// Include necessary libraries
#include "WiFi.h"
#include "esp_camera.h"
#include "Arduino.h"
#include "soc/soc.h" // Disable brownout problems
#include "soc/rtc_cntl_reg.h" // Disable brownout problems
#include "driver/rtc_io.h"
#include <SPIFFS.h>
#include <FS.h>
#include <Firebase_ESP_Client.h>
#include <addons/TokenHelper.h>
//#include <ArduinoJson.h> // JSON library
// Replace with your network credentials
const char* ssid = "ssID";
const char* password = "PASS";
// Replace with your Firebase project details
#define API_KEY "API"
#define USER_EMAIL "EMAIL@gmail.com"
#define USER_PASSWORD "PAASS"
#define STORAGE_BUCKET_ID "E-S.appspot.com"
#define FILE_PHOTO "/photo.jpg"
#define CAMERA_MODEL_ESP_EYE // Has PSRAM
#define PWDN_GPIO_NUM -1
#define RESET_GPIO_NUM -1
#define XCLK_GPIO_NUM 15
#define SIOD_GPIO_NUM 4
#define SIOC_GPIO_NUM 5
#define Y9_GPIO_NUM 16
#define Y8_GPIO_NUM 17
#define Y7_GPIO_NUM 18
#define Y6_GPIO_NUM 12
#define Y5_GPIO_NUM 10
#define Y4_GPIO_NUM 8
#define Y3_GPIO_NUM 9
#define Y2_GPIO_NUM 11
#define VSYNC_GPIO_NUM 6
#define HREF_GPIO_NUM 7
#define PCLK_GPIO_NUM 13
// Flags and variables
boolean takeNewPhoto = true;
FirebaseData fbdo;
FirebaseAuth auth;
FirebaseConfig configF;
bool taskCompleted = false;
void initCamera() {
// OV2640 camera module
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_sccb_sda = SIOD_GPIO_NUM;
config.pin_sccb_scl = SIOC_GPIO_NUM;
config.pin_pwdn = PWDN_GPIO_NUM;
config.pin_reset = RESET_GPIO_NUM;
config.xclk_freq_hz = 20000000;
config.frame_size = FRAMESIZE_QSXGA;
config.pixel_format = PIXFORMAT_JPEG; // for streaming
//config.pixel_format = PIXFORMAT_RGB565; // for face detection/recognition
config.grab_mode = CAMERA_GRAB_WHEN_EMPTY;
config.fb_location = CAMERA_FB_IN_PSRAM;
config.jpeg_quality = 10;
config.fb_count = 1;
// if PSRAM IC present, init with UXGA resolution and higher JPEG quality
// for larger pre-allocated frame buffer.
if (config.pixel_format == PIXFORMAT_JPEG) {
if (psramFound()) {
config.jpeg_quality = 10;
config.fb_count = 2;
config.grab_mode = CAMERA_GRAB_LATEST;
}
else {
// Limit the frame size when PSRAM is not available
config.frame_size = FRAMESIZE_SVGA;
Serial.println("FRAMESIZE_SVGA ...");
config.fb_location = CAMERA_FB_IN_DRAM;
}
} else {
// Best option for face detection/recognition
config.frame_size = FRAMESIZE_240X240;
#if CONFIG_IDF_TARGET_ESP32S3
config.fb_count = 2;
#endif
}
#if defined(CAMERA_MODEL_ESP_EYE)
pinMode(13, INPUT_PULLUP);
pinMode(14, INPUT_PULLUP);
#endif
// camera init
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();
// initial sensors are flipped vertically and colors are a bit saturated
if (s->id.PID == OV3660_PID) {
s->set_vflip(s, 1); // flip it back
s->set_brightness(s, 1); // up the brightness just a bit
s->set_saturation(s, -2); // lower the saturation
}
// drop down frame size for higher initial frame rate
if (config.pixel_format == PIXFORMAT_JPEG) {
// s->set_framesize(s, FRAMESIZE_QVGA);
s->set_framesize(s, FRAMESIZE_XGA);
Serial.println("FRAMESIZE_XGA ...");
}
#if defined(CAMERA_MODEL_M5STACK_WIDE) || defined(CAMERA_MODEL_M5STACK_ESP32CAM)
s->set_vflip(s, 1);
s->set_hmirror(s, 1);
#endif
#if defined(CAMERA_MODEL_ESP32S3_EYE)
s->set_vflip(s, 1);
#endif
// Setup LED FLash if LED pin is defined in camera_pins.h
#if defined(LED_GPIO_NUM)
setupLedFlash(LED_GPIO_NUM);
#endif
}
// Initialize WiFi connection
void initWiFi() {
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED) {
delay(1000);
Serial.println("Connecting to WiFi...");
}
Serial.println("Connected to WiFi...");
}
// Check if photo file is valid
bool checkPhoto(fs::FS& fs) {
File f_pic = fs.open(FILE_PHOTO);
unsigned int pic_sz = f_pic.size();
return (pic_sz > 100);
}
// Initialize SPIFFS file system
void initSPIFFS() {
if (!SPIFFS.begin(true)) {
Serial.println("An Error has occurred while mounting SPIFFS");
ESP.restart();
} else {
delay(500);
Serial.println("SPIFFS mounted successfully");
}
}
// Initialize camera
void capturePhotoSaveSpiffs() {
camera_fb_t* fb = NULL;
bool ok = false;
Serial.println("Taking a photo...");
fb = esp_camera_fb_get();
if (!fb) {
Serial.println("Camera capture failed");
return;
}
Serial.printf("Picture file name: %s\n", FILE_PHOTO);
File file = SPIFFS.open(FILE_PHOTO, FILE_WRITE);
if (!file) {
Serial.println("Failed to open file in writing mode");
} else {
file.write(fb->buf, fb->len);
Serial.print("The picture has been saved in ");
Serial.print(FILE_PHOTO);
Serial.print(" - Size: ");
Serial.print(file.size());
Serial.println(" bytes");
}
file.close();
esp_camera_fb_return(fb);
//ok = checkPhoto(SPIFFS);
File imageFile = SPIFFS.open(FILE_PHOTO, FILE_READ);
if (imageFile) {
//if (Firebase.ready() && !taskCompleted) {
// taskCompleted = true;
Serial.println("Uploading picture...");
if (Firebase.Storage.upload(&fbdo, STORAGE_BUCKET_ID, FILE_PHOTO, mem_storage_type_flash, FILE_PHOTO, "image/jpeg")) {
Serial.printf("Download URL: %s\n", fbdo.downloadURL().c_str());
} else {
Serial.println(fbdo.errorReason());
}
}
// } else {
// Serial.println("Failed to open image file in reading mode");
// }
imageFile.close();
SPIFFS.remove(FILE_PHOTO); // Remove image after upload
}
// Setup function
void setup() {
Serial.begin(115200);
initWiFi();
initSPIFFS();
initCamera();
configF.api_key = API_KEY;
auth.user.email = USER_EMAIL;
auth.user.password = USER_PASSWORD;
Firebase.begin(&configF, &auth);
Firebase.reconnectWiFi(true);
}
// Main loop
void loop() {
if (takeNewPhoto) {
capturePhotoSaveSpiffs();
takeNewPhoto = false;
}
delay(1);
}
Any suggestions to set QSXGA resolution image in ESP32S3 by OV5640 camera with PSRAM or without PSRAM settings.