mirror of
https://github.com/espressif/esp-idf.git
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311 lines
8.8 KiB
C
311 lines
8.8 KiB
C
// Copyright 2017-2018 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef __ESP_MESH_INTERNAL_H__
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#define __ESP_MESH_INTERNAL_H__
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#include "esp_err.h"
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#include "esp_mesh.h"
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#include "esp_wifi.h"
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#include "esp_wifi_types.h"
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#include "esp_private/wifi.h"
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#include "esp_wifi_crypto_types.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*******************************************************
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* Constants
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*******************************************************/
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/*******************************************************
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* Structures
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*******************************************************/
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typedef struct {
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int scan; /**< minimum scan times before being a root, default:10 */
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int vote; /**< max vote times in self-healing, default:1000 */
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int fail; /**< parent selection fail times, if the scan times reach this value,
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device will disconnect with associated children and join self-healing. default:60 */
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int monitor_ie; /**< acceptable times of parent networking IE change before update its own networking IE. default:3 */
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} mesh_attempts_t;
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typedef struct {
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int duration_ms; /* parent weak RSSI monitor duration, if the RSSI continues to be weak during this duration_ms,
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device will search for a new parent. */
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int cnx_rssi; /* RSSI threshold for keeping a good connection with parent.
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If set a value greater than -120 dBm, a timer will be armed to monitor parent RSSI at a period time of duration_ms. */
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int select_rssi; /* RSSI threshold for parent selection. It should be a value greater than switch_rssi. */
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int switch_rssi; /* Disassociate with current parent and switch to a new parent when the RSSI is greater than this set threshold. */
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int backoff_rssi; /* RSSI threshold for connecting to the root */
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} mesh_switch_parent_t;
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typedef struct {
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int high;
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int medium;
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int low;
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} mesh_rssi_threshold_t;
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/**
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* @brief Mesh networking IE
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*/
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typedef struct {
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/**< mesh networking IE head */
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uint8_t eid; /**< element ID */
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uint8_t len; /**< element length */
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uint8_t oui[3]; /**< organization identifier */
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/**< mesh networking IE content */
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uint8_t type; /** ESP defined IE type */
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uint8_t encrypted : 1; /**< whether mesh networking IE is encrypted */
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uint8_t version : 7; /**< mesh networking IE version */
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/**< content */
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uint8_t mesh_type; /**< mesh device type */
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uint8_t mesh_id[6]; /**< mesh ID */
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uint8_t layer_cap; /**< max layer */
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uint8_t layer; /**< current layer */
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uint8_t assoc_cap; /**< max connections of mesh AP */
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uint8_t assoc; /**< current connections */
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uint8_t leaf_cap; /**< leaf capacity */
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uint8_t leaf_assoc; /**< the number of current connected leaf */
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uint16_t root_cap; /**< root capacity */
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uint16_t self_cap; /**< self capacity */
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uint16_t layer2_cap; /**< layer2 capacity */
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uint16_t scan_ap_num; /**< the number of scanning APs */
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int8_t rssi; /**< RSSI of the parent */
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int8_t router_rssi; /**< RSSI of the router */
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uint8_t flag; /**< flag of networking */
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uint8_t rc_addr[6]; /**< root address */
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int8_t rc_rssi; /**< root RSSI */
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uint8_t vote_addr[6]; /**< voter address */
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int8_t vote_rssi; /**< vote RSSI of the router */
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uint8_t vote_ttl; /**< vote ttl */
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uint16_t votes; /**< votes */
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uint16_t my_votes; /**< my votes */
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uint8_t reason; /**< reason */
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uint8_t child[6]; /**< child address */
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uint8_t toDS; /**< toDS state */
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} __attribute__((packed)) mesh_assoc_t;
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typedef struct {
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uint16_t layer_cap;
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uint16_t layer;
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} mesh_chain_layer_t;
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typedef struct {
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mesh_assoc_t tree;
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mesh_chain_layer_t chain;
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} __attribute__((packed)) mesh_chain_assoc_t;
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/**
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* @brief Mesh PS duties
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*/
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typedef struct {
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uint8_t device;
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uint8_t parent;
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struct {
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bool used;
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uint8_t duty;
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uint8_t mac[6];
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} child[ESP_WIFI_MAX_CONN_NUM];
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} esp_mesh_ps_duties_t;
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/*******************************************************
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* Function Definitions
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*******************************************************/
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/**
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* @brief Set mesh softAP beacon interval
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*
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* @param[in] interval beacon interval (msecs) (100 msecs ~ 60000 msecs)
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*
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* @return
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* - ESP_OK
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* - ESP_FAIL
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* - ESP_ERR_WIFI_ARG
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*/
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esp_err_t esp_mesh_set_beacon_interval(int interval_ms);
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/**
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* @brief Get mesh softAP beacon interval
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*
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* @param[out] interval beacon interval (msecs)
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*
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* @return
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* - ESP_OK
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*/
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esp_err_t esp_mesh_get_beacon_interval(int *interval_ms);
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/**
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* @brief Set attempts for mesh self-organized networking
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*
