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			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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