Arduino/ESP32_DOMOTICZ_ECRAN/ESP32_DOMOTICZ_ECRAN.ino

/////////////////////
// Domoticz Classe
/////////////////////
#include <WiFi.h>
#include <HTTPClient.h>

#include "Domoticz.h"
Domoticz domo("192.168.1.3", "81", "Livebox-37cc", "8A6060920A8A86896F770F2C47");
//
Params   * params;
#include "Ecran.h"
Ecran * ecran;

double temp;
class Meteo {
  public:
    double temp;
    double pressure;
    int humidity;
    String description;
    String icon;
};
Meteo * meteo;

     
const char* meteo_url = "http://api.openweathermap.org/data/2.5/weather?q=La%20gacilly,fr&APPID=feba3f4d926db3b358a25ec782bd1c8b&lang=FR&units=metric";

// Convert image to char array http://www.digole.com/tools/PicturetoC_Hex_converter.php

// domoticz
String macID    = "";

void setup()
{
  Serial.begin(115200);
//
  // Conversion d'objet en pointeur
  Params p;
  params = &p;

  Meteo m;
  meteo = &m;
 // display Bitcoin Logo LCD_X
//  ecran->gotoXY(0,0); ecran->LcdString("Init :"); ecran->LcdString(domo._domoticz);
  
  domo.initWifi();
  macID  = domo.generateKey();

  readMeteo();

  delay(500);
  
  Ecran e;
  ecran = &e;

  ecran->initialise();

  ecran->intro();



//#if 1   // show image for array   
//  printf("show image for array\r\n");
//  Paint_SelectImage(BlackImage);
//  Paint_Clear(WHITE);
////  Paint_DrawBitMap(gImage_7in5_V2);
//  EPD_7IN5_V2_Display(BlackImage);
//  DEV_Delay_ms(2000);
//#endif
//
//#if 1   // Drawing on the image
//  //1.Select Image
//  printf("SelectImage:BlackImage\r\n");
//  Paint_SelectImage(BlackImage);
  ecran->clear();

  // 2.Drawing on the image
  printf("Drawing:BlackImage\r\n");
//  Paint_DrawPoint(10, 80, BLACK, DOT_PIXEL_1X1, DOT_STYLE_DFT);
//  Paint_DrawPoint(10, 90, BLACK, DOT_PIXEL_2X2, DOT_STYLE_DFT);
//  Paint_DrawPoint(10, 100, BLACK, DOT_PIXEL_3X3, DOT_STYLE_DFT);
  ecran->drawLine(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
  ecran->drawLine(70, 70, 20, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
  ecran->drawRect(3, 3, 797, 477, RED, DOT_PIXEL_3X3, DRAW_FILL_EMPTY);
  ecran->drawRect(80, 70, 130, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
  ecran->drawCircle(45, 95, 20, LUT_RED_0, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
  ecran->drawCircle(105, 95, 20, WHITE, DOT_PIXEL_1X1, DRAW_FILL_FULL);
  ecran->drawLine(85, 95, 125, 95, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
  ecran->drawLine(105, 75, 105, 115, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
  Paint_DrawString_EN(10, 0, String(meteo->description).c_str(), &Font16, BLACK, WHITE);
  Paint_DrawString_EN(10, 20, "hello world", &Font12, WHITE, BLACK);
//  Paint_DrawNum(10, 33, meteo->humidity, &Font12, BLACK, WHITE);
  Paint_DrawNum(10, 50, 987654321, &Font16, WHITE, BLACK);
//  Paint_DrawString_CN(130, 0, " 你好abc", &Font12CN, BLACK, WHITE);
//  Paint_DrawString_CN(130, 20, "微雪电子", &Font24CN, WHITE, BLACK);

  printf("EPD_Display\r\n");
  EPD_7IN5_V2_Display(ecran->BlackImage);
  DEV_Delay_ms(2000);

//  printf("Clear...\r\n");
//  EPD_7IN5_V2_Clear();
//
//  printf("Goto Sleep...\r\n");
//  EPD_7IN5_V2_Sleep();
//  free(BlackImage);
//  BlackImage = NULL;


//  ecran->LcdBitmap(LCD_X, LCD_Y, bitcoin);
//  ecran->LcdString(0,  0, domo._domoticz);
//  ecran->LcdChar(0, 10, "ID : "); 
//  ecran->LcdString(40, 10, macID);
//  domo.getIdFromDomoticz(macID, params);
    
  //readTemp();
//  printInfo();

//  for (int i = 0; i <= 100; i+=10) {
//    ecran->LcdClear();
//    ecran->drawRect(1, 1, LCD_X -1, LCD_Y -1);
//    ecran->drawJauge(10, 24, LCD_X -10, 34, i, "Jauge");
//    delay(100);
//  }

  delay(2000);
  
  // Test Json

  ecran->sleep();
}

void loop() { }

void sleepWifi()
{
  //Time to let the WiFi go to sleep!
  // printf("Sleeping...");
  WiFi.disconnect();
  WiFi.mode(WIFI_OFF);
//  WiFi.forceSleepBegin(params->sleepTime * 1000000L); //In uS. Must be same length as your delay
  delay(params->sleepTime * 1000); //Hang out at 15mA for 6 seconds
  WiFi.mode(WIFI_STA);
  // printf("Awake!");
}

void readMeteo()
{

//  if (WiFi.status()== WL_CONNECTED){              
    String sensorReadings = httpGETRequest(meteo_url);
    Serial.println(sensorReadings);
    JSONVar myObject = JSON.parse(sensorReadings);

    // JSON.typeof(jsonVar) can be used to get the type of the var
    if (JSON.typeof(myObject) == "undefined") {
      Serial.println("Parsing input failed!");
      return;
    }
  
    Serial.print("JSON object = ");
    Serial.println(myObject);
  
    // myObject.keys() can be used to get an array of all the keys in the object
    

    JSONVar main = myObject["main"];
    Serial.print("main ===>");
    Serial.println(main);
    Serial.print("weather ===>");

    JSONVar weathers = myObject["weather"];
    String weather0 = weathers[0];
//    JSONVar weather = JSON.parse(weather0);
    Serial.println(weathers[0].keys());

    JSONVar keys = main.keys();

    JSONVar t = main["temp"];
    temp = double(t);
    JSONVar d = weathers[0]["description"];
//    meteo->humidity = int(main['humidity']); 
    meteo->description = String(d);
//    Serial.println(weathers[0]["description"]);
    for (int i = 0; i < keys.length(); i++) {
      JSONVar value = main[keys[i]];
      
      Serial.print(keys[i]);
      Serial.print(" = ");
      Serial.println(value);
//      sensorReadingsArr[i] = double(value);
    }
//  }
}


String httpGETRequest(const char* serverName) {
  WiFiClient client;
  HTTPClient http;
    
  // Your Domain name with URL path or IP address with path
  http.begin(client, serverName);
  
  // If you need Node-RED/server authentication, insert user and password below
  //http.setAuthorization("REPLACE_WITH_SERVER_USERNAME", "REPLACE_WITH_SERVER_PASSWORD");
  
  // Send HTTP POST request
  int httpResponseCode = http.GET();
  
  String payload = "{}"; 
  
  if (httpResponseCode>0) {
    Serial.print("HTTP Response code: ");
    Serial.println(httpResponseCode);
    payload = http.getString();
  }
  else {
    Serial.print("Error code: ");
    Serial.println(httpResponseCode);
  }
  // Free resources
  http.end();

  return payload;
}