#include <LiquidCrystal_I2C.h> 
#include <Wire.h>
#include <Arduino_JSON.h>

//{"dispositivo":"display", "posicao":0, "dados":[B01010,B01010,B00000,B11011,B10010,B11011,B01010,B11011]}
//{"dispositivo":"display", "posicao":0, "dados":[0x0A,0x0A,0x00,0x1B,0x12,0x1B,0x0A,0x1B]}
//"{\"dispositivo\":\"display\", \"posicao\":0, \"dados\":[0x0A,0x0A,0x00,0x1B,0x12,0x1B,0x0A,0x1B]}"
//"{\"dispositivo\":\"display\", \"posicao\":0, \"dados\":[10,10,0,27,18,27,10,27]}"
//{"dispositivo":"display", "posicao":0, "dados":[10,10,0,27,18,27,10,27]}

// Define o endereço do LCD no barramento I2C e o 
// número de colunas e linhas (16x2)
LiquidCrystal_I2C lcd(0x27,16,2);
int posicao=0;
int dado[8] ={};
void setup() 
{ 
  
  Serial.begin(9600);// Inicializa serial 
  lcd.init();               // Inicializa LCD
  lcd.backlight();          // Liga luz do LCD
  lcd.print("Custom Chars");// Escreve no LCD

  //uint8_t se[8] PROGMEM = {10,10,0,27,18,27,10,27};
  
 // uint8_t se[8] PROGMEM = {B01010,B01010,B00000,B11011,B10010,B11011,B01010,B11011};
  //lcd.createChar(0,se);

//  uint8_t hi[8] PROGMEM = {B10101,B11101,B10101,B00000,B11111,B00000,B10001,B11011};
//  lcd.createChar(1,hi);
 
 // uint8_t lo[8] PROGMEM = {B10111,B10101,B11111,B00000,B11111,B00000,B10001,B11011};
 // lcd.createChar(2,lo);
  
 // uint8_t si[8] PROGMEM = {B01001,B10101,B10001,B01001,B00101,B10101,B01001,B00000};
 // lcd.createChar(3,si);

 // uint8_t yes[8] PROGMEM = {B01010,B00100,B00100,B11011,B10010,B11011,B10001,B11011};
 // lcd.createChar(5,yes);

 // uint8_t no[8] PROGMEM = {B10010,B11010,B10110,B10010,B00000,B11110,B10010,B11110};
 // lcd.createChar(4,no);
  int16_t n = 0;
  char rx[200];
  lcd.setCursor(0,1);  //Coluna, Linha
  lcd.print("o o o ");
  //lcd.write((uint8_t)0);lcd.print(" ");
  
 // lcd.write((uint8_t)1);lcd.print(" ");
  
 // lcd.write((uint8_t)2);lcd.print(" ");
  
 // lcd.write((uint8_t)3);lcd.print(" ");

 // lcd.write((uint8_t)4);lcd.print(" ");
  //lcd.write((uint8_t)5);lcd.print(" ");
  Serial.println(Serial.available());
  while(Serial.available())
  {
    Serial.println("Loop Serial Available");
    /*
    rx[n] = (char)Serial.read();
    if (rx[n] == '{')
    {
      n = n + 1; 
      while(Serial.available() > 0)
      {     
        Serial.println("Entrou2");
        rx[n] = (char)Serial.read();
        if(rx[n] == '}')
        {
          rx[n+1] = '\0';
          n = 0;
          //Serial.println("Saiu");
          while (Serial.available() > 0) // esvazia o buffer serial
          {
            Serial.read();
          } 
        }
        else
        {
          n = n + 1;
        }
      }
      //Serial.println("teste1");
      //for(int i=0; i< strlen(rx); i++)
      //{Serial.println(rx[i]);}   
      JSONVar myObject = JSON.parse(rx);
      //Serial.println(myObject);
      Serial.println(JSON.typeof(myObject));  
      if (myObject.hasOwnProperty("dispositivo"))
      {
        //JSONVar dispos = myObject["dispositivo"];    
        if (!strcmp((const char*)myObject["dispositivo"],"display"))
        {
          Serial.println((const char*)myObject["dispositivo"]);
          Serial.print("myObject[\"dispositivo\"] = ");
          Serial.println(myObject["dispositivo"]);
          if (myObject.hasOwnProperty("dados"))
          {
            Serial.println(myObject["dados"]);
            JSONVar valor = myObject["dados"];
            for(int j=0; j<8; j++)
            {
              dado[j] = valor[j];
            }
            if (myObject.hasOwnProperty("posicao"))
            {
              Serial.println("DADO:");
              for(int i=0; i < 8; i++)
              {
                Serial.print(dado[i]);
              } 
              //JSONVar posic = myObject["posicao"];        
              posicao = (int)myObject["posicao"];
              Serial.print("\n");
              Serial.println(posicao);
              lcd.createChar((uint8_t)posicao,(uint8_t)dado);
              lcd.write((uint8_t)posicao);lcd.print(" ");
              Serial.println("aqui");
              //lcd.createChar(1,hi);
              //lcd.write((uint8_t)1);lcd.print(" ");
            }
          }
        }
      }
      //Serial.println("passou por aqui");
      //lcd.createChar((uint8_t)posicao,(uint8_t)dado);
      //lcd.write((uint8_t)posicao);lcd.print(" ");          
   
