2018-05-21 09:22:04 +00:00
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/* Mesh Manual Networking Example
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This example code is in the Public Domain (or CC0 licensed, at your option.)
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Unless required by applicable law or agreed to in writing, this
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software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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CONDITIONS OF ANY KIND, either express or implied.
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*/
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#include <string.h>
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#include "esp_wifi.h"
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#include "esp_system.h"
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2019-04-16 10:13:13 +00:00
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#include "esp_event.h"
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2018-05-21 09:22:04 +00:00
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#include "esp_log.h"
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#include "esp_mesh.h"
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#include "esp_mesh_internal.h"
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#include "mesh_light.h"
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#include "nvs_flash.h"
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/*******************************************************
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* Macros
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*******************************************************/
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//#define MESH_SET_ROOT
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#ifndef MESH_SET_ROOT
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#define MESH_SET_NODE
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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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* Variable Definitions
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*******************************************************/
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static const char *MESH_TAG = "mesh_main";
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static const uint8_t MESH_ID[6] = { 0x77, 0x77, 0x77, 0x77, 0x77, 0x77};
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static mesh_addr_t mesh_parent_addr;
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static int mesh_layer = -1;
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/*******************************************************
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* Function Declarations
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*******************************************************/
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void mesh_scan_done_handler(int num);
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/*******************************************************
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* Function Definitions
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*******************************************************/
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void mesh_scan_done_handler(int num)
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{
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int i;
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int ie_len = 0;
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mesh_assoc_t assoc;
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mesh_assoc_t parent_assoc = { .layer = CONFIG_MESH_MAX_LAYER, .rssi = -120 };
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wifi_ap_record_t record;
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wifi_ap_record_t parent_record = { 0, };
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bool parent_found = false;
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mesh_type_t my_type = MESH_IDLE;
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int my_layer = -1;
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2018-09-23 13:09:59 +00:00
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wifi_config_t parent = { 0, };
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wifi_scan_config_t scan_config = { 0 };
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2018-05-21 09:22:04 +00:00
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for (i = 0; i < num; i++) {
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esp_mesh_scan_get_ap_ie_len(&ie_len);
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esp_mesh_scan_get_ap_record(&record, &assoc);
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if (ie_len == sizeof(assoc)) {
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ESP_LOGW(MESH_TAG,
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2018-09-23 13:09:59 +00:00
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"<MESH>[%d]%s, layer:%d/%d, assoc:%d/%d, %d, "MACSTR", channel:%u, rssi:%d, ID<"MACSTR"><%s>",
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2018-05-21 09:22:04 +00:00
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i, record.ssid, assoc.layer, assoc.layer_cap, assoc.assoc,
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assoc.assoc_cap, assoc.layer2_cap, MAC2STR(record.bssid),
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2018-09-23 13:09:59 +00:00
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record.primary, record.rssi, MAC2STR(assoc.mesh_id), assoc.encrypted ? "IE Encrypted" : "IE Unencrypted");
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2018-12-26 08:10:55 +00:00
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2018-05-21 09:22:04 +00:00
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#ifdef MESH_SET_NODE
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if (assoc.mesh_type != MESH_IDLE && assoc.layer_cap
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&& assoc.assoc < assoc.assoc_cap && record.rssi > -70) {
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if (assoc.layer < parent_assoc.layer || assoc.layer2_cap < parent_assoc.layer2_cap) {
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parent_found = true;
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memcpy(&parent_record, &record, sizeof(record));
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memcpy(&parent_assoc, &assoc, sizeof(assoc));
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if (parent_assoc.layer_cap != 1) {
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my_type = MESH_NODE;
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} else {
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my_type = MESH_LEAF;
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}
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my_layer = parent_assoc.layer + 1;
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2018-12-26 08:10:55 +00:00
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break;
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2018-05-21 09:22:04 +00:00
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}
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}
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#endif
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} else {
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ESP_LOGI(MESH_TAG, "[%d]%s, "MACSTR", channel:%u, rssi:%d", i,
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record.ssid, MAC2STR(record.bssid), record.primary,
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record.rssi);
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#ifdef MESH_SET_ROOT
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if (!strcmp(CONFIG_MESH_ROUTER_SSID, (char *) record.ssid)) {
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parent_found = true;
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memcpy(&parent_record, &record, sizeof(record));
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my_type = MESH_ROOT;
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my_layer = MESH_ROOT_LAYER;
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}
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#endif
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}
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}
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2018-12-26 08:10:55 +00:00
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esp_mesh_flush_scan_result();
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2018-05-21 09:22:04 +00:00
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if (parent_found) {
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/*
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* parent
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2018-09-23 13:09:59 +00:00
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* Both channel and SSID of the parent are mandatory.
