\n ESP32 \u4e0d\u662f\u5355\u9897\u82af\u7247\u7684\u4ee3\u79f0，\u800c\u662f\u4e00\u4e2a\u6301\u7eed\u6f14\u8fdb\u7684\u7cfb\u7edf\u7ea7\u82af\u7247（SoC）\u4ea7\u54c1\u5bb6\u65cf\u3002\u5176\u6838\u5fc3\u4ef7\u503c\u4e0d\u5728\u4e8e\u67d0\u9879\u5b64\u7acb\u53c2\u6570\u7684\u5cf0\u503c\u8868\u73b0，\u800c\u5728\u4e8e\u5c06\u8ba1\u7b97\u3001\u5b58\u50a8\u3001\u65e0\u7ebf\u901a\u4fe1\u3001\u6a21\u62df\u5916\u8bbe\u4e0e\u7535\u6e90\u7ba1\u7406\u7b49\u5173\u952e\u80fd\u529b，\u5728\u6781\u5c0f\u7269\u7406\u5c3a\u5bf8\u548c\u6781\u4f4e\u529f\u8017\u7ea6\u675f\u4e0b，\u8fdb\u884c\u9ad8\u5ea6\u96c6\u6210\u4e0e\u534f\u540c\u4f18\u5316\u3002\u8fd9\u79cd\u96c6\u6210\u4e0d\u662f\u529f\u80fd\u7684\u7b80\u5355\u5806\u780c，\u800c\u662f\u9762\u5411\u7269\u8054\u7f51\u7ec8\u7aef\u8bbe\u5907\u771f\u5b9e\u5de5\u4f5c\u573a\u666f\u7684\u6df1\u5ea6\u5b9a\u5236\u3002\n<\/p>\n
\n \u5728\u5de5\u7a0b\u5b9e\u8df5\u4e2d，\u7406\u89e3 ESP32 \u5fc5\u987b\u8df3\u51fa\u201cMCU\u201d\u7684\u4f20\u7edf\u8ba4\u77e5\u6846\u67b6\u3002\u5b83\u672c\u8d28\u4e0a\u662f\u4e00\u53f0\u5fae\u578b\u5d4c\u5165\u5f0f\u8ba1\u7b97\u673a：\u53cc\u6838 Xtensa LX6 \u5904\u7406\u5668\u63d0\u4f9b\u786e\u5b9a\u6027\u5b9e\u65f6\u4efb\u52a1\u8c03\u5ea6\u80fd\u529b；\u5185\u7f6e\u7684 ROM \u548c SRAM \u6784\u6210\u72ec\u7acb\u8fd0\u884c\u73af\u5883；WiFi \u548c Bluetooth\/BLE \u57fa\u5e26\u4e0e\u534f\u8bae\u6808\u56fa\u5316\u4e8e\u786c\u4ef6\u52a0\u901f\u5355\u5143\u4e2d，\u4f7f\u65e0\u7ebf\u8fde\u63a5\u4e0d\u518d\u662f\u8f6f\u4ef6\u8d1f\u62c5，\u800c\u662f\u53ef\u88ab\u539f\u5b50\u5316\u8c03\u7528\u7684\u7cfb\u7edf\u670d\u52a1\u3002\u8fd9\u610f\u5473\u7740，\u5f53\u5de5\u7a0b\u5e08\u5728\u4ee3\u7801\u4e2d\u8c03\u7528<\/p>\n
WiFi.begin()<\/p>\n
\u65f6，\u5b9e\u9645\u89e6\u53d1\u7684\u662f\u4e00\u4e2a\u8de8\u8d8a\u786c\u4ef6\u57fa\u5e26\u3001\u56fa\u4ef6\u534f\u8bae\u6808\u3001RTOS \u4efb\u52a1\u8c03\u5ea6\u4e0e\u7528\u6237\u5e94\u7528\u5c42\u7684\u5b8c\u6574\u670d\u52a1\u94fe\u8def\u3002\u8fd9\u79cd\u8f6f\u786c\u534f\u540c\u7684\u67b6\u6784，\u51b3\u5b9a\u4e86 ESP32 \u7684\u5f00\u53d1\u8303\u5f0f\u5fc5\u987b\u540c\u65f6\u517c\u987e\u5e95\u5c42\u5bc4\u5b58\u5668\u64cd\u4f5c\u7684\u7cbe\u786e\u6027\u4e0e\u4e0a\u5c42\u670d\u52a1\u62bd\u8c61\u7684\u4fbf\u6377\u6027\u3002\n<\/p>\n
\n ESP32 \u7684\u5f00\u53d1\u751f\u6001\u5e76\u975e\u65e0\u5e8f\u62fc\u51d1，\u800c\u662f\u5448\u73b0\u51fa\u6e05\u6670\u7684\u4e09\u5c42\u67b6\u6784：<\/p>\n
\u786c\u4ef6\u62bd\u8c61\u5c42（HAL）\u3001\u8fd0\u884c\u65f6\u6846\u67b6\u5c42（Framework）\u3001\u5e94\u7528\u63a5\u53e3\u5c42（API）<\/p>\n
\u3002\u6bcf\u4e00\u5c42\u90fd\u670d\u52a1\u4e8e\u4e0d\u540c\u7684\u5de5\u7a0b\u76ee\u6807，\u5f00\u53d1\u8005\u9700\u6839\u636e\u9879\u76ee\u9636\u6bb5\u4e0e\u56e2\u961f\u80fd\u529b\u8fdb\u884c\u7406\u6027\u9009\u62e9\u3002\n<\/p>\n
\n ESP-IDF \u662f\u4e50\u946b\u5b98\u65b9\u63d0\u4f9b\u7684 C\/C++ \u5f00\u53d1\u6846\u67b6，\u5176\u8bbe\u8ba1\u54f2\u5b66\u662f\u201c\u5168\u6808\u638c\u63a7\u201d\u3002\u5b83\u76f4\u63a5\u6620\u5c04\u82af\u7247\u786c\u4ef6\u8d44\u6e90，\u63d0\u4f9b\u5bf9\u6bcf\u4e2a\u5916\u8bbe\u5bc4\u5b58\u5668\u3001\u4e2d\u65ad\u5411\u91cf\u3001\u5185\u5b58\u533a\u57df\u7684\u7cbe\u7ec6\u63a7\u5236\u3002\u4f8b\u5982，\u914d\u7f6e UART \u63a5\u6536\u4e2d\u65ad\u65f6，\u5f00\u53d1\u8005\u9700\u624b\u52a8\u8bbe\u7f6e<\/p>\n
UART_INTR_RXFIFO_FULL<\/p>\n
\u4e2d\u65ad\u6e90\u3001\u914d\u7f6e<\/p>\n
uart_isr_register()<\/p>\n
\u6ce8\u518c\u670d\u52a1\u51fd\u6570\u3001\u5728 ISR \u4e2d\u8c03\u7528<\/p>\n
uart_read_bytes()<\/p>\n
\u6e05\u7a7a FIFO，\u5e76\u901a\u8fc7<\/p>\n
xQueueSendFromISR()<\/p>\n
\u5c06\u6570\u636e\u63a8\u5165 FreeRTOS \u961f\u5217\u3002\u8fd9\u4e00\u8fc7\u7a0b\u867d\u663e\u7e41\u590d，\u5374\u8d4b\u4e88\u4e86\u5f00\u53d1\u8005\u5bf9\u65f6\u5e8f\u3001\u5185\u5b58\u5360\u7528\u4e0e\u4e2d\u65ad\u5ef6\u8fdf\u7684\u7edd\u5bf9\u8bdd\u8bed\u6743\u3002\u5728\u5de5\u4e1a\u4f20\u611f\u5668\u8282\u70b9\u8981\u6c42\u5fae\u79d2\u7ea7\u54cd\u5e94\u3001\u6216\u97f3\u9891\u6d41\u5904\u7406\u9700\u4e25\u683c\u4fdd\u8bc1 DMA \u4f20\u8f93\u5e26\u5bbd\u7684\u573a\u666f\u4e0b，ESP-IDF \u662f\u552f\u4e00\u53ef\u884c\u7684\u9009\u62e9\u3002\n<\/p>\n
\n Arduino-ESP32 \u6838\u5fc3\u5305\u5e76\u975e\u5bf9 ESP-IDF \u7684\u7b80\u5355\u5c01\u88c5，\u800c\u662f\u4e00\u5957\u7ecf\u8fc7\u5de5\u7a0b\u9a8c\u8bc1\u7684\u201c\u80fd\u529b\u88c1\u526a\u4e0e\u6a21\u5f0f\u56fa\u5316\u201d\u4e2d\u95f4\u4ef6\u3002\u5b83\u5c06 ESP-IDF \u5e9e\u6742\u7684 API \u91cd\u6784\u4e3a\u7b26\u5408 Arduino \u8303\u5f0f\u7684<\/p>\n
