Camera Commander rev_01

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    - Project: Camera Commander
    - Source Code NOT compiled for: XIAO ESP32S3
    - Source Code created on: 2025-10-28 05:04:58

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
    /* use platformio to program my "seeed xaio esp32s3 */
    /* sense". i need to train an ai model to classify 4 */
    /* different check valve cartridges and communicate */
    /* the results to my click plc via rs232.    sensor */
    /* modality - Images with installed camera a */
/****** END SYSTEM REQUIREMENTS *****/


/* START CODE */

// Include necessary libraries
#include <Arduino.h>
#include "esp_camera.h"

// --- Camera Pin Definitions ---
// (Same as before)
#define PWDN_GPIO_NUM     -1
#define RESET_GPIO_NUM    -1
#define XCLK_GPIO_NUM     10
#define SIOD_GPIO_NUM     40
#define SIOC_GPIO_NUM     39
#define Y9_GPIO_NUM       48
#define Y8_GPIO_NUM       11
#define Y7_GPIO_NUM       12
#define Y6_GPIO_NUM       14
#define Y5_GPIO_NUM       16
#define Y4_GPIO_NUM       18
#define Y3_GPIO_NUM       17
#define Y2_GPIO_NUM       15
#define VSYNC_GPIO_NUM    38
#define HREF_GPIO_NUM     47
#define PCLK_GPIO_NUM     13

// Setup function
void setup() {
  Serial.begin(115200);
  Serial.println("ESP32 Serial Data Collector Ready. Send 'c' to capture.");

  // 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_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.pixel_format = PIXFORMAT_JPEG;
  config.frame_size = FRAMESIZE_QVGA; // 320x240
  config.jpeg_quality = 10;
  config.fb_count = 1;

  // Initialize 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.");
}

// Loop function
void loop() {
  if (Serial.available() > 0) {
    char command = Serial.read();
    if (command == 'c') {
      camera_fb_t *fb = esp_camera_fb_get();
      if (!fb) {
        Serial.println("FAIL");
        return;
      }
      // Send a header with the image size
      Serial.printf("START,%d\n", fb->len);
      // Write the raw image data
      Serial.write(fb->buf, fb->len);
      // Wait for the serial buffer to be empty before continuing
      Serial.flush();
      // Send a footer to mark end of image data
      Serial.println("END");
      esp_camera_fb_return(fb);
    }
  }
}

/* END CODE */