feat: parse and filter ibeacon/altbeacon/eddystone ble advertisements

components/mqtt_publisher/include/mqtt_publisher.h

@@ -41,5 +41,8 @@ esp_err_t mqtt_publisher_init(const char *sensor_id,
 /** Publish an RSSI reading. Non-blocking (QoS 1). */
 void mqtt_publisher_send_rssi(const char *tag_id, int8_t rssi);
 
+/** Publish a parsed beacon reading with type, id, tx_power and rssi. Non-blocking (QoS 1). */
+void mqtt_publisher_send_beacon(const char *type, const char *id, int8_t tx_power, int8_t rssi);
+
 /** Publish the announce message (empty payload). */
 void mqtt_publisher_announce(void);

components/mqtt_publisher/src/mqtt_publisher.c

@@ -139,3 +139,14 @@ void mqtt_publisher_send_rssi(const char *tag_id, int8_t rssi)
                        "{\"tag_id\":\"%s\",\"rssi\":%d}", tag_id, (int)rssi);
     esp_mqtt_client_publish(s_client, s_topic_rssi, payload, len, 1, 0);
 }
+
+void mqtt_publisher_send_beacon(const char *type, const char *id, int8_t tx_power, int8_t rssi)
+{
+    if (!s_client) return;
+
+    char payload[128];
+    int len = snprintf(payload, sizeof(payload),
+                       "{\"type\":\"%s\",\"id\":\"%s\",\"tx_power\":%d,\"rssi\":%d}",
+                       type, id, (int)tx_power, (int)rssi);
+    esp_mqtt_client_publish(s_client, s_topic_rssi, payload, len, 1, 0);
+}