628 lines
22 KiB
C++
628 lines
22 KiB
C++
#include "wifi_configuration_ap.h"
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#include <cstdio>
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#include <memory>
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#include <freertos/FreeRTOS.h>
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#include <freertos/event_groups.h>
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#include <esp_err.h>
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#include <esp_event.h>
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#include <esp_wifi.h>
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#include <esp_log.h>
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#include <esp_mac.h>
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#include <esp_netif.h>
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#include <lwip/ip_addr.h>
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#include <nvs.h>
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#include <nvs_flash.h>
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#include <cJSON.h>
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#include <esp_smartconfig.h>
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#include "ssid_manager.h"
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#define TAG "WifiConfigurationAp"
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#define WIFI_CONNECTED_BIT BIT0
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#define WIFI_FAIL_BIT BIT1
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extern const char index_html_start[] asm("_binary_wifi_configuration_html_start");
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extern const char done_html_start[] asm("_binary_wifi_configuration_done_html_start");
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WifiConfigurationAp& WifiConfigurationAp::GetInstance() {
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static WifiConfigurationAp instance;
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return instance;
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}
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WifiConfigurationAp::WifiConfigurationAp()
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{
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event_group_ = xEventGroupCreate();
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language_ = "zh-CN";
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}
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WifiConfigurationAp::~WifiConfigurationAp()
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{
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if (scan_timer_) {
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esp_timer_stop(scan_timer_);
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esp_timer_delete(scan_timer_);
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}
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if (event_group_) {
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vEventGroupDelete(event_group_);
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}
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// Unregister event handlers if they were registered
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if (instance_any_id_) {
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esp_event_handler_instance_unregister(WIFI_EVENT, ESP_EVENT_ANY_ID, instance_any_id_);
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}
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if (instance_got_ip_) {
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esp_event_handler_instance_unregister(IP_EVENT, IP_EVENT_STA_GOT_IP, instance_got_ip_);
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}
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}
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void WifiConfigurationAp::SetLanguage(const std::string &&language)
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{
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language_ = language;
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}
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void WifiConfigurationAp::SetSsidPrefix(const std::string &&ssid_prefix)
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{
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ssid_prefix_ = ssid_prefix;
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}
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void WifiConfigurationAp::Start()
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{
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// Register event handlers
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ESP_ERROR_CHECK(esp_event_handler_instance_register(WIFI_EVENT,
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ESP_EVENT_ANY_ID,
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&WifiConfigurationAp::WifiEventHandler,
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this,
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&instance_any_id_));
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ESP_ERROR_CHECK(esp_event_handler_instance_register(IP_EVENT,
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IP_EVENT_STA_GOT_IP,
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&WifiConfigurationAp::IpEventHandler,
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this,
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&instance_got_ip_));
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StartAccessPoint();
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StartWebServer();
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// Start scan immediately
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esp_wifi_scan_start(nullptr, false);
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// Setup periodic WiFi scan timer
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esp_timer_create_args_t timer_args = {
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.callback = [](void* arg) {
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auto* self = static_cast<WifiConfigurationAp*>(arg);
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if (!self->is_connecting_) {
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esp_wifi_scan_start(nullptr, false);
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}
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},
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.arg = this,
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.dispatch_method = ESP_TIMER_TASK,
