannot do the PWM ourselves so we are reliant on the hardware PWM
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if (!this->forward_direction_) { // First LED Direction
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this->pinb_pin_->set_level(this->duty_off_);
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this->pina_pin_->set_level(this->pina_duty_);
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this->forward_direction_ = true;
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} else { // Second LED Direction
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this->pina_pin_->set_level(this->duty_off_);
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this->pinb_pin_->set_level(this->pinb_duty_);
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this->forward_direction_ = false;
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}
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}
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float get_setup_priority() const override { return setup_priority::HARDWARE; }
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void write_state(light::LightState *state) override {
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float bright;
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state->current_values_as_brightness(&bright);
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state->set_gamma_correct(0);
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float red, green, blue, white;
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state->current_values_as_rgbw(&red, &green, &blue, &white);
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if ((white / bright) > 0.55) {
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this->pina_duty_ = (bright * (1 - (white / bright)));
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this->pinb_duty_ = bright;
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} else if (white < 0.45) {
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this->pina_duty_ = bright;
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this->pinb_duty_ = white;
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} else {
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this->pina_duty_ = bright;
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this->pinb_duty_ = bright;
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}
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}
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protected:
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output::FloatOutput *pina_pin_;
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output::FloatOutput *pinb_pin_;
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float pina_duty_ = 0;
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float pinb_duty_ = 0;
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float duty_off_ = 0;
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bool forward_direction_ = false;
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};
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} // namespace hbridge
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} // namespace esphome
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esphome/components/hbridge/light.py
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esphome/components/hbridge/light.py
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import esphome.codegen as cg
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import esphome.config_validation as cv
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from esphome.components import light, output
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from esphome.const import CONF_OUTPUT_ID, CONF_PIN_A, CONF_PIN_B
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hbridge_ns = cg.esphome_ns.namespace('hbridge')
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HBridgeLightOutput = hbridge_ns.class_('HBridgeLightOutput', cg.PollingComponent, light.LightOutput)
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CONFIG_SCHEMA = light.RGB_LIGHT_SCHEMA.extend({
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cv.GenerateID(CONF_OUTPUT_ID): cv.declare_id(HBridgeLightOutput),
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cv.Required(CONF_PIN_A): cv.use_id(output.FloatOutput),
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cv.Required(CONF_PIN_B): cv.use_id(output.FloatOutput),
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})
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def to_code(config):
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var = cg.new_Pvariable(config[CONF_OUTPUT_ID])
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yield cg.register_component(var, config)
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yield light.register_light(var, config)
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hside = yield cg.get_variable(config[CONF_PIN_A])
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cg.add(var.set_pina_pin(hside))
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lside = yield cg.get_variable(config[CONF_PIN_B])
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cg.add(var.set_pinb_pin(lside))
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@ -761,6 +761,9 @@ output:
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id: out
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id: out
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pin: D3
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pin: D3
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frequency: 50Hz
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frequency: 50Hz
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- platform: esp8266_pwm
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id: out2
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pin: D4
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- platform: custom
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- platform: custom
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type: binary
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type: binary
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lambda: |-
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lambda: |-
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@ -809,6 +812,10 @@ light:
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uart_id: adalight_uart
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uart_id: adalight_uart
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- e131:
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- e131:
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universe: 1
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universe: 1
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- platform: hbridge
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name: Icicle Lights
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pin_a: out
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pin_b: out2
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servo:
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servo:
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id: my_servo
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id: my_servo
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