{"id":75821,"date":"2026-02-13T08:17:35","date_gmt":"2026-02-13T00:17:35","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/75821.html"},"modified":"2026-02-13T08:17:35","modified_gmt":"2026-02-13T00:17:35","slug":"esp32-%e4%bd%bf%e7%94%a8esp-idf-%e8%bf%9e%e6%8e%a5wifi%e5%b9%b6%e4%bd%bf%e7%94%a8udp%e9%80%9a%e4%bf%a1%e6%ba%90%e7%a0%81%e5%88%86%e4%ba%ab","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/75821.html","title":{"rendered":"ESP32 \u4f7f\u7528ESP-IDF \u8fde\u63a5WiFi\u5e76\u4f7f\u7528UDP\u901a\u4fe1\u6e90\u7801\u5206\u4eab"},"content":{"rendered":"<\/p>\n<h4>ESP32 \u4f7f\u7528ESP-IDF \u8fde\u63a5WiFi\u5e76\u4f7f\u7528UDP\u901a\u4fe1\u6e90\u7801\u5206\u4eab<\/h4>\n<ul>\n<li>\u4e00\u3001\u6e90\u7801\u5206\u4eab<\/li>\n<li>\n<ul>\n<li>1\u3001\u6548\u679c\u5c55\u793a<\/li>\n<li>2\u3001\u5f00\u53d1\u73af\u5883\u642d\u5efa<\/li>\n<li>3\u3001\u6e90\u7801\u5206\u4eab<\/li>\n<\/ul>\n<\/li>\n<li>\u4e8c\u3001UDP\u534f\u8bae\u4ecb\u7ecd<\/li>\n<li>\n<ul>\n<li>1\u3001\u4e3b\u8981\u7279\u70b9<\/li>\n<li>2\u3001\u9002\u7528\u573a\u666f<\/li>\n<li>3\u3001\u4e0eTCP\u7684\u4e3b\u8981\u533a\u522b<\/li>\n<li>4\u3001\u603b\u7ed3<\/li>\n<\/ul>\n<\/li>\n<li>\u4e09\u3001ESP-IDF\u8be6\u89e3<\/li>\n<li>\n<ul>\n<li>1\u3001ESP32 \u6982\u8ff0<\/li>\n<li>2\u3001 ESP-IDF \u8be6\u89e3<\/li>\n<li>\n<ul>\n<li>2.1 \u3001ESP-IDF \u7684\u6838\u5fc3\u7ec4\u4ef6\u4e0e\u67b6\u6784<\/li>\n<li>2.2 \u3001ESP-IDF \u5f00\u53d1\u73af\u5883\u4e0e\u5de5\u5177\u94fe<\/li>\n<li>2.3 \u3001ESP-IDF \u5f00\u53d1\u6d41\u7a0b\u7b80\u8ff0<\/li>\n<li>2.4\u3001 \u793a\u4f8b\u4ee3\u7801\u7ed3\u6784 (\u6700\u7b80\u5355\u7684 Hello World)<\/li>\n<li>2.5\u3001 \u4f18\u52bf\u4e0e\u7279\u70b9<\/li>\n<li>2.6 \u3001\u9002\u7528\u573a\u666f<\/li>\n<\/ul>\n<\/li>\n<li>3\u3001\u603b\u7ed3<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260213001731-698e6d9bac494.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h2>\u4e00\u3001\u6e90\u7801\u5206\u4eab<\/h2>\n<h3>1\u3001\u6548\u679c\u5c55\u793a<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260213001733-698e6d9d73f0e.gif\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h3>2\u3001\u5f00\u53d1\u73af\u5883\u642d\u5efa<\/h3>\n<p>\u53c2\u8003\u6211\u8fd9\u7bc7\u535a\u6587&#xff1a;VS Code \u5728\u7ebf\u5b89\u88c5ESP-IDF&#xff0c;ESP32\u5f00\u53d1\u73af\u5883\u642d\u5efa\u8be6\u7ec6\u6559\u7a0b<\/p>\n<h3>3\u3001\u6e90\u7801\u5206\u4eab<\/h3>\n<p><span class=\"token comment\">\/* WiFi station Example<\/p>\n<p>   This example code is in the Public Domain (or CC0 licensed, at your option.)<\/p>\n<p>   Unless required by applicable law or agreed to in writing, this<br \/>\n   software is distributed on an &#034;AS IS&#034; BASIS, WITHOUT WARRANTIES OR<br \/>\n   CONDITIONS OF ANY KIND, either express or implied.<br \/>\n*\/<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;stdio.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;string.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;freertos\/FreeRTOS.h&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;freertos\/task.h&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;freertos\/event_groups.h&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;esp_system.h&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;esp_wifi.h&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;esp_event.h&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;esp_log.h&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;nvs_flash.h&#034;<\/span><\/span><\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;lwip\/err.h&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;lwip\/sys.h&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;esp_netif.h&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;netinet\/in.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;arpa\/inet.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;unistd.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;fcntl.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;errno.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;lwip\/err.h&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;lwip\/sys.h&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;lwip\/err.h&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;lwip\/sockets.h&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;lwip\/sys.h&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;lwip\/netdb.h&#034;<\/span><\/span><br \/>\n<span class=\"token comment\">\/* The examples use WiFi configuration that you can set via project configuration menu<\/p>\n<p>   If you&#039;d rather not, just change the below entries to strings with<br \/>\n   the config you want &#8211; ie #define EXAMPLE_WIFI_SSID &#034;mywifissid&#034;<br \/>\n*\/<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">EXAMPLE_ESP_WIFI_SSID<\/span>      <span class=\"token string\">&#034;VIP&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">EXAMPLE_ESP_WIFI_PASS<\/span>      <span class=\"token string\">&#034;nimingzi&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">EXAMPLE_ESP_MAXIMUM_RETRY<\/span>  <span class=\"token expression\"><span class=\"token number\">5<\/span><\/span><\/span><\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">if<\/span> <span class=\"token expression\">CONFIG_ESP_STATION_EXAMPLE_WPA3_SAE_PWE_HUNT_AND_PECK<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">ESP_WIFI_SAE_MODE<\/span> <span class=\"token expression\">WPA3_SAE_PWE_HUNT_AND_PECK<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">EXAMPLE_H2E_IDENTIFIER<\/span> <span class=\"token string\">&#034;&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">elif<\/span> <span class=\"token expression\">CONFIG_ESP_STATION_EXAMPLE_WPA3_SAE_PWE_HASH_TO_ELEMENT<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">ESP_WIFI_SAE_MODE<\/span> <span class=\"token expression\">WPA3_SAE_PWE_HASH_TO_ELEMENT<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">EXAMPLE_H2E_IDENTIFIER<\/span> <span class=\"token expression\">CONFIG_ESP_WIFI_PW_ID<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">elif<\/span> <span class=\"token expression\">CONFIG_ESP_STATION_EXAMPLE_WPA3_SAE_PWE_BOTH<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">ESP_WIFI_SAE_MODE<\/span> <span class=\"token expression\">WPA3_SAE_PWE_BOTH<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">EXAMPLE_H2E_IDENTIFIER<\/span> <span class=\"token expression\">CONFIG_ESP_WIFI_PW_ID<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">endif<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">if<\/span> <span class=\"token expression\">CONFIG_ESP_WIFI_AUTH_OPEN<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">ESP_WIFI_SCAN_AUTH_MODE_THRESHOLD<\/span> <span class=\"token expression\">WIFI_AUTH_OPEN<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">elif<\/span> <span class=\"token expression\">CONFIG_ESP_WIFI_AUTH_WEP<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">ESP_WIFI_SCAN_AUTH_MODE_THRESHOLD<\/span> <span