/* 
 * Curso: Engenharia de Computação 3
 * Disciplina: Microcontroladores
 * Professor: Marcio Grassi
 * Estudantes: Bruno Felix, Gustavo Bossolan, Isadora Martins e Pedro Sperandio
*/
#include <DHT.h>
#include <LiquidCrystal_I2C.h>
#include <Stepper.h>
//-----------------------------------
//setup do stepper
const int stepsPorRevolucao = 200; 
const int passo180 = 100;

Stepper mystepper(stepsPorRevolucao, 8, 9, 10, 11);

bool stepperNaPosicao0 = true; 
//-----------------------------------
#define LCD_ADDR 0x27
#define LCD_LINHA 2
#define LCD_COLUNA 16
LiquidCrystal_I2C lcd(LCD_ADDR,LCD_LINHA,LCD_COLUNA);
//-----------------------------------
//setup dos componentes mais genéricos
#define LED_1 2
#define LED_2 3
#define BUZZER 4
#define BOTAO 5
#define SENSOR 13
#define TIPO_SENSOR DHT22
#define LIMITE 40

//-------------------------------------
//setup dos delays
const long INTERVALO_LEITURA = 500;
const long INTERVALO_ALARME = 200;
const long INTERVALO_BOTAO = 50;
unsigned long tempoAnteriorLeitura = 0;
unsigned long tempoAnteriorAlarme = 0;
unsigned long tempoAnteriorBotao = 0;
//-------------------------------------
//setup da biblioteca do dht
DHT dht(SENSOR, TIPO_SENSOR);

//graus
byte graus[8] = {
  0b01100,
  0b10010, 
  0b10010,
  0b01100,
  0b00000,
  0b00000,
  0b00000,
  0b00000
};
//tony feliz
byte feliz[8] = {
  0b00000,  //     
  0b00000,  //     
  0b01010,  //  █ █ 
  0b00000,  //     
  0b00000,  //     
  0b10001,  // █   █
  0b01110,  //  ███ 
  0b00000   // 
};
//tony 💀
byte caveira[8] = {
  0b00000,  //     
  0b01110,  //  ███ 
  0b10101,  // █ █ █
  0b11011,  // ██ ██
  0b01110,  //  ███ 
  0b01110,  //  ███ 
  0b00000,  //     
  0b00000   // 
};

//Variaveis de controle usadas
float temperatura = 0;
float humidade = 0; 
float tempAnterior = 0;
float humyAnterior = 0;


void setup() {
  //--------------------------------
  //startup do lcd
  lcd.begin(16,2);
  lcd.init();
  lcd.backlight();
  lcd.createChar(0, graus);
  lcd.createChar(1, feliz);
  lcd.createChar(2, caveira);
  lcd.clear();
  //--------------------------------
  //startup do dht
  dht.begin();
  Serial.begin(9600);
  Serial.println("Inicializando:");
  pinMode(LED_1, OUTPUT);
  pinMode(LED_2, OUTPUT);
  pinMode(BUZZER, OUTPUT);
  pinMode(BOTAO, INPUT_PULLUP);
  //--------------------------------
  //escolhendo velocidade do motor
  mystepper.setSpeed(60);
}
// Antiloop motor / antibounce botão
bool controleTemperaura = true;
bool controleTemperauraAnterior = true;
int ultimoEstadoBotao = HIGH;

//move para 0 graus o motor
void moverStepperPara0() 
{
  if(!stepperNaPosicao0)
  {
    Serial.println("Movendo para 0°...");
    mystepper.step(-(passo180));
    stepperNaPosicao0 = true;
  } 
}
//move para 180 graus, tinha pensado 90 no começo mas mudei e fiquei com preguiça de mudar o nome kkkk
void moverStepperPara90() 
{
    if(stepperNaPosicao0)
    {
      Serial.println("Movendo para 180°...");
      mystepper.step(passo180);   
      stepperNaPosicao0 = false;
    }
}

void loop() 
{
  unsigned long millis_atual = millis(); //contador utilizando millis
  int botaoAtual = digitalRead(BOTAO);
  
