/**
   ESP32 + DHT22 Example for Wokwi
   
   https://wokwi.com/arduino/projects/322410731508073042
*/
#include <stdio.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/semphr.h"
#include "freertos/queue.h"
#include "driver/gpio.h"

#define LED_0 GPIO_NUM_4
#define GPIO_OUTPUT_PIN_SEL (1ULL<<LED_0)

#include <LiquidCrystal_I2C.h>
#define I2C_ADDR    0x27
#define LCD_COLUMNS 16
#define LCD_LINES   2
LiquidCrystal_I2C lcd(I2C_ADDR, LCD_COLUMNS, LCD_LINES);

#include "DHTesp.h"

const int DHT_PIN = 15;

DHTesp dhtSensor;

float Temperature = 0;

void setup() {
  Serial.begin(115200);
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
  lcd.init();
  lcd.backlight();

  gpio_config_t led_conf = {};
  led_conf.intr_type = GPIO_INTR_DISABLE;
  led_conf.mode = GPIO_MODE_OUTPUT;
  led_conf.pin_bit_mask = GPIO_OUTPUT_PIN_SEL;
  led_conf.pull_down_en = GPIO_PULLDOWN_DISABLE;
  led_conf.pull_up_en = GPIO_PULLUP_DISABLE;
  gpio_config(&led_conf);
  
  xTaskCreate(sensor,"sensor",4096,NULL,5,NULL);
  xTaskCreate(blink,"blink",4096,NULL,5,NULL);  

}

void sensor(void *pvParameters) {
  while(1) {
    TempAndHumidity  data = dhtSensor.getTempAndHumidity();
    Serial.println("Temp: " + String(data.temperature, 2) + "°C");
    Serial.println("Humidity: " + String(data.humidity, 1) + "%");
    Serial.println("---");

    Temperature = data.temperature;
    
    lcd.setCursor(0, 0);
    lcd.print("Temperatura:" + String(data.temperature, 1) + "\xDF"+"C");
    lcd.setCursor(0, 1);
    lcd.print(" Humidade:" + String(data.humidity, 1) + "%");
    vTaskDelay(5000/portTICK_RATE_MS);
  }
}

void blink(void *pvParameters){
  while(1) {
    if (Temperature>=30) {
      gpio_set_level(LED_0,1);
      vTaskDelay(800/portTICK_RATE_MS);
      gpio_set_level(LED_0,0);
      vTaskDelay(400/portTICK_RATE_MS);
    }
    else {
      gpio_set_level(LED_0,0);
    }
  }
}

void loop(){
  vTaskDelay(500/portTICK_RATE_MS);
}