ESP32-CAM — циклическая съёмка с сохранением фото на SD-карту по дате и времени (NTP)

#include <WiFi.h>
#include <NTPClient.h>
#include <WiFiUdp.h>
#include "esp_camera.h"
#include "camera_pins.h"
#include <SD_MMC.h>

const char* ssid = "ВАША_СЕТЬ";
const char* password = "ВАШ_ПАРОЛЬ";

WiFiUDP ntpUDP;
NTPClient timeClient(ntpUDP, "pool.ntp.org", 10800, 60000); // +3 часа, обновление раз в минуту

unsigned long previousMillis = 0;
const long interval = 10000; // интервал в мс (10 сек)

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

  // WiFi
  WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("\nWiFi connected");

  // NTP
  timeClient.begin();

  // Камера AI-Thinker
  camera_config_t config;
  config.ledc_channel = LEDC_CHANNEL_0;
  config.ledc_timer   = LEDC_TIMER_0;
  config.pin_d0 = Y2_GPIO_NUM;
  config.pin_d1 = Y3_GPIO_NUM;
  config.pin_d2 = Y4_GPIO_NUM;
  config.pin_d3 = Y5_GPIO_NUM;
  config.pin_d4 = Y6_GPIO_NUM;
  config.pin_d5 = Y7_GPIO_NUM;
  config.pin_d6 = Y8_GPIO_NUM;
  config.pin_d7 = Y9_GPIO_NUM;
  config.pin_xclk = XCLK_GPIO_NUM;
  config.pin_pclk = PCLK_GPIO_NUM;
  config.pin_vsync = VSYNC_GPIO_NUM;
  config.pin_href = HREF_GPIO_NUM;
  config.pin_sscb_sda = SIOD_GPIO_NUM;
  config.pin_sscb_scl = SIOC_GPIO_NUM;
  config.pin_pwdn = PWDN_GPIO_NUM;
  config.pin_reset = RESET_GPIO_NUM;
  config.xclk_freq_hz = 20000000;
  config.pixel_format = PIXFORMAT_JPEG;
  config.frame_size = FRAMESIZE_UXGA;
  config.jpeg_quality = 10;
  config.fb_count = 1;

  esp_err_t err = esp_camera_init(&config);
  if (err != ESP_OK) {
    Serial.printf("Camera init failed: 0x%x\n", err);
    while(1);
  }

  // SD-карта
  if (!SD_MMC.begin()) {
    Serial.println("SD Card Mount Failed");
    while(1);
  }
}

void loop() {
  unsigned long currentMillis = millis();
  if (currentMillis - previousMillis >= interval) {
    previousMillis = currentMillis;

    timeClient.update();
    String formattedTime = timeClient.getFormattedTime();
    String date = String(timeClient.getDay()) + "." +
                  String(timeClient.getMonth() + 1) + "." +
                  String(timeClient.getYear()) + "_" +
                  formattedTime.substring(0,2) + "-" +
                  formattedTime.substring(3,5) + "-" +
                  formattedTime.substring(6,8);

    String path = "/" + date + ".jpg";

    camera_fb_t * fb = esp_camera_fb_get();
    if (!fb) {
      Serial.println("Camera capture failed");
      return;
    }

    File file = SD_MMC.open(path.c_str(), FILE_WRITE);
    if (file) {
      file.write(fb->buf, fb->len);
      file.close();
      Serial.printf("Saved: %s (%d bytes)\n", path.c_str(), fb->len);
    } else {
      Serial.println("Failed to open file");
    }
    esp_camera_fb_return(fb);
  }
}