setup()<\/p>\n
\/<\/p>\n
loop()<\/p>\n
\u6a21\u578b，\u5e76\u9884\u7f6e\u4e86\u5927\u91cf\u7ecf\u8fc7\u538b\u529b\u6d4b\u8bd5\u7684\u9a71\u52a8\u5e93\u3002\u4ee5 WiFi \u8fde\u63a5\u4e3a\u4f8b，<\/p>\n
WiFi.begin(ssid, password)<\/p>\n
\u4e00\u884c\u4ee3\u7801\u80cc\u540e，\u662f\u81ea\u52a8\u5b8c\u6210\u7684 RF \u6821\u51c6\u3001\u4fe1\u9053\u626b\u63cf\u3001WPA2 \u63e1\u624b\u3001DHCP \u83b7\u53d6 IP\u3001DNS \u521d\u59cb\u5316\u7b49\u4e00\u7cfb\u5217\u590d\u6742\u6d41\u7a0b\u3002\u8fd9\u79cd\u62bd\u8c61\u6781\u5927\u964d\u4f4e\u4e86\u521d\u5b66\u8005\u7684\u8ba4\u77e5\u8d1f\u8377，\u66f4\u91cd\u8981\u7684\u662f，\u5b83\u7edf\u4e00\u4e86\u786c\u4ef6\u5dee\u5f02\u2014\u2014\u540c\u4e00\u4efd<\/p>\n
#include <WiFi.h><\/p>\n
\u4ee3\u7801，\u53ef\u5728 ESP32-WROOM-32\u3001ESP32-S3-DevKitC\u3001\u751a\u81f3 ESP32-C3-DevKitM \u4e0a\u65e0\u7f1d\u7f16\u8bd1\u8fd0\u884c\u3002\u5728\u5feb\u901f\u539f\u578b\u9a8c\u8bc1\u3001\u6559\u80b2\u5b9e\u9a8c\u6216\u4e2d\u5c0f\u89c4\u6a21\u91cf\u4ea7\u9879\u76ee\u4e2d，\u8fd9\u79cd\u201c\u4e00\u6b21\u7f16\u5199，\u591a\u5e73\u53f0\u90e8\u7f72\u201d\u7684\u80fd\u529b，\u76f4\u63a5\u8f6c\u5316\u4e3a\u7814\u53d1\u5468\u671f\u4e0e\u4eba\u529b\u6210\u672c\u7684\u663e\u8457\u964d\u4f4e\u3002\n<\/p>\n
\n MicroPython \u5728 ESP32 \u4e0a\u7684\u5b9e\u73b0，\u63d0\u4f9b\u4e86\u4e00\u79cd\u8fe5\u5f02\u4e8e\u4f20\u7edf\u5d4c\u5165\u5f0f\u5f00\u53d1\u7684\u4ea4\u4e92\u8303\u5f0f\u3002\u5b83\u901a\u8fc7\u5b57\u8282\u7801\u89e3\u91ca\u5668\u5728 MCU \u4e0a\u6784\u5efa\u4e86\u4e00\u4e2a\u52a8\u6001\u6267\u884c\u73af\u5883，\u4f7f<\/p>\n
import network; sta_if = network.WLAN(network.STA_IF)<\/p>\n
\u8fd9\u6837\u7684\u8bed\u53e5\u80fd\u5373\u65f6\u751f\u6548\u3002\u8fd9\u79cd\u80fd\u529b\u5728\u8bbe\u5907\u73b0\u573a\u8c03\u8bd5\u4e2d\u4ef7\u503c\u5de8\u5927：\u5f53\u4e00\u4e2a\u90e8\u7f72\u5728\u519c\u7530\u4e2d\u7684\u571f\u58e4\u6e7f\u5ea6\u76d1\u6d4b\u8282\u70b9\u51fa\u73b0\u7f51\u7edc\u5f02\u5e38\u65f6，\u5de5\u7a0b\u5e08\u53ef\u901a\u8fc7\u4e32\u53e3 REPL \u76f4\u63a5\u6267\u884c\u8bca\u65ad\u547d\u4ee4，\u67e5\u770b RSSI \u503c\u3001\u91cd\u7f6e WiFi \u72b6\u6001\u673a，\u751a\u81f3\u70ed\u66f4\u65b0\u914d\u7f6e\u6587\u4ef6，\u800c\u65e0\u9700\u91cd\u65b0\u7f16\u8bd1\u70e7\u5f55\u56fa\u4ef6\u3002\u4f46\u5fc5\u987b\u6e05\u9192\u8ba4\u8bc6\u5230，\u5176\u8fd0\u884c\u65f6\u5f00\u9500（\u7ea6 200KB RAM \u5360\u7528）\u4e0e\u975e\u786e\u5b9a\u6027\u5ef6\u8fdf（GC \u89e6\u53d1\u4e0d\u53ef\u9884\u6d4b），\u4f7f\u5176\u5929\u7136\u4e0d\u9002\u5408\u5bf9\u5b9e\u65f6\u6027\u6216\u8d44\u6e90\u6781\u5ea6\u654f\u611f\u7684\u573a\u666f\u3002\n<\/p>\n
\n \u672c\u6559\u7a0b\u9009\u7528\u7684\u5fae\u96ea ESP32-S3-ZERO Mini \u5f00\u53d1\u677f，\u5176\u8bbe\u8ba1\u4f53\u73b0\u4e86\u5bf9\u5165\u95e8\u8005\u4e0e\u8fdb\u9636\u8005\u53cc\u91cd\u9700\u6c42\u7684\u7cbe\u51c6\u5e73\u8861\u3002\u5176\u786c\u4ef6\u67b6\u6784\u53ef\u5206\u89e3\u4e3a\u56db\u4e2a\u5173\u952e\u5b50\u7cfb\u7edf：\n<\/p>\n
\n \u8be5\u677f\u642d\u8f7d\u7684 ESP32-S3 \u82af\u7247，\u76f8\u8f83\u4e8e\u7ecf\u5178 ESP32，\u5176\u6838\u5fc3\u5347\u7ea7\u5728\u4e8e CPU \u67b6\u6784\u4e0e AI \u52a0\u901f\u80fd\u529b\u3002\u5b83\u91c7\u7528\u53cc\u6838 Xtensa LX7 \u5904\u7406\u5668，\u4e3b\u9891\u63d0\u5347\u81f3 240MHz，\u5e76\u96c6\u6210\u4e86\u7528\u4e8e\u795e\u7ecf\u7f51\u7edc\u63a8\u7406\u7684 Vector Floating Point Unit（VFPU）\u4e0e Ultra-Low-Power Co-processor（ULP）\u3002\u5728\u786c\u4ef6\u5c42\u9762，\u8fd9\u4f53\u73b0\u4e3a\u82af\u7247\u5c01\u88c5\u5185\u65b0\u589e\u7684<\/p>\n
GPIO39<\/p>\n
\u81f3<\/p>\n
GPIO42<\/p>\n
\u5171 4 \u4e2a\u4e13\u7528 ULP GPIO \u5f15\u811a，\u4ee5\u53ca<\/p>\n
VDD_SPI<\/p>\n
\u4e0e<\/p>\n
VDD_3P3<\/p>\n
\u4e24\u4e2a\u72ec\u7acb\u4f9b\u7535\u57df\u3002\u8fd9\u610f\u5473\u7740，\u5f53\u5de5\u7a0b\u5e08\u9700\u8981\u5b9e\u73b0\u201c\u4eba\u4f53\u7ea2\u5916\u611f\u5e94+\u672c\u5730\u4eba\u8138\u8bc6\u522b\u201d\u7684\u8fb9\u7f18\u667a\u80fd\u65b9\u6848\u65f6，\u53ef\u5c06 PIR \u4f20\u611f\u5668\u63a5\u5165 ULP GPIO，\u5728\u6df1\u5ea6\u7761\u7720\u6a21\u5f0f\u4e0b\u7531\u534f\u5904\u7406\u5668\u5b8c\u6210\u4fe1\u53f7\u68c0\u6d4b；\u4e00\u65e6\u89e6\u53d1，\u518d\u5524\u9192\u4e3b\u6838\u52a0\u8f7d TensorFlow Lite Micro \u6a21\u578b\u8fdb\u884c\u8bc6\u522b\u2014\u2014\u6574\u4e2a\u8fc7\u7a0b\u7684\u529f\u8017\u4e0e\u54cd\u5e94\u65f6\u95f4，\u5747\u7531\u786c\u4ef6\u7279\u6027\u76f4\u63a5\u51b3\u5b9a，\u800c\u975e\u8f6f\u4ef6\u7b97\u6cd5\u4f18\u52a3\u3002\n<\/p>\n
