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ESP8266+eclipse+AP+最简单webserver

news 2025/5/4 14:23:50

实现AP模式下，http-server功能
在ESP8266_RTOS_SDK\ESP8266_RTOS_SDK\examples\wifi\getting_started\softAP增加webserver部分代码

1. 代码

//softap_example_main.c

/*  WiFi softAP ExampleThis example code is in the Public Domain (or CC0 licensed, at your option.)Unless required by applicable law or agreed to in writing, thissoftware is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES ORCONDITIONS OF ANY KIND, either express or implied.
*/
#include <string.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "esp_system.h"
#include "esp_wifi.h"
#include "esp_event.h"
#include "esp_log.h"
#include "nvs_flash.h"#include "lwip/err.h"
#include "lwip/sys.h"#include "esp_http_server.h"
#include "web_server.h"/* The examples use WiFi configuration that you can set via project configuration menu.If you'd rather not, just change the below entries to strings withthe config you want - ie #define EXAMPLE_WIFI_SSID "mywifissid"
*/
#define EXAMPLE_ESP_WIFI_SSID      CONFIG_ESP_WIFI_SSID
#define EXAMPLE_ESP_WIFI_PASS      ""//CONFIG_ESP_WIFI_PASSWORD
#define EXAMPLE_MAX_STA_CONN       CONFIG_ESP_MAX_STA_CONNstatic const char *TAG = "wifi softAP";
static httpd_handle_t server = NULL;static void wifi_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 wifi_init_softap()
{tcpip_adapter_init();ESP_ERROR_CHECK(esp_event_loop_create_default());wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();ESP_ERROR_CHECK(esp_wifi_init(&cfg));ESP_ERROR_CHECK(esp_event_handler_register(WIFI_EVENT, ESP_EVENT_ANY_ID, &wifi_event_handler, NULL));wifi_config_t wifi_config = {.ap = {.ssid = EXAMPLE_ESP_WIFI_SSID,.ssid_len = strlen(EXAMPLE_ESP_WIFI_SSID),.password = EXAMPLE_ESP_WIFI_PASS,.max_connection = EXAMPLE_MAX_STA_CONN,.authmode = WIFI_AUTH_WPA_WPA2_PSK},};if (strlen(EXAMPLE_ESP_WIFI_PASS) == 0) {wifi_config.ap.authmode = WIFI_AUTH_OPEN;}ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_AP));ESP_ERROR_CHECK(esp_wifi_set_config(ESP_IF_WIFI_AP, &wifi_config));ESP_ERROR_CHECK(esp_wifi_start());ESP_LOGI(TAG, "wifi_init_softap finished. SSID:%s password:%s",EXAMPLE_ESP_WIFI_SSID, EXAMPLE_ESP_WIFI_PASS);
}void app_main()
{ESP_ERROR_CHECK(nvs_flash_init());ESP_LOGI(TAG, "ESP_WIFI_MODE_AP");wifi_init_softap();server = start_webserver();
}

//web_server.c

#include "esp_http_server.h"
#include "esp_log.h"
#include "web_server.h"static const char *TAG_http = "wifi web_server";// HTTP服务器配置
esp_err_t http_get_handler(httpd_req_t *req)
{const char* resp_str = "<html><body><h1>Hello ESP8266!</h1></body></html>";ESP_LOGI(TAG_http, "Send Index HTML");httpd_resp_send(req, resp_str, strlen(resp_str));return ESP_OK;
}httpd_handle_t start_webserver(void)
{httpd_handle_t server = NULL;httpd_config_t config = HTTPD_DEFAULT_CONFIG();// 设置HTTP请求处理路由httpd_uri_t uri = {.uri       = "/",.method    = HTTP_GET,.handler   = http_get_handler,.user_ctx  = NULL};// 启动HTTP服务器ESP_LOGI(TAG_http, "Starting server on port: '%d'", config.server_port);if (httpd_start(&server, &config) == ESP_OK) {ESP_LOGI(TAG_http, "Server started");ESP_LOGI(TAG_http, "Adding URI: %s", uri.uri);if (httpd_register_uri_handler(server, &uri) == ESP_OK) {ESP_LOGI(TAG_http, "URI added");}}return server;
}

//web_server.h

#ifndef EXAMPLES_WIFI_GETTING_STARTED_SOFTAP_MAIN_WEB_SERVER_H_
#define EXAMPLES_WIFI_GETTING_STARTED_SOFTAP_MAIN_WEB_SERVER_H_httpd_handle_t start_webserver(void);#endif /* EXAMPLES_WIFI_GETTING_STARTED_SOFTAP_MAIN_WEB_SERVER_H_ */

2. 下载

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