{"id":10020433,"date":"2024-12-04T10:03:36","date_gmt":"2024-12-04T02:03:36","guid":{"rendered":"https:\/\/itmax.cn\/?p=10020433"},"modified":"2024-12-04T10:03:36","modified_gmt":"2024-12-04T02:03:36","slug":"%e7%82%b9%e7%81%af%e5%a4%a7%e5%b8%88-wifi%e6%8e%a7%e5%88%b6%e7%81%af","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10020433","title":{"rendered":"\u70b9\u706f\u5927\u5e08\u2014\u2014WIFI\u63a7\u5236\u706f"},"content":{"rendered":"<p>\u5728\u4e4b\u524d\u7684\u6559\u7a0b\u4e2d\uff0c\u6211\u4eec\u5b66\u4e60\u4e86 ESP6266 \u7684\u539f\u7406\uff0c\u5e76\u52a8\u624b\u5199\u4e86\u9a71\u52a8\uff0c\u5b9e\u73b0\u4e86\u4e32\u53e3\u7684\u901a\u8baf\u548c STA\u3001AP\u3001STA+AP \u4e09\u79cd\u6a21\u5f0f\u3002\u672c\u6b21\u6211\u4eec\u5c31\u6765\u6559\u5927\u5bb6\u5982\u4f55\u4f7f\u7528 ESP8266 \u63a7\u5236\u706f\u3002\u8fd9\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u5c06 WIFI \u901a\u4fe1\u4e0e\u786c\u4ef6\u63a7\u5236\u76f8\u7ed3\u5408\uff0c\u5b9e\u73b0\u8fdc\u7a0b\u63a7\u5236\u7684\u529f\u80fd\u3002\u4f60\u4e5f\u53ef\u4ee5\u6269\u5c55\u8fd9\u4e2a\u793a\u4f8b\uff0c\u6dfb\u52a0\u66f4\u591a\u7684\u6307\u4ee4\u548c\u529f\u80fd\uff0c\u4ee5\u6ee1\u8db3\u81ea\u5df1\u7684\u9700\u6c42\u3002<\/p>\n<h2>1. \u6e90\u7801\u4e0b\u8f7d\u53ca\u524d\u7f6e\u9605\u8bfb<\/h2>\n<p>\u672c\u6587\u9996\u53d1 <strong>\u826f\u8bb8\u5d4c\u5165\u5f0f\u7f51<\/strong> \uff1a<a href=\"https:\/\/link.segmentfault.com\/?enc=Q1a0Yu2dd4%2BbvyPojOGY1A%3D%3D.wF5anNALnVArdYIjMQ0MtjDGP39jywnrgRAO0yeD%2FeU%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">https:\/\/www.lxlinux.net\/e\/<\/a> \uff0c\u6b22\u8fce\u5173\u6ce8\uff01<\/p>\n<p>\u672c\u6587\u6240\u6d89\u53ca\u7684\u6e90\u7801\u53ca\u5b89\u88c5\u5305\u5982\u4e0b\uff08\u7531\u4e8e\u5e73\u53f0\u9650\u5236\uff0c\u8bf7\u70b9\u51fb\u4ee5\u4e0b\u94fe\u63a5\u9605\u8bfb\u539f\u6587\u4e0b\u8f7d\uff09\uff1a<\/p>\n<p><a href=\"https:\/\/link.segmentfault.com\/?enc=aV9Gm5KQ8mX%2F%2FIWYSI18OQ%3D%3D.UC9aV7BKU12dWUICRI5gdR24y%2FGQy1VPeWRtFGh%2BYxeiYUeyyrfF6tFJcZYBcbCOLLeTrfECbrPuh9s2WWL%2FYQ%3D%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">https:\/\/www.lxlinux.net\/e\/stm32\/esp8266-control-led.html<\/a><\/p>\n<p>\u5982\u679c\u4f60\u662f\u5d4c\u5165\u5f0f\u5f00\u53d1\u5c0f\u767d\uff0c\u90a3\u4e48\u5efa\u8bae\u4f60\u5148\u8bfb\u8bfb\u4e0b\u9762\u51e0\u7bc7\u6587\u7ae0\u3002<\/p>\n<ul>\n<li>\u3010STM32\u4e0b\u8f7d\u7a0b\u5e8f\u7684\u4e94\u79cd\u65b9\u6cd5\uff1a<a href=\"https:\/\/link.segmentfault.com\/?enc=gA8Dq4QWG40%2F3DITZ62JYg%3D%3D.MNwdzIgjU8NuaXfMN%2BE3me%2FWgWSZY6535tUNiAeov8IxYKQZNB6rM01ODq7UDnk4Bk0mb56XZkrXlAQd5p0F5hOW%2FtYhn6XskexloN%2BOIFE%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">https:\/\/www.lxlinux.net\/e\/stm32\/five-ways-to-flash-program-to&#8230;<\/a>\u3011<\/li>\n<li>\u3010\u4e00\u6587\u6559\u4f60\u4f7f\u7528MDK\u5f00\u53d1\u5de5\u5177\uff1a<a href=\"https:\/\/link.segmentfault.com\/?enc=KSo0l2SUN0PM6qo2DebzXg%3D%3D.fxZvsQ%2BzOjpBdyQZcref0I1bHSI3rkDZW9XUtWpSkP4MGUNCTbA69D4O0wAdoxa3cFxWh1ypHtBjbhEX%2BqreIZjTFCTupNJh0R4vi%2F7HRS4%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">https:\/\/www.lxlinux.net\/e\/stm32\/mdk-development-tool-tutorial&#8230;<\/a>\u3011<\/li>\n<li>\u3010\u96f6\u57fa\u7840\u5feb\u901f\u4e0a\u624bSTM32\u5f00\u53d1\uff08\u624b\u628a\u624b\u4fdd\u59c6\u7ea7\u6559\u7a0b\uff09\uff1a<a href=\"https:\/\/link.segmentfault.com\/?enc=k1TNV78rrv8KmaFllFfEdg%3D%3D.efirpYbGOkkUNTJIyg0JVmlrrYK4LVJ9dYqP0docBIN44uojLPqjpehy12Q65d30AOdjna488E3az4dVFXbWwWdMcNQwVzrj0wrk1cFK8ZU%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">https:\/\/www.lxlinux.net\/e\/stm32\/stm32-quick-start-for-beginne&#8230;<\/a> \u3011<\/li>\n<\/ul>\n<p>\u524d\u671f\u6559\u7a0b\uff0c\u6ca1\u770b\u8fc7\u7684\u5c0f\u4f19\u4f34\u53ef\u4ee5\u5148\u770b\u4e0b\u3002<\/p>\n<ul>\n<li>\u3010\u624b\u628a\u624b\u6559\u4f60\u73a9\u8f6cWIFI\u6a21\u5757\uff08\u539f\u7406+\u9a71\u52a8\uff09\uff1a<a href=\"https:\/\/link.segmentfault.com\/?enc=mcJcPNMwJbBsRPEdJrfP1w%3D%3D.GD76KJT4QzkUEIG2RMEPRw%2FEWWyC1vrFpQqpYsinQq5TCtupl2rpIMY8PSd56RVQMcJfLufw3K%2Bfx87cc%2BXO%2Fg%3D%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">https:\/\/www.lxlinux.net\/e\/stm32\/esp8266-tutorial.html<\/a>\u3011<\/li>\n<li>\u3010STM32\u4e32\u53e3\u63a5\u6536\u4e0d\u5b9a\u957f\u6570\u636e\uff08\u63a5\u6536\u4e2d\u65ad+\u8d85\u65f6\u5224\u65ad\uff09\uff1a<a href=\"https:\/\/link.segmentfault.com\/?enc=l%2FTDZTRrYW3z63vJsblnnQ%3D%3D.Fczqxas%2BMAC%2B5Me03slRARMThT9Y4cjkATa5cLAvP9klnjpVcrTdOCrDtZBWGlW2akY1uXQl3eGVUtUCRcVQ1Qez7by%2BuAslPrIWmc%2FiUwzrFUKJ8n2PklIfiw81aJMA\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">https:\/\/www.lxlinux.net\/e\/stm32\/stm32-usart-receive-data-usin&#8230;<\/a>\u3011<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th>\u4f5c\u8005\u7b80\u4ecb<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5927\u5bb6\u597d\uff0c\u6211\u662f\u826f\u8bb8\uff0c\u535a\u5ba2\u91cc\u6240\u6709\u7684\u6587\u7ae0\u7686\u4e3a\u6211\u7684\u539f\u521b\u3002<br \/>\u4e0b\u9762\u662f\u6211\u7684\u4e00\u4e9b\u4e2a\u4eba\u4ecb\u7ecd\uff0c\u6b22\u8fce\u4ea4\u4e2a\u670b\u53cb\uff1a<br \/>\u00b7 211\u5de5\u79d1\u7855\u58eb\uff0c\u56fd\u5bb6\u5956\u5b66\u91d1\u83b7\u5f97\u8005\uff1b<br \/>\u00b7 \u6df1\u8015\u5d4c\u5165\u5f0f11\u5e74\uff0c\u524d\u4e16\u754c500\u5f3a\u5916\u4f01\u9ad8\u7ea7\u5d4c\u5165\u5f0f\u5de5\u7a0b\u5e08\uff1b<br \/>\u00b7 \u4e66\u7c4d\u300a\u901f\u5b66Linux\u4f5c\u8005\u300b\uff0c\u673a\u68b0\u5de5\u4e1a\u51fa\u7248\u793e\u4e13\u5bb6\u59d4\u5458\u4f1a\u6210\u5458\uff1b<br \/>\u00b7 \u5168\u7f5160W\u7c89\u4e1d\uff0c\u535a\u5ba2\u5206\u4eab\u5927\u91cf\u539f\u521b\u6210\u4f53\u7cfb\u6587\u7ae0\uff0c\u5168\u7f51\u9605\u8bfb\u91cf\u7d2f\u8ba1\u8d854000\u4e07\uff1b<br \/>\u00b7 \u9760\u81ea\u5a92\u4f53\u8fde\u7eed\u5e74\u5165\u767e\u4e07\uff0c\u9760\u81ea\u5df1\u4e70\u623f\u4e70\u8f66\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>\u6211\u672c\u79d1\u53ca\u7855\u58eb\u90fd\u662f\u5b66\u673a\u68b0\uff0c\u901a\u8fc7\u81ea\u5b66\u6210\u529f\u8fdb\u5165\u4e16\u754c500\u5f3a\u5916\u4f01\u3002\u6211\u5df2\u7ecf\u5c06\u81ea\u5df1\u7684\u5b66\u4e60\u7ecf\u9a8c\u5199\u6210\u4e86\u4e00\u672c\u7535\u5b50\u4e66\uff0c\u8d85\u5343\u4eba\u901a\u8fc7\u6b64\u4e66\u5b66\u4e60\u5e76\u8f6c\u884c\u6210\u529f\u3002\u73b0\u5728\u5c06\u8fd9\u672c\u7535\u5b50\u4e66\u514d\u8d39\u5206\u4eab\u7ed9\u5927\u5bb6\uff0c\u5e0c\u671b\u5bf9\u4f60\u4eec\u6709\u5e2e\u52a9\uff1a<\/strong><\/p>\n<p>\u7535\u5b50\u4e66\u94fe\u63a5\uff1a<a href=\"https:\/\/link.segmentfault.com\/?enc=2TwwLhTDd4hnTWFrIJMjIg%3D%3D.hMXkyiNGvXrUdtB5SKyFbOSu36WN54OxXE4Wmj6ItQhA8LLCS%2FtnKzJT73oU0ABq\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">https:\/\/www.lxlinux.net\/1024.html<\/a><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"392\" height=\"836\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdfebd\" alt=\"\" title=\"\"><\/p>\n<h2>2. \u901a\u4fe1\u793a\u610f\u56fe<\/h2>\n<p>\u5b9e\u73b0\u76ee\u6807\u662f\u6211\u4eec\u6709\u4e00\u4e2a\u4e09\u8272 LED \u706f\uff0c\u7535\u8111\u4e0a\u4f7f\u7528\u7f51\u7edc\u8c03\u8bd5\u52a9\u624b\u5411 WIFI \u6a21\u5757\u53d1\u9001\u5173\u952e\u8bcd\u300cgreen\u300d\u7eff\u706f\u4eae\uff0c\u518d\u6b21\u53d1\u9001\u300cgreen\u300d\u7eff\u706f\u706d\uff0c\u9ec4\u706f\u548c\u7ea2\u706f\u7684\u5173\u952e\u8bcd\u662f\u300cyellow\u300d\u3001\u300cred\u300d\uff0c\u6548\u679c\u4e00\u6837\u3002<\/p>\n<p><img decoding=\"async\" width=\"723\" height=\"307\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdfebe\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<h2>3. \u7f16\u7a0b\u5b9e\u6218<\/h2>\n<h3>3.1 \u786c\u4ef6\u63a5\u7ebf<\/h3>\n<p>\u672c\u6559\u7a0b\u4f7f\u7528\u7684\u786c\u4ef6\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li>\u5355\u7247\u673a\uff1aSTM32F103C8T6<\/li>\n<li>WIFI\u6a21\u5757\uff1aESP-01S<\/li>\n<li>\u5c0f\u706f\uff1a\u4e09\u8272 LED \u706f\u6a21\u5757<\/li>\n<li>\u4e32\u53e3\uff1aUSB \u8f6c TTL<\/li>\n<li>\u70e7\u5f55\u5668\uff1aST-LINK V2<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th align=\"center\"><strong>ESP8266<\/strong><\/th>\n<th align=\"center\">LED<\/th>\n<th align=\"center\">STM32<\/th>\n<th align=\"center\">USB \u8f6c TTL<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td align=\"center\">3V3<\/td>\n<td align=\"center\"> <\/td>\n<td align=\"center\">3.3<\/td>\n<td align=\"center\"> <\/td>\n<\/tr>\n<tr>\n<td align=\"center\">RX<\/td>\n<td align=\"center\"> <\/td>\n<td align=\"center\">A2<\/td>\n<td align=\"center\"> <\/td>\n<\/tr>\n<tr>\n<td align=\"center\">TX<\/td>\n<td align=\"center\"> <\/td>\n<td align=\"center\">A3<\/td>\n<td align=\"center\"> <\/td>\n<\/tr>\n<tr>\n<td align=\"center\">GND<\/td>\n<td align=\"center\"> <\/td>\n<td align=\"center\">G<\/td>\n<td align=\"center\"> <\/td>\n<\/tr>\n<tr>\n<td align=\"center\"> <\/td>\n<td align=\"center\">R<\/td>\n<td align=\"center\">A5<\/td>\n<td align=\"center\"> <\/td>\n<\/tr>\n<tr>\n<td align=\"center\"> <\/td>\n<td align=\"center\">Y<\/td>\n<td align=\"center\">A6<\/td>\n<td align=\"center\"> <\/td>\n<\/tr>\n<tr>\n<td align=\"center\"> <\/td>\n<td align=\"center\">G<\/td>\n<td align=\"center\">A7<\/td>\n<td align=\"center\"> <\/td>\n<\/tr>\n<tr>\n<td align=\"center\"> <\/td>\n<td align=\"center\">GND<\/td>\n<td align=\"center\">G<\/td>\n<td align=\"center\"> <\/td>\n<\/tr>\n<tr>\n<td align=\"center\"> <\/td>\n<td align=\"center\"> <\/td>\n<td align=\"center\">A10<\/td>\n<td align=\"center\">TX<\/td>\n<\/tr>\n<tr>\n<td align=\"center\"> <\/td>\n<td align=\"center\"> <\/td>\n<td align=\"center\">A9<\/td>\n<td align=\"center\">RX<\/td>\n<\/tr>\n<tr>\n<td align=\"center\"> <\/td>\n<td align=\"center\"> <\/td>\n<td align=\"center\">G<\/td>\n<td align=\"center\">GND<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u70e7\u5f55\u7684\u65f6\u5019\u63a5\u7ebf\u5982\u4e0b\u8868\uff0c\u5982\u679c\u4e0d\u4f1a\u70e7\u5f55\u7684\u8bdd\u53ef\u4ee5\u770b\u6211\u4e4b\u524d\u7684\u6587\u7ae0\u3010STM32\u4e0b\u8f7d\u7a0b\u5e8f\u7684\u4e94\u79cd\u65b9\u6cd5\uff1a<a