\n \u5f00\u53d1\u677f\u7684\u7535\u6e90\u8def\u5f84\u8bbe\u8ba1\u63ed\u793a\u4e86\u7269\u8054\u7f51\u8bbe\u5907\u7684\u5e95\u5c42\u7ea6\u675f\u3002USB \u63a5\u53e3\u8f93\u5165\u7684 5V \u7535\u538b，\u7ecf\u7531<\/p>\n
AP2112K<\/p>\n
LDO \u82af\u7247\u7a33\u538b\u4e3a 3.3V，\u4e3a\u4e3b\u63a7 SoC \u53ca\u5927\u90e8\u5206\u5916\u8bbe\u4f9b\u7535；\u800c<\/p>\n
TPS63020<\/p>\n
DC-DC \u8f6c\u6362\u5668\u5219\u8d1f\u8d23\u4e3a Flash \u5b58\u50a8\u5668\u63d0\u4f9b\u7a33\u5b9a\u7684 1.8V \u7535\u538b\u3002\u8fd9\u79cd\u5206\u79bb\u5f0f\u4f9b\u7535\u5e76\u975e\u5197\u4f59\u8bbe\u8ba1，\u800c\u662f\u4e3a\u4e86\u6ee1\u8db3 ESP32-S3 \u7684<\/p>\n
VDD_SPI<\/p>\n
\u5f15\u811a\u5728 PSRAM \u6269\u5c55\u6a21\u5f0f\u4e0b\u7684\u7279\u6b8a\u7535\u538b\u8981\u6c42\u3002\u82e5\u5ffd\u7565\u6b64\u7ec6\u8282，\u5f3a\u884c\u5c06 Flash \u4e0e SoC \u5171\u7528 3.3V \u4f9b\u7535，\u5728\u9ad8\u9891\u7387\u8bfb\u5199\u65f6\u6781\u6613\u5f15\u53d1\u603b\u7ebf\u4fe1\u53f7\u5b8c\u6574\u6027\u95ee\u9898，\u5bfc\u81f4\u56fa\u4ef6\u542f\u52a8\u5931\u8d25\u6216\u6570\u636e\u635f\u574f\u3002\u56e0\u6b64，\u5f00\u53d1\u8005\u5728\u710a\u63a5\u81ea\u5b9a\u4e49 PCB \u65f6，\u5fc5\u987b\u4e25\u683c\u53c2\u7167\u5b98\u65b9\u539f\u7406\u56fe，\u4e3a<\/p>\n
VDD_SPI<\/p>\n
\u8bbe\u7f6e\u72ec\u7acb\u7684\u6ee4\u6ce2\u7535\u5bb9\u4e0e\u7535\u6e90\u8def\u5f84\u3002\n<\/p>\n
\n \u8be5\u5f00\u53d1\u677f\u7684\u5f15\u811a\u6392\u5e03，\u662f\u82af\u7247\u5f15\u811a\u590d\u7528（Pin Mux）\u7279\u6027\u7684\u76f4\u89c2\u5448\u73b0\u3002\u4ee5<\/p>\n
GPIO21<\/p>\n
\u4e3a\u4f8b，\u5176\u5728\u82af\u7247\u5185\u90e8\u540c\u65f6\u5177\u5907<\/p>\n
UART1_TX<\/p>\n
\u3001<\/p>\n
I2S1_SD<\/p>\n
\u3001<\/p>\n
SPI3_Q<\/p>\n
\u4e09\u91cd\u529f\u80fd\u3002\u5f00\u53d1\u677f\u5c06\u5176\u5f15\u51fa\u81f3\u6392\u9488，\u4f46\u5e76\u672a\u6807\u6ce8\u6240\u6709\u529f\u80fd，\u4ec5\u9ed8\u8ba4\u6807\u8bc6\u4e3a\u901a\u7528 GPIO\u3002\u8fd9\u610f\u5473\u7740，\u5f53\u5de5\u7a0b\u5e08\u9700\u8981\u6269\u5c55 I2S \u97f3\u9891\u8f93\u51fa\u65f6，\u5fc5\u987b\u5728\u4ee3\u7801\u4e2d\u901a\u8fc7<\/p>\n
i2s_set_pin()<\/p>\n
\u663e\u5f0f\u914d\u7f6e<\/p>\n
GPIO21<\/p>\n
\u4e3a<\/p>\n
I2S1_SD<\/p>\n
\u529f\u80fd，\u5e76\u786e\u4fdd\u6b64\u65f6\u672a\u542f\u7528<\/p>\n
UART1<\/p>\n
\u6216<\/p>\n
SPI3<\/p>\n
\u3002\u8fd9\u79cd\u201c\u529f\u80fd\u5171\u4eab\u3001\u8f6f\u4ef6\u914d\u7f6e\u201d\u7684\u6a21\u5f0f，\u662f\u73b0\u4ee3 SoC \u7684\u6807\u51c6\u8bbe\u8ba1，\u5b83\u8981\u6c42\u5f00\u53d1\u8005\u5728\u786c\u4ef6\u8bbe\u8ba1\u9636\u6bb5\u5c31\u5b8c\u6210\u5f15\u811a\u529f\u80fd\u89c4\u5212，\u5e76\u5728\u8f6f\u4ef6\u521d\u59cb\u5316\u65f6\u4e25\u683c\u9075\u5faa\u529f\u80fd\u4e92\u65a5\u539f\u5219\u3002\n<\/p>\n
\n \u5f00\u53d1\u677f\u5e95\u90e8\u7684 CH340G USB-to-Serial \u82af\u7247，\u662f\u8fde\u63a5 PC \u4e0e ESP32 \u7684\u7269\u7406\u6865\u6881\u3002\u5176\u5173\u952e\u53c2\u6570\u2014\u2014<\/p>\n
12Mbps<\/p>\n
\u6700\u5927\u6ce2\u7279\u7387\u4e0e<\/p>\n
\u00b115kV ESD<\/p>\n
\u9632\u62a4\u7b49\u7ea7\u2014\u2014\u76f4\u63a5\u51b3\u5b9a\u4e86\u56fa\u4ef6\u70e7\u5f55\u901f\u5ea6\u4e0e\u73b0\u573a\u8c03\u8bd5\u53ef\u9760\u6027\u3002\u5728\u5b9e\u9a8c\u5ba4\u73af\u5883\u4e2d，\u4f7f\u7528 921600bps \u6ce2\u7279\u7387\u53ef\u5728 3 \u79d2\u5185\u5b8c\u6210 1MB \u56fa\u4ef6\u4e0b\u8f7d；\u800c\u5728\u5de5\u5382\u4ea7\u7ebf，ESD \u9632\u62a4\u80fd\u529b\u5219\u907f\u514d\u4e86\u5de5\u4eba\u9759\u7535\u653e\u7535\u5bfc\u81f4\u7684\u82af\u7247\u9501\u6b7b\u3002\u503c\u5f97\u6ce8\u610f\u7684\u662f，CH340G \u7684<\/p>\n
DTR<\/p>\n
\u4e0e<\/p>\n
RTS<\/p>\n
\u5f15\u811a\u88ab\u5de7\u5999\u8fde\u63a5\u81f3 ESP32-S3 \u7684<\/p>\n
EN<\/p>\n
\u4e0e<\/p>\n
IO0<\/p>\n
\u5f15\u811a，\u5b9e\u73b0\u4e86\u81ea\u52a8\u4e0b\u8f7d\u6a21\u5f0f\u5207\u6362：\u5f53 IDE \u53d1\u9001\u4e0b\u8f7d\u6307\u4ee4\u65f6，DTR \u7535\u5e73\u7ffb\u8f6c\u89e6\u53d1 EN \u590d\u4f4d，RTS \u7535\u5e73\u62c9\u4f4e IO0 \u8fdb\u5165\u4e0b\u8f7d\u6a21\u5f0f，\u6574\u4e2a\u8fc7\u7a0b\u65e0\u9700\u4eba\u5de5\u6309\u4f4f Boot \u6309\u94ae\u3002\u8fd9\u4e00\u8bbe\u8ba1\u7ec6\u8282，\u662f\u6570\u767e\u4e07\u6b21\u4ea7\u7ebf\u70e7\u5f55\u7ecf\u9a8c\u6c89\u6dc0\u7684\u7ed3\u679c\u3002\n<\/p>\n