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.name = "wifi_scan_timer",
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.skip_unhandled_events = true
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};
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ESP_ERROR_CHECK(esp_timer_create(&timer_args, &scan_timer_));
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// Start scanning every 10 seconds
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ESP_ERROR_CHECK(esp_timer_start_periodic(scan_timer_, 10000000));
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}
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std::string WifiConfigurationAp::GetSsid()
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{
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// Get MAC and use it to generate a unique SSID
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uint8_t mac[6];
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ESP_ERROR_CHECK(esp_read_mac(mac, ESP_MAC_WIFI_SOFTAP));
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char ssid[32];
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snprintf(ssid, sizeof(ssid), "%s-%02X%02X", ssid_prefix_.c_str(), mac[4], mac[5]);
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return std::string(ssid);
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}
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std::string WifiConfigurationAp::GetWebServerUrl()
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{
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// http://192.168.4.1
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return "http://192.168.4.1";
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}
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void WifiConfigurationAp::StartAccessPoint()
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{
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// Get the SSID
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std::string ssid = GetSsid();
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// Initialize the TCP/IP stack
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ESP_ERROR_CHECK(esp_netif_init());
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// Create the default event loop
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ap_netif_ = esp_netif_create_default_wifi_ap();
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// Set the router IP address to 192.168.4.1
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esp_netif_ip_info_t ip_info;
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IP4_ADDR(&ip_info.ip, 192, 168, 4, 1);
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IP4_ADDR(&ip_info.gw, 192, 168, 4, 1);
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IP4_ADDR(&ip_info.netmask, 255, 255, 255, 0);
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esp_netif_dhcps_stop(ap_netif_);
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esp_netif_set_ip_info(ap_netif_, &ip_info);
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esp_netif_dhcps_start(ap_netif_);
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// Start the DNS server
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dns_server_.Start(ip_info.gw);
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// Initialize the WiFi stack in Access Point mode
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wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
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ESP_ERROR_CHECK(esp_wifi_init(&cfg));
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// Set the WiFi configuration
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wifi_config_t wifi_config = {};
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strcpy((char *)wifi_config.ap.ssid, ssid.c_str());
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wifi_config.ap.ssid_len = ssid.length();
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wifi_config.ap.max_connection = 4;
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wifi_config.ap.authmode = WIFI_AUTH_OPEN;
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// Start the WiFi Access Point
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ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_APSTA));
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ESP_ERROR_CHECK(esp_wifi_set_config(WIFI_IF_AP, &wifi_config));
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ESP_ERROR_CHECK(esp_wifi_set_ps(WIFI_PS_NONE));
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ESP_ERROR_CHECK(esp_wifi_start());
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#ifdef CONFIG_SOC_WIFI_SUPPORT_5G
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// Temporarily use only 2.4G Wi-Fi.
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ESP_ERROR_CHECK(esp_wifi_set_band_mode(WIFI_BAND_MODE_2G_ONLY));
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#endif
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ESP_LOGI(TAG, "Access Point started with SSID %s", ssid.c_str());
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}
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void WifiConfigurationAp::StartWebServer()
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{
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// Start the web server
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httpd_config_t config = HTTPD_DEFAULT_CONFIG();
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config.max_uri_handlers = 20;
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config.uri_match_fn = httpd_uri_match_wildcard;
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ESP_ERROR_CHECK(httpd_start(&server_, &config));
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// Register the index.html file
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httpd_uri_t index_html = {
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.uri = "/",
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.method = HTTP_GET,
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.handler = [](httpd_req_t *req) -> esp_err_t {
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httpd_resp_send(req, index_html_start, strlen(index_html_start));
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return ESP_OK;
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},
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.user_ctx = NULL
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};
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ESP_ERROR_CHECK(httpd_register_uri_handler(server_, &index_html));
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// Register the /saved/list URI
