99 lines
4.5 KiB
C++
99 lines
4.5 KiB
C++
/*|----------------------------------------------------------|*/
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/*|WORKING EXAMPLE FOR HTTP/HTTPS CONNECTION |*/
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/*|TESTED BOARDS: Devkit v1 DOIT, Devkitc v4 |*/
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/*|CORE: June 2018 |*/
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/*|----------------------------------------------------------|*/
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#include <WiFi.h>
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#include <HTTPClient.h>
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#include "esp_wpa2.h"
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#include <Wire.h>
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#define EAP_IDENTITY "identity" //if connecting from another corporation, use identity@organisation.domain in Eduroam
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#define EAP_PASSWORD "password" //your Eduroam password
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const char* ssid = "eduroam"; // Eduroam SSID
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int counter = 0;
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const char* test_root_ca= \
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"-----BEGIN CERTIFICATE-----\n" \
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"MIIDrzCCApegAwIBAgIQCDvgVpBCRrGhdWrJWZHHSjANBgkqhkiG9w0BAQUFADBh\n" \
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"MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3\n" \
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"d3cuZGlnaWNlcnQuY29tMSAwHgYDVQQDExdEaWdpQ2VydCBHbG9iYWwgUm9vdCBD\n" \
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"QTAeFw0wNjExMTAwMDAwMDBaFw0zMTExMTAwMDAwMDBaMGExCzAJBgNVBAYTAlVT\n" \
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"MRUwEwYDVQQKEwxEaWdpQ2VydCBJbmMxGTAXBgNVBAsTEHd3dy5kaWdpY2VydC5j\n" \
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"b20xIDAeBgNVBAMTF0RpZ2lDZXJ0IEdsb2JhbCBSb290IENBMIIBIjANBgkqhkiG\n" \
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"9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4jvhEXLeqKTTo1eqUKKPC3eQyaKl7hLOllsB\n" \
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"CSDMAZOnTjC3U/dDxGkAV53ijSLdhwZAAIEJzs4bg7/fzTtxRuLWZscFs3YnFo97\n" \
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"nh6Vfe63SKMI2tavegw5BmV/Sl0fvBf4q77uKNd0f3p4mVmFaG5cIzJLv07A6Fpt\n" \
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"43C/dxC//AH2hdmoRBBYMql1GNXRor5H4idq9Joz+EkIYIvUX7Q6hL+hqkpMfT7P\n" \
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"T19sdl6gSzeRntwi5m3OFBqOasv+zbMUZBfHWymeMr/y7vrTC0LUq7dBMtoM1O/4\n" \
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"gdW7jVg/tRvoSSiicNoxBN33shbyTApOB6jtSj1etX+jkMOvJwIDAQABo2MwYTAO\n" \
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"BgNVHQ8BAf8EBAMCAYYwDwYDVR0TAQH/BAUwAwEB/zAdBgNVHQ4EFgQUA95QNVbR\n" \
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"TLtm8KPiGxvDl7I90VUwHwYDVR0jBBgwFoAUA95QNVbRTLtm8KPiGxvDl7I90VUw\n" \
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"DQYJKoZIhvcNAQEFBQADggEBAMucN6pIExIK+t1EnE9SsPTfrgT1eXkIoyQY/Esr\n" \
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"hMAtudXH/vTBH1jLuG2cenTnmCmrEbXjcKChzUyImZOMkXDiqw8cvpOp/2PV5Adg\n" \
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"06O/nVsJ8dWO41P0jmP6P6fbtGbfYmbW0W5BjfIttep3Sp+dWOIrWcBAI+0tKIJF\n" \
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"PnlUkiaY4IBIqDfv8NZ5YBberOgOzW6sRBc4L0na4UU+Krk2U886UAb3LujEV0ls\n" \
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"YSEY1QSteDwsOoBrp+uvFRTp2InBuThs4pFsiv9kuXclVzDAGySj4dzp30d8tbQk\n" \
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"CAUw7C29C79Fv1C5qfPrmAESrciIxpg0X40KPMbp1ZWVbd4=\n" \
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"-----END CERTIFICATE-----\n";
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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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WiFi.mode(WIFI_STA); //init wifi mode
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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 --> identity and username is same
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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 settings to default
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esp_wifi_sta_wpa2_ent_enable(&config); //set config settings to enable function
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WiFi.begin(ssid); //connect to wifi
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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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counter++;
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if(counter>=60){ //after 30 seconds timeout - reset board
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ESP.restart();
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}
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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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if (WiFi.status() == WL_CONNECTED) { //if we are connected to Eduroam network
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counter = 0; //reset counter
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Serial.println("Wifi is still connected with IP: ");
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Serial.println(WiFi.localIP()); //inform user about his IP address
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}else if (WiFi.status() != WL_CONNECTED) { //if we lost connection, retry
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WiFi.begin(ssid);
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}
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while (WiFi.status() != WL_CONNECTED) { //during lost connection, print dots
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delay(500);
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Serial.print(".");
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counter++;
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if(counter>=60){ //30 seconds timeout - reset board
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ESP.restart();
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}
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}
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Serial.print("Connecting to website: ");
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HTTPClient http;
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http.begin("https://arduino.php5.sk/rele/rele1.txt", test_root_ca); //HTTPS example connection
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//http.begin("http://www.arduino.php5.sk/rele/rele1.txt"); //HTTP example connection
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//if uncomment HTTP example, you can comment root CA certificate too!
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int httpCode = http.GET();
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if(httpCode > 0) {
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Serial.printf("[HTTP] GET... code: %d\n", httpCode);
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//file found at server --> on unsucessful connection code will be -1
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if(httpCode == HTTP_CODE_OK) {
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String payload = http.getString();
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Serial.println(payload);
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}
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}else{
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Serial.printf("[HTTP] GET... failed, error: %s\n", http.errorToString(httpCode).c_str());
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}
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http.end();
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delay(2000);
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}
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