Support for the AirThings Wave Plus (#1656)

Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>

esphome/components/airthings_ble/__init__.py

@@ -0,0 +1,23 @@
+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome.components import esp32_ble_tracker
+from esphome.const import CONF_ID
+
+DEPENDENCIES = ["esp32_ble_tracker"]
+CODEOWNERS = ["@jeromelaban"]
+
+airthings_ble_ns = cg.esphome_ns.namespace("airthings_ble")
+AirthingsListener = airthings_ble_ns.class_(
+    "AirthingsListener", esp32_ble_tracker.ESPBTDeviceListener
+)
+
+CONFIG_SCHEMA = cv.Schema(
+    {
+        cv.GenerateID(): cv.declare_id(AirthingsListener),
+    }
+).extend(esp32_ble_tracker.ESP_BLE_DEVICE_SCHEMA)
+
+
+def to_code(config):
+    var = cg.new_Pvariable(config[CONF_ID])
+    yield esp32_ble_tracker.register_ble_device(var, config)

esphome/components/airthings_ble/airthings_listener.cpp

@@ -0,0 +1,33 @@
+#include "airthings_listener.h"
+#include "esphome/core/log.h"
+
+#ifdef ARDUINO_ARCH_ESP32
+
+namespace esphome {
+namespace airthings_ble {
+
+static const char *TAG = "airthings_ble";
+
+bool AirthingsListener::parse_device(const esp32_ble_tracker::ESPBTDevice &device) {
+  for (auto &it : device.get_manufacturer_datas()) {
+    if (it.uuid == esp32_ble_tracker::ESPBTUUID::from_uint32(0x0334)) {
+      if (it.data.size() < 4)
+        continue;
+
+      uint32_t sn = it.data[0];
+      sn |= ((uint32_t) it.data[1] << 8);
+      sn |= ((uint32_t) it.data[2] << 16);
+      sn |= ((uint32_t) it.data[3] << 24);
+
+      ESP_LOGD(TAG, "Found AirThings device Serial:%u (MAC: %s)", sn, device.address_str().c_str());
+      return true;
+    }
+  }
+
+  return false;
+}
+
+}  // namespace airthings_ble
+}  // namespace esphome
+
+#endif

esphome/components/airthings_ble/airthings_listener.h

@@ -0,0 +1,20 @@
+#pragma once
+
+#ifdef ARDUINO_ARCH_ESP32
+
+#include "esphome/core/component.h"
+#include "esphome/components/esp32_ble_tracker/esp32_ble_tracker.h"
+#include <BLEDevice.h>
+
+namespace esphome {
+namespace airthings_ble {
+
+class AirthingsListener : public esp32_ble_tracker::ESPBTDeviceListener {
+ public:
+  bool parse_device(const esp32_ble_tracker::ESPBTDevice &device) override;
+};
+
+}  // namespace airthings_ble
+}  // namespace esphome
+
+#endif