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authorMatthias Vogelgesang <matthias.vogelgesang@kit.edu>2011-03-23 12:35:19 +0100
committerMatthias Vogelgesang <matthias.vogelgesang@kit.edu>2011-03-23 12:35:19 +0100
commitff7f2398283f5059e3b8e0149e0582ee7d30ad21 (patch)
tree598637736b0c8164dabad2c163b01816279f0051 /src
parent6c822e1dedff95eeb64733e8ae0f7554b01bcd17 (diff)
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Use more flexible error codes
Diffstat (limited to 'src')
-rw-r--r--src/cameras/dummy.c11
-rw-r--r--src/cameras/pco.c62
-rw-r--r--src/cameras/pf.c34
-rw-r--r--src/grabbers/me4.c33
-rw-r--r--src/uca.c6
-rw-r--r--src/uca.h53
6 files changed, 112 insertions, 87 deletions
diff --git a/src/cameras/dummy.c b/src/cameras/dummy.c
index 0d6c9d1..5bb609a 100644
--- a/src/cameras/dummy.c
+++ b/src/cameras/dummy.c
@@ -159,8 +159,9 @@ static void *uca_dummy_grab_thread(void *arg)
*/
static uint32_t uca_dummy_set_property(struct uca_camera *cam, enum uca_property_ids property, void *data)
{
+ uint32_t err = UCA_ERR_CAMERA | UCA_ERR_PROP;
if (cam->state == UCA_CAM_RECORDING)
- return UCA_ERR_PROP_CAMERA_RECORDING;
+ return err | UCA_ERR_IS_RECORDING;
switch (property) {
case UCA_PROP_WIDTH:
@@ -176,7 +177,7 @@ static uint32_t uca_dummy_set_property(struct uca_camera *cam, enum uca_property
break;
default:
- return UCA_ERR_PROP_INVALID;
+ return err | UCA_ERR_INVALID;
}
return UCA_NO_ERROR;
@@ -218,7 +219,7 @@ static uint32_t uca_dummy_get_property(struct uca_camera *cam, enum uca_property
break;
default:
- return UCA_ERR_PROP_INVALID;
+ return UCA_ERR_CAMERA | UCA_ERR_PROP | UCA_ERR_INVALID;
}
return UCA_NO_ERROR;
}
@@ -258,7 +259,7 @@ uint32_t uca_dummy_register_callback(struct uca_camera *cam, uca_cam_grab_callba
cam->callback_user = user;
}
else
- return UCA_ERR_GRABBER_CALLBACK_ALREADY_REGISTERED;
+ return UCA_ERR_CAMERA | UCA_ERR_CALLBACK | UCA_ERR_ALREADY_REGISTERED;
return UCA_NO_ERROR;
}
@@ -266,7 +267,7 @@ uint32_t uca_dummy_register_callback(struct uca_camera *cam, uca_cam_grab_callba
uint32_t uca_dummy_grab(struct uca_camera *cam, char *buffer, void *meta_data)
{
if (cam->callback != NULL)
- return UCA_ERR_GRABBER_CALLBACK_ALREADY_REGISTERED;
+ return UCA_ERR_CAMERA | UCA_ERR_CALLBACK | UCA_ERR_ALREADY_REGISTERED;
uca_dummy_memcpy(cam, buffer);
cam->current_frame++;
diff --git a/src/cameras/pco.c b/src/cameras/pco.c
index 1cad698..1b9c8b8 100644
--- a/src/cameras/pco.c
+++ b/src/cameras/pco.c
@@ -14,21 +14,23 @@
static uint32_t uca_pco_set_exposure(struct uca_camera *cam, uint32_t *exposure)
{
+ uint32_t err = UCA_ERR_CAMERA | UCA_ERR_PROP;
uint32_t e, d;
if (pco_get_delay_exposure(GET_PCO(cam), &d, &e) != PCO_NOERROR)
- return UCA_ERR_PROP_GENERAL;
+ return err | UCA_ERR_INVALID;
if (pco_set_delay_exposure(GET_PCO(cam), d, *exposure) != PCO_NOERROR)