href=\"https:\/\/link.segmentfault.com\/?enc=wSosn1FCIK7FqCUyHShlew%3D%3D.6BTySlm6nbgq9JQq2EsP%2BQScLgt8LcRcQgHsdAvmO%2BujrskCLy8i%2Bxq2KDRTuNoG6b7R6QBDha9%2FGIaHm2Yn8nj1kzlT1Ne0Eg%2Bz6t5Cp60%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">https:\/\/www.lxlinux.net\/e\/stm32\/five-ways-to-flash-program-to&#8230;<\/a>\u3011\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th align=\"center\">ST-Link V2<\/th>\n<th align=\"center\">STM32<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td align=\"center\">SWCLK<\/td>\n<td align=\"center\">SWCLK<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">SWDIO<\/td>\n<td align=\"center\">SWDIO<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">GND<\/td>\n<td align=\"center\">GND<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">3.3V<\/td>\n<td align=\"center\">3V3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u63a5\u597d\u5982\u4e0b\u56fe\uff1a<\/p>\n<p><img decoding=\"async\" width=\"723\" height=\"509\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdfebf\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<h3>3.2 LED\u903b\u8f91\u4ee3\u7801<\/h3>\n<p>LED \u706f\u7684\u4ee3\u7801\u7b80\u7b80\u5355\u5355\uff0c\u53ea\u8981\u8fdb\u884c\u4e00\u4e0b\u4e09\u4e2a\u706f\u7684\u521d\u59cb\u5316\u5c31\u884c\u3002<\/p>\n<pre><code class=\"c\">void led_init(void)\n{\n    GPIO_InitTypeDef gpio_init_struct;\n    LED1_GPIO_CLK_ENABLE();                                 \/* LED1\u65f6\u949f\u4f7f\u80fd *\/\n    LED2_GPIO_CLK_ENABLE();                                 \/* LED2\u65f6\u949f\u4f7f\u80fd *\/\n    LED3_GPIO_CLK_ENABLE();                                 \/* LED3\u65f6\u949f\u4f7f\u80fd *\/\n\n    gpio_init_struct.Pin = LED1_GPIO_PIN;                   \/* LED1\u5f15\u811a *\/\n    gpio_init_struct.Mode = GPIO_MODE_OUTPUT_PP;            \/* \u63a8\u633d\u8f93\u51fa *\/\n    gpio_init_struct.Pull = GPIO_PULLUP;                    \/* \u4e0a\u62c9 *\/\n    gpio_init_struct.Speed = GPIO_SPEED_FREQ_HIGH;          \/* \u9ad8\u901f *\/\n    HAL_GPIO_Init(LED1_GPIO_PORT, &amp;gpio_init_struct);       \/* \u521d\u59cb\u5316LED1\u5f15\u811a *\/\n\n    gpio_init_struct.Pin = LED2_GPIO_PIN;                   \/* LED2\u5f15\u811a *\/\n    HAL_GPIO_Init(LED2_GPIO_PORT, &amp;gpio_init_struct);       \/* \u521d\u59cb\u5316LED2\u5f15\u811a *\/\n    \n    gpio_init_struct.Pin = LED3_GPIO_PIN;                   \/* LED3\u5f15\u811a *\/\n    HAL_GPIO_Init(LED3_GPIO_PORT, &amp;gpio_init_struct);       \/* \u521d\u59cb\u5316LED3\u5f15\u811a *\/\n\n    LED1(0);                                                \/* \u5173\u95ed LED1 *\/\n    LED2(0);                                                \/* \u5173\u95ed LED2 *\/\n    LED3(0);                                                \/* \u5173\u95ed LED3 *\/\n}<\/code><\/pre>\n<p>LED \u7684 .h\u6587\u4ef6\uff1a<\/p>\n<pre><code class=\"c\">#ifndef _LED_H\n#define _LED_H\n#include &quot;sys.h&quot;\n\n\n\/******************************************************************************************\/\n\/* \u5f15\u811a \u5b9a\u4e49 *\/\n\n#define LED1_GPIO_PORT                  GPIOA\n#define LED1_GPIO_PIN                   GPIO_PIN_7\n#define LED1_GPIO_CLK_ENABLE()          do{ __HAL_RCC_GPIOA_CLK_ENABLE(); }while(0)             \/* PA\u53e3\u65f6\u949f\u4f7f\u80fd *\/\n\n#define LED2_GPIO_PORT                  GPIOA\n#define LED2_GPIO_PIN                   GPIO_PIN_6\n#define LED2_GPIO_CLK_ENABLE()          do{ __HAL_RCC_GPIOA_CLK_ENABLE(); }while(0)             \/* PA\u53e3\u65f6\u949f\u4f7f\u80fd *\/\n\n#define LED3_GPIO_PORT                  GPIOA\n#define LED3_GPIO_PIN                   GPIO_PIN_5\n#define LED3_GPIO_CLK_ENABLE()          do{ __HAL_RCC_GPIOA_CLK_ENABLE(); }while(0)             \/* PB\u53e3\u65f6\u949f\u4f7f\u80fd *\/\n\n\/******************************************************************************************\/\n\/* LED\u7aef\u53e3\u5b9a\u4e49 *\/\n#define LED1(x)   do{ x ? \/\n                      HAL_GPIO_WritePin(LED1_GPIO_PORT, LED1_GPIO_PIN, GPIO_PIN_SET) : \/\n                      HAL_GPIO_WritePin(LED1_GPIO_PORT, LED1_GPIO_PIN, GPIO_PIN_RESET); \/\n                  }while(0)\n\n#define LED2(x)   do{ x ? \/\n                      HAL_GPIO_WritePin(LED2_GPIO_PORT, LED2_GPIO_PIN, GPIO_PIN_SET) : \/\n                      HAL_GPIO_WritePin(LED2_GPIO_PORT, LED2_GPIO_PIN, GPIO_PIN_RESET); \/\n                  }while(0)\n\n#define LED3(x)   do{ x ? \/\n                      HAL_GPIO_WritePin(LED3_GPIO_PORT, LED3_GPIO_PIN, GPIO_PIN_SET) : \/\n                      HAL_GPIO_WritePin(LED3_GPIO_PORT, LED3_GPIO_PIN, GPIO_PIN_RESET); \/\n                  }while(0)\n\n\/* LED\u53d6\u53cd\u5b9a\u4e49 *\/\n#define LED1_TOGGLE()   do{ HAL_GPIO_TogglePin(LED1_GPIO_PORT, LED1_GPIO_PIN); }while(0)        \/* \u7ffb\u8f6cLED1 *\/\n#define LED2_TOGGLE()   do{ HAL_GPIO_TogglePin(LED2_GPIO_PORT, LED2_GPIO_PIN); }while(0)        \/* \u7ffb\u8f6cLED2 *\/\n#define LED3_TOGGLE()   do{ HAL_GPIO_TogglePin(LED3_GPIO_PORT, LED3_GPIO_PIN); }while(0)        \/* \u7ffb\u8f6cLED3 *\/\n\n\/******************************************************************************************\/\n\/* \u5916\u90e8\u63a5\u53e3\u51fd\u6570*\/\nvoid led_init(void);                                                                            \/* LED\u521d\u59cb\u5316 *\/\n\n#endif<\/code><\/pre>\n<h3>3.3 \u4e32\u53e3\u901a\u8baf\u5b9e\u73b0<\/h3>\n<p>WIFI \u4e32\u53e3\u901a\u8baf\u6211\u4eec\u5728\u3010\u624b\u628a\u624b\u6559\u4f60\u73a9\u8f6cWIFI\u6a21\u5757\uff08\u539f\u7406+\u9a71\u52a8\uff09\uff1a<a href=\"https:\/\/link.segmentfault.com\/?enc=Xo32gXFxnMjDD8jEgM4kTA%3D%3D.Te%2FBaEsRwat7X8wJY3D7xuODTTkf2dFM4e6re6dDrqyfV6fXtYilQrGwPRK2Yi8OqfGwTeq2E%2BcahoZYZztnzA%3D%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">https:\/\/www.lxlinux.net\/e\/stm32\/esp8266-tutorial.html<\/a>\u3011\u6709\u8be6\u7ec6\u6559\u7a0b\uff0c\u5728\u8fd9\u91cc\u5c31\u7b80\u5355\u5e26\u8fc7+\u6d45\u6d45\u590d\u4e60\u4e0b\uff0c\u6ca1\u770b\u8fc7\u6216\u8005\u5fd8\u8bb0\u4e86\u7684\u5c0f\u4f19\u4f34\u53ef\u4ee5\u70b9\u51fb\u94fe\u63a5\u770b\u770b\u3002<\/p>\n<p>\u5b9e\u73b0\u5411\u4e32\u53e3\u53d1\u9001\u6570\u636e\uff0c\u5e76\u7b49\u5f85\u8fd4\u56de\u503c\u3002ESP8266 \u7684 TX \u548c RX \u5b9a\u4e49\u5728\u4e32\u53e32\u3002<\/p>\n<ol>\n<li>\u5b9a\u4e49\u4e32\u53e3\u53e5\u67c4 <code>g_uart_handle<\/code> \uff0c\u5e76\u8c03\u7528 <code>HAL_UART_Init<\/code> \u8fdb\u884c\u521d\u59cb\u5316\u3002<\/li>\n<\/ol>\n<pre><code class=\"C\">UART_HandleTypeDef g_uart_handle;\n\nvoid esp8266_uart_init(uint32_t baudrate)\n{\n    g_uart_handle.Instance          = ESP8266_UART_INTERFACE;       \/* ESP8266 UART *\/\n    g_uart_handle.Init.BaudRate     = baudrate;                     \/* \u6ce2\u7279\u7387 *\/\n    g_uart_handle.Init.WordLength   = UART_WORDLENGTH_8B;           \/* \u6570\u636e\u4f4d *\/\n    g_uart_handle.Init.StopBits     = UART_STOPBITS_1;              \/* \u505c\u6b62\u4f4d *\/\n    g_uart_handle.Init.Parity       = UART_PARITY_NONE;             \/* \u6821\u9a8c\u4f4d *\/\n    g_uart_handle.Init.Mode         = UART_MODE_TX_RX;              \/* \u6536\u53d1\u6a21\u5f0f *\/\n    g_uart_handle.Init.HwFlowCtl    = UART_HWCONTROL_NONE;          \/* \u65e0\u786c\u4ef6\u6d41\u63a7 *\/\n    g_uart_handle.Init.OverSampling = UART_OVERSAMPLING_16;         \/* \u8fc7\u91c7\u6837 *\/\n    HAL_UART_Init(&amp;g_uart_handle);                                  \/* \u4f7f\u80fdESP8266 UART *\/\n}<\/code><\/pre>\n<p>\u5176\u4e2d\uff0c<code>ESP8266_UART_INTERFACE<\/code> \u662f\u5b8f\u5b9a\u4e49\uff0c\u6307\u4ee3\u7684\u5c31\u662f <code>USART2<\/code> \u3002<\/p>\n<p>\u4f20\u5165\u53c2\u6570 <code>baudrate<\/code> \u53ef\u4ee5\u5b9a\u4e49\u8be5\u4e32\u53e3\u7684\u6ce2\u7279\u7387\u3002<\/p>\n<ol start=\"2\">\n<li>\u521d\u59cb\u5316\u4e32\u53e3\u5e95\u5c42\u51fd\u6570\uff0c\u8c03\u7528 <code>HAL_UART_MspInit<\/code> \u51fd\u6570\u3002<\/li>\n<\/ol>\n<p>\u6ce8\u610f\u6700\u540e\u4e00\u884c\uff0c\u9700\u8981\u8c03\u7528 <code>__HAL_UART_ENABLE_IT<\/code> \u51fd\u6570\u4f7f\u80fd\u63a5\u6536\u4e2d\u65ad\u3002<\/p>\n<pre><code class=\"C\">void HAL_UART_MspInit(UART_HandleTypeDef *huart)\n{\n    GPIO_InitTypeDef gpio_init_struct;\n\n    if (huart-&gt;Instance == USART_UX)                            \/* \u5982\u679c\u662f\u4e32\u53e31\uff0c\u8fdb\u884c\u4e32\u53e31 MSP\u521d\u59cb\u5316 *\/\n    {\n        ....\n        \/\/ \u7701\u7565\u4e32\u53e31\u76f8\u5173\u4ee3\u7801\n        ....\n    }\n    else if (huart-&gt;Instance == ESP8266_UART_INTERFACE)                 \/* \u5982\u679c\u662fESP8266 UART *\/\n    {\n        ESP8266_UART_TX_GPIO_CLK_ENABLE();                              \/* \u4f7f\u80fdUART TX\u5f15\u811a\u65f6\u949f *\/\n        ESP8266_UART_RX_GPIO_CLK_ENABLE();                              \/* \u4f7f\u80fdUART RX\u5f15\u811a\u65f6\u949f *\/\n        ESP8266_UART_CLK_ENABLE();                                      \/* \u4f7f\u80fdUART\u65f6\u949f *\/\n        \n        gpio_init_struct.Pin    = ESP8266_UART_TX_GPIO_PIN;             \/* UART TX\u5f15\u811a *\/\n        gpio_init_struct.Mode   = GPIO_MODE_AF_PP;                          \/* \u590d\u7528\u63a8\u633d\u8f93\u51fa *\/\n        gpio_init_struct.Pull   = GPIO_NOPULL;                              \/* \u65e0\u4e0a\u4e0b\u62c9 *\/\n        gpio_init_struct.Speed  = GPIO_SPEED_FREQ_HIGH;                     \/* \u9ad8\u901f *\/\n        HAL_GPIO_Init(ESP8266_UART_TX_GPIO_PORT, &amp;gpio_init_struct);    \/* \u521d\u59cb\u5316UART TX\u5f15\u811a *\/\n        \n        gpio_init_struct.Pin    = ESP8266_UART_RX_GPIO_PIN;             \/* UART RX\u5f15\u811a *\/\n        gpio_init_struct.Mode   = GPIO_MODE_INPUT;                          \/* \u8f93\u5165 *\/\n        gpio_init_struct.Pull   = GPIO_NOPULL;                              \/* \u65e0\u4e0a\u4e0b\u62c9 *\/\n        gpio_init_struct.Speed  = GPIO_SPEED_FREQ_HIGH;                     \/* \u9ad8\u901f *\/\n        HAL_GPIO_Init(ESP8266_UART_RX_GPIO_PORT, &amp;gpio_init_struct);    \/* \u521d\u59cb\u5316UART RX\u5f15\u811a *\/\n        \n        HAL_NVIC_SetPriority(ESP8266_UART_IRQn, 0, 0);                  \/* \u62a2\u5360\u4f18\u5148\u7ea70\uff0c\u5b50\u4f18\u5148\u7ea70 *\/\n        HAL_NVIC_EnableIRQ(ESP8266_UART_IRQn);                          \/* \u4f7f\u80fdUART\u4e2d\u65ad\u901a\u9053 *\/\n        \n        __HAL_UART_ENABLE_IT(huart, UART_IT_RXNE);                          \/* \u4f7f\u80fdUART\u63a5\u6536\u4e2d\u65ad *\/\n    }\n}<\/code><\/pre>\n<ol start=\"3\">\n<li>\u4f7f\u7528\u63a5\u6536\u4e2d\u65ad+\u8d85\u65f6\u5224\u65ad\uff0c\u5b8c\u6210\u6570\u636e\u63a5\u6536\u3002<\/li>\n<\/ol>\n<p>\u7531\u4e8e ESP8266 \u901a\u8fc7\u4e32\u53e3\u8fd4\u56de\u7684\u6570\u636e\u957f\u5ea6\u4e0d\u56fa\u5b9a\uff0c\u6240\u4ee5\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u63a5\u6536\u4e2d\u65ad+\u8d85\u65f6\u5224\u65ad\u7684\u65b9\u6cd5\u5b8c\u6210\u6570\u636e\u63a5\u6536\u3002\u5177\u4f53\u65b9\u6cd5\u53ef\u4ee5\u53c2\u8003\u4e0b\u6587\uff1a<\/p>\n<p>\u3010STM32\u4e32\u53e3\u63a5\u6536\u4e0d\u5b9a\u957f\u6570\u636e\uff08\u63a5\u6536\u4e2d\u65ad+\u8d85\u65f6\u5224\u65ad\uff09\uff1a<a href=\"https:\/\/link.segmentfault.com\/?enc=OpZVPlOBGo0hFOz%2B4%2BImaw%3D%3D.Wr67gowbT6CFtXatQRQ4l2VFE%2BFBwtmhOBbMejXzYoiaSy%2BS3rRyAKIe5PkPZ0U0REMUHvsh6DbGFXxw65mh94McGhs8w3PmpzX9l7QYRUPS%2F%2FOl%2B86bFy%2F7CdXnB0cS\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">https:\/\/www.lxlinux.net\/e\/stm32\/stm32-usart-receive-data-usin&#8230;<\/a>\u3011<\/p>\n<p>\u5728\u4e32\u53e3\u4e2d\u65ad\u670d\u52a1\u51fd\u6570\u91cc\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u63a5\u6536\u5230\u7684\u5b57\u7b26\u4fdd\u5b58\u5728\u63a5\u6536\u7f13\u51b2\u533a\u91cc <code>g_uart_rx_buf<\/code> \uff0c\u5e76\u5b9a\u4e49\u4e00\u4e2a\u53d8\u91cf <code>esp8266_cnt<\/code> \u8ba1\u7b97\u603b\u5171\u6536\u5230\u4e86\u591a\u5c11\u4e2a\u5b57\u7b26\u3002<\/p>\n<pre><code class=\"c\">void ESP8266_UART_IRQHandler(void)\n{\n    uint8_t receive_data = 0;   \n    if(__HAL_UART_GET_FLAG(&amp;g_uart_handle, UART_FLAG_RXNE) != RESET){\n        if(esp8266_cnt &gt;= sizeof(g_uart_rx_buf))\n            esp8266_cnt = 0; \/\/\u9632\u6b62\u4e32\u53e3\u88ab\u5237\u7206\n        HAL_UART_Receive(&amp;g_uart_handle, &amp;receive_data, 1, 1000);\/\/\u4e32\u53e32\u63a5\u65361\u4f4d\u6570\u636e\n        g_uart_rx_buf[esp8266_cnt++] = receive_data;  \n    }\n    HAL_UART_IRQHandler(&amp;g_uart_handle);\n}<\/code><\/pre>\n<p>\u5047\u5982\u4e00\u5e27\u7684\u6570\u636e\u63a5\u6536\u5b8c\u6210\u4e86\uff0c\u90a3\u4e48 <code>esp8266_cnt<\/code> \u53d8\u91cf\u7684\u503c\u5e94\u8be5\u7ef4\u6301\u4e0d\u53d8\u3002<\/p>\n<p>\u6211\u4eec\u901a\u8fc7 while \u6b7b\u5faa\u73af\u4e0d\u505c\u8ba1\u7b97\u5f53\u524d\u6536\u5230\u591a\u5c11\u4e2a\u5b57\u7b26\uff0c\u5f53\u524d\u7edf\u8ba1\u7684\u503c\u8ba1\u7b97\u5728  <code>esp8266_cnt<\/code> \u53d8\u91cf\u91cc\uff0c\u5b9a\u4e49\u53e6\u4e00\u4e2a\u53d8\u91cf <code>esp8266_cntPre<\/code> \uff0c\u7528\u4e8e\u8bb0\u5f55\u4e0a\u4e00\u6b21\u7edf\u8ba1\u63a5\u6536\u5230\u7684\u6570\u636e\u7684\u957f\u5ea6\uff0c\u5982\u679c\u672c\u6b21\u7edf\u8ba1\u6570\u636e\u957f\u5ea6\u8ddf\u4e0a\u4e00\u6b21\u4e00\u6837\u7684\u8bdd\u5c31\u8bf4\u660e\u6570\u636e\u63a5\u6536\u5b8c\u6210\u4e86\u3002\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"c\">uint8_t esp8266_wait_receive(void)\n{\n    if(esp8266_cnt == 0)                             \/\/\u5982\u679c\u63a5\u6536\u8ba1\u6570\u4e3a0 \u5219\u8bf4\u660e\u6ca1\u6709\u5904\u4e8e\u63a5\u6536\u6570\u636e\u4e2d\uff0c\u6240\u4ee5\u76f4\u63a5\u8df3\u51fa\uff0c\u7ed3\u675f\u51fd\u6570\n        return ESP8266_ERROR;\n        \n    if(esp8266_cnt == esp8266_cntPre) {                \/\/\u5982\u679c\u4e0a\u4e00\u6b21\u7684\u503c\u548c\u8fd9\u6b21\u76f8\u540c\uff0c\u5219\u8bf4\u660e\u63a5\u6536\u5b8c\u6bd5\n        esp8266_cnt = 0;                            \/\/\u6e050\u63a5\u6536\u8ba1\u6570\n        return ESP8266_EOK;                            \/\/\u8fd4\u56de\u63a5\u6536\u5b8c\u6210\u6807\u5fd7\n    }\n        \n    esp8266_cntPre = esp8266_cnt;                    \/\/\u7f6e\u4e3a\u76f8\u540c\n    return ESP8266_ERROR;                            \/\/\u8fd4\u56de\u63a5\u6536\u672a\u5b8c\u6210\u6807\u5fd7\n}<\/code><\/pre>\n<p>\u5f53\u7136\uff0c\u63a5\u6536\u5230\u7684\u6570\u636e\u4f7f\u7528\u5b8c\u6210\u4e4b\u540e\uff0c\u6211\u4eec\u5c31\u5e94\u8be5\u6e05\u7a7a\u63a5\u6536\u7f13\u51b2\u533a\uff0c\u5e76\u5c06\u8ba1\u6570\u5668\u7f6e 0 \uff0c\u65b9\u4fbf\u4e0b\u4e00\u6b21\u63a5\u6536\u3002<\/p>\n<pre><code class=\"c\">void esp8266_clear(void)\n{\n    memset(g_uart_rx_buf, 0, sizeof(g_uart_rx_buf));\n    esp8266_cnt = 