// LCD1602 to Arduino Uno connection example

#include <LiquidCrystal.h>

LiquidCrystal lcd(12, 11, 10, 9, 8, 7);

byte dummy[8] = {
  0b00000,
  0b01010,
  0b11111,
  0b11111,
  0b11111,
  0b01110,
  0b00100,
  0b00000
};

byte heart[8] = {
  0b00000,
  0b01010,
  0b11111,
  0b11111,
  0b11111,
  0b01110,
  0b00100,
  0b00000
};

byte smiley[8] = {
  0b00000,
  0b00000,
  0b01010,
  0b00000,
  0b00000,
  0b10001,
  0b01110,
  0b00000
};

byte frownie[8] = {
  0b00000,
  0b00000,
  0b01010,
  0b00000,
  0b00000,
  0b00000,
  0b01110,
  0b10001
};

byte armsDown[8] = {
  0b00100,
  0b01010,
  0b00100,
  0b00100,
  0b01110,
  0b10101,
  0b00100,
  0b01010
};

byte armsUp[8] = {
  0b00100,
  0b01010,
  0b00100,
  0b10101,
  0b01110,
  0b00100,
  0b00100,
  0b01010
};

//Constant frequency of beep note
#define Beep  1100

//This is the signaling pin for buzzer
#define SPEAKER_PIN 13

//const uint8_t buttonPins[] = {3, 4, 5, 6};

void setup() {
  Serial.begin(115200);
  //Serial.println(F("Serial iniciada!"));
  
  //Initializing pin 13 as Output
  pinMode(SPEAKER_PIN, OUTPUT);

  preparaBotao();
  preparaLed();

  // create a new character
  lcd.createChar(1, heart);
  // create a new character
  lcd.createChar(2, smiley);
  // create a new character
  lcd.createChar(3, frownie);
  // create a new character
  lcd.createChar(4, armsDown);
  // create a new character
  lcd.createChar(5, armsUp); 
  
  lcd.clear();
  // Turn off the display:
  lcd.noDisplay();
  delay(500);
  // Turn on the display:
  lcd.display();
  lcd.begin(16, 2);
  // you can now interact with the LCD, e.g.:

  // play the second
  tone(SPEAKER_PIN, Beep);  
  // wait 100ms
  delay(100);
  // stop the sound
  noTone(SPEAKER_PIN);

  lcd.setCursor(0,0);
  lcd.print("Smart Home");
  Serial.println("Smart Home");
  lcd.setCursor(0,1);
  lcd.print("Application");
  Serial.println("Application");
  delay(2000);
  
  lcd.clear();
  lcd.setCursor(0,0);
  lcd.print("LCD 16x2 Char");
  Serial.println("LCD 16x2 Char");
  lcd.setCursor(0,1);
  lcd.print("Test Started");
  Serial.println("Test Started");
  delay(2000);
  lcd.begin(16, 2);
  
  lcd.setCursor(0,0);
  for (int Lin1 = 0; Lin1 < 16; Lin1++) {
    lcd.print("#");
    Serial.print("#");    
    setFlag(!getFlag());
    verificaFlag();
    delay(200);
  }

  Serial.println();
  lcd.setCursor(0, 1);
  for (int Lin2 = 0; Lin2 < 16; Lin2++) {
    lcd.print("#");
    Serial.print("#");      
    setFlag(!getFlag());
    verificaFlag();
    delay(200);
  }

  Serial.println();
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Test Finished!");
  Serial.println("Test Finished!");
  lcd.setCursor(0, 1);
  lcd.print("Time ");
  Serial.print("Time ");
  lcd.print(millis() / 1000);
  Serial.print(millis() / 1000);
  lcd.print("sec");
  Serial.println("sec");
  delay(1000);

  // ...
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("System Ready");
  Serial.print("System Ready :)");
  Serial.println();    
  //lcd.setCursor(0, 1);
  //lcd.print("Waiting data...");
  
  // play the second
  tone(SPEAKER_PIN, Beep);  
  // wait 100ms
  delay(100);
  // stop the sound
  noTone(SPEAKER_PIN);

  // set the cursor to the top row, 14th position:
  lcd.setCursor(13, 0);
  // draw the smile:
  lcd.write(2);
  delay(10);
}

void loop() {
  //lcd.setCursor(8, 1);
  // draw the time in milliseconds:
  //lcd.print(millis() / 1000);
  //lcd.print(" sec");
  verificaBotao();
  verificaFlag();
}