- return UCA_ERR_PROP_GENERAL;
+ return err | UCA_ERR_INVALID;
return UCA_NO_ERROR;
}
static uint32_t uca_pco_set_delay(struct uca_camera *cam, uint32_t *delay)
{
+ uint32_t err = UCA_ERR_CAMERA | UCA_ERR_PROP;
uint32_t e, d;
if (pco_get_delay_exposure(GET_PCO(cam), &d, &e) != PCO_NOERROR)
- return UCA_ERR_PROP_GENERAL;
+ return err | UCA_ERR_INVALID;
if (pco_set_delay_exposure(GET_PCO(cam), *delay, e) != PCO_NOERROR)
- return UCA_ERR_PROP_GENERAL;
+ return err | UCA_ERR_INVALID;
return UCA_NO_ERROR;
}
@@ -42,28 +44,29 @@ static uint32_t uca_pco_destroy(struct uca_camera *cam)
static uint32_t uca_pco_set_property(struct uca_camera *cam, enum uca_property_ids property, void *data)
{
struct uca_grabber *grabber = cam->grabber;
+ uint32_t err = UCA_ERR_CAMERA | UCA_ERR_PROP;
switch (property) {
case UCA_PROP_WIDTH:
if (grabber->set_property(grabber, UCA_GRABBER_WIDTH, (uint32_t *) data) != UCA_NO_ERROR)
- return UCA_ERR_PROP_VALUE_OUT_OF_RANGE;
+ return err | UCA_ERR_OUT_OF_RANGE;
cam->frame_width = *((uint32_t *) data);
break;
case UCA_PROP_HEIGHT:
if (grabber->set_property(grabber, UCA_GRABBER_HEIGHT, (uint32_t *) data) != UCA_NO_ERROR)
- return UCA_ERR_PROP_VALUE_OUT_OF_RANGE;
+ return err | UCA_ERR_OUT_OF_RANGE;
cam->frame_height = *((uint32_t *) data);
break;
case UCA_PROP_X_OFFSET:
if (grabber->set_property(grabber, UCA_GRABBER_OFFSET_X, (uint32_t *) data) != UCA_NO_ERROR)
- return UCA_ERR_PROP_VALUE_OUT_OF_RANGE;
+ return err | UCA_ERR_OUT_OF_RANGE;
break;
case UCA_PROP_Y_OFFSET:
if (grabber->set_property(grabber, UCA_GRABBER_OFFSET_Y, (uint32_t *) data) != UCA_NO_ERROR)
- return UCA_ERR_PROP_VALUE_OUT_OF_RANGE;
+ return err | UCA_ERR_OUT_OF_RANGE;
break;
case UCA_PROP_EXPOSURE:
@@ -77,11 +80,11 @@ static uint32_t uca_pco_set_property(struct uca_camera *cam, enum uca_property_i
case UCA_PROP_GRAB_TIMEOUT:
if (grabber->set_property(grabber, UCA_GRABBER_TIMEOUT, data) != UCA_NO_ERROR)
- return UCA_ERR_PROP_VALUE_OUT_OF_RANGE;
+ return err | UCA_ERR_OUT_OF_RANGE;
break;
default:
- return UCA_ERR_PROP_INVALID;
+ return err | UCA_ERR_INVALID;
}
return UCA_NO_ERROR;
}
@@ -148,20 +151,15 @@ static uint32_t uca_pco_get_property(struct uca_camera *cam, enum uca_property_i
break;
case UCA_PROP_X_OFFSET:
- if (grabber->get_property(grabber, UCA_GRABBER_OFFSET_X, (uint32_t *) data) != UCA_NO_ERROR)
- return UCA_ERR_PROP_GENERAL;
- break;
+ return grabber->get_property(grabber, UCA_GRABBER_OFFSET_X, (uint32_t *) data);
case UCA_PROP_Y_OFFSET:
- if (grabber->get_property(grabber, UCA_GRABBER_OFFSET_Y, (uint32_t *) data) != UCA_NO_ERROR)
- return UCA_ERR_PROP_GENERAL;
- break;
+ return grabber->get_property(grabber, UCA_GRABBER_OFFSET_Y, (uint32_t *) data);
case UCA_PROP_DELAY:
{
uint32_t exposure;
- if (pco_get_delay_exposure(pco, (uint32_t *) data, &exposure) != PCO_NOERROR)