    }
    n = 0;
    */
  }
}


void loop()
{}
/*  int16_t n = 0;
  char rx[200];

  lcd.setCursor(0,1);  //Coluna, Linha
  //lcd.write((uint8_t)0);lcd.print(" ");
  
 // lcd.write((uint8_t)1);lcd.print(" ");
  
 // lcd.write((uint8_t)2);lcd.print(" ");
  
 // lcd.write((uint8_t)3);lcd.print(" ");

 // lcd.write((uint8_t)4);lcd.print(" ");
  //lcd.write((uint8_t)5);lcd.print(" ");
 lcd.print("o o o ");
  
  if (Serial.available() > 0);
  {
    rx[n] = (char)Serial.read();
  }
  if (rx[n] == '{')
  {
    n = n + 1; 
    while(Serial.available() > 0)
    {
      
      Serial.println("Entrou2");
      rx[n] = (char)Serial.read();
      if(rx[n] == '}')
      {
        rx[n+1] = '\0';
        n = 0;
        //Serial.println("Saiu");
        while (Serial.available() > 0) // esvazia o buffer serial
        {
          Serial.read();
        } 
      }
      else
      {
        n = n + 1;
      }
    }
    //Serial.println("teste1");
    //for(int i=0; i< strlen(rx); i++)
    //{Serial.println(rx[i]);}
   
    JSONVar myObject = JSON.parse(rx);
   //Serial.println(myObject);
    Serial.println(JSON.typeof(myObject));
    
    if (myObject.hasOwnProperty("dispositivo"))
    {
      //JSONVar dispos = myObject["dispositivo"];
      
      if (!strcmp((const char*)myObject["dispositivo"],"display"))
      {
        Serial.println((const char*)myObject["dispositivo"]);

        Serial.print("myObject[\"dispositivo\"] = ");
        Serial.println(myObject["dispositivo"]);
        if (myObject.hasOwnProperty("dados"))
        {
          Serial.println(myObject["dados"]);
          JSONVar valor = myObject["dados"];
          //int dado[8] = {};
          for(int j=0; j<8; j++)
          {
            dado[j] = valor[j];
          }
          if (myObject.hasOwnProperty("posicao"))
          {
            Serial.println("DADO:");
            for(int i=0; i < 8; i++)
            {
              Serial.print(dado[i]);
            } 
            //JSONVar posic = myObject["posicao"];        
            posicao = (int) myObject["posicao"];
            Serial.print("\n");
            Serial.println(posicao);
            //lcd.createChar((uint8_t)posicao,(uint8_t)dado);
            //lcd.write((uint8_t)posicao);lcd.print(" ");
            //Serial.println("aqui");
            //lcd.createChar(1,hi);
            //lcd.write((uint8_t)1);lcd.print(" ");
          }
        }
      }
    }
            
   
  }
}
*/
  
   // if (JSON.typeof(myObject) != "undefined") {
   //Serial.println("Parsing input failed!");
   //return;
  //}
  
  
  
  // Lê caractere

  // É chaves {
  //Ler até }
  //Parse
  // Verificar se tem a chave "display"
  // Verifciar a posição
  // Criar o caractere na CGRAM
  //Mostrar o caractere no LCD
/*
  {  
    for(int i=8; i<=15; i++)
    {
      lcd.setCursor(i-1,1);  //Coluna, Linha
      lcd.print(" ");lcd.write(5);
      delay(300);
      lcd.setCursor(i,1);  //Coluna, Linha
      lcd.write((uint8_t)6);
      delay(300);    
    }
    lcd.setCursor(15,1);  //Coluna, Linha
    lcd.write((uint8_t)4);
    delay(1000); 
    for(int i=15; i>=8; i--)
    {
      lcd.setCursor(i,1);  //Coluna, Linha
      lcd.write((uint8_t)7);lcd.print(" ");
      delay(300);
      lcd.setCursor(i,1);  //Coluna, Linha
      lcd.write((uint8_t)6);
      delay(300);    
    }
    lcd.setCursor(8,1);  //Coluna, Linha
    lcd.write((uint8_t)4);
    delay(1000);
  } 
*/