0;\n}<\/code><\/pre>\n<p>\u63a5\u4e0b\u6765\uff0c\u5c31\u662f\u6700\u5173\u952e\u7684\u4e00\u4e2a\u51fd\u6570\u4e86\u3002\u6211\u4eec\u4f7f\u7528\u8fd9\u4e2a\u51fd\u6570\u901a\u8fc7\u4e32\u53e3\u5411 ESP8266 \u53d1\u9001\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u5e76\u5faa\u73af\u7b49\u5f85\u6211\u4eec\u6240\u671f\u5f85\u5f97\u5230\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n<p>\u5728\u4e0b\u9762\u8fd9\u4e2a\u51fd\u6570\u91cc\uff0c<code>cmd<\/code> \u53d8\u91cf\u662f\u6211\u4eec\u5411 ESP8266 \u53d1\u9001\u7684\u5b57\u7b26\u4e32\uff0c<code>res<\/code> \u53d8\u91cf\u662f\u6211\u4eec\u671f\u5f85\u5f97\u5230\u7684\u56de\u590d\u3002<\/p>\n<p>\u6bd4\u5982\uff0c\u6211\u4eec\u5411 ESP8266 \u53d1\u9001 <code>AT<\/code> \u8fd9\u4e2a\u5b57\u7b26\u4e32\uff0c\u90a3\u4e48 ESP8266 \u5982\u679c\u6b63\u5e38\u7684\u8bdd\u5e94\u8be5\u4f1a\u56de\u590d <code>OK<\/code> \u3002\u6b64\u65f6\uff0c<code>cmd<\/code> \u5c31\u662f <code>AT<\/code> \uff0c\u800c <code>res<\/code> \u5c31\u662f <code>OK<\/code> \u3002<\/p>\n<pre><code class=\"C\">uint8_t esp8266_send_command(char *cmd, char *res)\n{\n    uint8_t timeOut = 250;\n\n    esp8266_clear();\n    HAL_UART_Transmit(&amp;g_uart_handle, (unsigned char *)cmd, strlen((const char *)cmd), 100);\n\n    while(timeOut--) {\n        if(esp8266_wait_receive() == ESP8266_EOK) {                        \/\/\u5982\u679c\u6536\u5230\u6570\u636e\n            if(strstr((const char *)g_uart_rx_buf, res) != NULL)        \/\/\u5982\u679c\u68c0\u7d22\u5230\u5173\u952e\u8bcd\n                return ESP8266_EOK;\n        }\n        delay_ms(10);\n    }\n\n    return ESP8266_ERROR;\n}<\/code><\/pre>\n<h3>3.4 AT\u6307\u4ee4\u4ea4\u4e92<\/h3>\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u4f7f\u7528 <code>esp8266_send_command<\/code> \u53d1\u9001 AT \u6307\u4ee4\u5e76\u786e\u5b9a ESP8266 \u56de\u590d\u662f\u5426\u6b63\u786e\u3002\u4ee5\u4ee3\u7801\u65b9\u5f0f\u5b9e\u73b0\u5404\u4e2a AT \u6307\u4ee4\uff0c\u4f8b\u5b50\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"C\">uint8_t esp8266_at_test(void)\n{\n    return esp8266_send_command(&quot;AT\/r\/n&quot;, &quot;OK&quot;);\n}\n\nuint8_t esp8266_sw_reset(void)\n{\n    return esp8266_send_command(&quot;AT+RST\/r\/n&quot;, &quot;OK&quot;);\n}\n\nuint8_t esp8266_set_mode(uint8_t mode)\n{\n    switch (mode) {\n        case ESP8266_STA_MODE:\n            return esp8266_send_command(&quot;AT+CWMODE=1\/r\/n&quot;, &quot;OK&quot;);    \/* Station\u6a21\u5f0f *\/\n        \n        case ESP8266_AP_MODE:\n            return esp8266_send_command(&quot;AT+CWMODE=2\/r\/n&quot;, &quot;OK&quot;);    \/* AP\u6a21\u5f0f *\/\n        \n        case ESP8266_STA_AP_MODE:\n            return esp8266_send_command(&quot;AT+CWMODE=3\/r\/n&quot;, &quot;OK&quot;);    \/* AP+Station\u6a21\u5f0f *\/\n        \n        default:\n            return ESP8266_EINVAL;\n    }\n}<\/code><\/pre>\n<p>\u7531\u4e8e AT \u6307\u4ee4\u6709\u5f88\u591a\uff0c\u8fd9\u91cc\u53ea\u622a\u53d6\u4e86\u5176\u4e2d\u7684\u4e00\u90e8\u5206\uff0c\u5b8c\u6574\u7684\u53ef\u4ee5\u53c2\u8003\u6211\u63d0\u4f9b\u7684\u4ee3\u7801\u3002<\/p>\n<h3>3.5 \u5b9e\u73b0STA\u6a21\u5f0f<\/h3>\n<p>STA \u6a21\u5f0f\u5b9e\u73b0\u601d\u8def\u5982\u4e0b\uff1a<\/p>\n<ol>\n<li>\u8fdb\u5165 STA \u6a21\u5f0f\uff08\u8981\u91cd\u542f\u751f\u6548\uff09\uff1b<\/li>\n<li>\u8bbe\u7f6e\u5355\u8def\u8fde\u63a5\uff1b<\/li>\n<li>\u8fde\u63a5 WIFI\uff08\u6ce8\u610f ESP8266 \u548c\u670d\u52a1\u7aef\u8981\u5728\u540c\u4e00\u7f51\u7edc\u5185\uff09\uff1b<\/li>\n<li>\u6d45\u67e5\u4e00\u4e0b ESP8266 \u7684 IP \u5730\u5740\uff0c\u4e0d\u67e5\u4e5f\u53ef\u4ee5\uff1b<\/li>\n<li>\u8fde\u63a5TCP\u670d\u52a1\u5668\uff1b<\/li>\n<li>\u5f00\u542f\u900f\u4f20\u3002<\/li>\n<\/ol>\n<pre><code class=\"C\">uint8_t esp8266_single_connection(void)\n{\n    return esp8266_send_command(&quot;AT+CIPMUX=0\/r\/n&quot;, &quot;OK&quot;);\n}\n\nuint8_t esp8266_join_ap(char *ssid, char *pwd)\n{\n    char cmd[64];\n    \n    sprintf(cmd, &quot;AT+CWJAP=\/&quot;%s\/&quot;,\/&quot;%s\/&quot;\/r\/n&quot;, ssid, pwd);\n    \n    return esp8266_send_command(cmd, &quot;WIFI GOT IP&quot;);\n}\n\nuint8_t esp8266_get_ip(char *buf)\n{\n    char *p_start;\n    char *p_end;\n\n    if (esp8266_send_command(&quot;AT+CIFSR\/r\/n&quot;, &quot;STAIP&quot;) != ESP8266_EOK)\n        return ESP8266_ERROR;\n\n    p_start = strstr((const char *)g_uart_rx_buf, &quot;\/&quot;&quot;);\n    p_end = strstr(p_start + 1, &quot;\/&quot;&quot;);\n    *p_end = '\/0';\n    sprintf(buf, &quot;%s&quot;, p_start + 1);\n    \n    return ESP8266_EOK;\n}\n\nuint8_t esp8266_connect_tcp_server(char *server_ip, char *server_port)\n{\n    char cmd[64];\n\n    sprintf(cmd, &quot;AT+CIPSTART=\/&quot;TCP\/&quot;,\/&quot;%s\/&quot;,%s\/r\/n&quot;, server_ip, server_port);\n\n    return esp8266_send_command(cmd, &quot;CONNECT&quot;);\n}\n\nuint8_t esp8266_enter_unvarnished(void)\n{\n    uint8_t ret;\n    \n    ret  = esp8266_send_command(&quot;AT+CIPMODE=1\/r\/n&quot;, &quot;OK&quot;);\n    