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" //待连接的WiFi名称
#if ENABLE_PASSWORD
#define EXAMPLE_ESP_WIFI_PASS "123456" //密码不能为空
#endif
#define EXAMPLE_MAX_STA_CONN 3 //最大接入数
static const char *TAG = "WIFI_softap";
esp_netif_t *ap_netif; //可以认为是一个soft-ap接口用于后续关闭
extern httpd_handle_t server;
SemaphoreHandle_t ap_sem; // softap 关闭信号量
void wifi_softap_event_handler(void *arg, esp_event_base_t event_base,
int32_t event_id, void *event_data)
{
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 " join, 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 " leave, AID=%d",
MAC2STR(event->mac), event->aid);
}
}
void init_wifi_softap(void)
{
/*
转向HTTP服务器的警告，因为重定向流量将产生大量的无效请求
*/
esp_log_level_set("httpd_uri", ESP_LOG_ERROR);
esp_log_level_set("httpd_txrx", ESP_LOG_ERROR);
esp_log_level_set("httpd_parse", ESP_LOG_ERROR);
// 初始化网络栈
ESP_ERROR_CHECK(esp_netif_init());
// 创建主应用程序所需的默认事件循环
ESP_ERROR_CHECK(esp_event_loop_create_default());
//前面初始化了就不需要再次初始化了
// // 初始化Wi-Fi所需的NVS
// ESP_ERROR_CHECK(nvs_flash_init());
// 用默认配置初始化Wi-Fi，包括netif
ap_netif = esp_netif_create_default_wifi_ap();
//初始化wifi功能
wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
ESP_ERROR_CHECK(esp_wifi_init(&cfg));
//注册事件回调函数
ESP_ERROR_CHECK(esp_event_handler_register(WIFI_EVENT, ESP_EVENT_ANY_ID, &wifi_softap_event_handler, NULL));
wifi_config_t wifi_ap_config = {
.ap = {
.ssid = EXAMPLE_ESP_WIFI_SSID,
.ssid_len = strlen(EXAMPLE_ESP_WIFI_SSID),
#ifdef EXAMPLE_ESP_WIFI_PASS
.password = EXAMPLE_ESP_WIFI_PASS,
.authmode = WIFI_AUTH_WPA_WPA2_PSK,
#else
.authmode = WIFI_AUTH_OPEN,
#endif
.max_connection = EXAMPLE_MAX_STA_CONN,
},
};
ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_AP));
ESP_ERROR_CHECK(esp_wifi_set_config(ESP_IF_WIFI_AP, &wifi_ap_config));
ESP_ERROR_CHECK(esp_wifi_start());
//获取wifi相关信息打印
esp_netif_ip_info_t ip_info;
esp_netif_get_ip_info(esp_netif_get_handle_from_ifkey("WIFI_AP_DEF"), &ip_info);
char ip_addr[16];
inet_ntoa_r(ip_info.ip.addr, ip_addr, 16);
ESP_LOGI(TAG, "Set up softAP with IP: %s", ip_addr);
ESP_LOGI(TAG, "wifi_init_softap finished. SSID:'%s' password:'%s'",
wifi_ap_config.ap.ssid, wifi_ap_config.ap.password);
}
void captive_portal_init(void)
{
ap_sem = xSemaphoreCreateBinary(); //创建信号量
init_wifi_softap(); //初始化wifi-ap模式
server = web_server_start(); //开启http服务
dns_server_start(); //开启DNS服务
}
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/*
* @Author: tangwc
* @Date: 2022-11-02 16:40:06
* @LastEditors: tangwc
* @LastEditTime: 2022-11-20 22:15:27
* @Description:
* @FilePath: \esp32_wifi_link\components\wifi_station\wifi_station.c
*
* Copyright (c) 2022 by tangwc, All Rights Reserved.
*/
#include <string.h>
#include <stdlib.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/event_groups.h&
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