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2018-05-21 09:22:04 +00:00
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*/
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parent.sta.channel = parent_record.primary;
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memcpy(&parent.sta.ssid, &parent_record.ssid,
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sizeof(parent_record.ssid));
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parent.sta.bssid_set = 1;
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memcpy(&parent.sta.bssid, parent_record.bssid, 6);
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2018-12-26 08:10:55 +00:00
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ESP_ERROR_CHECK(esp_mesh_set_ap_authmode(parent_record.authmode));
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2018-05-21 09:22:04 +00:00
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if (my_type == MESH_ROOT) {
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2018-12-26 08:10:55 +00:00
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if (parent_record.authmode != WIFI_AUTH_OPEN) {
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memcpy(&parent.sta.password, CONFIG_MESH_ROUTER_PASSWD,
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strlen(CONFIG_MESH_ROUTER_PASSWD));
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}
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2018-05-21 09:22:04 +00:00
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ESP_LOGW(MESH_TAG, "<PARENT>%s, "MACSTR", channel:%u, rssi:%d",
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parent_record.ssid, MAC2STR(parent_record.bssid),
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parent_record.primary, parent_record.rssi);
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} else {
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2018-12-26 08:10:55 +00:00
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if (parent_record.authmode != WIFI_AUTH_OPEN) {
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memcpy(&parent.sta.password, CONFIG_MESH_AP_PASSWD,
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strlen(CONFIG_MESH_AP_PASSWD));
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}
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2018-05-21 09:22:04 +00:00
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ESP_LOGW(MESH_TAG,
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"<PARENT>%s, layer:%d/%d, assoc:%d/%d, %d, "MACSTR", channel:%u, rssi:%d",
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parent_record.ssid, parent_assoc.layer,
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parent_assoc.layer_cap, parent_assoc.assoc,
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parent_assoc.assoc_cap, parent_assoc.layer2_cap,
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MAC2STR(parent_record.bssid), parent_record.primary,
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parent_record.rssi);
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}
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2018-09-23 13:09:59 +00:00
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ESP_ERROR_CHECK(esp_mesh_set_parent(&parent, (mesh_addr_t *)&parent_assoc.mesh_id, my_type, my_layer));
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2018-05-21 09:22:04 +00:00
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} else {
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ESP_LOGW(MESH_TAG,
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2018-09-23 13:09:59 +00:00
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"<Warning>no parent found, modify IE crypto configuration and scan");
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if (CONFIG_MESH_IE_CRYPTO_FUNCS) {
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/* modify IE crypto key */
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ESP_LOGW(MESH_TAG, "<Config>modify IE crypto key to %s", CONFIG_MESH_IE_CRYPTO_KEY);
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2018-12-26 08:10:55 +00:00
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ESP_ERROR_CHECK(esp_mesh_set_ie_crypto_funcs(&g_wifi_default_mesh_crypto_funcs));
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2018-09-23 13:09:59 +00:00
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ESP_ERROR_CHECK(esp_mesh_set_ie_crypto_key(CONFIG_MESH_IE_CRYPTO_KEY, strlen(CONFIG_MESH_IE_CRYPTO_KEY)));
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} else {
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/* disable IE crypto */
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ESP_LOGW(MESH_TAG, "<Config>disable IE crypto");
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ESP_ERROR_CHECK(esp_mesh_set_ie_crypto_funcs(NULL));
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}
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2018-12-26 08:10:55 +00:00
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esp_wifi_scan_stop();
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2018-09-23 13:09:59 +00:00
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scan_config.show_hidden = 1;
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scan_config.scan_type = WIFI_SCAN_TYPE_PASSIVE;
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ESP_ERROR_CHECK(esp_wifi_scan_start(&scan_config, 0));
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2018-05-21 09:22:04 +00:00
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}
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}
