website monitoring with WIO terminal

website-monitoring-wio.ino

#include "TFT_eSPI.h"
#include "rpcWiFi.h"
#include "WiFiClientSecure.h"
#include "HTTPClient.h"
#include "ArduinoJson.h"

DynamicJsonDocument jsonResponse(1024);
const char *ssid = "m1Danger";
const char *password = "abivarsh@2016";
const String checkUrl = "https://api.freshping.io/v1/public-check-statuses/524828/";
WiFiClientSecure wifiClient;
TFT_eSPI tft;

const char* caCert = "-----BEGIN CERTIFICATE-----\n"
"MIIEDzCCAvegAwIBAgIBADANBgkqhkiG9w0BAQUFADBoMQswCQYDVQQGEwJVUzEl\n"
"MCMGA1UEChMcU3RhcmZpZWxkIFRlY2hub2xvZ2llcywgSW5jLjEyMDAGA1UECxMp\n"
"U3RhcmZpZWxkIENsYXNzIDIgQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkwHhcNMDQw\n"
"NjI5MTczOTE2WhcNMzQwNjI5MTczOTE2WjBoMQswCQYDVQQGEwJVUzElMCMGA1UE\n"
"ChMcU3RhcmZpZWxkIFRlY2hub2xvZ2llcywgSW5jLjEyMDAGA1UECxMpU3RhcmZp\n"
"ZWxkIENsYXNzIDIgQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkwggEgMA0GCSqGSIb3\n"
"DQEBAQUAA4IBDQAwggEIAoIBAQC3Msj+6XGmBIWtDBFk385N78gDGIc/oav7PKaf\n"
"8MOh2tTYbitTkPskpD6E8J7oX+zlJ0T1KKY/e97gKvDIr1MvnsoFAZMej2YcOadN\n"
"+lq2cwQlZut3f+dZxkqZJRRU6ybH838Z1TBwj6+wRir/resp7defqgSHo9T5iaU0\n"
"X9tDkYI22WY8sbi5gv2cOj4QyDvvBmVmepsZGD3/cVE8MC5fvj13c7JdBmzDI1aa\n"
"K4UmkhynArPkPw2vCHmCuDY96pzTNbO8acr1zJ3o/WSNF4Azbl5KXZnJHoe0nRrA\n"
"1W4TNSNe35tfPe/W93bC6j67eA0cQmdrBNj41tpvi/JEoAGrAgEDo4HFMIHCMB0G\n"
"A1UdDgQWBBS/X7fRzt0fhvRbVazc1xDCDqmI5zCBkgYDVR0jBIGKMIGHgBS/X7fR\n"
"zt0fhvRbVazc1xDCDqmI56FspGowaDELMAkGA1UEBhMCVVMxJTAjBgNVBAoTHFN0\n"
"YXJmaWVsZCBUZWNobm9sb2dpZXMsIEluYy4xMjAwBgNVBAsTKVN0YXJmaWVsZCBD\n"
"bGFzcyAyIENlcnRpZmljYXRpb24gQXV0aG9yaXR5ggEAMAwGA1UdEwQFMAMBAf8w\n"
"DQYJKoZIhvcNAQEFBQADggEBAAWdP4id0ckaVaGsafPzWdqbAYcaT1epoXkJKtv3\n"
"L7IezMdeatiDh6GX70k1PncGQVhiv45YuApnP+yz3SFmH8lU+nLMPUxA2IGvd56D\n"
"eruix/U0F47ZEUD0/CwqTRV/p2JdLiXTAAsgGh1o+Re49L2L7ShZ3U0WixeDyLJl\n"
"xy16paq8U4Zt3VekyvggQQto8PT7dL5WXXp59fkdheMtlb71cZBDzI0fmgAKhynp\n"
"VSJYACPq4xJDKVtHCN2MQWplBqjlIapBtJUhlbl90TSrE9atvNziPTnNvT51cKEY\n"
"WQPJIrSPnNVeKtelttQKbfi3QBFGmh95DmK/D5fs4C8fF5Q=\n"
"-----END CERTIFICATE-----\n";

void setupLCD(){
  tft.begin();
  digitalWrite(LCD_BACKLIGHT, HIGH); // turn on the backlight
  tft.setRotation(3);
  tft.fillScreen(TFT_BLACK); //Black background
  tft.setFreeFont(&FreeSansOblique12pt7b); //select Free, Sans, Oblique, 12pt.  
}
void checkWiFi(){
    if(WiFi.status() == WL_CONNECTED){
      return;
    }
    int dotCounter = 0;
    while (WiFi.status() != WL_CONNECTED)
    {
        if(dotCounter%10 == 0){
         tft.fillScreen(TFT_BLACK);
         tft.setCursor(100,110);
        }
        tft.print(".");
        dotCounter ++;
        WiFi.begin(ssid, password);
    }
    Serial.println("");
    Serial.println("WiFi connected");
    Serial.println("IP address: ");
    Serial.println(WiFi.localIP());
}
void setup()
{
    Serial.begin(115200);
    delay(10);
    Serial.println();
    Serial.print("Connecting to ");
    Serial.println(ssid);
    wifiClient.setCACert(caCert);
    setupLCD(); 
}

void loop(){
  checkWiFi();
  tft.fillScreen(TFT_BLACK); //Black background
  tft.setCursor(0,20);
  tft.println("Checking status...");
  HTTPClient client;
  client.begin(wifiClient,checkUrl); // Make HTTP GET request
  int httpCode = client.GET();
  tft.print("Request StatusCode: ");
  tft.println(httpCode);
  if(httpCode!=0){
    String jsonString = client.getString();
    Serial.println(jsonString);
    deserializeJson(jsonResponse, jsonString);
    const char *webSiteStatus = jsonResponse["state"];
    tft.print("Website state: ");
    tft.println(webSiteStatus);  
  }
  client.end();
  delay(10000);
}