#include "DHT.h"
#include <TimerOne.h>
#include <LiquidCrystal_I2C.h>

#define I2C_ADDR    0x27
#define LCD_COLUMNS 16
#define LCD_LINES   2

#define DHTPIN 2     
#define DHTTYPE DHT22   // DHT 22  (AM2302), AM2321

DHT dht(DHTPIN, DHTTYPE);

LiquidCrystal_I2C lcd(I2C_ADDR, LCD_COLUMNS, LCD_LINES);
const int TEMP_UP = 9;
const int TEMP_DW = 8;
const int FAN_UP = 13;
const int FAN_DW = 12;

int fan_lavel =1;
int suhu_level =11;
byte bar[] = {
  B11100,
  B11100,
  B11100,
  B11100,
  B11100,
  B11100,
  B11100,
  B11100,
};
byte wind1[] = {
  B00001,
  B00011,
  B00011,
  B00001,
  B01111,
  B00110,
  B00000,
  B00000
};

byte wind2[] = {
  B00000,
  B00000,
  B01100,
  B11110,
  B10000,
  B11000,
  B11000,
  B10000
};

byte tem[] = {
  B01110,
  B01010,
  B01010,
  B01010,
  B01110,
  B11111,
  B11111,
  B01110
};
void setup() {
  pinMode(TEMP_UP, INPUT);
  pinMode(TEMP_DW, INPUT);
  pinMode(FAN_UP, INPUT);
  pinMode(FAN_DW, INPUT);
  // set up the LCD's number of columns and rows:
  lcd.begin(16, 2);
  lcd.createChar(1 , wind1); 
  lcd.createChar(2 , wind2);
  lcd.createChar(3 , tem);
  lcd.createChar(4 , bar);
  icon();
  print_fan_bar(fan_lavel);
  print_suhu_bar(suhu_level);

}

void loop() {
  delay(3000);
  int humi  = dht.readHumidity();    // read humidity
  int suhu = dht.readTemperature(); // read temperature
  
  // lcd.clear();
  // icon();
  // check if any reads failed
  if (isnan(humi) || isnan(suhu)) {
    lcd.setCursor(0, 0);
    lcd.print("Failed");
  } else {
    print_suhu(12);
    print_humi(45);
  }
}

void print_fan_bar(int lv){
  for(int i=1;i<=lv;i++){
    lcd.setCursor(lv + 1,0);
    lcd.print((char)255);
  }
}
void print_humi(int h){
  char str[3];
  sprintf(str,"%d%%", h); 
  lcd.setCursor(13,0);
  lcd.print(str);
}
void print_suhu(int t){
  char str[3];
  sprintf(str,"%dC", t); 
  lcd.setCursor(13,1);
  lcd.print(str);
}
void print_suhu_bar(int lv){
  int sisa = lv % 2;
  int i = lv / 2;
  lcd.setCursor(2,1);
  for(int j=1;j<=i;j++){
    lcd.print((char)255);
  }
  if(sisa > 0){
    lcd.write(4);
  }
}
void icon(){
  lcd.setCursor(0,0);
  lcd.write(1);
  lcd.setCursor(1,0);
  lcd.write(2);
  lcd.setCursor(0,1);
  lcd.write(3);
}