  //botao que muda o modo de exebição da temperatura
  if(botaoAtual == LOW && ultimoEstadoBotao == HIGH)
  {
    if((millis() - tempoAnteriorBotao) > INTERVALO_BOTAO)
    {
        controleTemperaura = !controleTemperaura;
        if(controleTemperaura) Serial.println("Modo C°");
        if(!controleTemperaura) Serial.println("Modo F°");
        tempoAnteriorBotao = millis();
    }
  }
  ultimoEstadoBotao = botaoAtual;
  //atualiza temperatura
  if(millis_atual - tempoAnteriorLeitura >= INTERVALO_LEITURA)
  {
    temperatura = dht.readTemperature();
    humidade = dht.readHumidity();
    tempoAnteriorLeitura = millis_atual;
  }
  //atualiza display conforme ocorre mudança de temperatura, tipo só precisa mudar se tiver
  if(temperatura != tempAnterior || controleTemperauraAnterior != controleTemperaura) 
  {
    lcd.clear();
    Serial.print("Temp: ");
    if(controleTemperaura) 
    {
      Serial.println(temperatura);
      lcd.setCursor(0,0);
      lcd.print("Temp:");
      lcd.print(temperatura,1);
      lcd.write(0); 
      lcd.print("C");
      tempAnterior = temperatura;
    }
    else
    {
      Serial.println((temperatura * 1.8) + 32);
      lcd.setCursor(0,0);
      lcd.print("Temp:");
      lcd.print((temperatura * 1.8) + 32,1);
      lcd.write(0); 
      lcd.print("F");
      tempAnterior = temperatura;
    }
  }

  controleTemperauraAnterior = controleTemperaura;

//rotaciona o stepeer simulando a abertura de uma valvula
if(temperatura <= LIMITE)
{
  moverStepperPara0();
}
else
{
  moverStepperPara90();
}

// temperatura ok, led verde ligado, vermelho desligado
if(temperatura <= LIMITE)
{
    digitalWrite(LED_2,HIGH);
    digitalWrite(LED_1,LOW);
    noTone(BUZZER);
    lcd.setCursor(0,1);
    lcd.print("Status: ");
    lcd.write(1);
    //moverStepperPara0();
}
//temperatura perigosa, ligando led vermelho e fazendo ele e o alarme piscar.
else
{
    digitalWrite(LED_2, LOW);
    lcd.setCursor(0,1);
    lcd.print("Status: ");  
    lcd.write(2);           
    lcd.print(" ALERTA"); 
    //moverStepperPara90();
    if(millis_atual - tempoAnteriorAlarme >= INTERVALO_ALARME) 
    {
        bool ligado = digitalRead(LED_1); 
        if(ligado) 
        {
            digitalWrite(LED_1, LOW);
            noTone(BUZZER); 
        } 
        else 
        {
            digitalWrite(LED_1, HIGH);
            tone(BUZZER, 1000);
        }
        tempoAnteriorAlarme = millis_atual;
    }
}