class=\"token expression\">WIFI_AUTH_WEP<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">elif<\/span> <span class=\"token expression\">CONFIG_ESP_WIFI_AUTH_WPA_PSK<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">ESP_WIFI_SCAN_AUTH_MODE_THRESHOLD<\/span> <span class=\"token expression\">WIFI_AUTH_WPA_PSK<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">elif<\/span> <span class=\"token expression\">CONFIG_ESP_WIFI_AUTH_WPA2_PSK<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">ESP_WIFI_SCAN_AUTH_MODE_THRESHOLD<\/span> <span class=\"token expression\">WIFI_AUTH_WPA2_PSK<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">elif<\/span> <span class=\"token expression\">CONFIG_ESP_WIFI_AUTH_WPA_WPA2_PSK<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">ESP_WIFI_SCAN_AUTH_MODE_THRESHOLD<\/span> <span class=\"token expression\">WIFI_AUTH_WPA_WPA2_PSK<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">elif<\/span> <span class=\"token expression\">CONFIG_ESP_WIFI_AUTH_WPA3_PSK<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">ESP_WIFI_SCAN_AUTH_MODE_THRESHOLD<\/span> <span class=\"token expression\">WIFI_AUTH_WPA3_PSK<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">elif<\/span> <span class=\"token expression\">CONFIG_ESP_WIFI_AUTH_WPA2_WPA3_PSK<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">ESP_WIFI_SCAN_AUTH_MODE_THRESHOLD<\/span> <span class=\"token expression\">WIFI_AUTH_WPA2_WPA3_PSK<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">elif<\/span> <span class=\"token expression\">CONFIG_ESP_WIFI_AUTH_WAPI_PSK<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">ESP_WIFI_SCAN_AUTH_MODE_THRESHOLD<\/span> <span class=\"token expression\">WIFI_AUTH_WAPI_PSK<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">endif<\/span><\/span><\/p>\n<p><span class=\"token keyword\">static<\/span> EventGroupHandle_t s_wifi_event_group<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">WIFI_CONNECTED_BIT<\/span> <span class=\"token expression\">BIT0<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">WIFI_FAIL_BIT<\/span>      <span class=\"token expression\">BIT1<\/span><\/span><\/p>\n<p><span class=\"token keyword\">static<\/span> <span class=\"token keyword\">const<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>TAG <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;wifi station&#034;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">static<\/span> <span class=\"token keyword\">int<\/span> s_retry_num <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">event_handler<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token operator\">*<\/span> arg<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">esp_event_base_t<\/span> event_base<span class=\"token punctuation\">,<\/span><br \/>\n                                <span class=\"token class-name\">int32_t<\/span> event_id<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">void<\/span><span class=\"token operator\">*<\/span> event_data<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>event_base <span class=\"token operator\">&#061;&#061;<\/span> WIFI_EVENT <span class=\"token operator\">&amp;&amp;<\/span> event_id <span class=\"token operator\">&#061;&#061;<\/span> WIFI_EVENT_STA_START<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">esp_wifi_connect<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>event_base <span class=\"token operator\">&#061;&#061;<\/span> WIFI_EVENT <span class=\"token operator\">&amp;&amp;<\/span> event_id <span class=\"token operator\">&#061;&#061;<\/span> WIFI_EVENT_STA_DISCONNECTED<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>s_retry_num <span class=\"token operator\">&lt;<\/span> EXAMPLE_ESP_MAXIMUM_RETRY<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">esp_wifi_connect<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            s_retry_num<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">ESP_LOGI<\/span><span class=\"token punctuation\">(<\/span>TAG<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;retry to connect to the AP&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">xEventGroupSetBits<\/span><span class=\"token punctuation\">(<\/span>s_wifi_event_group<span class=\"token punctuation\">,<\/span> WIFI_FAIL_BIT<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token function\">ESP_LOGI<\/span><span class=\"token punctuation\">(<\/span>TAG<span class=\"token punctuation\">,<\/span><span class=\"token string\">&#034;connect to the AP fail&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>event_base <span class=\"token operator\">&#061;&#061;<\/span> IP_EVENT <span class=\"token operator\">&amp;&amp;<\/span> event_id <span class=\"token operator\">&#061;&#061;<\/span> IP_EVENT_STA_GOT_IP<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">ip_event_got_ip_t<\/span><span class=\"token operator\">*<\/span> event <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">ip_event_got_ip_t<\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span> event_data<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">ESP_LOGI<\/span><span class=\"token punctuation\">(<\/span>TAG<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;got ip:&#034;<\/span> IPSTR<span class=\"token punctuation\">,<\/span> <span class=\"token function\">IP2STR<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>event<span class=\"token operator\">-&gt;<\/span>ip_info<span class=\"token punctuation\">.<\/span>ip<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        s_retry_num <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">xEventGroupSetBits<\/span><span class=\"token punctuation\">(<\/span>s_wifi_event_group<span class=\"token punctuation\">,<\/span> WIFI_CONNECTED_BIT<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">wifi_init_sta<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    s_wifi_event_group <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">xEventGroupCreate<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token function\">ESP_ERROR_CHECK<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">esp_netif_init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token function\">ESP_ERROR_CHECK<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">esp_event_loop_create_default<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">esp_netif_create_default_wifi_sta<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token class-name\">wifi_init_config_t<\/span> cfg <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">WIFI_INIT_CONFIG_DEFAULT<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">ESP_ERROR_CHECK<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">esp_wifi_init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>cfg<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token class-name\">esp_event_handler_instance_t<\/span> instance_any_id<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token