ret += esp8266_send_command(&quot;AT+CIPSEND\/r\/n&quot;, &quot;&gt;&quot;);\n    if (ret == ESP8266_EOK)\n        return ESP8266_EOK;\n    else\n        return ESP8266_ERROR;\n}\n\n\/**\n * @brief       ESP8266\u521d\u59cb\u5316\n * @param       baudrate: ESP8266 UART\u901a\u8baf\u6ce2\u7279\u7387\n * @retval      ESP8266_EOK  : ESP8266\u521d\u59cb\u5316\u6210\u529f\uff0c\u51fd\u6570\u6267\u884c\u6210\u529f\n *              ESP8266_ERROR: ESP8266\u521d\u59cb\u5316\u5931\u8d25\uff0c\u51fd\u6570\u6267\u884c\u5931\u8d25\n *\/\nuint8_t esp8266_init(uint32_t baudrate)\n{\n    char ip_buf[16];\n\n    esp8266_uart_init(baudrate);                \/* ESP8266 UART\u521d\u59cb\u5316 *\/\n\n    \/* \u8ba9WIFI\u9000\u51fa\u900f\u4f20\u6a21\u5f0f *\/\n    while(esp8266_exit_unvarnished())\n        delay_ms(500);\n\n    printf(&quot;1.AT\/r\/n&quot;);\n    while(esp8266_at_test())\n        delay_ms(500);\n    \n    printf(&quot;2.RST\/r\/n&quot;);\n    while(esp8266_sw_reset())\n        delay_ms(500);\n    while(esp8266_disconnect_tcp_server())\n        delay_ms(500);\n    \n    printf(&quot;3.CWMODE\/r\/n&quot;);\n    while(esp8266_set_mode(ESP8266_STA_MODE))\n        delay_ms(500);\n    \n    printf(&quot;4.AT+CIPMUX\/r\/n&quot;);  \/\/\u8bbe\u7f6e\u5355\u8def\u8fde\u63a5\u6a21\u5f0f\uff0c\u900f\u4f20\u53ea\u80fd\u4f7f\u7528\u6b64\u6a21\u5f0f\n    while(esp8266_multi_connection())\n        delay_ms(500);\n    \n    printf(&quot;5.CWJAP\/r\/n&quot;);      \/\/\u8fde\u63a5WIFI\n    printf(&quot;%s\/r\/n&quot;,WIFI_SSID); \n    while(esp8266_join_ap(WIFI_SSID, WIFI_PWD))\n        delay_ms(1000);\n    \n    printf(&quot;6.CIFSR\/r\/n&quot;);\n    while(esp8266_get_ip(ip_buf))\n        delay_ms(500);\n\n    printf(&quot;ESP8266 IP: %s\/r\/n&quot;, ip_buf);\n    \n    printf(&quot;7.CIPSTART\/r\/n&quot;);\n    while(esp8266_connect_tcp_server(TCP_SERVER_IP, TCP_SERVER_PORT))\n        delay_ms(500);\n    \n    printf(&quot;8.CIPMODE\/r\/n&quot;);\n    while(esp8266_enter_unvarnished())\n        delay_ms(500);\n    \n    printf(&quot;ESP8266\u521d\u59cb\u5316\u5b8c\u6210\/r\/n&quot;);\n    return ESP8266_EOK;\n}<\/code><\/pre>\n<h3>3.6 LED\u63a7\u5236<\/h3>\n<p>\u68c0\u6d4bWIFI\u4e32\u53e3\u662f\u5426\u63a5\u6536\u5230 LED \u5173\u952e\u8bcd\uff0c\u5982\u679c\u6709\u5c31\u53cd\u8f6c LED \u706f\u72b6\u6001\u3002<\/p>\n<pre><code class=\"c\">void control_led()\n{\n    if(strstr((const char *)bt_uart_rx_buf, &quot;green&quot;) != NULL)           \/\/\u5982\u679c\u63a5\u6536\u5230\u5173\u952e\u8bcd&quot;green&quot;\n        LED1_TOGGLE();                                                  \/\/ \u7ffb\u8f6cLED1\n    if(strstr((const char *)bt_uart_rx_buf, &quot;yellow&quot;) != NULL)          \/\/\u5982\u679c\u63a5\u6536\u5230\u5173\u952e\u8bcd&quot;yellow&quot;\n        LED2_TOGGLE();                                                  \/\/ \u7ffb\u8f6cLED2\n    if(strstr((const char *)bt_uart_rx_buf, &quot;red&quot;) != NULL)             \/\/\u5982\u679c\u63a5\u6536\u5230\u5173\u952e\u8bcd&quot;red&quot;\n        LED3_TOGGLE();                                                  \/\/ \u7ffb\u8f6cLED3\n}<\/code><\/pre>\n<h3>3.7 \u4e3b\u51fd\u6570<\/h3>\n<p>\u5728 main \u51fd\u6570\u91cc\uff0c\u6211\u4eec\u5148\u8c03\u7528 <code>led_init()<\/code> \u51fd\u6570\u548c <code>esp8266_init(115200)<\/code> \u51fd\u6570\u8fdb\u884c LED \u548cESP8266 \u7684\u521d\u59cb\u5316\uff0c\u7136\u540e\u5728\u539f\u6709\u901a\u8baf\u7684\u57fa\u7840\u4e0a\u68c0\u6d4b LED \u5173\u952e\u8bcd\u3002<\/p>\n<pre><code class=\"c\">int main(void)\n{\n    HAL_Init();                                 \/* \u521d\u59cb\u5316HAL\u5e93 *\/\n    sys_stm32_clock_init(RCC_PLL_MUL9);         \/* \u8bbe\u7f6e\u65f6\u949f,72M *\/\n    delay_init(72);                             \/* \u521d\u59cb\u5316\u5ef6\u65f6\u51fd\u6570 *\/\n    usart_init(115200);                         \/* \u6ce2\u7279\u7387\u8bbe\u4e3a115200 *\/\n    led_init();\n    esp8266_init(115200);\n\n    while(1)\n    {\n        printf(&quot;receive: %s\/r\/n&quot;, g_uart_rx_buf);\n        control_led();\n        esp8266_clear();\n        esp8266_uart_printf(&quot;from client\/r\/n&quot;);\n        HAL_Delay(1000);\n    }\n}<\/code><\/pre>\n<h2>4. \u8fd0\u884c\u8fc7\u7a0b<\/h2>\n<ol>\n<li>\u5c06\u786c\u4ef6\u8fde\u597d\uff0c\u63d2\u5230\u7535\u8111 USB \u53e3\u3002<\/li>\n<li>\u6253\u5f00\u7f51\u7edc\u8c03\u8bd5\u52a9\u624b\u3002\u534f\u8bae\u9009 TCP Server\uff0c\u672c\u673a\u4e3b\u673a\u5730\u5740\u662f\u81ea\u52a8\u8bc6\u522b\u7684\uff0c\u7aef\u53e3\u53f7\u90098080\uff0c\u70b9\u51fb\u6253\u5f00\u3002<\/li>\n<li>\u6253\u5f00\u7535\u8111\u4e32\u53e3\u8f6f\u4ef6\u3002\u8bbe\u7f6e\u4e32\u53e3\u52a9\u624b\u6ce2\u7279\u7387 115200\uff08\u4f60\u4eec\u4e0d\u4e00\u5b9a\u8981\u7528\u6211\u8fd9\u6b3e\uff0c\u968f\u4fbf\u7684\u4e32\u53e3\u52a9\u624b\u90fd\u53ef\u4ee5\uff09\uff0c\u9009\u62e9\u4e32\u53e3\u53f7\uff0c\u6700\u540e\u6253\u5f00\u4e32\u53e3\u5f00\u59cb\u51c6\u5907\u63a5\u6536\u6570\u636e\u3002<\/li>\n<\/ol>\n<p>\u8fd9\u4e2a\u4e32\u53e3\u5de5\u5177\u63a5\u6536\u7684\u662f