feat(bt): Add API to get some information of Classic Bluetooth profile

components/bt/host/bluedroid/api/include/api/esp_avrc_api.h

@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2015-2024 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2015-2025 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -294,6 +294,15 @@ typedef struct {
     uint8_t   attr_val;                      /*!< player application attribute value */
 } esp_avrc_set_app_value_param_t;
 
+/**
+ * @brief AVRCP profile status parameters
+ */
+typedef struct {
+    bool avrc_ct_inited;                   /*!< AVRCP CT initialization */
+    bool avrc_tg_inited;                   /*!< AVRCP TG initialization */
+    uint8_t ct_cover_art_conn_num;         /*!< Number of cover art client connections */
+} esp_avrc_profile_status_t;
+
 /// AVRC controller callback parameters
 typedef union {
     /**
@@ -870,6 +879,16 @@ esp_err_t esp_avrc_ct_cover_art_get_image(uint8_t *image_handle, uint8_t *image_
  */
 esp_err_t esp_avrc_ct_cover_art_get_linked_thumbnail(uint8_t *image_handle);
 
+/**
+ * @brief       This function is used to get the status of AVRCP
+ *
+ * @param[out]  profile_status - AVRCP status
+ *
+ * @return
+ *              - ESP_OK: success
+ *              - other: failed
+ */
+esp_err_t esp_avrc_get_profile_status(esp_avrc_profile_status_t *profile_status);
 
 #ifdef __cplusplus
 }

components/bt/host/bluedroid/api/include/api/esp_bt_defs.h

@@ -306,6 +306,8 @@ typedef uint8_t esp_ble_key_mask_t;            /* the key mask type */
 
 #define ESP_BLE_ADV_NAME_LEN_MAX 29
 
+#define ESP_INVALID_CONN_HANDLE  0xfff
+
 #ifdef __cplusplus
 }
 #endif

components/bt/host/bluedroid/api/include/api/esp_hf_ag_api.h

@@ -79,7 +79,8 @@ typedef enum
 /// HFP AG profile status parameters
 typedef struct {
     bool hfp_ag_inited;                        /*!< hfp ag initialization */
-    uint8_t conn_num;                          /*!< Number of connections */
+    uint8_t slc_conn_num;                      /*!< Number of Service Level Connections */
+    uint8_t sync_conn_num;                     /*!< Number of (e)SCO Connections */
 } esp_hf_profile_status_t;
 
 /// HFP AG callback parameters

components/bt/host/bluedroid/api/include/api/esp_hf_client_api.h

@@ -48,7 +48,8 @@ typedef enum {
  */
 typedef struct {
     bool hf_client_inited;                             /*!< hf client initialization */
-    uint8_t conn_num;                                  /*!< Number of connections */
+    uint8_t slc_conn_num;                              /*!< Number of Service Level Connections */
+    uint8_t sync_conn_num;                             /*!< Number of (e)SCO Connections */
 } esp_hf_client_profile_status_t;
 
 /* features masks of AG */

components/bt/host/bluedroid/api/include/api/esp_hidd_api.h

@@ -151,6 +151,8 @@ typedef enum {
 typedef struct {
     bool hidd_inited;                      /*!< HID device initialization */
     uint8_t conn_num;                      /*!< Number of connections */
+    uint8_t plug_vc_dev_num;               /*!< Number of plugged virtual cable devices */
+    uint8_t reg_app_num;                   /*!< Number of HID device application registrations */
 } esp_hidd_profile_status_t;
 
 /**

components/bt/host/bluedroid/api/include/api/esp_hidh_api.h

@@ -139,6 +139,7 @@ typedef struct {
 typedef struct {
     bool hidh_inited;                         /*!< HID host initialization */
     uint8_t conn_num;                         /*!< Number of connections */
+    uint8_t plug_vc_dev_num;                  /*!< Number of plugged virtual cable devices*/
 } esp_hidh_profile_status_t;
 
 /**