\n Arduino IDE \u7684\u5b89\u88c5\u4e0e\u914d\u7f6e，\u8868\u9762\u662f\u8f6f\u4ef6\u5de5\u5177\u7684\u83b7\u53d6，\u5b9e\u5219\u662f\u6784\u5efa\u4e00\u4e2a\u53ef\u91cd\u590d\u3001\u53ef\u9a8c\u8bc1\u3001\u53ef\u534f\u4f5c\u7684\u5de5\u7a0b\u57fa\u7ebf\u3002\u4efb\u4f55\u8df3\u8fc7\u89c4\u8303\u6b65\u9aa4\u7684\u64cd\u4f5c，\u90fd\u5c06\u5728\u540e\u7eed\u9879\u76ee\u4e2d\u57cb\u4e0b\u96be\u4ee5\u6392\u67e5\u7684\u9690\u60a3\u3002\n<\/p>\n
\n \u5f3a\u5236\u8981\u6c42\u5b89\u88c5\u8def\u5f84\u4f7f\u7528\u7eaf\u82f1\u6587，\u5176\u6839\u6e90\u5728\u4e8e Windows \u6587\u4ef6\u7cfb\u7edf（NTFS）\u4e0e Arduino IDE \u5185\u90e8\u6784\u5efa\u7cfb\u7edf\u7684\u7f16\u7801\u5904\u7406\u673a\u5236\u3002IDE \u7684\u7f16\u8bd1\u811a\u672c（\u5982<\/p>\n
platform.txt<\/p>\n
\u4e2d\u5b9a\u4e49\u7684<\/p>\n
recipe.cpp.o.pattern<\/p>\n
）\u5728\u8c03\u7528 GCC \u5de5\u5177\u94fe\u65f6，\u4f1a\u5c06\u5305\u542b\u4e2d\u6587\u8def\u5f84\u7684\u5b57\u7b26\u4e32\u4f5c\u4e3a\u547d\u4ee4\u884c\u53c2\u6570\u4f20\u9012\u3002\u800c MinGW \u7248\u672c\u7684 GCC \u5728\u89e3\u6790\u547d\u4ee4\u884c\u65f6，\u5bf9 UTF-8 \u7f16\u7801\u7684\u652f\u6301\u5b58\u5728\u5386\u53f2\u7f3a\u9677，\u5f53\u8def\u5f84\u4e2d\u51fa\u73b0\u4e2d\u6587\u5b57\u7b26\u65f6，GCC \u65e0\u6cd5\u6b63\u786e\u89e3\u6790<\/p>\n
-I<\/p>\n
\u5934\u6587\u4ef6\u641c\u7d22\u8def\u5f84，\u5bfc\u81f4<\/p>\n
#include <WiFi.h><\/p>\n
\u7b49\u5173\u952e\u5934\u6587\u4ef6\u627e\u4e0d\u5230，\u7f16\u8bd1\u62a5\u9519<\/p>\n
No such file or directory<\/p>\n
\u3002\u8fd9\u4e00\u95ee\u9898\u5e76\u975e IDE Bug，\u800c\u662f\u8de8\u5e73\u53f0\u5de5\u5177\u94fe\u5728\u7279\u5b9a\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u7684\u56fa\u6709\u7ea6\u675f\u3002\u56e0\u6b64，\u201c\u7eaf\u82f1\u6587\u8def\u5f84\u201d\u4e0d\u662f\u4e00\u79cd\u5efa\u8bae，\u800c\u662f\u7ed5\u8fc7\u5e95\u5c42\u7f16\u7801\u51b2\u7a81\u7684\u5fc5\u8981\u5de5\u7a0b\u5b9e\u8df5\u3002\n<\/p>\n
\n \u5728 Arduino IDE \u7684<\/p>\n
Preferences<\/p>\n
\u4e2d\u6dfb\u52a0\u56fd\u5185\u955c\u50cf\u6e90，\u5176\u6280\u672f\u672c\u8d28\u662f\u5bf9 HTTP \u8bf7\u6c42\u4ee3\u7406\u7684\u5de5\u7a0b\u4f18\u5316\u3002\u5b98\u65b9 GitHub \u4ed3\u5e93\u7684<\/p>\n
arduino-esp32<\/p>\n
\u9879\u76ee，\u5176<\/p>\n
package_esp32_index.json<\/p>\n
\u6587\u4ef6\u4f53\u79ef\u8d85\u8fc7 2MB，\u4e14\u4f9d\u8d56\u7684 Git Submodule（\u5982<\/p>\n
esp-idf<\/p>\n
）\u9700\u4ece<\/p>\n
github.com<\/p>\n
\u4e0b\u8f7d\u3002\u5728\u56fd\u5185\u76f4\u8fde\u73af\u5883\u4e0b，DNS \u89e3\u6790\u8d85\u65f6\u3001TCP \u8fde\u63a5\u4e2d\u65ad\u3001TLS \u63e1\u624b\u5931\u8d25\u7b49\u95ee\u9898\u9891\u53d1\u3002\u5fae\u96ea\u63d0\u4f9b\u7684\u955c\u50cf\u6e90，\u901a\u8fc7\u53cd\u5411\u4ee3\u7406\u4e0e CDN \u52a0\u901f，\u5c06<\/p>\n
package_esp32_index.json<\/p>\n
\u7f13\u5b58\u4e8e\u56fd\u5185\u670d\u52a1\u5668，\u5e76\u5c06\u6240\u6709 Git Submodule \u7684 URL \u91cd\u5199\u4e3a\u955c\u50cf\u5730\u5740\u3002\u8fd9\u4f7f\u5f97<\/p>\n
Board Manager<\/p>\n
\u7684\u7d22\u5f15\u52a0\u8f7d\u65f6\u95f4\u4ece\u5e73\u5747 90 \u79d2\u7f29\u77ed\u81f3 3 \u79d2\u4ee5\u5185，\u6781\u5927\u63d0\u5347\u4e86\u5f00\u53d1\u4f53\u9a8c\u3002\u66f4\u5173\u952e\u7684\u662f，\u955c\u50cf\u6e90\u540c\u6b65\u7b56\u7565\u786e\u4fdd\u4e86\u4e0e\u5b98\u65b9\u7248\u672c\u7684\u5b8c\u5168\u4e00\u81f4\u6027\u2014\u2014\u6240\u6709 commit hash\u3001\u6587\u4ef6\u6821\u9a8c\u7801\u5747\u4e25\u683c\u5339\u914d，\u675c\u7edd\u4e86\u56e0\u955c\u50cf\u4e0d\u540c\u6b65\u5bfc\u81f4\u7684\u7248\u672c\u517c\u5bb9\u6027\u95ee\u9898\u3002\n<\/p>\n
\n \u5728<\/p>\n
Tools \u2192 Board<\/p>\n
\u83dc\u5355\u4e2d\u9009\u62e9<\/p>\n
ESP32S3 Dev Module<\/p>\n
，\u8fd9\u4e00\u64cd\u4f5c\u89e6\u53d1\u4e86 IDE \u5185\u90e8\u7684\u786c\u4ef6\u62bd\u8c61\u5c42（HAL）\u7ed1\u5b9a\u673a\u5236\u3002IDE \u4f1a\u6839\u636e\u6240\u9009\u578b\u53f7，\u81ea\u52a8\u52a0\u8f7d\u5bf9\u5e94\u7684<\/p>\n
boards.txt<\/p>\n
\u914d\u7f6e\u6587\u4ef6，\u5176\u4e2d\u5b9a\u4e49\u4e86：<\/p>\n
–<\/p>\n
upload.speed=921600<\/p>\n
：\u8bbe\u5b9a\u4e32\u53e3\u4e0b\u8f7d\u6ce2\u7279\u7387<\/p>\n
–<\/p>\n
build.mcu=esp32s3<\/p>\n
：\u6307\u5b9a\u76ee\u6807\u67b6\u6784<\/p>\n
–<\/p>\n
build.f_cpu=240000000L<\/p>\n
：\u914d\u7f6e\u4e3b\u9891\u5e38\u91cf<\/p>\n
–<\/p>\n
build.board=ESP32S3_DEV<\/p>\n
：\u5173\u8054\u677f\u7ea7\u521d\u59cb\u5316\u4ee3\u7801\n<\/p>\n
\n \u8fd9\u4e9b\u53c2\u6570\u6700\u7ec8\u88ab\u6ce8\u5165\u5230<\/p>\n
platform.txt<\/p>\n
\u7684\u7f16\u8bd1\u547d\u4ee4\u6a21\u677f\u4e2d，\u751f\u6210\u6b63\u786e\u7684 GCC \u8c03\u7528\u53c2\u6570\u3002\u82e5\u9519\u8bef\u9009\u62e9<\/p>\n
