64 lines
2.5 KiB
Arduino
64 lines
2.5 KiB
Arduino
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//Sketch edited by: Martin Chlebovec
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//Personal website: https://arduino.php5.sk
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#include "esp_wpa2.h"
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#include <WiFi.h>
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#define EAP_IDENTITY "login@university.domain" //eduroam login --> identity@youruniversity.domain
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#define EAP_PASSWORD "password" //your Eduroam password
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String line; //variable for response
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const char* ssid = "eduroam"; // Eduroam SSID
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const char* host = "arduino.php5.sk"; //external server domain for HTTP connection after authentification
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void setup() {
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Serial.begin(115200);
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delay(10);
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Serial.println();
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Serial.print("Connecting to network: ");
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Serial.println(ssid);
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WiFi.disconnect(true); //disconnect form wifi to set new wifi connection
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esp_wifi_sta_wpa2_ent_set_identity((uint8_t *)EAP_IDENTITY, strlen(EAP_IDENTITY)); //provide identity
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esp_wifi_sta_wpa2_ent_set_username((uint8_t *)EAP_IDENTITY, strlen(EAP_IDENTITY)); //provide username
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esp_wifi_sta_wpa2_ent_set_password((uint8_t *)EAP_PASSWORD, strlen(EAP_PASSWORD)); //provide password
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esp_wpa2_config_t config = WPA2_CONFIG_INIT_DEFAULT(); //set config to default (fixed for 2018 and Arduino 1.8.5+)
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esp_wifi_sta_wpa2_ent_enable(&config); //set config to enable function (fixed for 2018 and Arduino 1.8.5+)
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WiFi.begin(ssid); //connect to Eduroam function
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WiFi.setHostname("ESP32Name"); //set Hostname for your device - not neccesary
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while (WiFi.status() != WL_CONNECTED) {
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delay(500);
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Serial.print(".");
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}
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Serial.println("");
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Serial.println("WiFi connected");
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Serial.println("IP address set: ");
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Serial.println(WiFi.localIP()); //print LAN IP
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}
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void loop() {
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delay(5000);
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if (WiFi.status() != WL_CONNECTED) { //if we lost connection, retry
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WiFi.begin(ssid);
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delay(500);
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}
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Serial.print("Connecting to website: ");
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Serial.println(host);
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WiFiClient client;
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if (!client.connect(host, 80)) { // HTTP connection on port 80
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Serial.println("Connection lost! - Failed response");
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}
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String url = "/rele/rele1.txt"; //read .txt file
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Serial.print("Requesting URL: ");
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Serial.println(url);
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client.print(String("GET ") + url + " HTTP/1.1\r\n" + "Host: " + host + "\r\n" + "Connection: close\r\n\r\n");
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unsigned long timeout = millis();
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while (client.available() == 0) {
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if (millis() - timeout > 5000) {
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Serial.println("Client timed out! - retry");
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}
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}
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while(client.available()) {
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line = client.readStringUntil('\n');
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Serial.println(line);
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}
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Serial.println();
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Serial.println("End connection");
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client.stop();
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}
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