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#include <stdlib.h>
#include <string.h>
#include <clser.h>
#include <fgrab_struct.h>
#include <fgrab_prototyp.h>
#include "uca.h"
#include "uca-grabber.h"
struct uca_me4_grabber_t {
Fg_Struct *fg;
dma_mem *mem;
};
#define GET_FG(grabber) (((struct uca_me4_grabber_t *) grabber->user)->fg)
#define GET_MEM(grabber) (((struct uca_me4_grabber_t *) grabber->user)->mem)
uint32_t uca_me4_destroy(struct uca_grabber_t *grabber)
{
if (grabber != NULL) {
Fg_FreeMemEx(GET_FG(grabber), GET_MEM(grabber));
Fg_FreeGrabber(GET_FG(grabber));
}
return UCA_NO_ERROR;
}
uint32_t uca_me4_set_property(struct uca_grabber_t *grabber, enum uca_property_ids property, void *data)
{
return Fg_setParameter(GET_FG(grabber), property, data, PORT_A) == FG_OK ? UCA_NO_ERROR : UCA_ERR_PROP_GENERAL;
}
uint32_t uca_me4_get_property(struct uca_grabber_t *grabber, enum uca_property_ids property, void *data)
{
return Fg_getParameter(GET_FG(grabber), property, data, PORT_A) == FG_OK ? UCA_NO_ERROR : UCA_ERR_PROP_GENERAL;
}
uint32_t uca_me4_alloc(struct uca_grabber_t *grabber, uint32_t pixel_size, uint32_t n_buffers)
{
if (GET_MEM(grabber) != NULL)
/* FIXME: invent better error code */
return UCA_ERR_PROP_GENERAL;
uint32_t width, height;
uca_me4_get_property(grabber, FG_WIDTH, &width);
uca_me4_get_property(grabber, FG_HEIGHT, &height);
/* FIXME: get size of pixel */
dma_mem *mem = Fg_AllocMemEx(GET_FG(grabber), n_buffers*width*height*pixel_size, n_buffers);
if (mem != NULL) {
((struct uca_me4_grabber_t *) grabber->user)->mem = mem;
return UCA_NO_ERROR;
}
return UCA_ERR_PROP_GENERAL;
}
uint32_t uca_me4_acquire(struct uca_grabber_t *grabber, int32_t n_frames)
{
if (GET_MEM(grabber) == NULL)
return UCA_ERR_GRABBER_NOMEM;
int flag = grabber->asynchronous ? ACQ_STANDARD : ACQ_BLOCK;
n_frames = n_frames < 0 ? GRAB_INFINITE : n_frames;
if (Fg_AcquireEx(GET_FG(grabber), 0, n_frames, flag, GET_MEM(grabber)) == FG_OK)
return UCA_NO_ERROR;
return UCA_ERR_GRABBER_ACQUIRE;
}
uint32_t uca_me4_stop_acquire(struct uca_grabber_t *grabber)
{
if (GET_MEM(grabber) != NULL)
if (Fg_stopAcquireEx(GET_FG(grabber), 0, GET_MEM(grabber), STOP_SYNC) != FG_OK)
return UCA_ERR_PROP_GENERAL;
return UCA_NO_ERROR;
}
uint32_t uca_me4_grab(struct uca_grabber_t *grabber, void **buffer)
{
int32_t last_frame;
if (grabber->asynchronous)
last_frame = Fg_getLastPicNumberEx(GET_FG(grabber), PORT_A, GET_MEM(grabber));
else
last_frame = Fg_getLastPicNumberBlockingEx(GET_FG(grabber), 1, PORT_A, 10, GET_MEM(grabber));
if (last_frame <= 0)
return UCA_ERR_PROP_GENERAL;
*buffer = Fg_getImagePtrEx(GET_FG(grabber), last_frame, PORT_A, GET_MEM(grabber));
return UCA_NO_ERROR;
}
uint32_t uca_me4_init(struct uca_grabber_t **grabber)
{
/* FIXME: find out if this board/grabber is running */
Fg_Struct *fg = Fg_Init("libFullAreaGray8.so", 0);
if (fg == NULL)
return UCA_ERR_GRABBER_NOT_FOUND;
struct uca_grabber_t *uca = (struct uca_grabber_t *) malloc(sizeof(struct uca_grabber_t));
struct uca_me4_grabber_t *me4 = (struct uca_me4_grabber_t *) malloc(sizeof(struct uca_me4_grabber_t));
me4->fg = fg;
me4->mem = NULL;
uca->user = me4;
uca->destroy = &uca_me4_destroy;
uca->set_property = &uca_me4_set_property;
uca->get_property = &uca_me4_get_property;
uca->alloc = &uca_me4_alloc;
uca->acquire = &uca_me4_acquire;
uca->stop_acquire = &uca_me4_stop_acquire;
uca->grab = &uca_me4_grab;
*grabber = uca;
return UCA_NO_ERROR;
}
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