- return UCA_ERR_PROP_INVALID;
+ return pco_get_delay_exposure(pco, (uint32_t *) data, &exposure);
}
break;
@@ -176,8 +174,7 @@ static uint32_t uca_pco_get_property(struct uca_camera *cam, enum uca_property_i
case UCA_PROP_EXPOSURE:
{
uint32_t delay;
- if (pco_get_delay_exposure(pco, &delay, (uint32_t *) data) != PCO_NOERROR)
- return UCA_ERR_PROP_INVALID;
+ return pco_get_delay_exposure(pco, &delay, (uint32_t *) data);
}
break;
@@ -196,31 +193,34 @@ static uint32_t uca_pco_get_property(struct uca_camera *cam, enum uca_property_i
case UCA_PROP_GRAB_TIMEOUT:
{
uint32_t timeout;
- cam->grabber->get_property(cam->grabber, UCA_GRABBER_TIMEOUT, &timeout);
+ uint32_t err = cam->grabber->get_property(cam->grabber, UCA_GRABBER_TIMEOUT, &timeout);
+ if (err != UCA_NO_ERROR)
+ return err;
set_void(data, uint32_t, timeout);
}
break;
default:
- return UCA_ERR_PROP_INVALID;
+ return UCA_ERR_CAMERA | UCA_ERR_PROP | UCA_ERR_INVALID;
}
return UCA_NO_ERROR;
}
uint32_t uca_pco_start_recording(struct uca_camera *cam)
{
+ uint32_t err = UCA_ERR_CAMERA | UCA_ERR_INIT;
struct pco_edge *pco = GET_PCO(cam);
if (pco_arm_camera(pco) != PCO_NOERROR)
- return UCA_ERR_CAM_ARM;
+ return err | UCA_ERR_UNCLASSIFIED;
if (pco_set_rec_state(pco, 1) != PCO_NOERROR)
- return UCA_ERR_CAM_RECORD;
+ return err | UCA_ERR_UNCLASSIFIED;
return cam->grabber->acquire(cam->grabber, -1);
}
uint32_t uca_pco_stop_recording(struct uca_camera *cam)
{
if (pco_set_rec_state(GET_PCO(cam), 0) != PCO_NOERROR)
- return UCA_ERR_PROP_GENERAL;
+ return UCA_ERR_CAMERA | UCA_ERR_INIT | UCA_ERR_UNCLASSIFIED;
return UCA_NO_ERROR;
}
@@ -240,24 +240,24 @@ uint32_t uca_pco_register_callback(struct uca_camera *cam, uca_cam_grab_callback
if (cam->callback == NULL) {
cam->callback = callback;
cam->callback_user = user;
- cam->grabber->register_callback(cam->grabber, callback, NULL, user);
- return UCA_NO_ERROR;
+ return cam->grabber->register_callback(cam->grabber, callback, NULL, user);
}
- return UCA_ERR_GRABBER_CALLBACK_ALREADY_REGISTERED;
+ return UCA_ERR_CAMERA | UCA_ERR_CALLBACK | UCA_ERR_ALREADY_REGISTERED;
}
uint32_t uca_pco_init(struct uca_camera **cam, struct uca_grabber *grabber)
{
+ uint32_t err = UCA_ERR_CAMERA | UCA_ERR_INIT;
if (grabber == NULL)
- return UCA_ERR_CAM_NOT_FOUND;
+ return err | UCA_ERR_NOT_FOUND;
struct pco_edge *pco = pco_init();
if (pco == NULL)
- return UCA_ERR_CAM_NOT_FOUND;
+ return err | UCA_ERR_NOT_FOUND;
if ((pco->serial_ref == NULL) || !pco_is_active(pco)) {
pco_destroy(pco);
- return UCA_ERR_CAM_NOT_FOUND;
+ return err | UCA_ERR_NOT_FOUND;
}
struct uca_camera *uca = uca_cam_new();
diff --git a/src/cameras/pf.c b/src/cameras/pf.c
index 0bcf674..4688cd4 100644
--- a/src/cameras/pf.c
+++ b/src/cameras/pf.c
@@ -54,6 +54,7 @@ static uint32_t uca_pf_set_property(struct uca_camera *cam, enum uca_property_id