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* @param[in] attempts
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*
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* @return
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* - ESP_OK
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* - ESP_FAIL
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*/
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esp_err_t esp_mesh_set_attempts(mesh_attempts_t *attempts);
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/**
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* @brief Get attempts for mesh self-organized networking
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*
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* @param[out] attempts
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*
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* @return
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* - ESP_OK
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* - ESP_ERR_MESH_ARGUMENT
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*/
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esp_err_t esp_mesh_get_attempts(mesh_attempts_t *attempts);
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/**
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* @brief Set parameters for parent switch
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*
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* @param[in] paras parameters for parent switch
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*
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* @return
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* - ESP_OK
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* - ESP_ERR_MESH_ARGUMENT
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*/
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esp_err_t esp_mesh_set_switch_parent_paras(mesh_switch_parent_t *paras);
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/**
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* @brief Get parameters for parent switch
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*
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* @param[out] paras parameters for parent switch
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*
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* @return
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* - ESP_OK
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* - ESP_ERR_MESH_ARGUMENT
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*/
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esp_err_t esp_mesh_get_switch_parent_paras(mesh_switch_parent_t *paras);
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/**
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* @brief Set RSSI threshold
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* - The default high RSSI threshold value is -78 dBm.
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* - The default medium RSSI threshold value is -82 dBm.
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* - The default low RSSI threshold value is -85 dBm.
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*
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* @param[in] threshold RSSI threshold
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*
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* @return
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* - ESP_OK
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* - ESP_ERR_MESH_ARGUMENT
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*/
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esp_err_t esp_mesh_set_rssi_threshold(const mesh_rssi_threshold_t *threshold);
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/**
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* @brief Get RSSI threshold
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*
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* @param[out] threshold RSSI threshold
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*
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* @return
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* - ESP_OK
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* - ESP_ERR_MESH_ARGUMENT
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*/
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esp_err_t esp_mesh_get_rssi_threshold(mesh_rssi_threshold_t *threshold);
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/**
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* @brief Enable the minimum rate to 6 Mbps
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*
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* @attention This API shall be called before Wi-Fi is started.
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*
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* @param[in] is_6m enable or not
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*
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* @return
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* - ESP_OK
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*/
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esp_err_t esp_mesh_set_6m_rate(bool is_6m);
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/**
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* @brief Print the number of txQ waiting
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*
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* @return
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* - ESP_OK
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* - ESP_FAIL
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*/
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esp_err_t esp_mesh_print_txQ_waiting(void);
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/**
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* @brief Print the number of rxQ waiting
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*
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* @return
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* - ESP_OK
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* - ESP_FAIL
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*/
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esp_err_t esp_mesh_print_rxQ_waiting(void);
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/**
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* @brief Set passive scan time
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*
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* @param[in] interval_ms passive scan time (msecs)
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*
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* @return
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* - ESP_OK
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* - ESP_FAIL
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* - ESP_ERR_ARGUMENT
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*/
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esp_err_t esp_mesh_set_passive_scan_time(int time_ms);
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/**
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* @brief Get passive scan time
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*
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* @return interval_ms passive scan time (msecs)
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*/
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int esp_mesh_get_passive_scan_time(void);
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/**
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* @brief Set announce interval
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* - The default short interval is 500 milliseconds.
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* - The default long interval is 3000 milliseconds.
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*
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* @param[in] short_ms shall be greater than the default value
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* @param[in] long_ms shall be greater than the default value
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*
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* @return
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* - ESP_OK
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*/
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esp_err_t esp_mesh_set_announce_interval(int short_ms, int long_ms);
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/**
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* @brief Get announce interval
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*
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* @param[out] short_ms short interval
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* @param[out] long_ms long interval
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*
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* @return
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* - ESP_OK
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*/
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esp_err_t esp_mesh_get_announce_interval(int *short_ms, int *long_ms);
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/**
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* @brief Get the running duties of device, parent and children
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*
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* @return
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* - ESP_OK
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*/
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esp_err_t esp_mesh_ps_get_duties(esp_mesh_ps_duties_t* ps_duties);
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/**
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* @brief Enable mesh print scan result
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*
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* @param[in] enable enable or not
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*
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* @return
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* - ESP_OK
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*/
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esp_err_t esp_mesh_print_scan_result(bool enable);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __ESP_MESH_INTERNAL_H__ */
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