ejemplo de código arduino esp32 getlocaltime time.h struct tm

Ejemplo: arduino esp32 getlocaltime time.h struct tm

#include <WiFi.h>
#include "time.h"

const char* ssid       = "SSID";
const char* password   = "PASS";

const char* ntpServer = "de.pool.ntp.org";
const long  gmtOffset_sec = 3600;
const int   daylightOffset_sec = 3600;
int second;
int minute;
int hour;
int day;
int month;
int year;
int weekday;
long current;
struct tm timeinfo;
  /*
struct tm
{
int    tm_sec;   //   Seconds [0,60]. 
int    tm_min;   //   Minutes [0,59]. 
int    tm_hour;  //   Hour [0,23]. 
int    tm_mday;  //   Day of month [1,31]. 
int    tm_mon;   //   Month of year [0,11]. 
int    tm_year;  //   Years since 1900. 
int    tm_wday;  //   Day of week [0,6] (Sunday =0). 
int    tm_yday;  //   Day of year [0,365]. 
int    tm_isdst; //   Daylight Savings flag. 
}
 */  

void printLocalTime()
{

  if(!getLocalTime(&timeinfo)){
    Serial.println("Failed to obtain time");
    return;
  }
  Serial.println(&timeinfo, "%A, %d %B %Y %H:%M:%S");
}

void setup()
{
  Serial.begin(115200);
  
  //connect to WiFi
  Serial.printf("Connecting to %s ", ssid);
  WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED) {
      delay(500);
      Serial.print(".");
  }
  Serial.println(" CONNECTED");
  
  //init and get the time
  configTime(gmtOffset_sec, daylightOffset_sec, ntpServer);
  printLocalTime();

  //disconnect WiFi as it's no longer needed
  WiFi.disconnect(true);
  WiFi.mode(WIFI_OFF);
}

void loop()
{
  delay(1000);
  
  printLocalTime();
  second = timeinfo.tm_sec;
  minute = timeinfo.tm_min;
  hour = timeinfo.tm_hour;
  day = timeinfo.tm_mday;
  month = timeinfo.tm_mon + 1;
  year = timeinfo.tm_year + 1900;
  weekday = timeinfo.tm_wday +1;
  Serial.print("Time from variables:  ");
  Serial.print(day);
  Serial.print(".");
  Serial.print(month);
  Serial.print(".");
  Serial.print(year);
  Serial.print(" --- ");
  Serial.print(hour);
  Serial.print(":");
  Serial.print(minute);
  Serial.print(":");
  Serial.println(second);
}

---

---

Utiliza Nuestro Buscador