struct uca_grabber *grabber = cam->grabber;
TOKEN token = INVALID_TOKEN;
int i = 0;
+ int err = UCA_ERR_CAMERA | UCA_ERR_PROP;
/* Find a valid pf token for the property */
while (uca_to_pf[i].uca_prop != -1) {
@@ -64,33 +65,33 @@ static uint32_t uca_pf_set_property(struct uca_camera *cam, enum uca_property_id
i++;
}
if (token == INVALID_TOKEN)
- return UCA_ERR_PROP_INVALID;
+ return err | UCA_ERR_INVALID;
PFValue value;
switch (property) {
case UCA_PROP_WIDTH:
if (grabber->set_property(grabber, UCA_GRABBER_WIDTH, data) != UCA_NO_ERROR)
- return UCA_ERR_PROP_VALUE_OUT_OF_RANGE;
+ return err | UCA_ERR_OUT_OF_RANGE;
if (uca_pf_set_uint32_property(token, data, &cam->frame_width) < 0)
- return UCA_ERR_PROP_VALUE_OUT_OF_RANGE;
+ return err | UCA_ERR_OUT_OF_RANGE;
break;
case UCA_PROP_HEIGHT:
if (grabber->set_property(grabber, UCA_GRABBER_HEIGHT, data) != UCA_NO_ERROR)
- return UCA_ERR_PROP_VALUE_OUT_OF_RANGE;
+ return err | UCA_ERR_OUT_OF_RANGE;
if (uca_pf_set_uint32_property(token, data, &cam->frame_height) < 0)
- return UCA_ERR_PROP_VALUE_OUT_OF_RANGE;
+ return err | UCA_ERR_OUT_OF_RANGE;
break;
case UCA_PROP_X_OFFSET:
if (grabber->set_property(grabber, UCA_GRABBER_OFFSET_X, data) != UCA_NO_ERROR)
- return UCA_ERR_PROP_VALUE_OUT_OF_RANGE;
+ return err | UCA_ERR_OUT_OF_RANGE;
break;
case UCA_PROP_Y_OFFSET:
if (grabber->set_property(grabber, UCA_GRABBER_OFFSET_Y, data) != UCA_NO_ERROR)
- return UCA_ERR_PROP_VALUE_OUT_OF_RANGE;
+ return err | UCA_ERR_OUT_OF_RANGE;
break;
case UCA_PROP_EXPOSURE:
@@ -99,16 +100,16 @@ static uint32_t uca_pf_set_property(struct uca_camera *cam, enum uca_property_id
value.type = PF_FLOAT;
value.value.f = (float) *((uint32_t *) data) / 1000.0;
if (pfDevice_SetProperty(0, token, &value) < 0)
- return UCA_ERR_PROP_VALUE_OUT_OF_RANGE;
+ return err | UCA_ERR_OUT_OF_RANGE;
break;
case UCA_PROP_GRAB_TIMEOUT:
if (grabber->set_property(grabber, UCA_GRABBER_TIMEOUT, data) != UCA_NO_ERROR)
- return UCA_ERR_PROP_VALUE_OUT_OF_RANGE;
+ return err | UCA_ERR_OUT_OF_RANGE;
break;
default:
- return UCA_ERR_PROP_INVALID;
+ return err | UCA_ERR_INVALID;
}
return UCA_NO_ERROR;
}
@@ -124,7 +125,7 @@ static uint32_t uca_pf_get_property(struct uca_camera *cam, enum uca_property_id
if (uca_to_pf[i].uca_prop == property) {
t = pfProperty_ParseName(0, uca_to_pf[i].pf_prop);
if (t == INVALID_TOKEN || (pfDevice_GetProperty(0, t, &value) < 0))
- return UCA_ERR_PROP_INVALID;
+ return UCA_ERR_CAMERA | UCA_ERR_PROP | UCA_ERR_INVALID;
switch (value.type) {
case PF_INT:
@@ -171,7 +172,7 @@ static uint32_t uca_pf_get_property(struct uca_camera *cam, enum uca_property_id
break;
default:
- return UCA_ERR_PROP_INVALID;
+ return UCA_ERR_CAMERA | UCA_ERR_PROP | UCA_ERR_INVALID;
}
return UCA_NO_ERROR;
}
@@ -192,7 +193,7 @@ uint32_t uca_pf_grab(struct uca_camera *cam, char *buffer, void *metadata)
