iot-basic-http-client/BasicHTTTPSCLient.ino at master · LaraBot-HQ/iot-basic-http-client · GitHub

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/**
   BasicHTTPSClient.ino

    Created on: 20.08.2018

*/

#include <Arduino.h>

#include <ESP8266WiFi.h>
#include <ESP8266WiFiMulti.h>

#include <ESP8266HTTPClient.h>

#include <WiFiClientSecureBearSSL.h>

#include <ArduinoJson.h>

// 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};
const char fingerprint[] PROGMEM = "57 CB 6B F3 82 67 67 66 F7 2F 5D 83 52 28 13 A5 7F D6 C9 CD";

char json[] = "{\"sensor\":\"gps\",\"time\":1351824120,\"data\":[48.756080,2.302038]}";

ESP8266WiFiMulti WiFiMulti;
#define LED D2

void setup() {
  pinMode(LED, OUTPUT);
  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("YOURWIFI", "YOURPASSWORD");
}

void loop() {
  // wait for WiFi connection
  if ((WiFiMulti.run() == WL_CONNECTED)) {

    std::unique_ptr<BearSSL::WiFiClientSecure>client(new BearSSL::WiFiClientSecure);

    client->setFingerprint(fingerprint);

    HTTPClient https;

    Serial.print("[HTTPS] begin...\n");
    if (https.begin(*client, "https://ztxw1xys00.execute-api.us-east-1.amazonaws.com/latest/led")) {  // 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);
          String value = payload.substring(17, 18);
          Serial.println(value);
          if (value == "1") {
            digitalWrite(LED, HIGH);
          } else {
            digitalWrite(LED, LOW);
          }
        }
      } 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(1000);
}