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

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(cherry picked from commit 27fc241384)

Co-authored-by: zhanghaipeng <zhanghaipeng@espressif.com>
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Zhang Hai Peng
2026-06-02 10:23:39 +08:00
parent 7971ea4ac7
commit c06569f101
1 changed files with 3 additions and 0 deletions
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components/bt/host/bluedroid/api/esp_gatt_common_api.c
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@@ -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. * @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. * 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. * @param[in] conn_id: current connection id.
* *
* @return * @return