uint32_t err = cam->grabber->grab(cam->grabber, (void **) &frame, &cam->current_frame);
if (err != UCA_NO_ERROR)
return err;
- /* FIXME: choose according to data format */
+
memcpy(buffer, frame, cam->frame_width*cam->frame_height);
return UCA_NO_ERROR;
}
@@ -202,10 +203,9 @@ uint32_t uca_pf_register_callback(struct uca_camera *cam, uca_cam_grab_callback
if (cam->callback == NULL) {
cam->callback = callback;
cam->callback_user = user;
- cam->grabber->register_callback(cam->grabber, callback, NULL, user);
- return UCA_NO_ERROR;
+ return cam->grabber->register_callback(cam->grabber, callback, NULL, user);
}
- return UCA_ERR_GRABBER_CALLBACK_ALREADY_REGISTERED;
+ return UCA_ERR_CAMERA | UCA_ERR_CALLBACK | UCA_ERR_ALREADY_REGISTERED;
}
static uint32_t uca_pf_destroy(struct uca_camera *cam)
@@ -218,7 +218,7 @@ uint32_t uca_pf_init(struct uca_camera **cam, struct uca_grabber *grabber)
{
int num_ports;
if ((grabber == NULL) || (pfPortInit(&num_ports) < 0) || (pfDeviceOpen(0) < 0))
- return UCA_ERR_CAM_NOT_FOUND;
+ return UCA_ERR_CAMERA | UCA_ERR_INIT | UCA_ERR_NOT_FOUND;
/* We could check if a higher baud rate is supported, but... forget about
* it. We don't need high speed configuration. */
diff --git a/src/grabbers/me4.c b/src/grabbers/me4.c
index 6cd72ae..01b908d 100644
--- a/src/grabbers/me4.c
+++ b/src/grabbers/me4.c
@@ -72,9 +72,10 @@ static struct uca_sisofg_map_t *uca_me4_find_property(enum uca_grabber_constants
uint32_t uca_me4_set_property(struct uca_grabber *grabber, enum uca_grabber_constants property, void *data)
{
+ uint32_t err = UCA_ERR_GRABBER | UCA_ERR_PROP;
struct uca_sisofg_map_t *fg_prop = uca_me4_find_property(property);
if (fg_prop == NULL)
- return UCA_ERR_PROP_INVALID;
+ return err | UCA_ERR_INVALID;
switch (property) {
case UCA_GRABBER_TIMEOUT:
@@ -91,21 +92,25 @@ uint32_t uca_me4_set_property(struct uca_grabber *grabber, enum uca_grabber_cons
* the map. */
struct uca_sisofg_map_t *constant = uca_me4_find_property(*((uint32_t *) data));
if (constant != NULL)
- return Fg_setParameter(GET_FG(grabber), fg_prop->fg_id, &constant->fg_id, PORT_A) == FG_OK ? UCA_NO_ERROR : UCA_ERR_PROP_INVALID;
- return UCA_ERR_PROP_INVALID;
+ return Fg_setParameter(GET_FG(grabber), fg_prop->fg_id, &constant->fg_id, PORT_A) == FG_OK ? \
+ UCA_NO_ERROR : err | UCA_ERR_INVALID;
+ return err | UCA_ERR_INVALID;
}
else
- return Fg_setParameter(GET_FG(grabber), fg_prop->fg_id, data, PORT_A) == FG_OK ? UCA_NO_ERROR : UCA_ERR_PROP_GENERAL;
+ return Fg_setParameter(GET_FG(grabber), fg_prop->fg_id, data, PORT_A) == FG_OK ? \
+ UCA_NO_ERROR : err | UCA_ERR_INVALID;
}
uint32_t uca_me4_get_property(struct uca_grabber *grabber, enum uca_grabber_constants property, void *data)
{
+ uint32_t err = UCA_ERR_GRABBER | UCA_ERR_PROP;
struct uca_sisofg_map_t *fg_prop = uca_me4_find_property(property);
