ePaper 1.54" with YouTube Stats and Temperature Sensor

// mapping suggestion from Waveshare SPI e-Paper to Wemos D1 mini
// BUSY -> D2, RST -> D4, DC -> D3, CS -> D8, CLK -> D5, DIN -> D7, GND -> GND, 3.3V -> 3.3V
#include <GxEPD.h>
// select the display class to use, only one
#include <GxGDEW0154Z04/GxGDEW0154Z04.cpp>  // 1.54" b/w/r 200x200

#include GxEPD_BitmapExamples

// FreeFonts from Adafruit_GFX
#include <Fonts/FreeSansBold24pt7b.h>
#include <Fonts/FreeSansBold18pt7b.h>
#include <Fonts/FreeSans9pt7b.h>

#include <GxIO/GxIO_SPI/GxIO_SPI.cpp>
#include <GxIO/GxIO.cpp>

// Wifi
#include <ESP8266WiFi.h>

// YouTUBE API
//#include "youtubelogo.h" // For logo only
#include <WiFiClientSecure.h>
#include <YoutubeApi.h>
#include <ArduinoJson.h> // This Sketch doesn't technically need this, but the library does so it must be installed.


GxIO_Class io(SPI, /*CS=D8*/ SS, /*DC=D3*/ 0, /*RST=D4*/ 2); // arbitrary selection of D3(=0), D4(=2), selected for default of GxEPD_Class
GxEPD_Class display(io /*RST=D4*/ /*BUSY=D2*/); // default selection of D4(=2), D2(=4)

// ms to update
long timeSinceLastRead = 9999999;

//DHT Temperature
#include "DHT.h"
#define DHTPIN D6    // what digital pin the DHT22 is conected to
#define DHTTYPE DHT22   // there are multiple kinds of DHT sensors
DHT dht(DHTPIN, DHTTYPE);

// YouTube
long subs = 0;
String subscribers,viewCount,videoCount;

//------- Replace the following! ------
char ssid[] = "-------------";       // your network SSID (name)
char password[] = "--------------";  // your network key
#define API_KEY "--------------------"  // your google apps API Token
#define CHANNEL_ID "UCqur3wdt2I-pVhckJb8n0bg" // makes up the url of channel

WiFiClientSecure client;
YoutubeApi api(API_KEY, client);

unsigned long api_mtbs = 600000; //mean time between api requests
unsigned long api_lasttime;   //last time api request has been done

void setup()
{
  Serial.begin(115200);
  Serial.println();
  Serial.println("setup");

  display.init(115200); // enable diagnostic output on Serial
  //display.setRotation(3);

  WiFi.mode(WIFI_STA);
  WiFi.disconnect();
  delay(100);

    // Attempt to connect to Wifi network:
  Serial.print("Connecting Wifi: ");
  Serial.println(ssid);
  WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED) {
    Serial.print(".");
    delay(500);
  }
  
  Serial.println("");
  Serial.println("WiFi connected");
  Serial.println("IP address: ");
  IPAddress ip = WiFi.localIP();
  Serial.println(ip);
}


void loop() {
   display.fillScreen(GxEPD_WHITE);
 
  getTemperature();

}

void getYouTubestats()
{
    if(api.getChannelStatistics(CHANNEL_ID))
    {
     Serial.println("Get YouTube Statistics");
     subscribers=api.channelStats.subscriberCount;
     viewCount=api.channelStats.viewCount;
     videoCount=api.channelStats.videoCount;
     Serial.print("Subscriber Count: ");
     Serial.println(subscribers);
     Serial.print("View Count: ");
     Serial.println(api.channelStats.viewCount);
     Serial.print("Video Count: ");
     Serial.println(api.channelStats.videoCount);
     }
    showYouTube(api.channelStats.viewCount, api.channelStats.videoCount,api.channelStats.subscriberCount);
}

void getTemperature()
{
    //https://www.losant.com/blog/getting-started-with-the-esp8266-and-dht22-sensor
  // Report every 300 seconds. 5mins
  if(timeSinceLastRead > 300000) {
    // Reading temperature or humidity takes about 250 milliseconds!
    // Sensor readings may also be up to 2 seconds 'old' (its a very slow sensor)
    float h = dht.readHumidity();
    // Read temperature as Celsius (the default)
    float t = dht.readTemperature();
    // Read temperature as Fahrenheit (isFahrenheit = true)
    float f = dht.readTemperature(true);