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httpd_uri_t saved_list = {
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.uri = "/saved/list",
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.method = HTTP_GET,
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.handler = [](httpd_req_t *req) -> esp_err_t {
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auto ssid_list = SsidManager::GetInstance().GetSsidList();
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std::string json_str = "[";
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for (const auto& ssid : ssid_list) {
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json_str += "\"" + ssid.ssid + "\",";
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}
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if (json_str.length() > 1) {
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json_str.pop_back(); // Remove the last comma
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}
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json_str += "]";
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httpd_resp_set_type(req, "application/json");
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httpd_resp_send(req, json_str.c_str(), HTTPD_RESP_USE_STRLEN);
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return ESP_OK;
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},
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.user_ctx = NULL
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};
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ESP_ERROR_CHECK(httpd_register_uri_handler(server_, &saved_list));
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// Register the /saved/set_default URI
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httpd_uri_t saved_set_default = {
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.uri = "/saved/set_default",
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.method = HTTP_GET,
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.handler = [](httpd_req_t *req) -> esp_err_t {
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std::string uri = req->uri;
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auto pos = uri.find("?index=");
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if (pos != std::string::npos) {
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int index = std::stoi(uri.substr(pos + 7));
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ESP_LOGI(TAG, "Set default item %d", index);
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SsidManager::GetInstance().SetDefaultSsid(index);
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}
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// send {}
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httpd_resp_set_type(req, "application/json");
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httpd_resp_send(req, "{}", HTTPD_RESP_USE_STRLEN);
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return ESP_OK;
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},
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.user_ctx = NULL
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};
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ESP_ERROR_CHECK(httpd_register_uri_handler(server_, &saved_set_default));
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// Register the /saved/delete URI
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httpd_uri_t saved_delete = {
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.uri = "/saved/delete",
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.method = HTTP_GET,
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.handler = [](httpd_req_t *req) -> esp_err_t {
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std::string uri = req->uri;
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auto pos = uri.find("?index=");
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if (pos != std::string::npos) {
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int index = std::stoi(uri.substr(pos + 7));
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ESP_LOGI(TAG, "Delete saved list item %d", index);
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SsidManager::GetInstance().RemoveSsid(index);
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}
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// send {}
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httpd_resp_set_type(req, "application/json");
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httpd_resp_send(req, "{}", HTTPD_RESP_USE_STRLEN);
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return ESP_OK;
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},
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.user_ctx = NULL
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};
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ESP_ERROR_CHECK(httpd_register_uri_handler(server_, &saved_delete));
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// Register the /scan URI
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httpd_uri_t scan = {
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.uri = "/scan",
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.method = HTTP_GET,
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.handler = [](httpd_req_t *req) -> esp_err_t {
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uint16_t ap_num = 0;
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esp_wifi_scan_get_ap_num(&ap_num);
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if (ap_num == 0) {
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ESP_LOGI(TAG, "No APs found, scanning...");
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esp_wifi_scan_start(nullptr, true);
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esp_wifi_scan_get_ap_num(&ap_num);
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}
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auto ap_records = std::make_unique<wifi_ap_record_t[]>(ap_num);
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if (!ap_records) {
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return ESP_FAIL;
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}
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esp_wifi_scan_get_ap_records(&ap_num, ap_records.get());
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// Send the scan results as JSON
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httpd_resp_set_type(req, "application/json");
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httpd_resp_sendstr_chunk(req, "[");