ESP32 Dev Module<\/p>\n
（\u5bf9\u5e94 ESP32-D0WDQ6），\u5219<\/p>\n
build.mcu<\/p>\n
\u5c06\u88ab\u8bbe\u4e3a<\/p>\n
esp32<\/p>\n
，\u5bfc\u81f4\u94fe\u63a5\u5668\u5c1d\u8bd5\u94fe\u63a5 ESP32 \u7684<\/p>\n
libhal.a<\/p>\n
\u5e93，\u800c\u8be5\u5e93\u4e0d\u5305\u542b ESP32-S3 \u7279\u6709\u7684<\/p>\n
ulp_riscv<\/p>\n
\u534f\u5904\u7406\u5668\u9a71\u52a8，\u5fc5\u7136\u5728\u94fe\u63a5\u9636\u6bb5\u62a5\u9519<\/p>\n
undefined reference to 'ulp_riscv_load_binary'<\/p>\n
\u3002\n<\/p>\n
\n \u6784\u5efa\u4e00\u4e2a\u80fd\u54cd\u5e94 HTTP \u8bf7\u6c42\u7684\u7f51\u9875\u670d\u52a1\u5668，\u5176\u672c\u8d28\u662f\u5c06 TCP\/IP \u534f\u8bae\u6808\u3001HTTP \u534f\u8bae\u89e3\u6790\u4e0e Web \u5185\u5bb9\u751f\u6210\u4e09\u4e2a\u5c42\u6b21\u7684\u80fd\u529b，\u5728 ESP32 \u7684\u6709\u9650\u8d44\u6e90\u4e0b\u8fdb\u884c\u9ad8\u6548\u534f\u540c\u3002Arduino \u7684<\/p>\n
WiFiServer<\/p>\n
\u7c7b，\u6b63\u662f\u5bf9\u8fd9\u4e00\u590d\u6742\u8fc7\u7a0b\u7684\u7cbe\u5999\u5c01\u88c5\u3002\n<\/p>\n
\n \u5f53\u6267\u884c<\/p>\n
server.begin()<\/p>\n
\u65f6，\u4ee3\u7801\u6d41\u7a0b\u5982\u4e0b：<\/p>\n
1.<\/p>\n
WiFiServer<\/p>\n
\u5bf9\u8c61\u8c03\u7528<\/p>\n
tcp_server_init()<\/p>\n
，\u5728 ESP-IDF \u5c42\u521b\u5efa\u4e00\u4e2a<\/p>\n
tcpip_adapter_ip_info_t<\/p>\n
\u7ed3\u6784\u4f53，\u914d\u7f6e\u76d1\u542c\u7aef\u53e3（\u9ed8\u8ba4 80）<\/p>\n
2. \u8c03\u7528<\/p>\n
esp_netif_create_default_wifi_ap()<\/p>\n
\u521d\u59cb\u5316\u7f51\u7edc\u63a5\u53e3，\u5206\u914d<\/p>\n
192.168.4.1<\/p>\n
\u7684 SoftAP IP<\/p>\n
3. \u901a\u8fc7<\/p>\n
esp_wifi_start()<\/p>\n
\u542f\u52a8 WiFi \u6a21\u5757，\u5176\u5185\u90e8\u7684\u786c\u4ef6 MAC \u63a7\u5236\u5668\u5f00\u59cb\u76d1\u542c 80 \u7aef\u53e3\u7684 SYN \u6570\u636e\u5305<\/p>\n
4. \u5f53\u624b\u673a\u6d4f\u89c8\u5668\u53d1\u9001 SYN \u5305\u65f6，ESP32 \u7684 WiFi \u57fa\u5e26\u786c\u4ef6\u76f4\u63a5\u6355\u83b7\u5e76\u89e3\u6790，\u89e6\u53d1<\/p>\n
wifi_event_handler()<\/p>\n
\u4e2d\u7684<\/p>\n
SYSTEM_EVENT_AP_STA_GOT_IP<\/p>\n
\u4e8b\u4ef6<\/p>\n
5. \u6b64\u65f6，<\/p>\n
tcpip_adapter<\/p>\n
\u7684 LWIP \u534f\u8bae\u6808\u5728<\/p>\n
TCPIP_THREAD<\/p>\n
\u4e2d\u5b8c\u6210\u4e09\u6b21\u63e1\u624b，\u5efa\u7acb TCP \u8fde\u63a5\n<\/p>\n
\n \u6574\u4e2a\u8fc7\u7a0b\u7684\u5173\u952e\u5728\u4e8e，SYN \u5305\u7684\u63a5\u6536\u3001ACK \u5305\u7684\u751f\u6210\u3001\u5e8f\u5217\u53f7\u7ba1\u7406\u7b49\u5e95\u5c42\u64cd\u4f5c，\u5747\u7531 WiFi \u57fa\u5e26\u786c\u4ef6\u52a0\u901f\u5b8c\u6210，CPU \u4ec5\u9700\u5904\u7406\u4e8b\u4ef6\u56de\u8c03\u3002\u8fd9\u4f7f\u5f97 ESP32-S3 \u5373\u4fbf\u5728 240MHz \u4e3b\u9891\u4e0b，\u4e5f\u80fd\u7a33\u5b9a\u7ef4\u6301 10 \u4e2a\u5e76\u53d1 TCP \u8fde\u63a5，\u800c CPU \u5360\u7528\u7387\u4f4e\u4e8e 15%\u3002\n<\/p>\n
server.available()<\/p>\n
\u8fd4\u56de\u7684<\/p>\n
WiFiClient<\/p>\n
\u5bf9\u8c61，\u5176<\/p>\n
readStringUntil('\\\\r')<\/p>\n
\u65b9\u6cd5\u80cc\u540e\u662f\u4e00\u4e2a\u57fa\u4e8e\u7f13\u51b2\u533a\u7684\u72b6\u6001\u673a\u3002\u5f53\u5ba2\u6237\u7aef\u53d1\u9001<\/p>\n
GET \/ HTTP\/1.1\\\\r\\\\nHost: 192.168.4.1\\\\r\\\\n\\\\r\\\\n<\/p>\n
\u65f6：<\/p>\n
–<\/p>\n
readStringUntil('\\\\r')<\/p>\n
\u9996\u6b21\u8c03\u7528，\u8bfb\u53d6<\/p>\n
GET \/ HTTP\/1.1<\/p>\n
– \u7b2c\u4e8c\u6b21\u8c03\u7528，\u8bfb\u53d6<\/p>\n
Host: 192.168.4.1<\/p>\n
– \u7b2c\u4e09\u6b21\u8c03\u7528，\u8bfb\u53d6\u7a7a\u884c<\/p>\n
\\\\r\\\\n<\/p>\n
\n \u8be5\u72b6\u6001\u673a\u7684\u6838\u5fc3\u662f<\/p>\n
client->available()<\/p>\n
\u67e5\u8be2\u63a5\u6536\u7f13\u51b2\u533a\u5b57\u8282\u6570，\u800c\u975e\u963b\u585e\u7b49\u5f85\u3002\u8fd9\u610f\u5473\u7740，\u5373\u4f7f\u5ba2\u6237\u7aef\u7f51\u7edc\u5ef6\u8fdf\u5bfc\u81f4\u6570\u636e\u5206\u7247\u5230\u8fbe，\u72b6\u6001\u673a\u4ecd\u80fd\u6b63\u786e\u7d2f\u79ef\u89e3\u6790\u3002\u8fd9\u79cd\u8bbe\u8ba1\u907f\u514d\u4e86\u4f20\u7edf\u963b\u585e\u5f0f socket \u7f16\u7a0b\u4e2d\u5e38\u89c1\u7684\u201c\u534a\u5305\u201d\u95ee\u9898，\u662f Arduino \u7f51\u7edc\u5e93\u9c81\u68d2\u6027\u7684\u6280\u672f\u57fa\u77f3\u3002\n<\/p>\n
client.println("<html><body>…")<\/p>\n
\u7cfb\u5217\u8c03\u7528，\u5176\u5185\u5b58\u7ba1\u7406\u7b56\u7565\u503c\u5f97\u6df1\u7a76\u3002ESP32-S3 \u7684 PSRAM \u4e3a 8MB，\u4f46 Arduino Core \u9ed8\u8ba4\u4ec5\u5c06<\/p>\n
heap_caps_malloc(HEAP_CAPS_DEFAULT)<\/p>\n