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2019-04-16 10:13:13 +00:00
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void mesh_event_handler(void *arg, esp_event_base_t event_base,
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int32_t event_id, void *event_data)
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2018-05-21 09:22:04 +00:00
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{
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2018-09-23 13:09:59 +00:00
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mesh_addr_t id = {0,};
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2018-05-21 09:22:04 +00:00
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static uint8_t last_layer = 0;
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2019-04-16 10:13:13 +00:00
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wifi_scan_config_t scan_config = { 0 };
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2018-05-21 09:22:04 +00:00
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2019-04-16 10:13:13 +00:00
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switch (event_id) {
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case MESH_EVENT_STARTED: {
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2018-09-23 13:09:59 +00:00
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esp_mesh_get_id(&id);
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2018-05-21 09:22:04 +00:00
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ESP_LOGI(MESH_TAG, "<MESH_EVENT_STARTED>ID:"MACSTR"", MAC2STR(id.addr));
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mesh_layer = esp_mesh_get_layer();
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ESP_ERROR_CHECK(esp_mesh_set_self_organized(0, 0));
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2018-12-26 08:10:55 +00:00
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esp_wifi_scan_stop();
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2018-05-21 09:22:04 +00:00
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/* mesh softAP is hidden */
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scan_config.show_hidden = 1;
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2018-09-23 13:09:59 +00:00
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scan_config.scan_type = WIFI_SCAN_TYPE_PASSIVE;
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2018-05-21 09:22:04 +00:00
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ESP_ERROR_CHECK(esp_wifi_scan_start(&scan_config, 0));
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2019-04-16 10:13:13 +00:00
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}
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break;
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case MESH_EVENT_STOPPED: {
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2018-05-21 09:22:04 +00:00
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ESP_LOGI(MESH_TAG, "<MESH_EVENT_STOPPED>");
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mesh_layer = esp_mesh_get_layer();
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2019-04-16 10:13:13 +00:00
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}
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break;
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case MESH_EVENT_CHILD_CONNECTED: {
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mesh_event_child_connected_t *child_connected = (mesh_event_child_connected_t *)event_data;
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2018-05-21 09:22:04 +00:00
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ESP_LOGI(MESH_TAG, "<MESH_EVENT_CHILD_CONNECTED>aid:%d, "MACSTR"",
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2019-04-16 10:13:13 +00:00
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child_connected->aid,
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MAC2STR(child_connected->mac));
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}
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break;
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case MESH_EVENT_CHILD_DISCONNECTED: {
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mesh_event_child_disconnected_t *child_disconnected = (mesh_event_child_disconnected_t *)event_data;
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2018-05-21 09:22:04 +00:00
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ESP_LOGI(MESH_TAG, "<MESH_EVENT_CHILD_DISCONNECTED>aid:%d, "MACSTR"",
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2019-04-16 10:13:13 +00:00
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child_disconnected->aid,
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MAC2STR(child_disconnected->mac));
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}
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case MESH_EVENT_ROUTING_TABLE_ADD: {
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mesh_event_routing_table_change_t *routing_table = (mesh_event_routing_table_change_t *)event_data;
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2018-05-21 09:22:04 +00:00
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ESP_LOGW(MESH_TAG, "<MESH_EVENT_ROUTING_TABLE_ADD>add %d, new:%d",
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2019-04-16 10:13:13 +00:00
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routing_table->rt_size_change,
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routing_table->rt_size_new);
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}
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break;