if (fg_prop == NULL)
- return UCA_ERR_PROP_INVALID;
+ return err | UCA_ERR_INVALID;
/* FIXME: translate data back to UCA_ normalized constants */
- return Fg_getParameter(GET_FG(grabber), fg_prop->fg_id, data, PORT_A) == FG_OK ? UCA_NO_ERROR : UCA_ERR_PROP_GENERAL;
+ return Fg_getParameter(GET_FG(grabber), fg_prop->fg_id, data, PORT_A) == FG_OK ? \
+ UCA_NO_ERROR : err | UCA_ERR_INVALID;
}
uint32_t uca_me4_alloc(struct uca_grabber *grabber, uint32_t pixel_size, uint32_t n_buffers)
@@ -125,27 +130,27 @@ uint32_t uca_me4_alloc(struct uca_grabber *grabber, uint32_t pixel_size, uint32_
((struct fg_apc_data *) grabber->user)->mem = mem;
return UCA_NO_ERROR;
}
- return UCA_ERR_PROP_GENERAL;
+ return UCA_ERR_GRABBER | UCA_ERR_NO_MEMORY;
}
uint32_t uca_me4_acquire(struct uca_grabber *grabber, int32_t n_frames)
{
if (GET_MEM(grabber) == NULL)
- return UCA_ERR_GRABBER_NOMEM;
+ return UCA_ERR_GRABBER | UCA_ERR_NO_MEMORY;
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;
+ return UCA_ERR_GRABBER | UCA_ERR_ACQUIRE;
}
uint32_t uca_me4_stop_acquire(struct uca_grabber *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_ERR_GRABBER | UCA_ERR_ACQUIRE;
return UCA_NO_ERROR;
}
@@ -160,7 +165,7 @@ uint32_t uca_me4_grab(struct uca_grabber *grabber, void **buffer, uint64_t *fram
last_frame = Fg_getLastPicNumberBlockingEx(me4->fg, last_frame+1, PORT_A, me4->timeout, me4->mem);
if (last_frame <= 0)
- return UCA_ERR_PROP_GENERAL;
+ return UCA_ERR_GRABBER | UCA_ERR_FRAME_TRANSFER;
*frame_number = (uint64_t) last_frame;
*buffer = Fg_getImagePtrEx(me4->fg, last_frame, PORT_A, me4->mem);
@@ -191,10 +196,10 @@ uint32_t uca_me4_register_callback(struct uca_grabber *grabber, uca_cam_grab_cal
ctrl.timeout = 1;
if (Fg_registerApcHandler(GET_FG(grabber), PORT_A, &ctrl, FG_APC_CONTROL_BASIC) != FG_OK)
- return UCA_ERR_GRABBER_CALLBACK_REGISTRATION_FAILED;
+ return UCA_ERR_GRABBER | UCA_ERR_CALLBACK;
}
else
- return UCA_ERR_GRABBER_CALLBACK_ALREADY_REGISTERED;
+ return UCA_ERR_GRABBER | UCA_ERR_CALLBACK;
return UCA_NO_ERROR;
}
@@ -203,7 +208,7 @@ uint32_t uca_me4_init(struct uca_grabber **grabber)
{
Fg_Struct *fg = Fg_Init("libFullAreaGray8.so", 0);
if (fg == NULL)
- return UCA_ERR_GRABBER_NOT_FOUND;
+ return UCA_ERR_GRABBER | UCA_ERR_NOT_FOUND;
struct uca_grabber *uca = (struct uca_grabber *) malloc(sizeof(struct uca_grabber));
memset(uca, 0, sizeof(struct uca_grabber));
diff --git a/src/uca.c b/src/uca.c
index 5b0ad85..aa41417 100644
--- a/src/uca.c
+++ b/src/uca.c
@@ -138,7 +138,7 @@ struct uca *uca_init(const char *config_filename)
while (grabber_inits[i] != NULL) {
uca_grabber_init init = grabber_inits[i];
/* FIXME: we don't only want to take the first one */
- if (init(&grabber) != UCA_ERR_GRABBER_NOT_FOUND)
+ if (init(&grabber) == UCA_NO_ERROR)
break;
i++;
}