}
/*
                    praise the eletronics :D
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠣⡉⢦⢠⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣶⢃⣧⠄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣠⡴⠞⠉⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠠⢵⡤⠻⢧⢄⠀⠀⠀⠀⠀⠀⠀⠀⢰⣏⣈⣿⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣀⠤⡾⠗⠉⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣿⣴⡺⣿⣉⣉⣉⡓⠲⡖⣚⣉⡿⡇⣾⡿⢄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⡠⢖⡩⠗⠛⠛⠹⡇⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⡞⣹⣎⢎⠪⣿⡄⣨⣭⡭⠥⡿⡿⠁⣿⣿⡦⣙⠆⠤⠤⣄⠀⣀⣀⣾⠔⢊⡥⠒⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⠃⡏⠉⣻⣆⠈⠙⢿⡿⠁⢀⣃⡧⢤⡜⣏⠑⠺⢍⠒⢲⡦⣽⠯⣍⣹⠾⠅⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠛⠒⠲⠶⣄⣤⠤⣄⣀⣀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⠞⣲⢣⠎⡇⠙⢦⡀⡠⢷⢔⣯⣽⠥⢆⣷⢻⠀⢀⡬⠿⠛⣪⣳⠟⡟⠃⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⢸⠃⠉⠉⠓⠒⠭⠭⢙⣒⡒⢿⠶⢶⣶⡧⢾⣧⡾⠠⣇⣀⠤⣿⣧⡀⢹⠿⢀⣀⡀⢹⣿⡿⢯⠀⢀⣼⡋⢩⢁⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠙⠛⢶⣾⣾⣫⣍⡉⠉⢱⡖⢓⡶⠛⠛⠛⣶⣷⣜⣿⣧⣼⢋⣀⣴⣟⠉⠀⢹⣿⢼⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢳⠹⡟⢿⢷⣚⢢⢼⡄⠀⢸⣿⢿⣿⡿⣧⣽⣞⣏⠛⠻⣏⡗⠤⣾⣽⠸⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⡞⠤⣷⢸⢄⡎⠙⢦⢿⣿⡶⢶⣾⠶⣿⣿⣿⡹⠿⠀⢀⡇⣹⠉⠙⠯⠷⢷⡶⣤⣤⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣜⡼⢀⠏⠘⣮⡤⠔⠚⢏⢁⣠⣾⢣⣿⣿⣞⣿⠛⢿⣿⣟⡽⠭⢿⢿⡿⣿⢾⡧⢾⡬⠭⣕⣒⡀⠤⢤⣀⡀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢹⢷⣸⣗⠿⢋⣀⣀⣠⡼⣻⢿⢧⣏⣀⢨⢯⣿⣧⣀⠿⣏⠀⢀⣧⣎⡜⠁⠀⠀⠀⠁⠀⠀⠀⠀⠈⠉⠉⢻⡟⠫⠶⠶⢤⣄⣀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢤⣤⡗⠹⣭⣷⠿⣗⣩⣿⣾⡏⢀⣜⣷⡾⣿⡯⠭⠺⡝⣇⠀⠘⣷⠊⡎⢸⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠇⠀⠀⠀⠀⠀⠈
