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#ifndef __UNIFIED_CAMERA_ACCESS_H
#define __UNIFIED_CAMERA_ACCESS_H
/**
* \file uca.h
* \brief Abstract camera model
*
* The uca_t structure represents a common interface for cameras regardless of
* their connectivity. Each camera that adheres to this model must provide an
* initialization function that probes the device and sets all function pointers
* to their respective implementation.
*/
#include <stdint.h>
struct uca_t;
/**
* \brief Camera probing and initialization
* \return UCA_ERR_INIT_NOT_FOUND if camera is not found or could not be initialized
*/
typedef uint32_t (*uca_cam_init) (struct uca_t *uca);
/**
* \brief Free camera resouces
*/
typedef uint32_t (*uca_cam_destroy) (struct uca_t *uca);
/**
* \brief Set dimension of grabbed images
* \param[in] width Width of the image
* \param[in] height Height of the image
* \note input parameters might be changed if dimensions couldn't be set
*/
typedef uint32_t (*uca_cam_set_dimensions) (struct uca_t *uca, uint32_t *width, uint32_t *height);
/**
* \brief Set bitdepth of grabbed images
*/
typedef uint32_t (*uca_cam_set_bitdepth) (struct uca_t *uca, uint8_t *bitdepth);
/**
* \brief Set exposure time in milliseconds
*/
typedef uint32_t (*uca_cam_set_exposure) (struct uca_t *uca, uint32_t *exposure);
/**
* \brief Set delay time in milliseconds
*/
typedef uint32_t (*uca_cam_set_delay) (struct uca_t *uca, uint32_t *delay);
/**
* \brief Acquire one frame
*/
typedef uint32_t (*uca_cam_acquire_image) (struct uca_t *uca, void *buffer);
#define UCA_NO_ERROR 0
#define UCA_ERR_INIT_NOT_FOUND 1 /**< camera probing or initialization failed */
#define UCA_ERR_DIMENSION_NOT_SUPPORTED 1
#define UCA_ERR_BITDEPTH_NOT_SUPPORTED 1
#define UCA_BIG_ENDIAN 1
#define UCA_LITTLE_ENDIAN 2
struct uca_t {
/* These must be set by uca_*_init() */
unsigned int image_width;
unsigned int image_height;
unsigned int image_bitdepth;
unsigned int image_flags;
/* Function pointers to camera-specific methods */
uca_cam_set_dimensions cam_set_dimensions;
uca_cam_set_bitdepth cam_set_bitdepth;
uca_cam_set_exposure cam_set_exposure;
uca_cam_set_delay cam_set_delay;
uca_cam_acquire_image cam_acquire_image;
/* Private */
uca_cam_destroy cam_destroy;
void *user; /**< private user data to be used by the camera driver */
};
struct uca_t *uca_init();
void uca_destroy(struct uca_t *uca);
#endif
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