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/* Copyright (C) 2011, 2012 Matthias Vogelgesang <matthias.vogelgesang@kit.edu>
(Karlsruhe Institute of Technology)
This library is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by the
Free Software Foundation; either version 2.1 of the License, or (at your
option) any later version.
This library is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
details.
You should have received a copy of the GNU Lesser General Public License along
with this library; if not, write to the Free Software Foundation, Inc., 51
Franklin St, Fifth Floor, Boston, MA 02110, USA */
#include <stdlib.h>
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include <pcilib.h>
#include "uca.h"
#include "uca-cam.h"
#include "uca-grabber.h"
#define set_void(p, type, value) { *((type *) p) = value; }
#define GET_HANDLE(cam) ((pcilib_t *) cam->user)
static void uca_ipe_handle_error(const char *format, ...)
{
if (format) {
va_list ap;
va_start(ap, format);
vprintf(format, ap);
printf("\n");
va_end(ap);
}
}
static uint32_t uca_ipe_set_property(struct uca_camera_priv *cam, enum uca_property_ids property, void *data)
{
pcilib_t *handle = GET_HANDLE(cam);
pcilib_register_value_t value = *((pcilib_register_value_t *) data);
switch (property) {
case UCA_PROP_EXPOSURE:
pcilib_write_register(handle, NULL, "exp_time", value);
break;
default:
return UCA_ERR_CAMERA | UCA_ERR_PROP | UCA_ERR_INVALID;
}
return UCA_NO_ERROR;
}
static uint32_t uca_ipe_get_property(struct uca_camera_priv *cam, enum uca_property_ids property, void *data, size_t num)
{
pcilib_t *handle = GET_HANDLE(cam);
pcilib_register_value_t value = 0;
switch (property) {
case UCA_PROP_NAME:
strncpy((char *) data, "IPE PCIe based on CMOSIS CMV2000", num);
break;
case UCA_PROP_BITDEPTH:
set_void(data, uint32_t, 16);
break;
case UCA_PROP_WIDTH:
set_void(data, uint32_t, 2048);
break;
case UCA_PROP_HEIGHT:
set_void(data, uint32_t, 1088);
break;
case UCA_PROP_EXPOSURE:
pcilib_read_register(handle, NULL, "exp_time", &value);
set_void(data, uint32_t, (uint32_t) value);
case UCA_PROP_TEMPERATURE_SENSOR:
pcilib_read_register(handle, NULL, "cmosis_temperature", &value);
set_void(data, uint32_t, (uint32_t) value);
break;
case UCA_PROP_PGA_GAIN:
pcilib_read_register(handle, NULL, "pga", &value);
set_void(data, uint32_t, (uint32_t) value);
break;
case UCA_PROP_PGA_GAIN_MIN:
set_void(data, uint32_t, 0);
break;
case UCA_PROP_PGA_GAIN_MAX:
set_void(data, uint32_t, 3);
break;
case UCA_PROP_ADC_GAIN:
pcilib_read_register(handle, NULL, "adc_gain", &value);
set_void(data, uint32_t, (uint32_t) value);
break;
case UCA_PROP_ADC_GAIN_MIN:
set_void(data, uint32_t, 32);
break;
case UCA_PROP_ADC_GAIN_MAX:
set_void(data, uint32_t, 55);
break;
default:
return UCA_ERR_CAMERA | UCA_ERR_PROP | UCA_ERR_INVALID;
}
return UCA_NO_ERROR;
}
static uint32_t uca_ipe_start_recording(struct uca_camera_priv *cam)
{
pcilib_t *handle = cam->user;
pcilib_start(handle, PCILIB_EVENT_DATA, PCILIB_EVENT_FLAGS_DEFAULT);
return UCA_NO_ERROR;
}
static uint32_t uca_ipe_stop_recording(struct uca_camera_priv *cam)
{
pcilib_t *handle = cam->user;
