// Example 1 take some photos
#include "esp_camera.h"
#include "FS.h" // SD Card ESP32
#include "SD_MMC.h" // SD Card ESP32
#include "soc/soc.h" // Disable brownout problems
#include "soc/rtc_cntl_reg.h" // Disable brownout problems
#include "driver/rtc_io.h"
// Pin definition for CAMERA_MODEL_AI_THINKER
// Change pin definition if you're using another ESP32 with camera module
#define PWDN_GPIO_NUM 32
#define RESET_GPIO_NUM -1
#define XCLK_GPIO_NUM 0
#define SIOD_GPIO_NUM 26
#define SIOC_GPIO_NUM 27
#define Y9_GPIO_NUM 35
#define Y8_GPIO_NUM 34
#define Y7_GPIO_NUM 39
#define Y6_GPIO_NUM 36
#define Y5_GPIO_NUM 21
#define Y4_GPIO_NUM 19
#define Y3_GPIO_NUM 18
#define Y2_GPIO_NUM 5
#define VSYNC_GPIO_NUM 25
#define HREF_GPIO_NUM 23
#define PCLK_GPIO_NUM 22
// Keep track of number of pictures
unsigned int pictureNumber = 0;
// Stores the camera configuration parameters
camera_config_t config;
void setup() {
WRITE_PERI_REG(RTC_CNTL_BROWN_OUT_REG, 0);//disable brownout detector
Serial.begin(115200);
// Initialize the camera
Serial.print("Initializing the camera module...");
configInitCamera();
Serial.println("Ok!");
// Initialize MicroSD
Serial.print("Initializing the MicroSD card module... ");
initMicroSDCard();
}
void loop() {
// Path where new picture will be saved in SD Card
String path = "/picture" + String(pictureNumber) +".jpg";
Serial.printf("Picture file name: %s\n", path.c_str());
takeSavePhoto(path);
pictureNumber++;
delay(10000);
}
void configInitCamera(){
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; //YUV422,GRAYSCALE,RGB565,JPEG
// Select lower framesize if the camera doesn't support PSRAM
if(psramFound()){
config.frame_size=FRAMESIZE_UXGA;//FRAMESIZE_+QVGA|CIF|VGA|SVGA|XGA|SXGA|UXGA
config.jpeg_quality = 40; //0-63 lower number means higher quality
config.fb_count = 2;
} else {
config.frame_size = FRAMESIZE_SVGA;
config.jpeg_quality = 12;
config.fb_count = 1;
}
// Initialize the Camera
esp_err_t err = esp_camera_init(&config);
if (err != ESP_OK) {
Serial.printf("Camera init failed with error 0x%x", err);
return;
}
}
void initMicroSDCard(){
// Start Micro SD card
Serial.println("Starting SD Card");
if(!SD_MMC.begin()){
Serial.println("SD Card Mount Failed");
return;
}
uint8_t cardType = SD_MMC.cardType();
if(cardType == CARD_NONE){
Serial.println("No SD Card attached");
return;
}
}
void takeSavePhoto(String path){
// Take Picture with Camera
camera_fb_t * fb = esp_camera_fb_get();
if(!fb) {
Serial.println("Camera capture failed");
return;
}
// Save picture to microSD card
fs::FS &fs = SD_MMC;
File file = fs.open(path.c_str(), FILE_WRITE);
if(!file){
Serial.println("Failed to open file in writing mode");
}
else {
file.write(fb->buf, fb->len); // payload (image), payload length
Serial.printf("Saved file to path: %s\n", path.c_str());
}
file.close();
// return the frame buffer back to the driver for reuse
esp_camera_fb_return(fb);
}