Merge branch 'optimize/ble_mesh_gattc_conn_param_v3.3' into 'release/v3.3'

ble_mesh: stack: Update connection parameters used by Central (v3.3)

See merge request espressif/esp-idf!11285

components/bt/esp_ble_mesh/mesh_core/bluedroid_host/mesh_bearer_adapt.c

@@ -1210,12 +1210,12 @@ int bt_mesh_gattc_conn_create(const bt_mesh_addr_t *addr, u16_t service_uuid)
 
     BT_DBG("Create conn with %s", bt_hex(addr->val, BLE_MESH_ADDR_LEN));
 
-    /* Min_interval: 250ms
-     * Max_interval: 250ms
+    /* Min_interval: 15ms
+     * Max_interval: 15ms
      * Slave_latency: 0x0
-     * Supervision_timeout: 32 sec
+     * Supervision_timeout: 1s
      */
-    BTA_DmSetBlePrefConnParams(bt_mesh_gattc_info[i].addr.val, 0xC8, 0xC8, 0x00, 0xC80);
+    BTA_DmSetBlePrefConnParams(bt_mesh_gattc_info[i].addr.val, 0x18, 0x18, 0x00, 0x64);
 
     BTA_GATTC_Open(bt_mesh_gattc_if, bt_mesh_gattc_info[i].addr.val,
                    bt_mesh_gattc_info[i].addr.type, true, BTA_GATT_TRANSPORT_LE);

components/bt/esp_ble_mesh/mesh_core/nimble_host/mesh_bearer_adapt.c

@@ -1424,18 +1424,18 @@ int bt_mesh_gattc_conn_create(const bt_mesh_addr_t *addr, u16_t service_uuid)
 
     BT_DBG("Create conn with %s", bt_hex(addr->val, BLE_MESH_ADDR_LEN));
 
-    /* Min_interval: 250ms
-     * Max_interval: 250ms
+    /* Min_interval: 15ms
+     * Max_interval: 15ms
      * Slave_latency: 0x0
-     * Supervision_timeout: 32 sec
+     * Supervision_timeout: 1s
      */
     struct ble_gap_conn_params conn_params = {0};
-    conn_params.itvl_min = 0xC8; /* (250 * 1000) / 1250 = 200 = 0xC8 */
-    conn_params.itvl_max = 0xC8; /* (250 * 1000) / 1250 = 200 = 0xC8 */
+    conn_params.itvl_min = 0x18;
+    conn_params.itvl_max = 0x18;
     conn_params.latency = 0;
-    conn_params.supervision_timeout = 0xC80;
-    conn_params.scan_itvl = 0x0020; //0x0010
-    conn_params.scan_window = 0x0020; //0x0010
+    conn_params.supervision_timeout = 0x64;
+    conn_params.scan_itvl = 0x0020;
+    conn_params.scan_window = 0x0020;
     conn_params.min_ce_len = BLE_GAP_INITIAL_CONN_MIN_CE_LEN;
     conn_params.max_ce_len = BLE_GAP_INITIAL_CONN_MAX_CE_LEN;