pcilib_stop(handle, PCILIB_EVENT_FLAGS_DEFAULT);
return UCA_NO_ERROR;
}
static uint32_t uca_ipe_grab(struct uca_camera_priv *cam, char *buffer, void *meta_data)
{
pcilib_t *handle = GET_HANDLE(cam);
size_t size = cam->frame_width * cam->frame_height * sizeof(uint16_t);
void *data = NULL;
pcilib_event_id_t event_id;
pcilib_event_info_t event_info;
if (pcilib_trigger(handle, PCILIB_EVENT0, 0, NULL))
return UCA_ERR_CAMERA;
if (pcilib_get_next_event(handle, PCILIB_TIMEOUT_INFINITE, &event_id, sizeof(pcilib_event_info_t), &event_info))
return UCA_ERR_CAMERA;
size_t err = 0;
data = pcilib_get_data(handle, event_id, PCILIB_EVENT_DATA, &err);
if (data == NULL)
return UCA_ERR_CAMERA;
assert(err == size);
memcpy(buffer, data, size);
pcilib_return_data(handle, event_id, PCILIB_EVENT_DATA, data);
return UCA_NO_ERROR;
}
static int event_callback(pcilib_event_id_t event_id, pcilib_event_info_t *info, void *user)
{
struct uca_camera_priv *cam = (struct uca_camera_priv *) user;
pcilib_t *handle = GET_HANDLE(cam);
size_t error = 0;
void *buffer = pcilib_get_data(handle, event_id, PCILIB_EVENT_DATA, &error);
if (buffer == NULL)
return UCA_ERR_CAMERA | UCA_ERR_CALLBACK;
enum uca_buffer_status status = cam->callback(info->seqnum, buffer, NULL, cam->user);
if (status == UCA_BUFFER_RELEASE)
pcilib_return_data(handle, event_id, PCILIB_EVENT_DATA, buffer);
return UCA_NO_ERROR;
}
static uint32_t uca_ipe_register_callback(struct uca_camera_priv *cam, uca_cam_grab_callback cb, void *user)
{
if (cam->callback == NULL) {
cam->callback = cb;
cam->callback_user = user;
pcilib_stream(GET_HANDLE(cam), &event_callback, cam);
return UCA_NO_ERROR;
}
return UCA_ERR_CAMERA | UCA_ERR_CALLBACK | UCA_ERR_ALREADY_REGISTERED;
}
static uint32_t uca_ipe_release_buffer(struct uca_camera_priv *cam, void *buffer)
{
/* FIXME: call return_data */
/* pcilib_t *handle = GET_HANDLE(cam); */
/* pcilib_return_data(handle, event_id, PCILIB_EVENT_DATA, buffer); */
return UCA_NO_ERROR;
}
static uint32_t uca_ipe_destroy(struct uca_camera_priv *cam)
{
pcilib_close(GET_HANDLE(cam));
return UCA_NO_ERROR;
}
uint32_t uca_ipe_init(struct uca_camera_priv **cam, struct uca_grabber_priv *grabber)
{
pcilib_model_t model = PCILIB_MODEL_DETECT;
pcilib_set_error_handler(uca_ipe_handle_error, uca_ipe_handle_error);
pcilib_t *handle = pcilib_open("/dev/fpga0", model);
if (handle == NULL)
return UCA_ERR_CAMERA | UCA_ERR_INIT | UCA_ERR_NOT_FOUND;
pcilib_set_error_handler(&uca_ipe_handle_error, &uca_ipe_handle_error);
pcilib_reset(handle);
struct uca_camera_priv *uca = uca_cam_new();
/* Camera found, set function pointers... */
uca->destroy = &uca_ipe_destroy;
uca->set_property = &uca_ipe_set_property;
uca->get_property = &uca_ipe_get_property;
uca->start_recording = &uca_ipe_start_recording;
uca->stop_recording = &uca_ipe_stop_recording;
uca->grab = &uca_ipe_grab;
uca->register_callback = &uca_ipe_register_callback;
uca->release_buffer = &uca_ipe_release_buffer;
uca->frame_width = 2048;
uca->frame_height = 1088;
uca->user = handle;
*cam = uca;
return UCA_NO_ERROR;
}
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