MCU \u4e32\u53e3 1 \u7684\u6570\u636e\uff0c\u4e5f\u5c31\u662f log \u3002WIFI\u63a5\u6536\u5230\u6570\u636e\u540e\uff0c\u6211\u4eec\u4f7f\u7528\u4e32\u53e3 1 \u6253\u5370\u5230\u4e0b\u9762\u7684\u4e32\u53e3\u52a9\u624b\u91cc\u3002<\/p>\n<p>\u70e7\u5f55\u4ee3\u7801\uff0c\u4e32\u53e3\u8f93\u51fa\u5982\u4e0b\u3002<\/p>\n<p>\u6211\u4eec\u7ed9 WIFI \u6a21\u5757\u53d1\u9001\u6570\u636e\u300cgreen\u300d\u3001\u300cyellow\u300d\u3001\u300cred\u300d\u3002<\/p>\n<p>\u53ef\u4ee5\u770b\u5230\u4e32\u53e3\u52a9\u624b\u6210\u529f\u63a5\u6536\u5230\u4e86 \u300cgreen\u300d\u3001\u300cyellow\u300d\u3001\u300cred\u300d\u8fd9\u4e9b\u6570\u636e\u3002<\/p>\n<p><img decoding=\"async\" width=\"723\" height=\"384\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdfebg\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u6211\u4eec\u7684\u4e09\u4e2a\u5c0f\u706f\u4e5f\u6253\u5f00\u4e86\u3002\uff08\u6211\u7684\u5c0f\u7eff\u706f\u4e0d\u662f\u5f88\u4eae\uff0c\u7528\u65e7\u4e86\uff0c\u563b\u563b\uff09<\/p>\n<p>\u518d\u6b21\u53d1\u9001\u5173\u952e\u8bcd\u5373\u53ef\u5173\u5bf9\u5e94\u7684\u706f\u3002\u5f53\u7136\uff0c\u4e00\u6b21\u53d1\u9001 \u201cgreen yellow red\u201d\uff0c\u5c31\u53ef\u4ee5\u63a7\u5236\u4e09\u4e2a\u5c0f\u706f\u4e00\u8d77\u53cd\u8f6c\u3002<\/p>\n<p><img decoding=\"async\" width=\"723\" height=\"578\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdfebh\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<h2>5. \u603b\u7ed3<\/h2>\n<h2>\u795d\u8d3a\u5927\u5bb6\u6210\u529f\u70b9\u706f\uff01\u5f53\u7136\uff0c\u9664\u4e86\u63a7\u5236\u706f\u7684\u5f00\u5173\uff0cWIFI \u6a21\u5757\u8fd8\u53ef\u4ee5\u5e94\u7528\u4e8e\u66f4\u5e7f\u6cdb\u7684\u573a\u666f\uff0c\u5982\u4e2a\u4eba\u7535\u5b50\u8bbe\u5907\u3001\u667a\u80fd\u5bb6\u5c45\u63a7\u5236\u3001\u5065\u5eb7\u533b\u7597\u8bbe\u5907\u7b49\u7b49\u3002\u968f\u7740\u6280\u672f\u7684\u4e0d\u65ad\u8fdb\u6b65\uff0cWIFI \u6280\u672f\u5c06\u6301\u7eed\u6f14\u8fdb\uff0c\u5e76\u5728\u66f4\u591a\u9886\u57df\u53d1\u6325\u4f5c\u7528\u3002\u5e0c\u671b\u672c\u6587\u80fd\u591f\u4e3a\u4f60\u63d0\u4f9b\u4e86\u4e00\u4e2a\u521d\u6b65\u7684\u4e86\u89e3\uff0c\u5e76\u6fc0\u53d1\u4f60\u8fdb\u4e00\u6b65\u6df1\u5165\u7814\u7a76\u548c\u5e94\u7528 WIFI \u6280\u672f\u7684\u5174\u8da3\u3002\u611f\u8c22\u5404\u4f4d\u770b\u5b98\uff0clove and peace\uff01<\/h2>\n<p><strong>\u53e6\u5916\uff0c\u60f3\u8fdb\u5927\u5382\u7684\u540c\u5b66\uff0c\u4e00\u5b9a\u8981\u597d\u597d\u5b66\u7b97\u6cd5\uff0c\u8fd9\u662f\u9762\u8bd5\u5fc5\u5907\u7684\u3002\u8fd9\u91cc\u51c6\u5907\u4e86\u4e00\u4efd BAT \u5927\u4f6c\u603b\u7ed3\u7684 LeetCode \u5237\u9898\u5b9d\u5178\uff0c\u5f88\u591a\u4eba\u9760\u5b83\u4eec\u8fdb\u4e86\u5927\u5382\u3002<\/strong><\/p>\n<p><img decoding=\"async\" width=\"286\" height=\"83\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdaCCY\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p><a href=\"https:\/\/link.segmentfault.com\/?enc=rs8Mm03k1h6bINn47lDLSQ%3D%3D.FKeryqy7jW0pi2IXeiPLbRtOLlsIqyhLtR%2FsSNREdmONaSixek6yrUmAF1xvjqiq\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">\u5237\u9898 | LeetCode\u7b97\u6cd5\u5237\u9898\u795e\u5668\uff0c\u770b\u5b8c BAT \u968f\u4f60\u6311\uff01<\/a><\/p>\n<h3>\u6709\u6536\u83b7\uff1f\u5e0c\u671b\u8001\u94c1\u4eec\u6765\u4e2a\u4e09\u8fde\u51fb\uff0c\u7ed9\u66f4\u591a\u7684\u4eba\u770b\u5230\u8fd9\u7bc7\u6587\u7ae0<\/h3>\n<p><strong>\u63a8\u8350\u9605\u8bfb\uff1a<\/strong><\/p>\n<ul>\n<li><a href=\"https:\/\/link.segmentfault.com\/?enc=gJ8yJOXc30Zz7hZZIRbhPQ%3D%3D.AJ7mH8fqC%2F8OFpNPgmX0yAIN%2FHOG%2Bn2P9M7%2FCVj8Hv%2BSZT2I8f7GZkLOY4ToowpO\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">\u7a0b\u5e8f\u5458\u5fc5\u5907\u7f16\u7a0b\u8d44\u6599\u5927\u5168<\/a><\/li>\n<li><a href=\"https:\/\/link.segmentfault.com\/?enc=9P%2F5wnYepOPcnI%2FtKMBI5Q%3D%3D.PEk4G2n2t1DF%2FvBAIVfQnsxPjQ9NV%2BAJHepSS5p%2BbTuy47PoVLJHOPhxoQabEO%2Fj\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">\u7a0b\u5e8f\u5458\u5fc5\u5907\u8f6f\u4ef6\u8d44\u6e90<\/a><\/li>\n<\/ul>\n<p>\u6b22\u8fce\u5173\u6ce8\u6211\u7684\u535a\u5ba2\uff1a<a href=\"https:\/\/link.segmentfault.com\/?enc=%2FuPplWpCqiNBwNxSJ%2FTLWw%3D%3D.yJ4%2Fz%2BgpbZoo%2FRTLUK7AoJgsPJWnUc%2Blhj%2FF3ze7kCs%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">\u826f\u8bb8\u5d4c\u5165\u5f0f\u6559\u7a0b\u7f51<\/a>\uff0c\u6ee1\u6ee1\u90fd\u662f\u5e72\u8d27\uff01<\/p>\n<p><a href=\"https:\/\/segmentfault.com\/a\/1190000045536094\">https:\/\/segmentfault.com\/a\/1190000045536094<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u4e4b\u524d\u7684\u6559\u7a0b\u4e2d\uff0c\u6211\u4eec\u5b66\u4e60\u4e86 ESP6266 \u7684\u539f\u7406\uff0c\u5e76\u52a8\u624b\u5199\u4e86\u9a71\u52a8\uff0c\u5b9e\u73b0\u4e86\u4e32\u53e3\u7684\u901a\u8baf\u548c STA\u3001AP\u3001STA+ 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