UDP_Server

arduino版本的针对ESP32S3的UDP服务器，上电后AP配网
2024-07-25 22:14:44 +08:00 · 2024-07-25 22:14:44 +08:00 · 195ebcb5a6
commit 195ebcb5a6
2 changed files with 126 additions and 0 deletions
--- a/WebServer03.ino
+++ b/WebServer03.ino
@ -0,0 +1,104 @@
+#include <WiFi.h>
+#include <WebServer.h>
+#include <WiFiUdp.h>
+#include "page.h"
+
+// 创建Web服务器对象，监听端口80
+WebServer server(80);
+
+// 存储用户输入的SSID和密码
+String ssid;
+String password;
+String target_ip;
+
+bool flag = true;
+bool isConnected = false;
+
+WiFiUDP udp;
+const char* udpAddress = "255.255.255.255";
+const int udpPort = 8000;
+
+// 定义ADC通道
+const int adcPins[] = { 1, 2, 3, 4, 5, 6, 7, 8 };
+
+// 处理根路径的请求，显示配网页面
+void handleRoot() {
+  String html = page1;
+  server.send(200, "text/html", html);
+}
+
+// 处理配置请求，获取用户输入的SSID和密码
+void handleConfigure() {
+  ssid = server.arg("ssid");
+  password = server.arg("password");
+  target_ip = server.arg("target_ip");
+  server.send(200, "text/html", "<html><body><h1>Configuration Successful</h1></body></html>");
+
+  // 关闭AP模式并连接到用户指定的Wi-Fi
+  WiFi.softAPdisconnect();
+  WiFi.begin(ssid.c_str(), password.c_str());
+
+  // 等待Wi-Fi连接
+  while (WiFi.status() != WL_CONNECTED) {
+    delay(1000);
+    Serial.print(".");
+  }
+  Serial.println("Connected to WiFi");
+  Serial.print("IP address: ");
+  Serial.println(WiFi.localIP());
+  Serial.print("Target IP: ");
+  Serial.println(target_ip);
+  // udpAddress = target_ip.c_str();
+  udp.begin(udpPort);  // 启动UDP
+  isConnected = true;
+}
+
+void setup() {
+  Serial.begin(115200);
+
+  // 配置AP模式
+  WiFi.softAP("ESP32_Config", "12345678");
+
+  // 配置Web服务器的路由
+  server.on("/", handleRoot);
+  server.on("/configure", HTTP_POST, handleConfigure);
+
+  // 启动Web服务器
+  server.begin();
+
+  Serial.println("AP Mode Started");
+}
+
+void loop() {
+  // 处理客户端请求
+  while (!isConnected) {
+    server.handleClient();
+  }
+  if (flag) {
+    Serial.println("Now is connected to WiFi!");
+    flag = false;
+  }
+
+  while (isConnected) {
+    uint16_t adcData[8] = { 0 };
+    uint8_t adcByteData[16] = { 0 };
+
+    // 读取ADC值
+    for (int i = 0; i < 8; i++) {
+      adcData[i] = analogRead(adcPins[i]);
+    }
+
+    for (int i = 0; i < 8; i++) {
+      adcByteData[2 * i] = (uint8_t)(adcData[i] & 0x00FF);             // 低字节
+      adcByteData[2 * i + 1] = (uint8_t)((adcData[i] >> 8) & 0x00FF);  // 高字节
+    }
+
+    // 发送UDP数据
+    udp.beginPacket(udpAddress, udpPort);
+    udp.write(adcByteData, 16);
+    udp.endPacket();
+
+    // Serial.println("Sent: " + adcData); // 打印发送的数据
+    delay(25);  // 每25ms发送一次数据
+  }
+}
--- a/page.h
+++ b/page.h
@ -0,0 +1,22 @@
+#ifndef __PAGE_H__
+#define __PAGE_H__
+
+String page1 = R"(
+<!DOCTYPE html>
+<html>
+  <head>
+      <title>WiFi Configuration</title>
+  </head>
+  <body>
+      <h1>WiFi Configuration</h1>
+      <form action="/configure" method="POST">
+          SSID: <input type="text" name="ssid"><br>
+          Password: <input type="text" name="password"><br>
+          Target IP: <input type="text" name="target_ip"><br>
+          <input type="submit" value="configure">
+      </form>
+  </body>
+</html>
+)";
+
+#endif