Gosund dimmer

common/binary_sensor/day_night.yaml

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+platform: homeassistant
+id: day_night
+entity_id: input_boolean.day_night

common/binary_sensor/gosund_dimmer_button.yaml

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+platform: gpio
+pin:
+  number: GPIO4
+  inverted: true
+id: gosund_button
+on_multi_click:
+  - timing:
+      - ON for at most 1s
+      - OFF for at most .4s
+      - ON for at most 1s
+      - OFF for at least 0.1s
+    then:
+      - script.execute: double_tap
+  - timing:
+      - ON for at most 1s
+      - OFF for at least 0.4s
+    then:
+      - if:
+          condition:
+            light.is_off: gosund_light
+          then:
+            - light.turn_on:
+                id: gosund_light
+                brightness: !lambda |-
+                  return (id(day_night) ? ${day_level} : ${night_level}) / 100.0;
+          else:
+            - light.turn_off: gosund_light
+      - script.execute: single_tap

common/common_gosund_dimmer.yaml

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+<<: !include wifi.yaml
+<<: !include api.yaml
+<<: !include ota.yaml
+
+<<: !include status_led/gosund_dimmer.yaml
+
+light:
+  - !include light/gosund_dimmer.yaml
+
+output:
+  - !include output/gosund_dimmer_led.yaml
+
+uart:
+  - !include uart/gosund_dimmer.yaml

common/light/gosund_dimmer.yaml

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+platform: custom
+lambda: |-
+  auto gosund_light = new GosundSW2Light(gosund_uart, gosund_dimmer_led);
+  App.register_component(gosund_light);
+  return {gosund_light};
+lights:
+  - id: gosund_light
+    name: ${device_name}

common/output/gosund_dimmer_led.yaml

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+platform: gpio
+id: gosund_dimmer_led
+pin:
+  number: GPIO13
+  inverted: true

common/status_led/gosund_dimmer.yaml

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+status_led:
+  pin:
+    number: GPIO12
+    inverted: true

common/uart/gosund_dimmer.yaml

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+id: gosund_uart
+rx_pin: GPIO3
+tx_pin: GPIO1
+baud_rate: 115200

dining_room_light.yaml

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+substitutions:
+  device_id: dining_room_light
+  device_name: Dining Room Light
+  platform: ESP8266
+  board: esp01_1m
+  ip_address: !secret dining_room_light_ip
+  ota_pwd: !secret dining_room_light_ota_pwd
+  api_pwd: !secret dining_room_light_api_pwd
+  ap_wifi_pwd: !secret dining_room_light_ap_wifi_pwd
+
+  day_level: '100'
+  night_level: '10'
+
+esphome:
+  <<: !include common/esphome.yaml
+  includes:
+    - gosund_sw2_dimmer.h
+
+<<: !include common/common_gosund_dimmer.yaml
+<<: !include common/logger/logger_debug_no_serial.yaml
+
+binary_sensor:
+  - !include common/binary_sensor/status.yaml
+  - !include common/binary_sensor/day_night.yaml
+  - !include common/binary_sensor/gosund_dimmer_button.yaml
+
+sensor:
+  - !include common/sensor/uptime.yaml
+  - !include common/sensor/wifi.yaml
+
+switch:
+  - !include common/switch/restart.yaml
+
+text_sensor:
+  - !include common/text_sensor/version.yaml
+  - !include common/text_sensor/wifi.yaml
+
+script:
+  - id: single_tap
+    then:
+      - logger.log: "Single Tap"
+  - id: double_tap
+    then:
+      - logger.log: "Double Tap"

gosund_sw2_dimmer.h

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+#pragma once
+#include "esphome.h"
+#include "esphome/components/output/binary_output.h"
+#include "esphome/components/light/light_state.h"
+#include "esphome/components/light/light_output.h"
+#include "esphome/components/uart/uart.h"
+
+class GosundSW2Light : public Component, public uart::UARTDevice, public light::LightOutput {
+  public:
+    GosundSW2Light(UARTComponent *uart, BinaryOutput *indicator) : UARTDevice(uart) { indicator_ = indicator; }
+    void setup() override {}
+    void loop() override;
+    LightTraits get_traits() override;
+    void setup_state(light::LightState *state) override  { state_ = state; }
+    void write_state(light::LightState *state) override;
+  
+  protected:
+    light::LightState *state_;
+    output::BinaryOutput *indicator_;
+};
+
+LightTraits GosundSW2Light::get_traits() {
+  auto traits = LightTraits();
+  traits.set_supports_brightness(true);
+  return traits;
+}
+
+void GosundSW2Light::write_state(light::LightState *state) {
+  float brightness;
+  state->current_values_as_brightness(&brightness);
+  uint8_t command;
+
+  if (brightness == 0.0f) {
+    command = 0;
+    indicator_->turn_off();
+  }
+  else {
+    command = (127.0 * brightness) + 0x80;
+    indicator_->turn_on();
+  }
+
+  this->write_byte(command);
+}
+
+void GosundSW2Light::loop() {
+  if (this->available() >= 5) {
+    uint8_t data[5];
+    if (this->read_array(data, 5)) {
+      auto brightness = float(data[1] == 0 ? 1 : data[1] > 100 ? 100 : data[1]) / 100.0;
+      auto call = this->state_->make_call();
+      call.set_brightness(brightness);
+      call.set_transition_length(0);
+      call.perform();
+    }
+  }
+}

living_room_lights.yaml

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+substitutions:
+  device_id: living_room_lights
+  device_name: Living Room Lights
+  platform: ESP8266
+  board: esp01_1m
+  ip_address: !secret living_room_lights_ip
+  ota_pwd: !secret living_room_lights_ota_pwd
+  api_pwd: !secret living_room_lights_api_pwd
+  ap_wifi_pwd: !secret living_room_lights_ap_wifi_pwd
+
+  day_level: '100'
+  night_level: '10'
+
+esphome:
+  <<: !include common/esphome.yaml
+  includes:
+    - gosund_sw2_dimmer.h
+
+<<: !include common/common_gosund_dimmer.yaml
+<<: !include common/logger/logger_debug_no_serial.yaml
+
+binary_sensor:
+  - !include common/binary_sensor/status.yaml
+  - !include common/binary_sensor/day_night.yaml
+  - !include common/binary_sensor/gosund_dimmer_button.yaml
+
+sensor:
+  - !include common/sensor/uptime.yaml
+  - !include common/sensor/wifi.yaml
+
+switch:
+  - !include common/switch/restart.yaml
+
+text_sensor:
+  - !include common/text_sensor/version.yaml
+  - !include common/text_sensor/wifi.yaml
+
+script:
+  - id: single_tap
+    then:
+      - logger.log: "Single Tap"
+  - id: double_tap
+    then:
+      - logger.log: "Double Tap"