\u5206\u914d\u5728\u5185\u90e8 SRAM（320KB）\u3002\u4e3a\u907f\u514d HTML \u5b57\u7b26\u4e32\u62fc\u63a5\u5bfc\u81f4\u7684\u5185\u5b58\u788e\u7247，<\/p>\n
println()<\/p>\n
\u65b9\u6cd5\u91c7\u7528\u6d41\u5f0f\u5199\u5165：\u6bcf\u6b21\u8c03\u7528\u5c06\u5b57\u7b26\u4e32\u6307\u9488\u4e0e\u957f\u5ea6\u4f20\u5165<\/p>\n
tcp_write()<\/p>\n
，\u7531 LWIP \u7684<\/p>\n
pbuf<\/p>\n
\u94fe\u8868\u7ba1\u7406\u5185\u5b58，\u6700\u7ec8\u901a\u8fc7<\/p>\n
tcp_output()<\/p>\n
\u89e6\u53d1\u786c\u4ef6 DMA \u5c06\u6570\u636e\u642c\u79fb\u81f3 WiFi TX FIFO\u3002\u8fd9\u79cd\u96f6\u62f7\u8d1d（Zero-Copy）\u8bbe\u8ba1，\u4f7f\u751f\u6210\u4e00\u4e2a 2KB \u7684 HTML \u9875\u9762，\u5185\u5b58\u5cf0\u503c\u5360\u7528\u4ec5\u4e3a 128 \u5b57\u8282\u7684<\/p>\n
pbuf<\/p>\n
\u63a7\u5236\u7ed3\u6784，\u800c\u975e 2KB \u7684\u5b57\u7b26\u4e32\u7f13\u51b2\u533a\u3002\n<\/p>\n
\n \u4ee5\u4e0b\u4e3a\u672c\u6559\u7a0b\u4e2d\u7b80\u6613\u7f51\u9875\u670d\u52a1\u5668\u7684\u5b8c\u6574\u5b9e\u73b0，\u6bcf\u884c\u4ee3\u7801\u5747\u5bf9\u5e94\u660e\u786e\u7684\u786c\u4ef6\u884c\u4e3a\u4e0e\u5de5\u7a0b\u610f\u56fe：\n<\/p>\n
#include <WiFi.h><\/p>\n
\/\/ 1. \u7f51\u7edc\u914d\u7f6e\u5e38\u91cf：SSID \u4e0e\u5bc6\u7801\u5fc5\u987b\u4e3a\u5b57\u7b26\u4e32\u5b57\u9762\u91cf
\n\/\/ \u7f16\u8bd1\u5668\u5c06\u5176\u5b58\u50a8\u5728 Flash \u7684 .rodata \u6bb5，\u8fd0\u884c\u65f6\u53ea\u8bfb
\n\/\/ \u907f\u514d\u4f7f\u7528 String \u7c7b\u578b，\u9632\u6b62\u5806\u5185\u5b58\u788e\u7247\u5316
\nconst char* ssid = "ESP32-S3-AP";
\nconst char* password = "12345678";<\/p>\n
\/\/ 2. \u521b\u5efa WiFiServer \u5bf9\u8c61：\u7aef\u53e3 80 \u662f HTTP \u534f\u8bae\u6807\u51c6\u7aef\u53e3
\n\/\/ \u6b64\u5bf9\u8c61\u5728\u5806\u5185\u5b58\u4e2d\u5206\u914d，\u6301\u6709 TCP \u76d1\u542c\u5957\u63a5\u5b57\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26
\nWiFiServer server(80);<\/p>\n
void setup() {
\n \/\/ 3. \u4e32\u53e3\u521d\u59cb\u5316：115200 \u6ce2\u7279\u7387\u662f\u8c03\u8bd5\u65e5\u5fd7\u7684\u9ec4\u91d1\u6807\u51c6
\n \/\/ \u8fc7\u9ad8（\u5982 2M）\u6613\u53d7\u7ebf\u8def\u5e72\u6270，\u8fc7\u4f4e（\u5982 9600）\u5bfc\u81f4\u65e5\u5fd7\u6ede\u540e
\n Serial.begin(115200);<\/p>\n
\/\/ 4. \u542f\u52a8 SoftAP \u6a21\u5f0f：\u521b\u5efa\u4e00\u4e2a WiFi \u70ed\u70b9
\n \/\/ esp_wifi_set_mode(WIFI_MODE_AP) \u662f\u5e95\u5c42\u8c03\u7528
\n \/\/ \u6b64\u65f6 ESP32-S3 \u7684 RF \u529f\u653e\u88ab\u6fc0\u6d3b，\u7535\u6d41\u6d88\u8017\u4ece 10mA \u8dc3\u5347\u81f3 180mA
\n WiFi.softAP(ssid, password);<\/p>\n
\/\/ 5. \u83b7\u53d6 AP \u7684 IP \u5730\u5740：192.168.4.1 \u662f ESP-IDF \u7684\u9ed8\u8ba4 SoftAP \u7f51\u5173
\n \/\/ \u6b64 IP \u7531 tcpip_adapter \u8bbe\u7f6e，\u5b58\u50a8\u5728\u5185\u90e8 RAM \u7684 netif \u7ed3\u6784\u4e2d
\n IPAddress IP = WiFi.softAPIP();
\n Serial.print("AP IP address: ");
\n Serial.println(IP);<\/p>\n
\/\/ 6. \u542f\u52a8\u670d\u52a1\u5668：\u8c03\u7528 lwip \u7684 tcp_new() \u521b\u5efa\u76d1\u542c\u5957\u63a5\u5b57
\n \/\/ \u5e76\u7ed1\u5b9a\u5230 INADDR_ANY:80，\u8fdb\u5165 LISTEN \u72b6\u6001
\n server.begin();
\n}<\/p>\n
void loop() {
\n \/\/ 7. \u68c0\u67e5\u65b0\u8fde\u63a5：\u975e\u963b\u585e\u5f0f\u8f6e\u8be2，\u907f\u514d loop() \u51fd\u6570\u88ab\u6302\u8d77
\n \/\/ client.available() \u8fd4\u56de 0 \u8868\u793a\u65e0\u8fde\u63a5，>0 \u8868\u793a\u6709\u6570\u636e\u53ef\u8bfb
\n WiFiClient client = server.available();<\/p>\n
\/\/ 8. \u8fde\u63a5\u5904\u7406\u5206\u652f：\u4ec5\u5f53\u6709\u5ba2\u6237\u7aef\u8fde\u63a5\u65f6\u624d\u6267\u884c\u540e\u7eed\u903b\u8f91
\n \/\/ \u6b64\u5904\u7684 if \u8bed\u53e5\u662f\u5178\u578b\u7684\u4e8b\u4ef6\u9a71\u52a8\u7f16\u7a0b\u8303\u5f0f
\n if (client) {
\n Serial.println("New Client.");<\/p>\n
\/\/ 9. \u8bbe\u7f6e TCP \u63a5\u6536\u8d85\u65f6：5000ms \u9632\u6b62\u5ba2\u6237\u7aef\u5f02\u5e38\u65ad\u5f00\u5bfc\u81f4\u963b\u585e
\n \/\/ \u5e95\u5c42\u8c03\u7528 setsockopt(…, SO_RCVTIMEO, …)
\n client.setTimeout(5000);<\/p>\n
\/\/ 10. \u8bfb\u53d6 HTTP \u8bf7\u6c42\u9996\u884c：\u89e3\u6790\u8bf7\u6c42\u65b9\u6cd5\u4e0e\u8def\u5f84
\n \/\/ GET \/ HTTP\/1.1\\\\r\\\\n \u4e2d\u7684 "\/" \u662f\u6839\u8def\u5f84，\u89e6\u53d1\u4e3b\u9875\u54cd\u5e94
\n String request = client.readStringUntil('\\\\r');
\n Serial.println(request);<\/p>\n
\/\/ 11. \u53d1\u9001 HTTP \u54cd\u5e94\u5934：\u72b6\u6001\u884c + \u5934\u5b57\u6bb5
\n \/\/ "text\/html" MIME \u7c7b\u578b\u544a\u77e5\u6d4f\u89c8\u5668\u5185\u5bb9\u4e3a HTML