    // Check if any reads failed and exit early (to try again).
    if (isnan(h) || isnan(t) || isnan(f)) {
      Serial.println("Failed to read from DHT sensor!");
      showTemperature(-1,-1);
      timeSinceLastRead = 0;
      return;
    }
 

    // Compute heat index in Fahrenheit (the default)
    float hif = dht.computeHeatIndex(f, h);
    // Compute heat index in Celsius (isFahreheit = false)
    float hic = dht.computeHeatIndex(t, h, false);

    Serial.print("Humidity: ");
    Serial.print(h);
    Serial.print(" %\t");
    Serial.print("Temperature: ");
    Serial.print(t);
    Serial.print(" *C ");
    Serial.print(f);
    Serial.print(" *F\t");
    Serial.print("Heat index: ");
    Serial.print(hic);
    Serial.print(" *C ");
    Serial.print(hif);
    Serial.println(" *F");
    
    showTemperature(t,h);
      getYouTubestats();
      display.update();
    delay(5000);
    
    timeSinceLastRead = 0;
  }
  delay(100);
  timeSinceLastRead += 100;
}


void showTemperature(float tempValue, float humValue)
{
  const GFXfont* f = &FreeSansBold24pt7b;

  const char* name18 = "FreeSansBold18pt7b";
  const GFXfont* f18pt = &FreeSansBold18pt7b;
  
  const char* name9 = "FreeSans9pt7b";
  const GFXfont* f9pt = &FreeSans9pt7b;
  
  display.setTextColor(GxEPD_BLACK);
  display.setFont(f18pt);
  display.setCursor(10, 40);
  display.print(tempValue,1);
  display.setCursor(118, 40);
  display.print(humValue,0);
  display.print("%\t");
  display.setFont(f9pt);
  display.setCursor(80, 40);
  display.setTextColor(GxEPD_BLACK);
  display.println("*C");
  display.drawLine(0,60,264,60,GxEPD_BLACK);
  display.drawLine(105,0,105,60,GxEPD_BLACK);
}

void showYouTube(long viewCount, long videoCount, long subscribers)
{
  const char* name = "FreeSansBold24pt7b";
  const GFXfont* f = &FreeSansBold24pt7b;

  const char* name18 = "FreeSansBold18pt7b";
  const GFXfont* f18pt = &FreeSansBold18pt7b;
  
  const char* name9 = "FreeSans9pt7b";
  const GFXfont* f9pt = &FreeSans9pt7b;
  
  display.setTextColor(GxEPD_BLACK);
  display.setFont(f);
  //int x=(subscribers.length()*20)/2;  // make the text in the center of the display 30
  //display.setTextWrap(true);
  display.setCursor(50, 120);
  display.println(subscribers);
  display.setFont(f9pt);
  display.setCursor(60, 140);
  display.setTextColor(GxEPD_BLACK);
  display.println("Subscribers");
  
 // display.drawBitmap(30, 10, gImage_ytlogo1, 46, 32, GxEPD_RED); //60
 // display.drawBitmap(80, 10, gImage_ytlogo2, 94, 29, GxEPD_BLACK); //110

  display.drawLine(0,170,264,170,GxEPD_BLACK);
  
  display.setCursor(0, 190);
  display.print("Views:");
  display.println(viewCount);
  
  display.setCursor(112, 190);
  display.print("Videos:");
  display.println(videoCount);

}