/** BasicHTTPSClient.ino Created on: 20.08.2018 */ #include #include #include #include #include // Fingerprint for demo URL, expires on June 2, 2019, needs to be updated well before this date const uint8_t fingerprint[20] = {0x5A, 0xCF, 0xFE, 0xF0, 0xF1, 0xA6, 0xF4, 0x5F, 0xD2, 0x11, 0x11, 0xC6, 0x1D, 0x2F, 0x0E, 0xBC, 0x39, 0x8D, 0x50, 0xE0}; ESP8266WiFiMulti WiFiMulti; void setup() { Serial.begin(115200); // Serial.setDebugOutput(true); Serial.println(); Serial.println(); Serial.println(); for (uint8_t t = 4; t > 0; t--) { Serial.printf("[SETUP] WAIT %d...\n", t); Serial.flush(); delay(1000); } WiFi.mode(WIFI_STA); WiFiMulti.addAP("SSID", "PASSWORD"); } void loop() { // wait for WiFi connection if ((WiFiMulti.run() == WL_CONNECTED)) { std::unique_ptrclient(new BearSSL::WiFiClientSecure); client->setFingerprint(fingerprint); HTTPClient https; Serial.print("[HTTPS] begin...\n"); if (https.begin(*client, "https://jigsaw.w3.org/HTTP/connection.html")) { // HTTPS Serial.print("[HTTPS] GET...\n"); // start connection and send HTTP header int httpCode = https.GET(); // httpCode will be negative on error if (httpCode > 0) { // HTTP header has been send and Server response header has been handled Serial.printf("[HTTPS] GET... code: %d\n", httpCode); // file found at server if (httpCode == HTTP_CODE_OK || httpCode == HTTP_CODE_MOVED_PERMANENTLY) { String payload = https.getString(); Serial.println(payload); } } else { Serial.printf("[HTTPS] GET... failed, error: %s\n", https.errorToString(httpCode).c_str()); } https.end(); } else { Serial.printf("[HTTPS] Unable to connect\n"); } } Serial.println("Wait 10s before next round..."); delay(10000); }