From c65bd02d87340d70fe8455a2d842e6702f698ce3 Mon Sep 17 00:00:00 2001 From: Wang Cheng Date: Mon, 15 Jun 2020 18:52:48 +0800 Subject: [PATCH] components/bt: Add a detailed description for the user to distinguish the function of the query buffer api. --- .../bt/host/bluedroid/api/esp_gatt_common_api.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/components/bt/host/bluedroid/api/esp_gatt_common_api.c b/components/bt/host/bluedroid/api/esp_gatt_common_api.c index c7081c3bc3..983092516f 100644 --- a/components/bt/host/bluedroid/api/esp_gatt_common_api.c +++ b/components/bt/host/bluedroid/api/esp_gatt_common_api.c @@ -53,7 +53,7 @@ extern UINT16 L2CA_GetFreePktBufferNum_LE(void); /** * @brief This function is called to get currently sendable packets number on controller, - * the function is called only in BLE running core now. + * the function is called only in BLE running core and single connection now. * * @return * sendable packets number on controller @@ -65,7 +65,16 @@ uint16_t esp_ble_get_sendable_packets_num (void) return L2CA_GetFreePktBufferNum_LE(); } - +/** + * @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. + * @param[in] conn_id: current connection id. + * + * @return + * Number of available buffers for the current connection + * + */ + extern UINT16 L2CA_GetCurFreePktBufferNum_LE(UINT16 conn_id); uint16_t esp_ble_get_cur_sendable_packets_num (uint16_t connid) {