@@ -159,7 +159,7 @@ struct uca *uca_init(const char *config_filename)
while (cam_inits[i] != NULL) {
struct uca_camera *cam = NULL;
uca_cam_init init = cam_inits[i];
- if (init(&cam, grabber) != UCA_ERR_CAM_NOT_FOUND) {
+ if (init(&cam, grabber) == UCA_NO_ERROR) {
if (current == NULL)
g_uca->cameras = current = cam;
else {
@@ -214,7 +214,7 @@ enum uca_property_ids uca_get_property_id(const char *property_name)
return i;
i++;
}
- return UCA_ERR_PROP_INVALID;
+ return UCA_ERR_CAMERA | UCA_ERR_PROP | UCA_ERR_INVALID;
}
struct uca_property *uca_get_full_property(enum uca_property_ids property_id)
diff --git a/src/uca.h b/src/uca.h
index 1664fb3..08aebfd 100644
--- a/src/uca.h
+++ b/src/uca.h
@@ -199,23 +199,42 @@ typedef struct uca_property {
extern const char *uca_unit_map[]; /**< maps unit numbers to corresponding strings */
-enum uca_errors {
- UCA_NO_ERROR = 0,
- UCA_ERR_GRABBER_NOT_FOUND,
- UCA_ERR_CAM_NOT_FOUND, /**< camera probing or initialization failed */
- UCA_ERR_PROP_INVALID, /**< the requested property is not supported by the camera */
- UCA_ERR_PROP_GENERAL, /**< error occured reading/writing the property */
- UCA_ERR_PROP_VALUE_OUT_OF_RANGE, /**< error occured writing the property */
- UCA_ERR_PROP_CAMERA_RECORDING, /**< cannot set/get property because camera is recording */
-
- UCA_ERR_CAM_ARM, /**< camera is not armed */
- UCA_ERR_CAM_RECORD, /**< could not record */
-
- UCA_ERR_GRABBER_ACQUIRE, /**< grabber couldn't acquire a frame */
- UCA_ERR_GRABBER_NOMEM, /**< no memory was allocated using uca_grabber->alloc() */
- UCA_ERR_GRABBER_CALLBACK_REGISTRATION_FAILED,
- UCA_ERR_GRABBER_CALLBACK_ALREADY_REGISTERED
-};
+
+/*
+ * 16 bits error code
+ * 4 bits error source
+ * 4 bits error class
+ * 4 bits reserved
+ * 4 bits error level
+ */
+
+#define UCA_NO_ERROR 0x00000000
+
+#define UCA_ERR_MASK_CODE 0x0000FFFF
+#define UCA_ERR_MASK_SOURCE 0x000F0000
+#define UCA_ERR_MASK_TYPE 0x00F00000
+#define UCA_ERR_MASK_RESRV 0x0F000000
+#define UCA_ERR_MASK_LEVEL 0xF0000000
+
+#define UCA_ERR_GRABBER 0x00010000
+#define UCA_ERR_CAMERA 0x00020000
+
+#define UCA_ERR_INIT 0x00100000 /**< error during initialization */
+#define UCA_ERR_PROP 0x00200000 /**< error while setting/getting property */
+#define UCA_ERR_CALLBACK 0x00300000 /**< callback-related errors */
+
+#define UCA_ERR_FAILURE 0x10000000
+#define UCA_ERR_WARNING 0x20000000
+
+#define UCA_ERR_UNCLASSIFIED 0x10000001
+#define UCA_ERR_NOT_FOUND 0x10000002
+#define UCA_ERR_INVALID 0x10000003
+#define UCA_ERR_NO_MEMORY 0x10000004
+#define UCA_ERR_OUT_OF_RANGE 0x10000005
+#define UCA_ERR_ACQUIRE 0x10000006
+#define UCA_ERR_IS_RECORDING 0x10000007 /**< error because device is recording */
+#define UCA_ERR_FRAME_TRANSFER 0x10000008
+#define UCA_ERR_ALREADY_REGISTERED 0x10000009
/**
* Keeps a list of cameras and grabbers.