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣀⠔⢊⡡⣷⡞⣻⢩⡻⠒⠶⢾⠷⣝⠻⢏⡀⠰⠀⠝⣿⣀⣷⣬⢿⡤⣩⣻⢃⠟⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣠⠔⣊⠴⠂⠁⠀⠙⣷⣡⠟⠀⠀⡠⠊⠀⠀⠑⠢⣝⡶⣂⣀⣉⣩⣾⣘⠒⣛⣿⣽⡿⣷⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⡠⣔⠯⠒⠉⠀⠀⠀⠀⠀⣼⣿⡟⢷⡒⢋⠀⠀⠀⠀⠀⠀⢸⡏⠀⠀⠀⠘⡆⠘⡙⣣⡗⢳⣤⠛⣗⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⢀⣠⡶⠟⠉⠁⠀⠀⠀⠀⠀⠀⠀⠀⣷⠟⢧⠈⠳⢼⣖⡀⠀⠀⣀⠀⠈⠀⠀⠀⢀⣸⢱⡄⣷⡏⠀⠐⠋⠳⡌⢦⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⢀⡤⠖⠋⢱⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢰⡛⠀⢸⢷⡜⡮⢻⢦⡀⠀⠀⠉⠁⠀⠀⢀⡴⢾⢪⣷⢷⣃⣸⣀⠀⠀⠈⢦⣣⣀⣀⣀⣀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡌⡇⠀⡸⠀⢽⣷⣼⠀⠙⠦⣀⣀⣠⠴⣾⣻⡷⠛⣧⠟⣃⡀⢀⣈⡑⠦⡀⣔⣋⣠⡧⠤⡜⠳⣄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⠁⠃⣰⠁⡄⠉⣻⠻⡤⣀⠀⠀⢀⡏⠀⣿⣯⣧⣞⠁⡴⡿⡠⠊⠉⠉⠫⣠⠒⠉⠁⠙⢆⢈⣦⣈⣣⣀⣀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⠇⠀⠐⠁⠀⡡⣾⣽⣷⣧⡙⠒⡷⣳⠒⣺⠟⠓⢦⡉⠙⠛⢿⣅⠀⠀⠀⠀⠀⠀⠀⠀⢠⢿⣯⡁⢣⣤⠖⠋⠀⢹⡇⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠎⢀⣠⢴⣲⣿⠶⣧⡈⣟⡻⣟⡾⣷⡷⠞⠁⠀⢦⣄⠉⠲⡄⣼⡬⠦⡀⠀⠀⠀⠀⣠⣾⠟⢉⡏⣧⢸⡄⢱⣴⢺⠈⡇⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣀⠤⢼⡾⡵⢪⡿⢛⢿⣃⣬⣿⠋⣹⣾⠋⡌⠀⠀⠀⢀⣧⡘⢫⣜⡴⠋⣠⠞⢯⣵⣄⣠⢊⡼⢥⣴⡻⡀⢳⣺⣷⣚⣻⡇⠀⢱⣄⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⡴⠋⣷⢦⣿⡵⢷⣿⣱⣳⠚⢿⣾⣇⣴⡟⠁⠀⢱⡀⠀⣠⡿⠉⠉⠉⢉⣩⡾⠟⢗⣦⣍⣙⡷⠯⠖⠛⢼⣿⡱⣄⠁⠈⠫⣥⠀⠀⠈⡿⡄⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⣰⣟⠀⣼⣮⣼⡳⠀⠀⢙⢯⣗⢤⣰⣿⣎⣽⡀⢀⣀⡠⢷⣾⣋⣀⣠⠤⢾⣿⣿⣷⣤⡈⢏⢿⣹⠤⣀⠀⠀⠀⣟⡆⢻⠛⠦⣄⣿⣄⣀⡰⡃⡇⠀⠀⠀⠀
⠀⠀⠀⠀⢀⡠⠔⠋⡎⢈⠓⣯⡘⣼⣽⣄⣀⣾⠳⠋⠈⣿⠿⡽⠉⢿⠉⠉⠉⢿⣇⡀⢸⣀⣴⢿⣿⣝⣿⣿⣿⣾⢸⠗⠀⠀⠉⠒⠦⡇⢹⢮⠤⠖⠛⢻⡿⣿⡧⢵⡟⠀⠀⠀⠀
⠀⠀⠀⢰⠛⡢⣄⡜⠠⠋⡰⠛⡿⣾⠿⠛⣿⣅⠀⠀⢠⢾⢰⠃⠀⠀⠦⠀⠀⠸⣿⢾⡟⣏⣹⣿⣯⣻⣮⠙⣿⣿⣇⠀⠔⢄⠀⠀⠀⣯⠺⡈⢦⣷⠈⣁⣴⣟⡡⢻⠇⠀⠀⠀⠀
⠀⠀⠀⠘⢇⣀⣈⠽⣄⠼⠁⠘⡄⢸⢧⡜⠀⠙⢿⢶⣿⣸⠇⠀⠀⠀⢀⢹⣶⣒⠛⣿⣷⠻⣇⣿⡞⣿⢿⣾⡟⢣⡈⠻⣦⡈⢆⠀⢰⠳⣄⡹⡄⠈⡟⠛⠋⠀⢀⡼⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⢸⣇⠀⢨⣿⣄⣰⠁⡇⠀⢷⠀⠀⠀⠘⢉⠏⠀⠀⠀⠀⡞⣿⣿⣘⣯⣿⢻⣦⣻⣜⣿⣾⠿⠛⢷⣌⡟⢦⠈⠙⢾⣇⣸⣳⡈⢛⡇⢸⠁⠀⠀⠀⢸⡇⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠁⠉⠉⢻⣿⣧⣸⠀⠀⠇⣣⡀⠀⢀⠎⠀⠀⠀⠀⣰⣸⢿⡿⠿⠿⣿⡜⣿⡟⠋⠙⣽⡀⠀⠸⣾⣳⣄⠑⢄⠀⢈⡟⣶⣽⣮⢠⡇⠀⠀⠀⠀⣾⠁⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⢀⠀⢀⢀⢸⣿⣿⣿⡄⣰⠀⡇⢣⣰⠟⠀⠀⠀⠀⢀⠇⣿⣾⡇⠀⠀⠈⢳⣿⠀⠀⠀⠘⡳⡀⠀⠹⣯⢻⣿⣮⣇⣸⣽⢾⣄⢸⡼⠀⠀⠀⠀⠘⡏⠀⠀⠀⠀⠀⠀
⠀⠀⠶⢴⠶⣾⠿⠿⠿⢽⠁⢸⢿⣾⣿⢶⡤⣺⡟⠀⠀⠀⠀⠀⡸⢰⡿⣿⠀⠀⠀⠀⠘⣿⡀⠀⠀⠀⠙⡵⡄⠀⠘⣿⣿⡸⣿⠻⣜⠈⢻⣿⠃⠀⠀⠀⠀⡌⡇⠀⠀⠀⠀⠀⠀
⠀⠀⠐⠋⠉⠉⠉⠁⢒⣸⠀⢈⣆⣩⣽⢿⣏⡝⠀⠀⠀⠀⠀⢠⣇⣿⣿⡇⠀⠀⠀⠀⠀⢿⡇⠀⠀⠀⠀⠙⣜⢆⠀⣿⣷⣳⣉⢳⣌⣳⣼⠇⠀⠀⠀⠀⠀⢽⠀⠀⠀⠀⠀⠀⠀

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