#include <MD_Parola.h>
#include <MD_MAX72XX.h>
#include <SPI.h>
#include <DHT.h>

#define HARDWARE_TYPE MD_MAX72XX::FC16_HW

#define DATA_PIN 2
#define CLK_PIN  1
#define CS_PIN   3

#define MAX_DEVICES 4

#define DHTPIN 27
#define DHTTYPE DHT11

MD_Parola display(HARDWARE_TYPE, DATA_PIN, CLK_PIN, CS_PIN, MAX_DEVICES);
DHT dht(DHTPIN, DHTTYPE);

char msg[32];

unsigned long lastSwitch = 0;
bool showTemp = true;

void setup() {
  Serial.begin(115200);

  dht.begin();

  display.begin();
  display.setIntensity(0);
  display.displayClear();
}

void loop() {

  display.displayAnimate();   // միշտ պետք է աշխատի


  if (millis() - lastSwitch > 5000) {
    lastSwitch = millis();

    float t = dht.readTemperature();
    float h = dht.readHumidity();

    if (isnan(t) || isnan(h)) {
      strcpy(msg, "DHT ERROR");
    } else {
      if (showTemp) {
        sprintf(msg, "TEMP +%dC", (int)t);
      } else {
        sprintf(msg, "HUM %d%%", (int)h);
      }
    }

    showTemp = !showTemp;

    display.displayText(
      msg,
      PA_LEFT,
      80,        
      0,       
      PA_SCROLL_LEFT,
      PA_SCROLL_LEFT
    );
  }
}