who_camera.h

#pragma once

#include "esp_camera.h"
#include "freertos/FreeRTOS.h"
#include "freertos/queue.h"
#include "freertos/semphr.h"
#include "freertos/task.h"

// #define XCLK_FREQ_HZ 20000000
// #define XCLK_FREQ_HZ 15000000
#define XCLK_FREQ_HZ 12000000 // The test found that the lower the frequency, the faster the frame rate

// #define JPEG_QUALITY 4 // The lower the value, the higher the quality
#define JPEG_QUALITY 10
// #define JPEG_QUALITY 12

#ifdef __cplusplus
extern "C" {
#endif
/**
 * @brief Initialize camera
 *
 * @param pixformat    One of
 *                     - PIXFORMAT_RGB565
 *                     - PIXFORMAT_YUV422
 *                     - PIXFORMAT_GRAYSC
 *                     - PIXFORMAT_JPEG
 *                     - PIXFORMAT_RGB888
 *                     - PIXFORMAT_RAW
 *                     - PIXFORMAT_RGB444
 *                     - PIXFORMAT_RGB555
 * @param frame_size   One of
 *                     - FRAMESIZE_96X96,    // 96x96
 *                     - FRAMESIZE_QQVGA,    // 160x120
 *                     - FRAMESIZE_QCIF,     // 176x144
 *                     - FRAMESIZE_HQVGA,    // 240x176
 *                     - FRAMESIZE_240X240,  // 240x240
 *                     - FRAMESIZE_QVGA,     // 320x240
 *                     - FRAMESIZE_CIF,      // 400x296
 *                     - FRAMESIZE_HVGA,     // 480x320
 *                     - FRAMESIZE_VGA,      // 640x480
 *                     - FRAMESIZE_SVGA,     // 800x600
 *                     - FRAMESIZE_XGA,      // 1024x768
 *                     - FRAMESIZE_HD,       // 1280x720
 *                     - FRAMESIZE_SXGA,     // 1280x1024
 *                     - FRAMESIZE_UXGA,     // 1600x1200
 *                     - FRAMESIZE_FHD,      // 1920x1080
 *                     - FRAMESIZE_P_HD,     //  720x1280
 *                     - FRAMESIZE_P_3MP,    //  864x1536
 *                     - FRAMESIZE_QXGA,     // 2048x1536
 *                     - FRAMESIZE_QHD,      // 2560x1440
 *                     - FRAMESIZE_WQXGA,    // 2560x1600
 *                     - FRAMESIZE_P_FHD,    // 1080x1920
 *                     - FRAMESIZE_QSXGA,    // 2560x1920
 * @param fb_count     Number of frame buffers to be allocated. If more than
 * one, then each frame will be acquired (double speed)
 */
void register_camera(const pixformat_t pixel_fromat,
                     const framesize_t frame_size, const uint8_t fb_count,
                     const QueueHandle_t frame_o, const int vflip, const int hflip,
                     const int d0, const int d1, const int d2, const int d3,
                     const int d4, const int d5, const int d6, const int d7,
                     const int xclk, const int pclk, const int vsync,
                     const int href, const int sda, const int scl,
                     const int pwdn, const int reset);

#ifdef __cplusplus
}
#endif