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for (int i = 0; i < ap_num; i++) {
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ESP_LOGI(TAG, "SSID: %s, RSSI: %d, Authmode: %d",
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(char *)ap_records[i].ssid, ap_records[i].rssi, ap_records[i].authmode);
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char buf[128];
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snprintf(buf, sizeof(buf), "{\"ssid\":\"%s\",\"rssi\":%d,\"authmode\":%d}",
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(char *)ap_records[i].ssid, ap_records[i].rssi, ap_records[i].authmode);
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httpd_resp_sendstr_chunk(req, buf);
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if (i < ap_num - 1) {
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httpd_resp_sendstr_chunk(req, ",");
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}
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}
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httpd_resp_sendstr_chunk(req, "]");
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httpd_resp_sendstr_chunk(req, NULL);
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return ESP_OK;
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},
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.user_ctx = NULL
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};
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ESP_ERROR_CHECK(httpd_register_uri_handler(server_, &scan));
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// Register the form submission
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httpd_uri_t form_submit = {
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.uri = "/submit",
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.method = HTTP_POST,
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.handler = [](httpd_req_t *req) -> esp_err_t {
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char *buf;
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size_t buf_len = req->content_len;
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if (buf_len > 1024) { // 限制最大请求体大小
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httpd_resp_send_err(req, HTTPD_400_BAD_REQUEST, "Payload too large");
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return ESP_FAIL;
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}
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buf = (char *)malloc(buf_len + 1);
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if (!buf) {
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httpd_resp_send_err(req, HTTPD_500_INTERNAL_SERVER_ERROR, "Failed to allocate memory");
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return ESP_FAIL;
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}
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int ret = httpd_req_recv(req, buf, buf_len);
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if (ret <= 0) {
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free(buf);
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if (ret == HTTPD_SOCK_ERR_TIMEOUT) {
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httpd_resp_send_408(req);
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} else {
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httpd_resp_send_err(req, HTTPD_400_BAD_REQUEST, "Failed to receive request");
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}
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return ESP_FAIL;
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}
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buf[ret] = '\0';
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// 解析 JSON 数据
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cJSON *json = cJSON_Parse(buf);
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free(buf);
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if (!json) {
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httpd_resp_send_err(req, HTTPD_400_BAD_REQUEST, "Invalid JSON");
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return ESP_FAIL;
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}
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cJSON *ssid_item = cJSON_GetObjectItemCaseSensitive(json, "ssid");
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cJSON *password_item = cJSON_GetObjectItemCaseSensitive(json, "password");
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if (!cJSON_IsString(ssid_item) || (ssid_item->valuestring == NULL)) {
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cJSON_Delete(json);
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httpd_resp_send(req, "{\"success\":false,\"error\":\"无效的 SSID\"}", HTTPD_RESP_USE_STRLEN);
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return ESP_OK;
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}
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std::string ssid_str = ssid_item->valuestring;
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std::string password_str = "";
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if (cJSON_IsString(password_item) && (password_item->valuestring != NULL)) {
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password_str = password_item->valuestring;
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}
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// 获取当前对象
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auto *this_ = static_cast<WifiConfigurationAp *>(req->user_ctx);
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if (!this_->ConnectToWifi(ssid_str, password_str)) {
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cJSON_Delete(json);
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httpd_resp_send(req, "{\"success\":false,\"error\":\"无法连接到 WiFi\"}", HTTPD_RESP_USE_STRLEN);
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return ESP_OK;
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}
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this_->Save(ssid_str, password_str);
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cJSON_Delete(json);
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// 设置成功响应
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httpd_resp_set_type(req, "application/json");
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httpd_resp_send(req, "{\"success\":true}", HTTPD_RESP_USE_STRLEN);
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return ESP_OK;
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},
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.user_ctx = this
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};
