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|
#include <Arduino.h>
#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"
#include "SPI.h"
#define MINUTES_BETWEEN_PHOTOS 1
// 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
#define BUILTIN_LED 4
// 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 the SD card
if (!SD_MMC.begin("/sdcard", true)){
Serial.println("Failed to mount SD card");
return;
}
// Specify that LED pin
pinMode(BUILTIN_LED, OUTPUT);
digitalWrite(BUILTIN_LED, LOW);
// Check for an SD card
uint8_t cardType = SD_MMC.cardType();
if (cardType == CARD_NONE){
Serial.println("No SD card attached");
return;
}
}
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());
//Take and Save Photo
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_SXGA; // FRAMESIZE_ + QVGA|CIF|VGA|SVGA|XGA|SXGA|UXGA
config.jpeg_quality = 4; //10-63 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;
}
sensor_t * s = esp_camera_sensor_get();
s->set_brightness(s, 0); // -2 to 2
s->set_contrast(s, 0); // -2 to 2
s->set_saturation(s, 0); // -2 to 2
s->set_special_effect(s, 0); // 0 to 6 (0 - No Effect, 1 - Negative, 2 - Grayscale, 3 - Red Tint, 4 - Green Tint, 5 - Blue Tint, 6 - Sepia)
s->set_whitebal(s, 1); // 0 = disable , 1 = enable
s->set_awb_gain(s, 1); // 0 = disable , 1 = enable
s->set_wb_mode(s, 0); // 0 to 4 - if awb_gain enabled (0 - Auto, 1 - Sunny, 2 - Cloudy, 3 - Office, 4 - Home)
s->set_exposure_ctrl(s, 1); // 0 = disable , 1 = enable
s->set_aec2(s, 0); // 0 = disable , 1 = enable
s->set_ae_level(s, 0); // -2 to 2
s->set_aec_value(s, 300); // 0 to 1200
s->set_gain_ctrl(s, 1); // 0 = disable , 1 = enable
s->set_agc_gain(s, 0); // 0 to 30
s->set_gainceiling(s, (gainceiling_t)0); // 0 to 6
s->set_bpc(s, 0); // 0 = disable , 1 = enable
s->set_wpc(s, 1); // 0 = disable , 1 = enable
s->set_raw_gma(s, 1); // 0 = disable , 1 = enable
s->set_lenc(s, 1); // 0 = disable , 1 = enable
s->set_hmirror(s, 0); // 0 = disable , 1 = enable
s->set_vflip(s, 0); // 0 = disable , 1 = enable
s->set_dcw(s, 1); // 0 = disable , 1 = enable
s->set_colorbar(s, 0); // 0 = disable , 1 = enable
}
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);
// Delay until the next photo
delay(MINUTES_BETWEEN_PHOTOS * 1 * 1000);
} |
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