#include "esp_camera.h"

// Project Name
const char* projectName = "ESP32-CAM Project - Camera Test";

// Define the ESP32-CAM AI Thinker pins directly
#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

void setup() {
  Serial.begin(115200);
  Serial.setDebugOutput(true);
  delay(500);
  Serial.println();
  
  // Print project information
  Serial.println("=================================");
  Serial.println(projectName);
  Serial.println("=================================");
  Serial.println("Initializing...");

  // Print ESP32 info
  uint64_t chipid = ESP.getEfuseMac(); // The chip ID is essentially its MAC address
  Serial.printf("ESP32 Chip ID: %04X\n", (uint16_t)(chipid >> 32));
  Serial.printf("Flash Chip Size: %u MB\n", ESP.getFlashChipSize() / (1024 * 1024));
  Serial.println("---------------------------------");

  // Camera configuration
  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;
  
  // Select frame size and quality
  if(psramFound()){
    config.frame_size = FRAMESIZE_UXGA;
    config.jpeg_quality = 10;
    config.fb_count = 2;
    Serial.println("PSRAM found. Using high resolution.");
  } else {
    config.frame_size = FRAMESIZE_SVGA;
    config.jpeg_quality = 12;
    config.fb_count = 1;
    Serial.println("PSRAM not found. Using standard resolution.");
  }

  // Initialize the camera
  esp_err_t err = esp_camera_init(&config);
  if (err != ESP_OK) {
    Serial.printf("Camera init failed with error 0x%x\n", err);
    return;
  }

  Serial.println("Camera initialized successfully!");
  Serial.println("---------------------------------");
}

void loop() {
  // put your main code here, to run repeatedly:
}