docs(bt/bluedroid): add usage note for esp_ble_get_cur_sendable_packets_num

2026-10-02 11:10:54 +03:00 · 2026-05-29 10:16:21 +08:00
parent 1a9f2af505
commit 27fc241384
1 changed files with 3 additions and 0 deletions
@@ -64,6 +64,9 @@ uint16_t esp_ble_get_sendable_packets_num (void)
 /**
 * @brief           This function is used to query the number of available buffers for the current connection.
 *                  When you need to query the current available buffer number, it is recommended to use this API.
+ *
+ * @note            This API can only be called when a direct connection exists.
+ *
 * @param[in]       conn_id: current connection id.
 *
 * @return