\n \/\/ "Connection: close" \u8868\u793a\u54cd\u5e94\u540e\u5173\u95ed\u8fde\u63a5，\u7b80\u5316\u72b6\u6001\u7ba1\u7406
\n client.println("HTTP\/1.1 200 OK");
\n client.println("Content-Type: text\/html");
\n client.println("Connection: close");
\n client.println();<\/p>\n
\/\/ 12. \u53d1\u9001 HTML \u4e3b\u4f53：\u5229\u7528\u6d41\u5f0f\u5199\u5165\u907f\u514d\u5185\u5b58\u6ea2\u51fa
\n \/\/ \u6bcf\u884c println() \u5bf9\u5e94\u4e00\u4e2a TCP \u6570\u636e\u6bb5，\u7531\u786c\u4ef6 DMA \u53d1\u9001
\n client.println("<!DOCTYPE html><html>");
\n client.println("<head><meta name=\\\\"viewport\\\\" content=\\\\"width=device-width, initial-scale=1\\\\">");
\n client.println("<style>body { background-color: #87CEEB; font-family: Arial, sans-serif; }<\/style>");
\n client.println("<\/head><body>");
\n client.println("<h1>Welcome to ESP32-S3 Web Server!<\/h1>");
\n client.println("<p>This page is served by an ESP32-S3 chip.<\/p>");
\n client.println("<\/body><\/html>");<\/p>\n
\/\/ 13. \u65e5\u5fd7\u8bb0\u5f55：\u8fde\u63a5\u5904\u7406\u5b8c\u6210，\u51c6\u5907\u63a5\u53d7\u4e0b\u4e00\u4e2a\u8fde\u63a5
\n Serial.println("Client disconnected.");
\n Serial.println("");
\n }
\n}<\/p>\n
\n \u5728\u5b9e\u9645\u90e8\u7f72\u4e2d，\u7f51\u9875\u670d\u52a1\u5668\u65e0\u6cd5\u8bbf\u95ee\u662f\u6700\u5178\u578b\u7684\u95ee\u9898\u3002\u5176\u6839\u672c\u539f\u56e0\u5f80\u5f80\u4e0d\u5728\u5e94\u7528\u5c42\u4ee3\u7801，\u800c\u5728\u4e8e\u786c\u4ef6\u94fe\u8def\u4e0e\u534f\u8bae\u6808\u7684\u9690\u5f0f\u72b6\u6001\u3002\n<\/p>\n
\n \u5f53<\/p>\n
WiFi.softAP()<\/p>\n
\u6267\u884c\u540e，\u624b\u673a\u5217\u8868\u4e2d\u65e0<\/p>\n
ESP32-S3-AP<\/p>\n
\u540d\u79f0，\u9996\u8981\u68c0\u67e5<\/p>\n
WiFi.softAPConfig()<\/p>\n
\u662f\u5426\u88ab\u610f\u5916\u8c03\u7528\u3002\u8be5\u51fd\u6570\u82e5\u4f20\u5165\u975e\u6cd5 IP（\u5982<\/p>\n
0.0.0.0<\/p>\n
），\u4f1a\u5bfc\u81f4<\/p>\n
tcpip_adapter_start()<\/p>\n
\u5931\u8d25，\u8fdb\u800c\u4f7f<\/p>\n
esp_wifi_start()<\/p>\n
\u8fd4\u56de<\/p>\n
ESP_ERR_INVALID_ARG<\/p>\n
\u3002\u6b64\u65f6<\/p>\n
WiFi.softAP()<\/p>\n
\u867d\u8fd4\u56de<\/p>\n
true<\/p>\n
，\u4f46\u5e95\u5c42 RF \u5e76\u672a\u771f\u6b63\u542f\u52a8\u3002\u9a8c\u8bc1\u65b9\u6cd5：\u5728<\/p>\n
setup()<\/p>\n
\u4e2d<\/p>\n
WiFi.softAP()<\/p>\n
\u540e\u7acb\u5373\u6dfb\u52a0<\/p>\n
Serial.println(WiFi.softAPIP());<\/p>\n
，\u82e5\u8f93\u51fa<\/p>\n
0.0.0.0<\/p>\n
，\u5373\u8bc1\u5b9e\u914d\u7f6e\u5931\u8d25\u3002\n<\/p>\n
\n \u5f53\u624b\u673a\u8fde\u63a5\u70ed\u70b9\u5e76\u8bbf\u95ee<\/p>\n
http:\/\/192.168.4.1<\/p>\n
\u65f6，\u6d4f\u89c8\u5668\u663e\u793a\u7a7a\u767d\u9875，\u5e38\u89c1\u539f\u56e0\u662f<\/p>\n
client.println()<\/p>\n
\u672a\u53d1\u9001\u5b8c\u6574\u7684 HTTP \u54cd\u5e94\u3002HTTP \u534f\u8bae\u8981\u6c42\u54cd\u5e94\u5934\u4e0e\u4e3b\u4f53\u4e4b\u95f4\u5fc5\u987b\u6709\u4e24\u4e2a\u8fde\u7eed\u7684<\/p>\n
\\\\r\\\\n<\/p>\n
（\u5373\u7a7a\u884c）\u3002\u82e5\u9057\u6f0f\u7b2c\u4e8c\u4e2a<\/p>\n
\\\\r\\\\n<\/p>\n
，\u6d4f\u89c8\u5668\u5c06\u8ba4\u4e3a\u54cd\u5e94\u5934\u672a\u7ed3\u675f，\u6301\u7eed\u7b49\u5f85\u540e\u7eed\u6570\u636e，\u6700\u7ec8\u8d85\u65f6\u3002\u6b64\u95ee\u9898\u5728\u4e32\u53e3\u76d1\u89c6\u5668\u4e2d\u4e0d\u53ef\u89c1，\u56e0<\/p>\n
Serial.println()<\/p>\n
\u81ea\u52a8\u8ffd\u52a0<\/p>\n
\\\\r\\\\n<\/p>\n
，\u4f46<\/p>\n
client.println()<\/p>\n
\u7684\u884c\u4e3a\u9700\u4e25\u683c\u9075\u5faa RFC 7230\u3002\n<\/p>\n
\n \u5728<\/p>\n
loop()<\/p>\n
\u4e2d\u672a\u5bf9<\/p>\n
client<\/p>\n
\u5bf9\u8c61\u8c03\u7528<\/p>\n
client.stop()<\/p>\n
，\u5c06\u5bfc\u81f4 LWIP \u7684<\/p>\n
memp<\/p>\n
\u5185\u5b58\u6c60\u4e2d<\/p>\n
MEMP_TCP_PCB<\/p>\n
\u7ed3\u6784\u4f53\u6301\u7eed\u6cc4\u6f0f\u3002ESP32-S3 \u7684\u9ed8\u8ba4\u914d\u7f6e\u4ec5\u5206\u914d 5 \u4e2a PCB，\u5f53\u7b2c 6 \u4e2a\u8fde\u63a5\u8bf7\u6c42\u5230\u8fbe\u65f6，<\/p>\n
tcp_new()<\/p>\n
\u8fd4\u56de<\/p>\n
NULL<\/p>\n
，<\/p>\n
server.available()<\/p>\n
\u6c38\u8fdc\u8fd4\u56de\u7a7a<\/p>\n
WiFiClient<\/p>\n
\u3002\u89e3\u51b3\u65b9\u6848\u662f\u5728<\/p>\n
if (client)<\/p>\n
\u5206\u652f\u672b\u5c3e\u6dfb\u52a0<\/p>\n
client.stop();<\/p>\n
，\u5f3a\u5236\u91ca\u653e PCB \u8d44\u6e90\u3002\n<\/p>\n
\n \u4e00\u4e2a\u80fd\u8fd4\u56de\u9759\u6001 HTML \u7684\u7f51\u9875\u670d\u52a1\u5668，\u662f\u901a\u5411\u590d\u6742\u7269\u8054\u7f51\u5e94\u7528\u7684\u8d77\u70b9\u3002\u5176\u80fd\u529b\u8fb9\u754c\u7684\u62d3\u5c55，\u9075\u5faa\u6e05\u6670\u7684\u6280\u672f\u6f14\u8fdb\u8def\u5f84：\n<\/p>\n