class-name\">esp_event_handler_instance_t<\/span> instance_got_ip<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">ESP_ERROR_CHECK<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">esp_event_handler_instance_register<\/span><span class=\"token punctuation\">(<\/span>WIFI_EVENT<span class=\"token punctuation\">,<\/span><br \/>\n                                                        ESP_EVENT_ANY_ID<span class=\"token punctuation\">,<\/span><br \/>\n                                                        <span class=\"token operator\">&amp;<\/span>event_handler<span class=\"token punctuation\">,<\/span><br \/>\n                                                        <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                                                        <span class=\"token operator\">&amp;<\/span>instance_any_id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">ESP_ERROR_CHECK<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">esp_event_handler_instance_register<\/span><span class=\"token punctuation\">(<\/span>IP_EVENT<span class=\"token punctuation\">,<\/span><br \/>\n                                                        IP_EVENT_STA_GOT_IP<span class=\"token punctuation\">,<\/span><br \/>\n                                                        <span class=\"token operator\">&amp;<\/span>event_handler<span class=\"token punctuation\">,<\/span><br \/>\n                                                        <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                                                        <span class=\"token operator\">&amp;<\/span>instance_got_ip<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token class-name\">wifi_config_t<\/span> wifi_config <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span>sta <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span>ssid <span class=\"token operator\">&#061;<\/span> EXAMPLE_ESP_WIFI_SSID<span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span>password <span class=\"token operator\">&#061;<\/span> EXAMPLE_ESP_WIFI_PASS<span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span>threshold<span class=\"token punctuation\">.<\/span>authmode <span class=\"token operator\">&#061;<\/span> ESP_WIFI_SCAN_AUTH_MODE_THRESHOLD<span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span>sae_pwe_h2e <span class=\"token operator\">&#061;<\/span> ESP_WIFI_SAE_MODE<span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span>sae_h2e_identifier <span class=\"token operator\">&#061;<\/span> EXAMPLE_H2E_IDENTIFIER<span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">ESP_ERROR_CHECK<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">esp_wifi_set_mode<\/span><span class=\"token punctuation\">(<\/span>WIFI_MODE_STA<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">ESP_ERROR_CHECK<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">esp_wifi_set_config<\/span><span class=\"token punctuation\">(<\/span>WIFI_IF_STA<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>wifi_config<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">ESP_ERROR_CHECK<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">esp_wifi_start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token function\">ESP_LOGI<\/span><span class=\"token punctuation\">(<\/span>TAG<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;wifi_init_sta finished.&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    EventBits_t bits <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">xEventGroupWaitBits<\/span><span class=\"token punctuation\">(<\/span>s_wifi_event_group<span class=\"token punctuation\">,<\/span><br \/>\n            WIFI_CONNECTED_BIT <span class=\"token operator\">|<\/span> WIFI_FAIL_BIT<span class=\"token punctuation\">,<\/span><br \/>\n            pdFALSE<span class=\"token punctuation\">,<\/span><br \/>\n            pdFALSE<span class=\"token punctuation\">,<\/span><br \/>\n            portMAX_DELAY<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>bits <span class=\"token operator\">&amp;<\/span> WIFI_CONNECTED_BIT<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">ESP_LOGI<\/span><span class=\"token punctuation\">(<\/span>TAG<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;connected to ap SSID:%s password:%s&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                 EXAMPLE_ESP_WIFI_SSID<span class=\"token punctuation\">,<\/span> EXAMPLE_ESP_WIFI_PASS<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>bits <span class=\"token operator\">&amp;<\/span> WIFI_FAIL_BIT<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">ESP_LOGI<\/span><span class=\"token punctuation\">(<\/span>TAG<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Failed to connect to SSID:%s, password:%s&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                 EXAMPLE_ESP_WIFI_SSID<span class=\"token punctuation\">,<\/span> EXAMPLE_ESP_WIFI_PASS<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">ESP_LOGE<\/span><span class=\"token punctuation\">(<\/span>TAG<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;UNEXPECTED EVENT&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token comment\">\/* \u9700\u8981\u81ea\u5df1\u8bbe\u7f6e\u8fdc\u7a0bIP\u5730\u5740 *\/<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">IP_ADDR<\/span>   <span class=\"token string\">&#034;192.168.11.218&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">PORT<\/span>               <span class=\"token expression\"><span class=\"token number\">6000<\/span>   <\/span><span class=\"token comment\">\/* \u8fde\u63a5\u7684\u672c\u5730\u7aef\u53e3\u53f7 *\/<\/span><\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">udp_loop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr_in<\/span> destAddr<span class=\"token punctuation\">;<\/span>            <span class=\"token comment\">\/* \u8fdc\u7aef\u5730\u5740 *\/<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr_in<\/span> localInfo<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token class-name\">socklen_t<\/span> fd<span class=\"token punctuation\">;<\/span>                            <span class=\"token comment\">\/* \u5b9a\u4e49\u4e00\u4e2aSocket\u63a5\u53e3 *\/<\/span><br \/>\n    <span class=\"token class-name\">uint8_t<\/span> recvBuf<span class=\"token punctuation\">[<\/span><span class=\"token number\">512<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/* \u8fdc\u7aef\u53c2\u6570\u8bbe\u7f6e *\/<\/span><br \/>\n    destAddr<span class=\"token punctuation\">.<\/span>sin_addr<span class=\"token punctuation\">.<\/span>s_addr <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">inet_addr<\/span><span class=\"token punctuation\">(<\/span>IP_ADDR<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>             <span class=\"token comment\">\/* \u76ee\u6807\u5730\u5740 *\/<\/span><br \/>\n    destAddr<span class=\"token punctuation\">.