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case MESH_EVENT_ROUTING_TABLE_REMOVE: {
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mesh_event_routing_table_change_t *routing_table = (mesh_event_routing_table_change_t *)event_data;
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2018-05-21 09:22:04 +00:00
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ESP_LOGW(MESH_TAG, "<MESH_EVENT_ROUTING_TABLE_REMOVE>remove %d, new:%d",
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2019-04-16 10:13:13 +00:00
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routing_table->rt_size_change,
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routing_table->rt_size_new);
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}
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break;
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case MESH_EVENT_NO_PARENT_FOUND: {
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mesh_event_no_parent_found_t *no_parent = (mesh_event_no_parent_found_t *)event_data;
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2018-08-27 07:08:54 +00:00
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ESP_LOGI(MESH_TAG, "<MESH_EVENT_NO_PARENT_FOUND>scan times:%d",
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2019-04-16 10:13:13 +00:00
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no_parent->scan_times);
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}
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/* TODO handler for the failure */
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break;
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case MESH_EVENT_PARENT_CONNECTED: {
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mesh_event_connected_t *connected = (mesh_event_connected_t *)event_data;
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2018-09-23 13:09:59 +00:00
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esp_mesh_get_id(&id);
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2019-04-16 10:13:13 +00:00
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mesh_layer = connected->self_layer;
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memcpy(&mesh_parent_addr.addr, connected->connected.bssid, 6);
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2018-05-21 09:22:04 +00:00
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ESP_LOGI(MESH_TAG,
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"<MESH_EVENT_PARENT_CONNECTED>layer:%d-->%d, parent:"MACSTR"%s, ID:"MACSTR"",
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last_layer, mesh_layer, MAC2STR(mesh_parent_addr.addr),
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esp_mesh_is_root() ? "<ROOT>" :
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(mesh_layer == 2) ? "<layer2>" : "", MAC2STR(id.addr));
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last_layer = mesh_layer;
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mesh_connected_indicator(mesh_layer);
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if (esp_mesh_is_root()) {
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tcpip_adapter_dhcpc_start(TCPIP_ADAPTER_IF_STA);
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}
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2019-04-16 10:13:13 +00:00
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}
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break;
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case MESH_EVENT_PARENT_DISCONNECTED: {
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mesh_event_disconnected_t *disconnected = (mesh_event_disconnected_t *)event_data;
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2018-05-21 09:22:04 +00:00
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ESP_LOGI(MESH_TAG,
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"<MESH_EVENT_PARENT_DISCONNECTED>reason:%d",
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2019-04-16 10:13:13 +00:00
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disconnected->reason);
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2018-05-21 09:22:04 +00:00
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mesh_disconnected_indicator();
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mesh_layer = esp_mesh_get_layer();
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2019-04-16 10:13:13 +00:00
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if (disconnected->reason == WIFI_REASON_ASSOC_TOOMANY) {
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2018-12-26 08:10:55 +00:00
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esp_wifi_scan_stop();
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2018-09-23 13:09:59 +00:00
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scan_config.show_hidden = 1;
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scan_config.scan_type = WIFI_SCAN_TYPE_PASSIVE;
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ESP_ERROR_CHECK(esp_wifi_scan_start(&scan_config, 0));
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}
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2019-04-16 10:13:13 +00:00
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}
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break;
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case MESH_EVENT_LAYER_CHANGE: {
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mesh_event_layer_change_t *layer_change = (mesh_event_layer_change_t *)event_data;
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mesh_layer = layer_change->new_layer;
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2018-05-21 09:22:04 +00:00