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ESP_ERROR_CHECK(httpd_register_uri_handler(server_, &form_submit));
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// Register the done.html page
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httpd_uri_t done_html = {
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.uri = "/done.html",
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.method = HTTP_GET,
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.handler = [](httpd_req_t *req) -> esp_err_t {
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httpd_resp_send(req, done_html_start, strlen(done_html_start));
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return ESP_OK;
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},
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.user_ctx = NULL
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};
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ESP_ERROR_CHECK(httpd_register_uri_handler(server_, &done_html));
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// Register the reboot endpoint
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httpd_uri_t reboot = {
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.uri = "/reboot",
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.method = HTTP_POST,
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.handler = [](httpd_req_t *req) -> esp_err_t {
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auto* this_ = static_cast<WifiConfigurationAp*>(req->user_ctx);
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// 设置响应头，防止浏览器缓存
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httpd_resp_set_type(req, "application/json");
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httpd_resp_set_hdr(req, "Cache-Control", "no-store");
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// 发送响应
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httpd_resp_send(req, "{\"success\":true}", HTTPD_RESP_USE_STRLEN);
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// 创建一个延迟重启任务
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ESP_LOGI(TAG, "Rebooting...");
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xTaskCreate([](void *ctx) {
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// 等待200ms确保HTTP响应完全发送
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vTaskDelay(pdMS_TO_TICKS(200));
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// 停止Web服务器
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auto* self = static_cast<WifiConfigurationAp*>(ctx);
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if (self->server_) {
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httpd_stop(self->server_);
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}
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// 再等待100ms确保所有连接都已关闭
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vTaskDelay(pdMS_TO_TICKS(100));
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// 执行重启
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esp_restart();
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}, "reboot_task", 4096, this_, 5, NULL);
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return ESP_OK;
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},
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.user_ctx = this
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};
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ESP_ERROR_CHECK(httpd_register_uri_handler(server_, &reboot));
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auto captive_portal_handler = [](httpd_req_t *req) -> esp_err_t {
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auto *this_ = static_cast<WifiConfigurationAp *>(req->user_ctx);
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std::string url = this_->GetWebServerUrl() + "/?lang=" + this_->language_;
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// Set content type to prevent browser warnings
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httpd_resp_set_type(req, "text/html");
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httpd_resp_set_status(req, "302 Found");
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httpd_resp_set_hdr(req, "Location", url.c_str());
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httpd_resp_send(req, NULL, 0);
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return ESP_OK;
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};
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// Register all common captive portal detection endpoints
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const char* captive_portal_urls[] = {
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"/hotspot-detect.html", // Apple
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"/generate_204", // Android
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"/mobile/status.php", // Android
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"/check_network_status.txt", // Windows
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"/ncsi.txt", // Windows
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"/fwlink/", // Microsoft
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"/connectivity-check.html", // Firefox
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"/success.txt", // Various
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"/portal.html", // Various
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"/library/test/success.html" // Apple
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};
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for (const auto& url : captive_portal_urls) {
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httpd_uri_t redirect_uri = {
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.uri = url,
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.method = HTTP_GET,
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.handler = captive_portal_handler,
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.user_ctx = this
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};
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ESP_ERROR_CHECK(httpd_register_uri_handler(server_, &redirect_uri));
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}
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ESP_LOGI(TAG, "Web server started");
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}
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bool WifiConfigurationAp::ConnectToWifi(const std::string &ssid, const std::string &password)
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{
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if (ssid.empty()) {
