Content CatLoRa Lab 7

content-catlora-lab7.ino

#include <TimeLib.h>
#include <Wire.h>
#include <DS3231.h>

DS3231 clock;

char datetimeBuffer[32];

uint8_t seconds = 0;

void setup()
{
  Serial.begin(115200);
  delay(2000);

  // Initialize DS3231
  Serial.println("Initialize DS3231");
  clock.begin();
  if (clock.isReady() && Serial) {
    clock.setDateTime(__DATE__, __TIME__);
  }
}

void loop()
{
  RTCDateTime dt = clock.getDateTime();

  if (dt.second != seconds) {
    seconds = dt.second;

    //-----DateTime Format-----
    sprintf(datetimeBuffer,
            "%04d-%02d-%02d %02d:%02d:%02d",
            dt.year,
            dt.month,
            dt.day,
            dt.hour,
            dt.minute,
            dt.second);

            
    //-----GET Temperature of DS3231-----
    // The temperature registers are updated after every 64-second conversion.
    // If you want force temperature conversion use forceConversion()
    clock.forceConversion();
    float temperature = clock.readTemperature();

    
    //-----SHOW RESULT-----
    Serial.print("DATE TIME : ");
    Serial.println(datetimeBuffer);
    
    Serial.print("UNIX TIME : ");
    Serial.println(dt.unixtime);

    Serial.print("TEMPERATURE : ");
    Serial.print(temperature);
    Serial.println(" C");

    Serial.println();

  }
}