mirror of
https://github.com/espressif/esp-idf.git
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911847e3ea
For the CID10564,10384,10280,10098,10038,The memory was released in other place. For the CID10365,it release the memory in the function when sent successfully. For the CID10268,10011, we need not change the code.
76 lines
2.1 KiB
C
76 lines
2.1 KiB
C
/*
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* SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <string.h>
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#include "esp_gatt_common_api.h"
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#include "esp_bt_main.h"
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#include "esp_gatt_defs.h"
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#include "btc_gatt_common.h"
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/**
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* @brief This function is called to set local MTU,
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* the function is called before BLE connection.
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*
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* @param[in] mtu: the size of MTU.
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*
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* @return
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* - ESP_OK: success
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* - other: failed
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*
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*/
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esp_err_t esp_ble_gatt_set_local_mtu (uint16_t mtu)
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{
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btc_msg_t msg = {0};
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btc_ble_gatt_com_args_t arg;
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ESP_BLUEDROID_STATUS_CHECK(ESP_BLUEDROID_STATUS_ENABLED);
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if ((mtu < ESP_GATT_DEF_BLE_MTU_SIZE) || (mtu > ESP_GATT_MAX_MTU_SIZE)) {
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return ESP_ERR_INVALID_SIZE;
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}
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msg.sig = BTC_SIG_API_CALL;
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msg.pid = BTC_PID_GATT_COMMON;
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msg.act = BTC_GATT_ACT_SET_LOCAL_MTU;
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arg.set_mtu.mtu = mtu;
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return (btc_transfer_context(&msg, &arg, sizeof(btc_ble_gatt_com_args_t), NULL) == BT_STATUS_SUCCESS ? ESP_OK : ESP_FAIL);
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}
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#if (BLE_INCLUDED == TRUE)
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extern UINT16 L2CA_GetFreePktBufferNum_LE(void);
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/**
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* @brief This function is called to get currently sendable packets number on controller,
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* the function is called only in BLE running core and single connection now.
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*
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* @return
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* sendable packets number on controller
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*
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*/
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uint16_t esp_ble_get_sendable_packets_num (void)
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{
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return L2CA_GetFreePktBufferNum_LE();
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}
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/**
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* @brief This function is used to query the number of available buffers for the current connection.
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* When you need to query the current available buffer number, it is recommended to use this API.
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* @param[in] conn_id: current connection id.
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*
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* @return
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* Number of available buffers for the current connection
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*
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*/
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extern UINT16 L2CA_GetCurFreePktBufferNum_LE(UINT16 conn_id);
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uint16_t esp_ble_get_cur_sendable_packets_num (uint16_t connid)
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{
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return L2CA_GetCurFreePktBufferNum_LE(connid);
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}
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#endif
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