153 lines
4.4 KiB
C++
153 lines
4.4 KiB
C++
#include "smartconfig.h"
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#include <WiFi.h>
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#include <Preferences.h>
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WebServer server(80);
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DNSServer dnsServer;
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Preferences preferences;
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IPAddress apIP(192, 168, 4, 1);
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bool should_reboot = false;
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bool smartconfig_done = false;
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const char *HTML_FORM = R"rawliteral(
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<!DOCTYPE html>
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<html lang="zh-CN">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<title>Helios Charge Point 配网</title>
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<style>
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:root { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: #1f2a37; }
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body { margin: 0; background: #f4f6fb; display: flex; justify-content: center; align-items: center; min-height: 100vh; padding: 16px; }
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.card { width: min(360px, 100%); background: #fff; border-radius: 16px; padding: 24px; box-shadow: 0 8px 24px rgba(15, 23, 42, 0.12); }
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h2 { margin: 0 0 16px; font-size: 1.4rem; text-align: center; }
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label { display: block; margin-bottom: 6px; font-weight: 600; }
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input[type="text"], input[type="password"] {
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width: 100%; padding: 12px; margin-bottom: 16px; border: 1px solid #d0d7e2; border-radius: 10px;
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font-size: 1rem; transition: border 0.2s, box-shadow 0.2s;
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}
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input:focus { outline: none; border-color: #2563eb; box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15); }
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input[type="submit"] {
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width: 100%; padding: 12px; border: none; border-radius: 10px; background: #2563eb; color: #fff;
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font-size: 1rem; font-weight: 600; cursor: pointer; transition: background 0.2s;
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}
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input[type="submit"]:hover { background: #1d4ed8; }
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</style>
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</head>
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<body>
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<div class="card">
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<h2>配置 WiFi</h2>
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<form action="/save" method="POST">
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<label for="ssid">SSID</label>
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<input type="text" id="ssid" name="ssid" required>
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<label for="password">密码</label>
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<input type="password" id="password" name="password" required>
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<input type="submit" value="保存并连接">
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</form>
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</div>
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</body>
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</html>
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)rawliteral";
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void handleCaptivePortal()
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{
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String host = server.hostHeader();
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server.sendHeader("Location", String("http://") + apIP.toString(), true);
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server.send(302, "text/plain", "");
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}
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void handleRoot()
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{
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server.send(200, "text/html", HTML_FORM);
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}
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void handleSave()
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{
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if (server.hasArg("ssid") && server.hasArg("password"))
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{
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String ssid = server.arg("ssid");
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String password = server.arg("password");
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Serial.printf("Received SSID: %s, PASSWORD: %s\n", ssid.c_str(), password.c_str());
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// save to NVS
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preferences.begin("wifi", false);
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preferences.putString("ssid", ssid);
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preferences.putString("password", password);
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preferences.end();
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String response = "<html><head><meta charset=\"UTF-8\"></head><body><h3>配置已保存，设备正在尝试连接网络...</h3></body></html>";
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server.send(200, "text/html", response);
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// flag to reboot
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should_reboot = true;
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}
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else
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{
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server.send(400, "text/plain", "缺少 SSID 或密码");
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}
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}
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void startSmartConfig(char *ssid, char *psk)
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{
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WiFi.mode(WIFI_AP);
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WiFi.softAPConfig(apIP, apIP, IPAddress(255, 255, 255, 0));
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WiFi.softAP(ssid, psk);
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dnsServer.start(53, "*", apIP);
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server.on("/", handleRoot);
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server.on("/save", handleSave);
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server.on("/generate_204", HTTP_GET, handleCaptivePortal); // Android
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server.on("/ncsi.txt", HTTP_GET, handleCaptivePortal); // Windows
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server.on("/hotspot-detect.html", HTTP_GET, handleCaptivePortal); // iOS
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server.onNotFound(handleCaptivePortal);
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server.begin();
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Serial.println("HTTP server started");
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}
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bool connectToSavedWiFi()
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{
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preferences.begin("wifi", true);
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String ssid = preferences.getString("ssid", "");
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String password = preferences.getString("password", "");
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preferences.end();
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if (ssid == "")
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{
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Serial.println("No saved WiFi credentials");
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return false;
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}
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Serial.printf("Connecting to SSID: %s\n", ssid.c_str());
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WiFi.mode(WIFI_STA);
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WiFi.begin(ssid.c_str(), password.c_str());
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unsigned long start = millis();
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const unsigned long timeout = 15000; // 15 secs
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while (WiFi.status() != WL_CONNECTED && millis() - start < timeout)
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{
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Serial.print(".");
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delay(500);
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}
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if (WiFi.status() == WL_CONNECTED)
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{
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Serial.println("\nWiFi connected!");
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Serial.printf("IP address: %s\n", WiFi.localIP().toString().c_str());
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smartconfig_done = true;
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return true;
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}
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else
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{
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Serial.println("\nWiFi connect failed.");
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return false;
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}
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}
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