\n \u5c06<\/p>\n
client.println("<p>This page is served by an ESP32-S3 chip.<\/p>");<\/p>\n
\u66ff\u6362\u4e3a：\n<\/p>\n
int temp = temperatureRead(); \/\/ \u8bfb\u53d6 ADC \u6216 DS18B20
\nclient.print("<p>Temperature: ");
\nclient.print(temp);
\nclient.println("\u00b0C<\/p>");<\/p>\n
\n \u6b64\u4fee\u6539\u5f15\u5165\u4e86\u786c\u4ef6\u5916\u8bbe\u8bbf\u95ee，\u8981\u6c42\u5f00\u53d1\u8005\u7406\u89e3 ADC \u91c7\u6837\u7cbe\u5ea6（12-bit）\u3001\u53c2\u8003\u7535\u538b（3.3V）\u3001\u4ee5\u53ca<\/p>\n
analogRead()<\/p>\n
\u7684\u963b\u6297\u5339\u914d\u8981\u6c42（\u8f93\u5165\u963b\u6297 > 100k\u03a9）\u3002\n<\/p>\n
\n \u6dfb\u52a0 HTML \u8868\u5355<\/p>\n
<form action="\/led" method="POST"><\/p>\n
\u540e，\u5728<\/p>\n
loop()<\/p>\n
\u4e2d\u89e3\u6790<\/p>\n
POST \/led<\/p>\n
\u8bf7\u6c42：\n<\/p>\n
if (request.indexOf("POST \/led") != -1) {
\n \/\/ \u8bfb\u53d6 POST body \u4e2d\u7684 led_state \u53c2\u6570
\n String body = client.readString();
\n if (body.indexOf("led_state=on") != -1) digitalWrite(LED_BUILTIN, HIGH);
\n}<\/p>\n
\n \u6b64\u64cd\u4f5c\u6d89\u53ca HTTP \u65b9\u6cd5\u533a\u5206\u3001URL \u8def\u7531\u3001\u4ee5\u53ca POST \u6570\u636e\u7684\u8fb9\u754c\u89e3\u6790（<\/p>\n
Content-Length<\/p>\n
\u5934），\u662f\u8fc8\u5411 RESTful API \u7684\u7b2c\u4e00\u6b65\u3002\n<\/p>\n
\n \u542f\u7528 HTTPS \u9700\u8981<\/p>\n
WiFiClientSecure<\/p>\n
\u7c7b，\u5176\u5e95\u5c42\u4f9d\u8d56 ESP32-S3 \u7684\u786c\u4ef6\u52a0\u5bc6\u5f15\u64ce（AES-128\/256, SHA-256）\u3002\u8bc1\u4e66\u7b7e\u540d\u9a8c\u8bc1\u7531<\/p>\n
mbedtls<\/p>\n
\u5e93\u8c03\u7528\u786c\u4ef6\u52a0\u901f\u5355\u5143\u5b8c\u6210，\u4f7f TLS \u63e1\u624b\u65f6\u95f4\u4ece\u8f6f\u4ef6\u5b9e\u73b0\u7684 1200ms \u964d\u81f3 350ms\u3002\u8fd9\u4e0d\u4ec5\u662f\u4ee3\u7801\u4fee\u6539，\u66f4\u662f\u5bf9\u82af\u7247\u5b89\u5168\u7279\u6027\u7684\u76f4\u63a5\u8c03\u7528\u3002\n<\/p>\n
\n \u6211\u5728\u5b9e\u9645\u9879\u76ee\u4e2d\u66fe\u4e3a\u4e00\u4e2a\u667a\u80fd\u704c\u6e89\u63a7\u5236\u5668\u90e8\u7f72\u7f51\u9875\u670d\u52a1\u5668，\u521d\u671f\u4f7f\u7528\u88f8 HTML \u663e\u793a\u571f\u58e4\u6e7f\u5ea6\u3002\u5f53\u5ba2\u6237\u63d0\u51fa\u201c\u5e0c\u671b\u624b\u673a APP \u80fd\u8fdc\u7a0b\u5f00\u5173\u6c34\u6cf5\u201d\u65f6，\u6211\u610f\u8bc6\u5230\u5fc5\u987b\u5c06\u7f51\u9875\u670d\u52a1\u5668\u5347\u7ea7\u4e3a JSON API \u670d\u52a1\u3002\u8fd9\u4e2a\u8f6c\u53d8\u7684\u5173\u952e\u4e00\u6b65，\u662f\u5c06<\/p>\n
client.println()<\/p>\n
\u66ff\u6362\u4e3a<\/p>\n
serializeJson()<\/p>\n
\u5e93\u751f\u6210\u7684\u683c\u5f0f\u5316 JSON，\u540c\u65f6\u5728<\/p>\n
loop()<\/p>\n
\u4e2d\u589e\u52a0<\/p>\n
if (request.indexOf("GET \/api\/status") != -1)<\/p>\n
\u7684\u8def\u7531\u5224\u65ad\u3002\u8fd9\u4e2a\u770b\u4f3c\u7b80\u5355\u7684\u4fee\u6539，\u5b9e\u9645\u4e0a\u5c06\u7cfb\u7edf\u4ece\u201c\u4fe1\u606f\u5c55\u793a\u201d\u63a8\u5411\u4e86\u201c\u8fdc\u7a0b\u63a7\u5236\u201d，\u800c\u652f\u6491\u8fd9\u4e00\u8dc3\u8fc1\u7684，\u6b63\u662f ESP32-S3 \u786c\u4ef6 TCP\/IP \u6808\u7684\u7a33\u5b9a\u6027\u548c Arduino Core \u5bf9\u590d\u6742\u534f\u8bae\u7684\u62bd\u8c61\u80fd\u529b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
1. ESP32 \u7684\u5de5\u7a0b\u5b9a\u4f4d\u4e0e\u6280\u672f\u672c\u8d28ESP32 \u4e0d\u662f\u5355\u9897\u82af\u7247\u7684\u4ee3\u79f0，\u800c\u662f\u4e00\u4e2a\u6301\u7eed\u6f14\u8fdb\u7684\u7cfb\u7edf\u7ea7\u82af\u7247（SoC）\u4ea7\u54c1\u5bb6\u65cf\u3002\u5176\u6838\u5fc3\u4ef7\u503c\u4e0d\u5728\u4e8e\u67d0\u9879\u5b64\u7acb\u53c2\u6570\u7684\u5cf0\u503c\u8868\u73b0，\u800c\u5728\u4e8e\u5c06\u8ba1\u7b97\u3001\u5b58\u50a8\u3001\u65e0\u7ebf\u901a\u4fe1\u3001\u6a21\u62df\u5916\u8bbe\u4e0e\u7535\u6e90\u7ba1\u7406\u7b49\u5173\u952e\u80fd\u529b，\u5728\u6781\u5c0f\u7269\u7406\u5c3a\u5bf8\u548c\u6781\u4f4e\u529f\u8017\u7ea6\u675f\u4e0b，\u8fdb\u884c\u9ad8\u5ea6\u96c6\u6210\u4e0e\u534f\u540c\u4f18\u5316\u3002\u8fd9\u79cd\u96c6\u6210\u4e0d\u662f\u529f\u80fd\u7684\u7b80\u5355\u5806\u780c，\u800c\u662f\u9762\u5411\u7269\u8054\u7f51\u7ec8\u7aef\u8bbe\u5907\u771f\u5b9e\u5de5\u4f5c\u573a\u666f\u7684\u6df1\u5ea6\u5b9a\u5236\u3002\u5728\u5de5\u7a0b\u5b9e\u8df5\u4e2d，\u7406\u89e3 <\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[8756,8757,179],"topic":[],"class_list":["post-78954","post","type-post","status-publish","format-standard","hentry","category-server","tag-arduino-esp32","tag-8757","tag-esp32"],"yoast_head":"\n