components/bt: Add a detailed description for the user to distinguish the function of the query buffer api.

This commit is contained in:
Wang Cheng 2020-06-15 18:52:48 +08:00 committed by wangcheng
parent 02cd178115
commit 21ff2f84ce

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@ -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)
{