<\/span>sin_family <span class=\"token operator\">&#061;<\/span> AF_INET<span class=\"token punctuation\">;<\/span><br \/>\n    destAddr<span class=\"token punctuation\">.<\/span>sin_port <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">htons<\/span><span class=\"token punctuation\">(<\/span>PORT<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>                 <span class=\"token comment\">\/* \u76ee\u6807\u7aef\u53e3 *\/<\/span><\/p>\n<p>    localInfo<span class=\"token punctuation\">.<\/span>sin_family <span class=\"token operator\">&#061;<\/span> AF_INET<span class=\"token punctuation\">;<\/span>                          <span class=\"token comment\">\/* IPv4\u5730\u5740 *\/<\/span><br \/>\n    localInfo<span class=\"token punctuation\">.<\/span>sin_port <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">htons<\/span><span class=\"token punctuation\">(<\/span>PORT<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>              <span class=\"token comment\">\/* \u8bbe\u7f6e\u7aef\u53e3\u53f7 *\/<\/span><br \/>\n    localInfo<span class=\"token punctuation\">.<\/span>sin_addr<span class=\"token punctuation\">.<\/span>s_addr <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">htons<\/span><span class=\"token punctuation\">(<\/span>INADDR_ANY<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>           <span class=\"token comment\">\/* \u8bbe\u7f6e\u672c\u5730IP\u5730\u5740 *\/<\/span><\/p>\n<p>    fd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">socket<\/span><span class=\"token punctuation\">(<\/span>AF_INET<span class=\"token punctuation\">,<\/span> SOCK_DGRAM<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>                 <span class=\"token comment\">\/* \u5efa\u7acb\u4e00\u4e2a\u65b0\u7684socket\u8fde\u63a5 *\/<\/span><\/p>\n<p>    <span class=\"token comment\">\/* \u5efa\u7acb\u7ed1\u5b9a *\/<\/span><br \/>\n    <span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span>fd<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>localInfo<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>localInfo<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">memset<\/span><span class=\"token punctuation\">(<\/span>recvBuf<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>recvBuf<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> recvLen <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">recv<\/span><span class=\"token punctuation\">(<\/span>fd<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>recvBuf<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>recvBuf<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;%s\\\\r\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span>recvBuf<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">sendto<\/span><span class=\"token punctuation\">(<\/span>fd<span class=\"token punctuation\">,<\/span>                                      <span class=\"token comment\">\/* scoket *\/<\/span><br \/>\n                  <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>recvBuf<span class=\"token punctuation\">,<\/span>                          <span class=\"token comment\">\/* \u53d1\u9001\u7684\u6570\u636e *\/<\/span><br \/>\n                  recvLen<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span>                       <span class=\"token comment\">\/* \u53d1\u9001\u7684\u6570\u636e\u5927\u5c0f *\/<\/span><br \/>\n                  <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>destAddr<span class=\"token punctuation\">,<\/span>                        <span class=\"token comment\">\/* \u63a5\u6536\u7aef\u5730\u5740\u4fe1\u606f *\/<\/span><br \/>\n                  <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>destAddr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>                                   <span class=\"token comment\">\/* \u63a5\u6536\u7aef\u5730\u5740\u4fe1\u606f\u5927\u5c0f *\/<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">app_main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/Initialize NVS<\/span><br \/>\n    <span class=\"token class-name\">esp_err_t<\/span> ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">nvs_flash_init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&#061;&#061;<\/span> ESP_ERR_NVS_NO_FREE_PAGES <span class=\"token operator\">||<\/span> ret <span class=\"token operator\">&#061;&#061;<\/span> ESP_ERR_NVS_NEW_VERSION_FOUND<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token function\">ESP_ERROR_CHECK<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">nvs_flash_erase<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">nvs_flash_init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token function\">ESP_ERROR_CHECK<\/span><span class=\"token punctuation\">(<\/span>ret<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>CONFIG_LOG_MAXIMUM_LEVEL <span class=\"token operator\">&gt;<\/span> CONFIG_LOG_DEFAULT_LEVEL<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">esp_log_level_set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;wifi&#034;<\/span><span class=\"token punctuation\">,<\/span> CONFIG_LOG_MAXIMUM_LEVEL<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token function\">ESP_LOGI<\/span><span class=\"token punctuation\">(<\/span>TAG<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;ESP_WIFI_MODE_STA&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">wifi_init_sta<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token function\">vTaskDelay<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">3000<\/span> <span class=\"token operator\">\/<\/span> portTICK_PERIOD_MS<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;udp start\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">udp_loop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">vTaskDelay<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1000<\/span> <span class=\"token operator\">\/<\/span> portTICK_PERIOD_MS<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h2>\u4e8c\u3001UDP\u534f\u8bae\u4ecb\u7ecd<\/h2>\n<p>UDP&#xff08;User Datagram