ESP32 mit Form TAG

esp32form.cpp

#include "esp_wpa2.h"
#include <WiFi.h>

// SSID to connect to
static const char* ssid = "MMBBS-Intern";
// Username for authentification
#define EAP_ID "tuttas"
#define EAP_USERNAME "tuttas"
#define EAP_PASSWORD "geheim"

WiFiServer server(80);

void setup()
{
    Serial.begin(115200);
    delay(500);

    WiFi.disconnect(true);
    esp_wifi_sta_wpa2_ent_set_identity((uint8_t *)EAP_ID, strlen(EAP_ID));
    esp_wifi_sta_wpa2_ent_set_username((uint8_t *)EAP_USERNAME, strlen(EAP_USERNAME));
    esp_wifi_sta_wpa2_ent_set_password((uint8_t *)EAP_PASSWORD, strlen(EAP_PASSWORD));
    esp_wpa2_config_t config = WPA2_CONFIG_INIT_DEFAULT();
    esp_wifi_sta_wpa2_ent_enable(&config);
    WiFi.begin(ssid);


    // Wait for connection AND IP address from DHCP
    Serial.println();
    Serial.println("Waiting for connection and IP Address from DHCP");
    while (WiFi.status() != WL_CONNECTED)
    {
        delay(2000);
        Serial.print(".");
    }
    Serial.println("");
    Serial.println("WiFi connected");
    Serial.println("IP address: ");
    Serial.println(WiFi.localIP());
    Serial.write("\r\nStarte Webserver");
    server.begin();
}

void loop()
{
    WiFiClient clientS = server.available();
    if (clientS)
    {
        Serial.println("New Client");
        String request = clientS.readStringUntil('\r');
        Serial.println(">" + request + "<");
        String param = " ";
        if (request.indexOf("?") != -1)
        {
            param = request.substring(request.indexOf("?") + 1, request.indexOf(" HTTP/1.1"));
            Serial.println(">" + param + "<");
        }
        String s = "<form action=\"?state=true\" method=\"get\"><input type=\"checkbox\" name=\"led\" value=\"1\">LED<button type=\"submit\">Klick mich</button></form>";
        clientS.print(s);
        clientS.flush();
        clientS.stop();
    }
}