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ESP_LOGE(TAG, "SSID cannot be empty");
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return false;
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}
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if (ssid.length() > 32) { // WiFi SSID 最大长度
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ESP_LOGE(TAG, "SSID too long");
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return false;
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}
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is_connecting_ = true;
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esp_wifi_scan_stop();
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xEventGroupClearBits(event_group_, WIFI_CONNECTED_BIT | WIFI_FAIL_BIT);
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wifi_config_t wifi_config;
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bzero(&wifi_config, sizeof(wifi_config));
|
||
strcpy((char *)wifi_config.sta.ssid, ssid.c_str());
|
||
strcpy((char *)wifi_config.sta.password, password.c_str());
|
||
wifi_config.sta.scan_method = WIFI_ALL_CHANNEL_SCAN;
|
||
wifi_config.sta.failure_retry_cnt = 1;
|
||
|
||
ESP_ERROR_CHECK(esp_wifi_set_config(WIFI_IF_STA, &wifi_config));
|
||
auto ret = esp_wifi_connect();
|
||
if (ret != ESP_OK) {
|
||
ESP_LOGE(TAG, "Failed to connect to WiFi: %d", ret);
|
||
is_connecting_ = false;
|
||
return false;
|
||
}
|
||
ESP_LOGI(TAG, "Connecting to WiFi %s", ssid.c_str());
|
||
|
||
// Wait for the connection to complete for 5 seconds
|
||
EventBits_t bits = xEventGroupWaitBits(event_group_, WIFI_CONNECTED_BIT | WIFI_FAIL_BIT, pdTRUE, pdFALSE, pdMS_TO_TICKS(10000));
|
||
is_connecting_ = false;
|
||
|
||
if (bits & WIFI_CONNECTED_BIT) {
|
||
ESP_LOGI(TAG, "Connected to WiFi %s", ssid.c_str());
|
||
esp_wifi_disconnect();
|
||
return true;
|
||
} else {
|
||
ESP_LOGE(TAG, "Failed to connect to WiFi %s", ssid.c_str());
|
||
return false;
|
||
}
|
||
}
|
||
|
||
void WifiConfigurationAp::Save(const std::string &ssid, const std::string &password)
|
||
{
|
||
ESP_LOGI(TAG, "Save SSID %s %d", ssid.c_str(), ssid.length());
|
||
SsidManager::GetInstance().AddSsid(ssid, password);
|
||
}
|
||
|
||
void WifiConfigurationAp::WifiEventHandler(void* arg, esp_event_base_t event_base, int32_t event_id, void* event_data)
|
||
{
|
||
WifiConfigurationAp* self = static_cast<WifiConfigurationAp*>(arg);
|
||
if (event_id == WIFI_EVENT_AP_STACONNECTED) {
|
||
wifi_event_ap_staconnected_t* event = (wifi_event_ap_staconnected_t*) event_data;
|
||
ESP_LOGI(TAG, "Station " MACSTR " joined, AID=%d", MAC2STR(event->mac), event->aid);
|
||
} else if (event_id == WIFI_EVENT_AP_STADISCONNECTED) {
|
||
wifi_event_ap_stadisconnected_t* event = (wifi_event_ap_stadisconnected_t*) event_data;
|
||
ESP_LOGI(TAG, "Station " MACSTR " left, AID=%d", MAC2STR(event->mac), event->aid);
|
||
} else if (event_id == WIFI_EVENT_STA_CONNECTED) {
|
||
xEventGroupSetBits(self->event_group_, WIFI_CONNECTED_BIT);
|
||
} else if (event_id == WIFI_EVENT_STA_DISCONNECTED) {
|
||
xEventGroupSetBits(self->event_group_, WIFI_FAIL_BIT);
|
||
}
|
||
}
|
||
|
||
void WifiConfigurationAp::IpEventHandler(void* arg, esp_event_base_t event_base, int32_t event_id, void* event_data)
|
||
{
|
||
WifiConfigurationAp* self = static_cast<WifiConfigurationAp*>(arg);
|
||
if (event_id == IP_EVENT_STA_GOT_IP) {
|
||
ip_event_got_ip_t* event = (ip_event_got_ip_t*) event_data;
|
||
ESP_LOGI(TAG, "Got IP:" IPSTR, IP2STR(&event->ip_info.ip));
|
||
xEventGroupSetBits(self->event_group_, WIFI_CONNECTED_BIT);
|
||
}
|
||
}
|
||
|
||
void WifiConfigurationAp::StartSmartConfig()
|
||
{
|
||
// 注册SmartConfig事件处理器
|
||
ESP_ERROR_CHECK(esp_event_handler_instance_register(SC_EVENT, ESP_EVENT_ANY_ID,
|
||
&WifiConfigurationAp::SmartConfigEventHandler, this, &sc_event_instance_));
|
||
|
||
// 初始化SmartConfig配置
|
||
smartconfig_start_config_t cfg = SMARTCONFIG_START_CONFIG_DEFAULT();
|
||
// cfg.esp_touch_v2_enable_crypt = true;
|
||
// cfg.esp_touch_v2_key = "1234567890123456"; // 设置16字节加密密钥
|
||
|
||
// 启动SmartConfig服务
|
||
ESP_ERROR_CHECK(esp_smartconfig_start(&cfg));
|
||
ESP_LOGI(TAG, "SmartConfig started");
|
||
}
|
||
|
||
void WifiConfigurationAp::SmartConfigEventHandler(void *arg, esp_event_base_t event_base,
|
||
int32_t event_id, void *event_data)
|
||
{
|
||
WifiConfigurationAp *self = static_cast<WifiConfigurationAp *>(arg);
|
||
|
||
if (event_base == SC_EVENT){
|
||
switch (event_id){
|
||
case SC_EVENT_SCAN_DONE:
|
||
ESP_LOGI(TAG, "SmartConfig scan done");
|
||
break;
|
||
case SC_EVENT_FOUND_CHANNEL:
|
||
ESP_LOGI(TAG, "Found SmartConfig channel");
|
||
break;
|
||
case SC_EVENT_GOT_SSID_PSWD:{
|
||
ESP_LOGI(TAG, "Got SmartConfig credentials");
|
||
smartconfig_event_got_ssid_pswd_t *evt = (smartconfig_event_got_ssid_pswd_t *)event_data;
|
||
|
||
char ssid[32], password[64];
|
||
memcpy(ssid, evt->ssid, sizeof(evt->ssid));
|
||
memcpy(password, evt->password, sizeof(evt->password));
|
||
ESP_LOGI(TAG, "SmartConfig SSID: %s, Password: %s", ssid, password);
|
||
// 尝试连接WiFi会失败，故不连接
|
||
self->Save(ssid, password);
|
||
xTaskCreate([](void *ctx){
|
||
ESP_LOGI(TAG, "Restarting in 3 second");
|
||
vTaskDelay(pdMS_TO_TICKS(3000));
|
||
esp_restart();
|
||
}, "restart_task", 4096, NULL, 5, NULL);
|
||
break;
|
||
}
|
||
case SC_EVENT_SEND_ACK_DONE:
|
||
ESP_LOGI(TAG, "SmartConfig ACK sent");
|
||
esp_smartconfig_stop();
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
void WifiConfigurationAp::Stop() {
|
||
// 停止SmartConfig服务
|
||
if (sc_event_instance_) {
|
||
esp_event_handler_instance_unregister(SC_EVENT, ESP_EVENT_ANY_ID, sc_event_instance_);
|
||
sc_event_instance_ = nullptr;
|
||
}
|
||
esp_smartconfig_stop();
|
||
|
||
// 停止定时器
|
||
if (scan_timer_) {
|
||
esp_timer_stop(scan_timer_);
|
||
esp_timer_delete(scan_timer_);
|
||
scan_timer_ = nullptr;
|
||
}
|
||
|
||
// 停止Web服务器
|
||
if (server_) {
|
||
httpd_stop(server_);
|
||
server_ = nullptr;
|
||
}
|
||
|
||
// 停止DNS服务器
|
||
dns_server_.Stop();
|
||
|
||
// 释放网络接口资源
|
||
if (ap_netif_) {
|
||
esp_netif_destroy(ap_netif_);
|
||
ap_netif_ = nullptr;
|
||
}
|
||
|
||
// 停止WiFi并重置模式
|
||
esp_wifi_stop();
|
||
esp_wifi_deinit();
|
||
esp_wifi_set_mode(WIFI_MODE_NULL);
|
||
|
||
// 注销事件处理器
|
||
if (instance_any_id_) {
|
||
esp_event_handler_instance_unregister(WIFI_EVENT, ESP_EVENT_ANY_ID, instance_any_id_);
|
||
instance_any_id_ = nullptr;
|
||
}
|
||
if (instance_got_ip_) {
|
||
esp_event_handler_instance_unregister(IP_EVENT, IP_EVENT_STA_GOT_IP, instance_got_ip_);
|
||
instance_got_ip_ = nullptr;
|
||
}
|
||
|
||
ESP_LOGI(TAG, "Wifi configuration AP stopped");
|
||
}
|