Protocol&#xff0c;\u7528\u6237\u6570\u636e\u62a5\u534f\u8bae&#xff09;\u662f\u4e92\u8054\u7f51\u534f\u8bae\u65cf&#xff08;TCP\/IP&#xff09;\u4e2d\u7684\u4e00\u4e2a\u6838\u5fc3\u534f\u8bae&#xff0c;\u4f4d\u4e8e\u4f20\u8f93\u5c42\u3002\u5b83\u63d0\u4f9b\u4e86\u4e00\u79cd\u65e0\u8fde\u63a5\u7684\u3001\u4e0d\u53ef\u9760\u7684\u6570\u636e\u4f20\u8f93\u670d\u52a1\u3002<\/p>\n<h3>1\u3001\u4e3b\u8981\u7279\u70b9<\/h3>\n<li>\n<p>\u65e0\u8fde\u63a5\u6027&#xff1a;UDP\u5728\u53d1\u9001\u6570\u636e\u4e4b\u524d\u4e0d\u9700\u8981\u50cfTCP\u90a3\u6837\u5148\u5efa\u7acb\u8fde\u63a5\u3002\u53d1\u9001\u65b9\u76f4\u63a5\u6784\u9020\u6570\u636e\u62a5\u5e76\u5c06\u5176\u53d1\u9001\u51fa\u53bb&#xff0c;\u63a5\u6536\u65b9\u4e5f\u65e0\u9700\u786e\u8ba4\u3002\u8fd9\u4f7f\u5f97\u901a\u4fe1\u7684\u5f00\u9500\u5f88\u5c0f\u3002<\/p>\n<\/li>\n<li>\n<p>\u4e0d\u53ef\u9760\u6027&#xff1a;UDP\u4e0d\u4fdd\u8bc1\u6570\u636e\u62a5\u4e00\u5b9a\u80fd\u591f\u5230\u8fbe\u76ee\u7684\u5730&#xff0c;\u4e5f\u4e0d\u4fdd\u8bc1\u6570\u636e\u62a5\u5230\u8fbe\u7684\u987a\u5e8f\u4e0e\u53d1\u9001\u7684\u987a\u5e8f\u4e00\u81f4\u3002\u5b83\u4e0d\u63d0\u4f9b\u786e\u8ba4\u3001\u91cd\u4f20\u3001\u6d41\u91cf\u63a7\u5236\u548c\u62e5\u585e\u63a7\u5236\u673a\u5236\u3002\u5982\u679c\u5e94\u7528\u7a0b\u5e8f\u9700\u8981\u53ef\u9760\u6027&#xff0c;\u5fc5\u987b\u5728\u5e94\u7528\u5c42\u81ea\u884c\u5b9e\u73b0\u3002<\/p>\n<\/li>\n<li>\n<p>\u9762\u5411\u62a5\u6587&#xff1a;UDP\u5bf9\u5e94\u7528\u7a0b\u5e8f\u4ea4\u4e0b\u6765\u7684\u62a5\u6587&#xff0c;\u6dfb\u52a0UDP\u5934\u90e8\u540e\u5c31\u4ea4\u4ed8\u7ed9\u7f51\u7edc\u5c42\u3002\u63a5\u6536\u65b9\u7684UDP\u5c42\u5728\u53bb\u9664\u5934\u90e8\u540e&#xff0c;\u5c06\u5b8c\u6574\u7684\u62a5\u6587\u4ea4\u4ed8\u7ed9\u5e94\u7528\u8fdb\u7a0b\u3002UDP\u65e2\u4e0d\u5408\u5e76\u62a5\u6587&#xff0c;\u4e5f\u4e0d\u62c6\u5206\u62a5\u6587&#xff0c;\u800c\u662f\u4fdd\u7559\u62a5\u6587\u7684\u8fb9\u754c\u3002<\/p>\n<\/li>\n<li>\n<p>\u5934\u90e8\u5f00\u9500\u5c0f&#xff1a;UDP\u5934\u90e8\u975e\u5e38\u7b80\u5355&#xff0c;\u53ea\u67098\u4e2a\u5b57\u8282&#xff08;64\u4f4d&#xff09;&#xff0c;\u5305\u542b\u4ee5\u4e0b\u5b57\u6bb5&#xff1a;<\/p>\n<ul>\n<li>\u6e90\u7aef\u53e3&#xff08;Source Port&#xff0c;16\u4f4d&#xff09;<\/li>\n<li>\u76ee\u7684\u7aef\u53e3&#xff08;Destination Port&#xff0c;16\u4f4d&#xff09;<\/li>\n<li>\u957f\u5ea6&#xff08;Length&#xff0c;16\u4f4d&#xff09;&#xff1a;\u8868\u793aUDP\u6570\u636e\u62a5&#xff08;\u5305\u62ec\u5934\u90e8\u548c\u6570\u636e\u90e8\u5206&#xff09;\u7684\u603b\u957f\u5ea6&#xff0c;\u5355\u4f4d\u662f\u5b57\u8282\u3002<\/li>\n<li>\u6821\u9a8c\u548c&#xff08;Checksum&#xff0c;16\u4f4d&#xff09;&#xff1a;\u7528\u4e8e\u68c0\u6d4b\u6570\u636e\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u662f\u5426\u51fa\u9519&#xff08;\u53ef\u9009&#xff0c;IPv4\u4e2d\u53ef\u7f6e\u4e3a0\u8868\u793a\u4e0d\u8ba1\u7b97&#xff0c;IPv6\u4e2d\u5f3a\u5236\u8981\u6c42&#xff09;\u3002<\/li>\n<\/ul>\n<p><span class=\"katex--display\"><span class=\"katex-display\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>           U<\/p>\n<p>           D<\/p>\n<p>           P<\/p>\n<p>           \u5934\u90e8\u7ed3\u6784<\/p>\n<p>           &#061;<\/p>\n<p>                \u6e90\u7aef\u53e3<\/p>\n<p>                \u76ee\u7684\u7aef\u53e3<\/p>\n<p>                \u957f\u5ea6<\/p>\n<p>                \u6821\u9a8c\u548c<\/p>\n<p>                 (<\/p>\n<p>                 16<\/p>\n<p>                 \u4f4d<\/p>\n<p>                 )<\/p>\n<p>                 (<\/p>\n<p>                 16<\/p>\n<p>                 \u4f4d<\/p>\n<p>                 )<\/p>\n<p>                 (<\/p>\n<p>                 16<\/p>\n<p>                 \u4f4d<\/p>\n<p>                 )<\/p>\n<p>                 (<\/p>\n<p>                 16<\/p>\n<p>                 \u4f4d<\/p>\n<p>                 )<\/p>\n<p>           UDP\u5934\u90e8\u7ed3\u6784 &#061; \\\\begin{array}{|c|c|c|c|} \\\\hline \u6e90\u7aef\u53e3 &amp; \u76ee\u7684\u7aef\u53e3 &amp; \u957f\u5ea6 &amp; \u6821\u9a8c\u548c \\\\\\\\ \\\\hline (16\u4f4d) &amp; (16\u4f4d) &amp; (16\u4f4d) &amp; (16\u4f4d) \\\\\\\\ \\\\hline \\\\end{array} <\/p>\n<p>       <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.109em\">U<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0278em\">D<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.1389em\">P<\/span><span class=\"mord cjk_fallback\">\u5934\u90e8\u7ed3\u6784<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">&#061;<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 2.44em;vertical-align: -0.95em\"><\/span><span class=\"mord\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 1.49em\"><span class=\"\" style=\"top: -3.45em\"><span class=\"pstrut\" style=\"height: 3.45em\"><\/span><span class=\"mtable\"><span class=\"vertical-separator\" style=\"height: 2.4em;border-right-width: 0.04em;border-right-style: solid;margin: 0px -0.02em;vertical-align: -0.95em\"><\/span><span class=\"arraycolsep\" style=\"width: 0.5em\"><\/span><span class=\"col-align-c\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 1.45em\"><span class=\"\" style=\"top: -3.61em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord\"><span class=\"mord cjk_fallback\">\u6e90\u7aef\u53e3<\/span><\/span><\/span><span class=\"\" style=\"top: -2.41em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord\"><span class=\"mopen\">(<\/span><span class=\"mord\">16<\/span><span class=\"mord cjk_fallback\">\u4f4d<\/span><span class=\"mclose\">)<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.95em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><span class=\"arraycolsep\" style=\"width: 0.5em\"><\/span><span class=\"vertical-separator\" style=\"height: 2.4em;border-right-width: 0.04em;border-right-style: solid;margin: 0px -0.02em;vertical-align: -0.95em\"><\/span><span class=\"arraycolsep\" style=\"width: 0.5em\"><\/span><span class=\"col-align-c\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 1.45em\"><span class=\"\" style=\"top: -3.61em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord\"><span class=\"mord cjk_fallback\">\u76ee\u7684\u7aef\u53e3<\/span><\/span><\/span><span class=\"\" style=\"top: -2.41em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord\"><span class=\"mopen\">(<\/span><span class=\"mord\">16<\/span><span class=\"mord cjk_fallback\">\u4f4d<\/span><span class=\"mclose\">)<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.95em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><span class=\"arraycolsep\" style=\"width: 0.5em\"><\/span><span class=\"vertical-separator\" style=\"height: 2.4em;border-right-width: 0.04em;border-right-style: solid;margin: 0px -0.02em;vertical-align: -0.95em\"><\/span><span class=\"arraycolsep\" style=\"width: 0.5em\"><\/span><span class=\"col-align-c\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 1.45em\"><span class=\"\" style=\"top: -3.61em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord\"><span class=\"mord cjk_fallback\">\u957f\u5ea6<\/span><\/span><\/span><span class=\"\" style=\"top: -2.41em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord\"><span class=\"mopen\">(<\/span><span class=\"mord\">16<\/span><span class=\"mord cjk_fallback\">\u4f4d<\/span><span class=\"mclose\">)<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.95em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><span class=\"arraycolsep\" style=\"width: 0.5em\"><\/span><span class=\"vertical-separator\" style=\"height: 2.4em;border-right-width: 0.04em;border-right-style: solid;margin: 0px -0.02em;vertical-align: -0.95em\"><\/span><span class=\"arraycolsep\" style=\"width: 0.5em\"><\/span><span class=\"col-align-c\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 1.45em\"><span class=\"\" style=\"top: -3.61em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord\"><span class=\"mord cjk_fallback\">\u6821\u9a8c\u548c<\/span><\/span><\/span><span class=\"\" style=\"top: -2.41em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord\"><span class=\"mopen\">(<\/span><span