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ESP_LOGI(MESH_TAG, "<MESH_EVENT_LAYER_CHANGE>layer:%d-->%d%s",
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last_layer, mesh_layer,
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esp_mesh_is_root() ? "<ROOT>" :
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(mesh_layer == 2) ? "<layer2>" : "");
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last_layer = mesh_layer;
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mesh_connected_indicator(mesh_layer);
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2019-04-16 10:13:13 +00:00
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}
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break;
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case MESH_EVENT_ROOT_ADDRESS: {
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mesh_event_root_address_t *root_addr = (mesh_event_root_address_t *)event_data;
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2018-05-21 09:22:04 +00:00
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ESP_LOGI(MESH_TAG, "<MESH_EVENT_ROOT_ADDRESS>root address:"MACSTR"",
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2019-04-16 10:13:13 +00:00
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MAC2STR(root_addr->addr));
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}
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break;
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case MESH_EVENT_TODS_STATE: {
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mesh_event_toDS_state_t *toDs_state = (mesh_event_toDS_state_t *)event_data;
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ESP_LOGI(MESH_TAG, "<MESH_EVENT_TODS_REACHABLE>state:%d", *toDs_state);
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}
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break;
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case MESH_EVENT_ROOT_FIXED: {
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mesh_event_root_fixed_t *root_fixed = (mesh_event_root_fixed_t *)event_data;
|
2018-05-21 09:22:04 +00:00
|
|
|
ESP_LOGI(MESH_TAG, "<MESH_EVENT_ROOT_FIXED>%s",
|
2019-04-16 10:13:13 +00:00
|
|
|
root_fixed->is_fixed ? "fixed" : "not fixed");
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case MESH_EVENT_SCAN_DONE: {
|
|
|
|
mesh_event_scan_done_t *scan_done = (mesh_event_scan_done_t *)event_data;
|
2018-05-21 09:22:04 +00:00
|
|
|
ESP_LOGI(MESH_TAG, "<MESH_EVENT_SCAN_DONE>number:%d",
|
2019-04-16 10:13:13 +00:00
|
|
|
scan_done->number);
|
|
|
|
mesh_scan_done_handler(scan_done->number);
|
|
|
|
}
|
|
|
|
break;
|
2018-05-21 09:22:04 +00:00
|
|
|
default:
|
2019-04-16 10:13:13 +00:00
|
|
|
ESP_LOGI(MESH_TAG, "unknown id:%d", event_id);
|
2018-05-21 09:22:04 +00:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2019-04-16 10:13:13 +00:00
|
|
|
void ip_event_handler(void *arg, esp_event_base_t event_base,
|
|
|
|
int32_t event_id, void *event_data)
|
|
|
|
{
|
|
|
|
ip_event_got_ip_t *event = (ip_event_got_ip_t *) event_data;
|
|
|
|
ESP_LOGI(MESH_TAG, "<IP_EVENT_STA_GOT_IP>IP:%s", ip4addr_ntoa(&event->ip_info.ip));
|
|
|
|
}
|
|
|
|
|
2018-05-21 09:22:04 +00:00
|
|
|
void app_main(void)
|
|
|
|
{
|
|
|
|
ESP_ERROR_CHECK(mesh_light_init());
|
|
|
|
ESP_ERROR_CHECK(nvs_flash_init());
|
|
|
|
/* tcpip initialization */
|
|
|
|
tcpip_adapter_init();
|
|
|
|
/* for mesh
|
|
|
|
* stop DHCP server on softAP interface by default
|
|
|
|
* stop DHCP client on station interface by default
|
|
|
|
* */
|
|
|
|
ESP_ERROR_CHECK(tcpip_adapter_dhcps_stop(TCPIP_ADAPTER_IF_AP));
|
|
|
|
ESP_ERROR_CHECK(tcpip_adapter_dhcpc_stop(TCPIP_ADAPTER_IF_STA));
|
2019-04-16 10:13:13 +00:00
|
|
|
/* event initialization */
|
|
|
|
ESP_ERROR_CHECK(esp_event_loop_create_default());
|
2018-05-21 09:22:04 +00:00
|
|
|
/* wifi initialization */
|
|
|
|
wifi_init_config_t config = WIFI_INIT_CONFIG_DEFAULT();
|
|
|
|
ESP_ERROR_CHECK(esp_wifi_init(&config));
|
2019-04-16 10:13:13 +00:00
|
|
|
ESP_ERROR_CHECK(esp_event_handler_register(IP_EVENT, IP_EVENT_STA_GOT_IP, &ip_event_handler, NULL));
|
2018-05-21 09:22:04 +00:00
|
|
|
ESP_ERROR_CHECK(esp_wifi_set_storage(WIFI_STORAGE_FLASH));
|
|
|
|
ESP_ERROR_CHECK(esp_wifi_start());
|
|
|
|
/* mesh initialization */
|
|
|
|
ESP_ERROR_CHECK(esp_mesh_init());
|
2019-04-16 10:13:13 +00:00
|
|
|
ESP_ERROR_CHECK(esp_event_handler_register(MESH_EVENT, ESP_EVENT_ANY_ID, &mesh_event_handler, NULL));
|
2018-09-23 13:09:59 +00:00
|
|
|
/* mesh enable IE crypto */
|
2018-05-21 09:22:04 +00:00
|
|
|
mesh_cfg_t cfg = MESH_INIT_CONFIG_DEFAULT();
|
|
|
|
/* mesh ID */
|
|
|
|
memcpy((uint8_t *) &cfg.mesh_id, MESH_ID, 6);
|
|
|
|
/* router */
|
|
|
|
cfg.channel = CONFIG_MESH_CHANNEL;
|
|
|
|
cfg.router.ssid_len = strlen(CONFIG_MESH_ROUTER_SSID);
|
|
|
|
memcpy((uint8_t *) &cfg.router.ssid, CONFIG_MESH_ROUTER_SSID, cfg.router.ssid_len);
|
|
|
|
memcpy((uint8_t *) &cfg.router.password, CONFIG_MESH_ROUTER_PASSWD,
|
|
|
|
strlen(CONFIG_MESH_ROUTER_PASSWD));
|
|
|
|
/* mesh softAP */
|
2018-09-23 13:09:59 +00:00
|
|
|
ESP_ERROR_CHECK(esp_mesh_set_ap_authmode(CONFIG_MESH_AP_AUTHMODE));
|
2018-05-21 09:22:04 +00:00
|
|
|
cfg.mesh_ap.max_connection = CONFIG_MESH_AP_CONNECTIONS;
|
|
|
|
memcpy((uint8_t *) &cfg.mesh_ap.password, CONFIG_MESH_AP_PASSWD,
|
|
|
|
strlen(CONFIG_MESH_AP_PASSWD));
|
|
|
|
ESP_ERROR_CHECK(esp_mesh_set_config(&cfg));
|
|
|
|
/* mesh start */
|
|
|
|
ESP_ERROR_CHECK(esp_mesh_start());
|
2018-09-23 13:09:59 +00:00
|
|
|
ESP_LOGI(MESH_TAG, "mesh starts successfully, heap:%d\n", esp_get_free_heap_size());
|
2018-05-21 09:22:04 +00:00
|
|
|
}
|