common.yaml

# =============================================================================
# ESP32 Base Configuration
# Cấu hình cơ bản cho tất cả các thiết bị ESP32 trong hệ thống
# =============================================================================

# ───────────────────────── ESP32 Platform ─────────────────────────
esp32:
  # board: ${board}  # Sẽ được override bởi file con
  framework:
    type: esp-idf

# ───────────────────────── Core Services ─────────────────────────
logger:
  baud_rate: 115200
  level: DEBUG

api:
  reboot_timeout: 0s

ota:
  - platform: esphome
    password: !secret ota_password

web_server:
  port: 80

time:
  - platform: sntp

# ───────────────────────── WiFi Configuration ─────────────────────────
wifi:
  # Cấu hình networks sẽ được override bởi file con
  fast_connect: true
  power_save_mode: none
  reboot_timeout: 10min

captive_portal:


# ───────────────────────── System Monitoring Sensors ─────────────────────────
sensor:
  # System Uptime
  - platform: uptime
    name: "Uptime Seconds"
    id: uptime_sec  
    update_interval: 10s

  # Memory monitoring
  - platform: template
    name: "Heap Free"
    id: heap_free_kb
    unit_of_measurement: "kB"
    accuracy_decimals: 0
    update_interval: 30s
    entity_category: diagnostic
    lambda: |-
      #ifdef ESP_IDF_VERSION
        size_t free_bytes = heap_caps_get_free_size(MALLOC_CAP_8BIT);
      #else
        size_t free_bytes = ESP.getFreeHeap();
      #endif
      return (float) free_bytes / 1024.0f;

  - platform: template
    name: "PSRAM Free"
    id: psram_free_kb
    unit_of_measurement: "kB"
    accuracy_decimals: 0
    update_interval: 30s
    entity_category: diagnostic
    lambda: |-
      #if CONFIG_SPIRAM
        size_t free_bytes = heap_caps_get_free_size(MALLOC_CAP_SPIRAM);
        return (float) free_bytes / 1024.0f;
      #else
        return NAN;  // Không có PSRAM thì trả NAN (ẩn biểu đồ)
      #endif

  # WiFi Signal Monitoring
  - platform: wifi_signal
    id: rssi_dbm
    name: "WiFi RSSI"
    update_interval: 30s
    entity_category: diagnostic
    filters:
      - sliding_window_moving_average:
          window_size: 5
          send_every: 1

  # WiFi Quality Percentage (0-100%)
  - platform: template
    id: wifi_quality_pct
    name: "WiFi Quality"
    unit_of_measurement: "%"
    accuracy_decimals: 0
    update_interval: 30s
    entity_category: diagnostic
    lambda: |-
      float rssi = id(rssi_dbm).state;
      if (isnan(rssi)) return NAN;
      if (rssi <= -100) return 0;
      if (rssi >= -50)  return 100;
      return (rssi + 100.0f) * 2.0f;

text_sensor:
  - platform: template
    name: "Uptime"
    icon: mdi:clock-outline
    entity_category: diagnostic
    lambda: |-
      uint32_t t = (uint32_t) id(uptime_sec).state;
      uint32_t d = t / 86400;
      uint32_t h = (t % 86400) / 3600;
      uint32_t m = (t % 3600) / 60;
      uint32_t s = t % 60;
      char buf[40];
      if (d)       snprintf(buf, sizeof(buf), "%ud %uh %um %us", d, h, m, s);
      else if (h)  snprintf(buf, sizeof(buf), "%uh %um %us", h, m, s);
      else if (m)  snprintf(buf, sizeof(buf), "%um %us", m, s);
      else         snprintf(buf, sizeof(buf), "%us", s);
      return std::string(buf);
    update_interval: 10s
  - platform: wifi_info
    ip_address:
      name: "WiFi IP"
    ssid:
      name: "WiFi SSID"
    bssid:
      name: "WiFi BSSID"
    mac_address:
      name: "WiFi MAC"
  # 3) Quy đổi dBm -> số vạch "x/5"
  - platform: template
    id: wifi_bars
    name: "WiFi Bars"
    update_interval: 30s
    entity_category: diagnostic
    lambda: |-
      float rssi = id(rssi_dbm).state;
      if (isnan(rssi)) return {"N/A"};
      int bars = 0;
      if (rssi >= -55) bars = 5;
      else if (rssi >= -65) bars = 4;
      else if (rssi >= -72) bars = 3;
      else if (rssi >= -80) bars = 2;
      else if (rssi >= -90) bars = 1;
      else bars = 0;
      char buffer[5];
      sprintf(buffer, "%d/5", bars);
      return {buffer};

# ── Nút restart thủ công ─────────────────────────────────────────────
button:
  - platform: restart
    id: restart_button
    name: "Restart thiết bị"