class=\"mord\">16<\/span><span class=\"mord cjk_fallback\">\u4f4d<\/span><span class=\"mclose\">)<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.95em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><span class=\"arraycolsep\" style=\"width: 0.5em\"><\/span><span class=\"vertical-separator\" style=\"height: 2.4em;border-right-width: 0.04em;border-right-style: solid;margin: 0px -0.02em;vertical-align: -0.95em\"><\/span><\/span><\/span><span class=\"\" style=\"top: -2.5em\"><span class=\"pstrut\" style=\"height: 3.45em\"><\/span><span class=\"hline\" style=\"border-bottom-width: 0.04em\"><\/span><\/span><span class=\"\" style=\"top: -3.7em\"><span class=\"pstrut\" style=\"height: 3.45em\"><\/span><span class=\"hline\" style=\"border-bottom-width: 0.04em\"><\/span><\/span><span class=\"\" style=\"top: -4.9em\"><span class=\"pstrut\" style=\"height: 3.45em\"><\/span><span class=\"hline\" style=\"border-bottom-width: 0.04em\"><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.95em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<\/li>\n<li>\n<p>\u9ad8\u6548\u6027&#xff1a;\u7531\u4e8e\u6ca1\u6709\u5efa\u7acb\u8fde\u63a5\u3001\u786e\u8ba4\u3001\u91cd\u4f20\u7b49\u590d\u6742\u673a\u5236&#xff0c;UDP\u534f\u8bae\u672c\u8eab\u7684\u5f00\u9500\u5f88\u5c0f&#xff0c;\u4f20\u8f93\u6548\u7387\u9ad8\u3002<\/p>\n<\/li>\n<h3>2\u3001\u9002\u7528\u573a\u666f<\/h3>\n<p>\u7531\u4e8eUDP\u7684\u7279\u70b9&#xff0c;\u5b83\u975e\u5e38\u9002\u7528\u4e8e\u4ee5\u4e0b\u7c7b\u578b\u7684\u5e94\u7528&#xff1a;<\/p>\n<ul>\n<li>\u5bf9\u5b9e\u65f6\u6027\u8981\u6c42\u9ad8&#xff0c;\u5bf9\u53ef\u9760\u6027\u8981\u6c42\u76f8\u5bf9\u8f83\u4f4e\u7684\u5e94\u7528&#xff1a;\u5982\u5b9e\u65f6\u97f3\u89c6\u9891\u4f20\u8f93&#xff08;VoIP\u3001\u89c6\u9891\u4f1a\u8bae\u3001\u76f4\u64ad&#xff09;\u3001\u5728\u7ebf\u6e38\u620f\u7b49\u3002\u5c11\u91cf\u7684\u4e22\u5305\u53ef\u80fd\u8868\u73b0\u4e3a\u77ed\u6682\u7684\u5361\u987f\u6216\u6742\u97f3&#xff0c;\u901a\u5e38\u662f\u53ef\u4ee5\u63a5\u53d7\u7684&#xff0c;\u800c\u91cd\u4f20\u5e26\u6765\u7684\u5ef6\u8fdf\u5219\u662f\u4e0d\u53ef\u63a5\u53d7\u7684\u3002<\/li>\n<li>\u7b80\u5355\u67e5\u8be2\/\u5e94\u7b54\u5e94\u7528&#xff1a;\u5982DNS\u57df\u540d\u89e3\u6790\u3001DHCP\u52a8\u6001\u4e3b\u673a\u914d\u7f6e\u534f\u8bae\u3001SNMP\u7b80\u5355\u7f51\u7edc\u7ba1\u7406\u534f\u8bae\u7b49\u3002\u8fd9\u7c7b\u5e94\u7528\u901a\u5e38\u53ea\u9700\u8981\u53d1\u9001\u4e00\u4e2a\u5c0f\u7684\u8bf7\u6c42\u5305\u5e76\u7b49\u5f85\u4e00\u4e2a\u5c0f\u7684\u54cd\u5e94\u5305\u3002<\/li>\n<li>\u591a\u64ad\u548c\u5e7f\u64ad\u5e94\u7528&#xff1a;UDP\u5929\u7136\u652f\u6301\u5c06\u6570\u636e\u5305\u53d1\u9001\u7ed9\u591a\u4e2a\u63a5\u6536\u8005&#xff08;\u591a\u64ad&#xff09;\u6216\u5b50\u7f51\u5185\u7684\u6240\u6709\u4e3b\u673a&#xff08;\u5e7f\u64ad&#xff09;&#xff0c;\u8fd9\u5728\u5f88\u591a\u7f51\u7edc\u670d\u52a1\u548c\u53d1\u73b0\u534f\u8bae&#xff08;\u5982\u8def\u7531\u534f\u8baeOSPF\u7684\u90e8\u5206\u4fe1\u606f&#xff09;\u4e2d\u975e\u5e38\u6709\u7528\u3002<\/li>\n<\/ul>\n<h3>3\u3001\u4e0eTCP\u7684\u4e3b\u8981\u533a\u522b<\/h3>\n<p>\u4e0b\u8868\u603b\u7ed3\u4e86UDP\u4e0eTCP\u7684\u4e3b\u8981\u533a\u522b&#xff1a;<\/p>\n<table>\n<tr>\u7279\u6027UDPTCP<\/tr>\n<tbody>\n<tr>\n<td align=\"left\">\u8fde\u63a5\u6027<\/td>\n<td align=\"left\">\u65e0\u8fde\u63a5<\/td>\n<td align=\"left\">\u9762\u5411\u8fde\u63a5<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">\u53ef\u9760\u6027<\/td>\n<td align=\"left\">\u4e0d\u53ef\u9760&#xff08;\u4e0d\u4fdd\u8bc1\u9001\u8fbe\u3001\u4e0d\u4fdd\u8bc1\u987a\u5e8f&#xff09;<\/td>\n<td align=\"left\">\u53ef\u9760&#xff08;\u4fdd\u8bc1\u9001\u8fbe\u3001\u4fdd\u8bc1\u987a\u5e8f&#xff09;<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">\u4f20\u8f93\u5355\u4f4d<\/td>\n<td align=\"left\">\u6570\u636e\u62a5&#xff08;\u62a5\u6587&#xff09;<\/td>\n<td align=\"left\">\u5b57\u8282\u6d41<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">\u6d41\u91cf\u63a7\u5236<\/td>\n<td align=\"left\">\u65e0<\/td>\n<td align=\"left\">\u6709&#xff08;\u6ed1\u52a8\u7a97\u53e3&#xff09;<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">\u62e5\u585e\u63a7\u5236<\/td>\n<td align=\"left\">\u65e0<\/td>\n<td align=\"left\">\u6709<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">\u5934\u90e8\u5f00\u9500<\/td>\n<td align=\"left\">\u5c0f&#xff08;8\u5b57\u8282&#xff09;<\/td>\n<td align=\"left\">\u5927&#xff08;\u901a\u5e3820\u5b57\u8282&#xff0c;\u53ef\u9009\u9879\u6700\u591a40\u5b57\u8282&#xff09;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>4\u3001\u603b\u7ed3<\/h3>\n<p>UDP\u534f\u8bae\u4ee5\u5176\u7b80\u5355\u3001\u9ad8\u6548\u3001\u65e0\u8fde\u63a5\u7684\u7279\u70b9&#xff0c;\u5728\u7279\u5b9a\u7684\u7f51\u7edc\u5e94\u7528\u573a\u666f\u4e2d\u53d1\u6325\u7740\u4e0d\u53ef\u66ff\u4ee3\u7684\u4f5c\u7528\u3002\u5b83\u9002\u5408\u90a3\u4e9b\u9700\u8981\u4f4e\u5ef6\u8fdf\u3001\u80fd\u591f\u5bb9\u5fcd\u5c11\u91cf\u4e22\u5305\u3001\u6216\u8005\u9700\u8981\u5e7f\u64ad\/\u591a\u64ad\u529f\u80fd\u7684\u5e94\u7528\u3002\u5f00\u53d1\u8005\u9700\u8981\u6839\u636e\u5e94\u7528\u7684\u5177\u4f53\u9700\u6c42&#xff0c;\u6743\u8861\u53ef\u9760\u6027\u4e0e\u6548\u7387&#xff0c;\u9009\u62e9\u5408\u9002\u7684\u4f20\u8f93\u5c42\u534f\u8bae\u3002<\/p>\n<h2>\u4e09\u3001ESP-IDF\u8be6\u89e3<\/h2>\n<h3>1\u3001ESP32 \u6982\u8ff0<\/h3>\n<p>ESP32 \u662f\u7531\u4e50\u946b\u79d1\u6280&#xff08;Espressif Systems&#xff09;\u63a8\u51fa\u7684\u4e00\u6b3e\u9ad8\u6027\u80fd\u3001\u4f4e\u529f\u8017\u3001\u9ad8\u96c6\u6210\u5ea6\u7684 Wi-Fi &amp; \u84dd\u7259\u53cc\u6a21\u7cfb\u7edf\u7ea7\u82af\u7247&#xff08;SoC&#xff09;\u3002\u5b83\u5e7f\u6cdb\u5e94\u7528\u4e8e\u7269\u8054\u7f51&#xff08;IoT&#xff09;\u3001\u667a\u80fd\u5bb6\u5c45\u3001\u5de5\u4e1a\u63a7\u5236\u7b49\u9886\u57df\u3002\u5176\u5173\u952e\u7279\u6027\u5305\u62ec&#xff1a;<\/p>\n<ul>\n<li>\u53cc\u6838\u5904\u7406\u5668&#xff08;\u901a\u5e38\u4e3a Xtensa LX6&#xff0c;\u67d0\u4e9b\u578b\u53f7\u4e3a RISC-V&#xff09;<\/li>\n<li>\u96c6\u6210 Wi-Fi (802.11 b\/g\/n) \u548c\u84dd\u7259 (\u5305\u62ec\u7ecf\u5178\u84dd\u7259\u548c\u4f4e\u529f\u8017\u84dd\u7259 BLE)<\/li>\n<li>\u4e30\u5bcc\u7684\u5916\u8bbe\u63a5\u53e3&#xff1a;<span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\">\n<p>         S<\/p>\n<p>         P<\/p>\n<p>         I<\/p>\n<p>        SPI<\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.1389em\">SP<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0785em\">I<\/span><\/span><\/span><\/span><\/span>, <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>         I<\/p>\n<p>         2<\/p>\n<p>         C<\/p>\n<p>        I2C<\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0785em\">I<\/span><span class=\"mord\">2<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0715em\">C<\/span><\/span><\/span><\/span><\/span>, <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>         I<\/p>\n<p>         2<\/p>\n<p>         S<\/p>\n<p>        I2S<\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0785em\">I<\/span><span