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#include <string.h>
#include <time.h>
#include <sys/time.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/event_groups.h"
#include "esp_system.h"
#include "esp_event.h"
#include "esp_log.h"
#include "esp_attr.h"
#include "esp_sleep.h"
#include "nvs_flash.h"
#include "esp_sntp.h"
#include "../include/sntp.h"
void obtain_time(void);
void initialize_sntp(void);
void time_sync_notification_cb(struct timeval *tv) {
ESP_LOGI(SNTP_TAG, "Notification of a time synchronization event");
}
void initialize_sntp(void) {
ESP_LOGI(SNTP_TAG, "Initializing SNTP");
sntp_setoperatingmode(SNTP_OPMODE_POLL);
sntp_setservername(0, "pool.ntp.org");
sntp_set_time_sync_notification_cb(time_sync_notification_cb);
sntp_init();
}
void obtain_time(void) {
initialize_sntp();
time_t now = 0;
struct tm timeinfo = {0};
int retry = 0;
const int retry_count = 10;
while (sntp_get_sync_status() == SNTP_SYNC_STATUS_RESET && ++retry < retry_count) {
ESP_LOGI(SNTP_TAG, "Waiting for system time to be set... (%d/%d)", retry, retry_count);
vTaskDelay(2000 / portTICK_PERIOD_MS);
}
time(&now);
localtime_r(&now, &timeinfo);
}
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