class=\"mord\">2<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0576em\">S<\/span><\/span><\/span><\/span><\/span>, <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>         U<\/p>\n<p>         A<\/p>\n<p>         R<\/p>\n<p>         T<\/p>\n<p>        UART<\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.109em\">U<\/span><span class=\"mord mathnormal\">A<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.1389em\">RT<\/span><\/span><\/span><\/span><\/span>, <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>         A<\/p>\n<p>         D<\/p>\n<p>         C<\/p>\n<p>        ADC<\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\">A<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0278em\">D<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0715em\">C<\/span><\/span><\/span><\/span><\/span>, <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>         D<\/p>\n<p>         A<\/p>\n<p>         C<\/p>\n<p>        DAC<\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0278em\">D<\/span><span class=\"mord mathnormal\">A<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0715em\">C<\/span><\/span><\/span><\/span><\/span>, <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>         P<\/p>\n<p>         W<\/p>\n<p>         M<\/p>\n<p>        PWM<\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.1389em\">P<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.1389em\">W<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.109em\">M<\/span><\/span><\/span><\/span><\/span>, \u89e6\u6478\u4f20\u611f\u5668\u7b49<\/li>\n<li>\u5145\u8db3\u7684\u5185\u5b58&#xff08;RAM \u548c Flash \u9009\u9879\u591a\u6837&#xff09;<\/li>\n<li>\u5f3a\u5927\u7684\u5b89\u5168\u7279\u6027&#xff08;\u5982\u52a0\u5bc6\u52a0\u901f\u5668&#xff09;<\/li>\n<li>\u8d85\u4f4e\u529f\u8017\u8bbe\u8ba1&#xff0c;\u652f\u6301\u591a\u79cd\u4f11\u7720\u6a21\u5f0f<\/li>\n<\/ul>\n<h3>2\u3001 ESP-IDF \u8be6\u89e3<\/h3>\n<p>ESP-IDF (Espressif IoT Development Framework) \u662f\u4e50\u946b\u5b98\u65b9\u4e3a ESP32\u3001ESP32-S \u7cfb\u5217\u3001ESP32-C \u7cfb\u5217\u7b49\u82af\u7247\u63d0\u4f9b\u7684\u5f00\u53d1\u6846\u67b6\u548c SDK&#xff08;\u8f6f\u4ef6\u5f00\u53d1\u5de5\u5177\u5305&#xff09;\u3002\u5b83\u662f\u5f00\u53d1\u57fa\u4e8e ESP32 \u82af\u7247\u5e94\u7528\u7a0b\u5e8f\u7684\u9996\u9009\u548c\u5b98\u65b9\u63a8\u8350\u5de5\u5177\u3002<\/p>\n<h4>2.1 \u3001ESP-IDF \u7684\u6838\u5fc3\u7ec4\u4ef6\u4e0e\u67b6\u6784<\/h4>\n<p>ESP-IDF \u662f\u4e00\u4e2a\u5206\u5c42\u3001\u6a21\u5757\u5316\u7684\u6846\u67b6&#xff1a;<\/p>\n<ul>\n<li>\u786c\u4ef6\u62bd\u8c61\u5c42 (HAL)&#xff1a; \u63d0\u4f9b\u5bf9\u82af\u7247\u786c\u4ef6\u8d44\u6e90&#xff08;\u5982 GPIO\u3001UART\u3001SPI\u3001I2C\u3001\u5b9a\u65f6\u5668\u3001ADC\u3001DAC\u3001RTC\u3001Wi-Fi\u3001\u84dd\u7259\u7b49&#xff09;\u8fdb\u884c\u64cd\u4f5c\u7684\u7edf\u4e00\u63a5\u53e3&#xff0c;\u5c4f\u853d\u5e95\u5c42\u786c\u4ef6\u7ec6\u8282\u3002<\/li>\n<li>\u9a71\u52a8 (Drivers)&#xff1a; \u5728 HAL \u4e4b\u4e0a&#xff0c;\u63d0\u4f9b\u66f4\u6613\u7528\u3001\u529f\u80fd\u66f4\u4e30\u5bcc\u7684\u8bbe\u5907\u9a71\u52a8&#xff08;\u5982 SPI Flash \u9a71\u52a8\u3001SD \u5361\u9a71\u52a8\u3001\u4ee5\u592a\u7f51\u9a71\u52a8\u7b49&#xff09;\u3002<\/li>\n<li>FreeRTOS&#xff1a; ESP-IDF \u6df1\u5ea6\u96c6\u6210\u4e86\u5f00\u6e90\u7684 FreeRTOS \u5b9e\u65f6\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838\u3002\u5b83\u63d0\u4f9b\u4e86\u4efb\u52a1\u7ba1\u7406\u3001\u961f\u5217\u3001\u4fe1\u53f7\u91cf\u3001\u8f6f\u4ef6\u5b9a\u65f6\u5668\u3001\u4e2d\u65ad\u7ba1\u7406\u7b49\u673a\u5236&#xff0c;\u5145\u5206\u5229\u7528 ESP32 \u7684\u591a\u6838\u7279\u6027&#xff08;\u4efb\u52a1\u53ef\u4ee5\u5728\u4e0d\u540c\u6838\u5fc3\u4e0a\u8fd0\u884c&#xff09;\u3002<\/li>\n<li>\u4e2d\u95f4\u4ef6&#xff1a;\n<ul>\n<li>Wi-Fi \u534f\u8bae\u6808&#xff1a; \u5b9e\u73b0 Wi-Fi \u7684 Station&#xff08;\u5ba2\u6237\u7aef&#xff09;\u3001SoftAP&#xff08;\u63a5\u5165\u70b9&#xff09;\u3001Promiscuous&#xff08;\u76d1\u542c&#xff09;\u6a21\u5f0f\u3002<\/li>\n<li>\u84dd\u7259\u534f\u8bae\u6808&#xff1a; \u5b9e\u73b0\u7ecf\u5178\u84dd\u7259\u548c\u4f4e\u529f\u8017\u84dd\u7259 (BLE) \u7684\u5404\u79cd\u89d2\u8272&#xff08;\u5982 GATT Client\/Server, GAP Central\/Peripheral&#xff09;\u3002<\/li>\n<li>TCP\/IP \u534f\u8bae\u6808 (lwIP)&#xff1a; \u8f7b\u91cf\u7ea7\u7684 TCP\/IP \u534f\u8bae\u6808&#xff0c;\u652f\u6301 IPv4\/IPv6 (\u90e8\u5206\u578b\u53f7)\u3001DHCP\u3001DNS\u3001Socket API \u7b49\u3002<\/li>\n<li>\u6587\u4ef6\u7cfb\u7edf (FATFS\/VFS)&#xff1a; \u652f\u6301\u5728 SPI Flash \u6216\u5916\u90e8\u5b58\u50a8\u8bbe\u5907\u4e0a\u4f7f\u7528 FAT \u6587\u4ef6\u7cfb\u7edf\u3002<\/li>\n<li>\u52a0\u5bc6\u5e93&#xff1a; \u63d0\u4f9b AES\u3001SHA\u3001RSA \u7b49\u52a0\u5bc6\u7b97\u6cd5\u7684\u8f6f\u4ef6\u548c\u786c\u4ef6\u52a0\u901f\u5b9e\u73b0\u3002<\/li>\n<li>HTTP\/WebSocket\/MQTT \u7b49\u534f\u8bae\u5e93&#xff1a; \u65b9\u4fbf\u6784\u5efa\u7f51\u7edc\u5e94\u7528\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5e94\u7528\u7a0b\u5e8f&#xff1a; \u7528\u6237\u7f16\u5199\u7684\u4e1a\u52a1\u903b\u8f91\u4ee3\u7801&#xff0c;\u8fd0\u884c\u5728 FreeRTOS \u7684\u4efb\u52a1\u4e2d&#xff0c;\u901a\u8fc7\u8c03\u7528\u4e0b\u5c42 API \u5b9e\u73b0\u529f\u80fd\u3002<\/li>\n<\/ul>\n<h4>2.2 \u3001ESP-IDF \u5f00\u53d1\u73af\u5883\u4e0e\u5de5\u5177\u94fe<\/h4>\n<ul>\n<li>\u5de5\u5177\u94fe&#xff1a; \u57fa\u4e8e GNU GCC \u7f16\u8bd1\u5668&#xff08;\u9488\u5bf9 Xtensa \u6216 RISC-V \u67b6\u6784&#xff09;\u3002<\/li>\n<li>\u6784\u5efa\u7cfb\u7edf&#xff1a; \u4f7f\u7528 CMake&#xff08;\u65e9\u671f\u7248\u672c\u4f7f\u7528 GNU Make&#xff09;\u3002\u5f00\u53d1\u8005\u7f16\u5199 CMakeLists.txt \u6587\u4ef6\u6765\u5b9a\u4e49\u9879\u76ee\u7ed3\u6784\u3001\u6e90\u6587\u4ef6\u3001\u4f9d\u8d56\u7ec4\u4ef6\u7b49\u3002<\/li>\n<li>\u914d\u7f6e\u5de5\u5177&#xff1a; menuconfig\u3002\u8fd9\u662f\u4e00\u4e2a\u57fa\u4e8e\u6587\u672c\u7684\u56fe\u5f62\u5316\u914d\u7f6e\u5de5\u5177&#xff08;\u7c7b\u4f3c\u4e8e Linux Kernel \u7684 make menuconfig&#xff09;&#xff0c;\u7528\u4e8e\u914d\u7f6e ESP-IDF \u7684\u4f17\u591a\u9009\u9879&#xff0c;\u5982&#xff1a;\n<ul>\n<li>\u9009\u62e9\u76ee\u6807\u82af\u7247\u578b\u53f7<\/li>\n<li>\u914d\u7f6e Wi-Fi\/BT \u53c2\u6570<\/li>\n<li>\u8c03\u6574 FreeRTOS \u8bbe\u7f6e&#xff08;\u4efb\u52a1\u6808\u5927\u5c0f\u3001\u4f18\u5148\u7ea7\u7b49&#xff09;<\/li>\n<li>\u914d\u7f6e\u65e5\u5fd7\u8f93\u51fa\u7ea7\u522b\u548c\u65b9\u5f0f<\/li>\n<li>\u914d\u7f6e\u5185\u5b58\u5e03\u5c40<\/li>\n<li>\u542f\u7528\/\u7981\u7528\u7279\u5b9a\u529f\u80fd\u548c\u5916\u8bbe\u9a71\u52a8<\/li>\n<\/ul>\n<\/li>\n<li>\u6838\u5fc3\u5de5\u5177 &#8211; idf.py&#xff1a; \u8fd9\u662f ESP-IDF \u63d0\u4f9b\u7684\u547d\u4ee4\u884c\u5de5\u5177&#xff0c;\u7528\u4e8e\u6267\u884c\u6784\u5efa\u3001\u70e7\u5f55\u3001\u8c03\u8bd5\u3001\u76d1\u89c6\u4e32\u53e3\u8f93\u51fa\u7b49\u51e0\u4e4e\u6240\u6709\u5f00\u53d1\u4efb\u52a1\u3002\u5e38\u7528\u547d\u4ee4\u5982&#xff1a;\n<ul>\n<li>idf.py set-target esp32 (\u8bbe\u7f6e\u76ee\u6807\u82af\u7247)<\/li>\n<li>idf.py menuconfig (\u542f\u52a8\u914d\u7f6e\u5de5\u5177)<\/li>\n<li>idf.py build (\u7f16\u8bd1\u9879\u76ee)<\/li>\n<li>idf.py -p PORT flash (\u70e7\u5f55\u56fa\u4ef6\u5230\u8bbe\u5907&#xff0c;PORT \u4e3a\u4e32\u53e3&#xff0c;\u5982 COM3 \u6216 \/dev\/ttyUSB0)<\/li>\n<li>idf.py -p PORT monitor (\u542f\u52a8\u4e32\u53e3\u76d1\u89c6\u5668&#xff0c;\u67e5\u770b\u8bbe\u5907\u65e5\u5fd7\u8f93\u51fa)<\/li>\n<li>idf.py fullclean (\u5f7b\u5e95\u6e05\u7406\u6784\u5efa\u76ee\u5f55)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>2.3 \u3001ESP-IDF \u5f00\u53d1\u6d41\u7a0b\u7b80\u8ff0<\/h4>\n<li>\u73af\u5883\u642d\u5efa&#xff1a; \u5728 Windows\u3001Linux \u6216 macOS \u4e0a\u5b89\u88c5 ESP-IDF \u5f00\u53d1\u73af\u5883&#xff08;\u5305\u62ec\u5de5\u5177\u94fe\u3001Python\u3001Git \u7b49&#xff09;\u3002<\/li>\n<li>\u521b\u5efa\u9879\u76ee&#xff1a; \u4f7f\u7528 idf.py create-project \u6216\u590d\u5236\u793a\u4f8b\u9879\u76ee\u6a21\u677f\u3002<\/li>\n<li>\u7f16\u5199\u4ee3\u7801&#xff1a; \u5728 main \u76ee\u5f55\u4e0b\u7f16\u5199\u5e94\u7528\u7a0b\u5e8f\u4ee3\u7801 (\u901a\u5e38\u662f main.c \u6216 app_main() \u51fd\u6570)\u3002<\/li>\n<li>\u914d\u7f6e\u9879\u76ee&#xff1a; \u8fd0\u884c idf.py menuconfig \u6839\u636e\u9700\u6c42\u8fdb\u884c\u914d\u7f6e\u3002<\/li>\n<li>\u7f16\u8bd1\u9879\u76ee&#xff1a; \u8fd0\u884c idf.py build \u751f\u6210\u53ef\u6267\u884c\u56fa\u4ef6 (.bin \u6587\u4ef6)\u3002<\/li>\n<li>\u70e7\u5f55\u56fa\u4ef6&#xff1a; \u5c06 ESP32 \u5f00\u53d1\u677f\u8fde\u63a5\u5230\u7535\u8111&#xff0c;\u8fd0\u884c idf.py -p PORT flash \u5c06\u56fa\u4ef6\u70e7\u5f55\u5230\u8bbe\u5907 Flash \u4e2d\u3002<\/li>\n<li>\u76d1\u89c6\u8f93\u51fa&#xff1a; \u8fd0\u884c idf.py -p PORT monitor \u67e5\u770b\u8bbe\u5907\u8fd0\u884c\u65e5\u5fd7&#xff0c;\u8fdb\u884c\u8c03\u8bd5\u3002\u53ef\u4ee5\u4f7f\u7528 ESP_LOGx (\u5982 ESP_LOGI, ESP_LOGE) \u51fd\u6570\u6253\u5370\u4e0d\u540c\u7ea7\u522b\u7684\u65e5\u5fd7\u3002<\/li>\n<h4>2.4\u3001 \u793a\u4f8b\u4ee3\u7801\u7ed3\u6784 (\u6700\u7b80\u5355\u7684 Hello World)<\/h4>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;freertos\/FreeRTOS.h&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;freertos\/task.h&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;esp_log.h&#034;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">static<\/span> <span class=\"token keyword\">const<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>TAG <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;MAIN&#034;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">app_main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">ESP_LOGI<\/span><span class=\"token punctuation\">(<\/span>TAG<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Hello World!&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u6253\u5370 Info \u7ea7\u522b\u65e5\u5fd7<\/span><br \/>\n        <span class=\"token function\">vTaskDelay<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">pdMS_TO_TICKS<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1000<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u5ef6\u65f6 1000 \u6beb\u79d2 (FreeRTOS \u5ef6\u65f6)<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>2.5\u3001 \u4f18\u52bf\u4e0e\u7279\u70b9<\/h4>\n<ul>\n<li>\u5b98\u65b9\u652f\u6301&#xff1a; \u7531\u82af\u7247\u539f\u5382\u7ef4\u62a4&#xff0c;\u66f4\u65b0\u53ca\u65f6&#xff0c;\u4e0e\u65b0\u82af\u7247\u7279\u6027\u540c\u6b65\u5feb\u3002<\/li>\n<li>\u529f\u80fd\u5168\u9762&#xff1a; \u63d0\u4f9b\u5bf9 ESP32 \u6240\u6709\u786c\u4ef6\u7279\u6027\u548c\u5916\u8bbe\u7684\u5e95\u5c42\u8bbf\u95ee\u3002<\/li>\n<li>\u6027\u80fd\u4f18\u5316&#xff1a; \u9488\u5bf9 ESP32 \u786c\u4ef6\u8fdb\u884c\u4e86\u6df1\u5ea6\u4f18\u5316&#xff08;\u5982 Wi-Fi\/BT \u5171\u5b58&#xff09;\u3002<\/li>\n<li>\u7a33\u5b9a\u6027\u9ad8&#xff1a; \u7ecf\u8fc7\u5927\u91cf\u5546\u4e1a\u4ea7\u54c1\u9a8c\u8bc1\u3002<\/li>\n<li>\u793e\u533a\u6d3b\u8dc3&#xff1a; \u7528\u6237\u591a&#xff0c;\u793e\u533a\u652f\u6301\u597d&#xff0c;\u95ee\u9898\u5bb9\u6613\u627e\u5230\u89e3\u51b3\u65b9\u6848\u3002<\/li>\n<li>\u6587\u6863\u5b8c\u5584&#xff1a; \u5b98\u65b9\u63d0\u4f9b\u8be6\u5c3d\u7684 API \u53c2\u8003\u6307\u5357\u3001\u7f16\u7a0b\u6307\u5357\u548c\u793a\u4f8b\u4ee3\u7801\u3002<\/li>\n<li>\u6a21\u5757\u5316&#xff1a; \u6613\u4e8e\u6269\u5c55\u548c\u590d\u7528\u4ee3\u7801&#xff0c;\u65b9\u4fbf\u7ba1\u7406\u5927\u578b\u9879\u76ee\u3002<\/li>\n<li>\u5f00\u6e90\u514d\u8d39&#xff1a; \u57fa\u4e8e Apache 2.0 \u8bb8\u53ef\u8bc1\u3002<\/li>\n<\/ul>\n<h4>2.6 \u3001\u9002\u7528\u573a\u666f<\/h4>\n<p>ESP-IDF \u9002\u7528\u4e8e\u9700\u8981\u6df1\u5ea6\u63a7\u5236\u786c\u4ef6\u3001\u8ffd\u6c42\u9ad8\u6027\u80fd\u3001\u9ad8\u7a33\u5b9a\u6027\u6216\u9700\u8981\u4f7f\u7528 ESP32 \u7279\u6709\u529f\u80fd&#xff08;\u5982\u8d85\u4f4e\u529f\u8017\u534f\u5904\u7406\u5668 ULP&#xff09;\u7684\u5e94\u7528\u5f00\u53d1\u3002\u5bf9\u4e8e\u5feb\u901f\u539f\u578b\u5f00\u53d1&#xff0c;\u4e5f\u53ef\u4ee5\u8003\u8651\u57fa\u4e8e ESP-IDF \u6784\u5efa\u7684\u66f4\u9ad8\u7ea7\u6846\u67b6&#xff08;\u5982 Arduino for ESP32\u3001MicroPython&#xff09;&#xff0c;\u4f46\u8fd9\u4e9b\u6846\u67b6\u6700\u7ec8\u90fd\u4f9d\u8d56\u4e8e ESP-IDF \u7684\u5e95\u5c42\u529f\u80fd\u3002<\/p>\n<h3>3\u3001\u603b\u7ed3<\/h3>\n<p>ESP-IDF \u662f\u5f00\u53d1 ESP32 \u7cfb\u5217\u82af\u7247\u7684\u5f3a\u5927\u3001\u7075\u6d3b\u4e14\u529f\u80fd\u5b8c\u5907\u7684\u5b98\u65b9\u6846\u67b6\u3002\u5b83\u63d0\u4f9b\u4e86\u4ece\u786c\u4ef6\u64cd\u4f5c\u5230\u7f51\u7edc\u534f\u8bae\u6808\u7684\u5168\u5957\u89e3\u51b3\u65b9\u6848&#xff0c;\u7ed3\u5408 FreeRTOS \u5b9e\u73b0\u4e86\u9ad8\u6548\u7684\u591a\u4efb\u52a1\u5904\u7406\u3002\u867d\u7136\u5176\u5b66\u4e60\u66f2\u7ebf\u76f8\u5bf9\u9661\u5ced&#xff0c;\u5c24\u5176\u662f\u5bf9\u4e8e\u4e0d\u719f\u6089\u5d4c\u5165\u5f0f\u5f00\u53d1\u548c RTOS \u7684\u5f00\u53d1\u8005&#xff0c;\u4f46\u5b83\u63d0\u4f9b\u4e86\u6700\u76f4\u63a5\u3001\u6700\u5f3a\u5927\u7684\u65b9\u5f0f\u6765\u5145\u5206\u5229\u7528 ESP32 \u7684\u6f5c\u529b&#xff0c;\u662f\u5f00\u53d1\u590d\u6742\u6216\u9ad8\u6027\u80fd ESP32 \u5e94\u7528\u7684\u57fa\u77f3\u3002\u638c\u63e1 idf.py \u5de5\u5177\u94fe\u548c menuconfig \u914d\u7f6e\u662f\u4f7f\u7528 ESP-IDF \u7684\u5173\u952e\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260213001733-698e6d9df375e.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>ESP32 \u4f7f\u7528ESP-IDF \u8fde\u63a5WiFi\u5e76\u4f7f\u7528UDP\u901a\u4fe1\u6e90\u7801\u5206\u4eab\u4e00\u3001\u6e90\u7801\u5206\u4eab1\u3001\u6548\u679c\u5c55\u793a2\u3001\u5f00\u53d1\u73af\u5883\u642d\u5efa3\u3001\u6e90\u7801\u5206\u4eab\u4e8c\u3001UDP\u534f\u8bae\u4ecb\u7ecd1\u3001\u4e3b\u8981\u7279\u70b92\u3001\u9002\u7528\u573a\u666f3\u3001\u4e0eTCP\u7684\u4e3b\u8981\u533a\u522b4\u3001\u603b\u7ed3\u4e09\u3001ESP-IDF\u8be6\u89e31\u3001ESP32 \u6982\u8ff02\u3001 ESP-IDF \u8be6\u89e32.1 \u3001ESP-IDF \u7684\u6838\u5fc3\u7ec4\u4ef6\u4e0e\u67b6\u67842.2 \u3001ESP-IDF \u5f00\u53d1\u73af\u5883\u4e0e\u5de5\u5177\u94fe2.3 \u3001ESP-IDF \u5f00\u53d1\u6d41\u7a0b\u7b80\u8ff02.4\u3001 \u793a\u4f8b\u4ee3\u7801\u7ed3\u6784 (\u6700\u7b80\u5355\u7684 Hello World)2.5\u3001 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