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-rw-r--r--NEWS2
-rw-r--r--plugins/pco/uca-pco-camera.c25
-rw-r--r--src/uca-camera.c44
-rw-r--r--src/uca-camera.h3
-rw-r--r--tools/gui/control.c10
5 files changed, 78 insertions, 6 deletions
diff --git a/NEWS b/NEWS
index f0a4c30..7a91e80 100644
--- a/NEWS
+++ b/NEWS
@@ -23,6 +23,8 @@ Minor changes
- It is now possible to generate GObject introspection meta data to bind libuca
to all languages that support GObject introspection.
+- Added uca_camera_stop_readout() to cleanup after using
+ uca_camera_start_readout().
Changes in libuca 1.0 aka 0.6
diff --git a/plugins/pco/uca-pco-camera.c b/plugins/pco/uca-pco-camera.c
index d5f5593..03a1a17 100644
--- a/plugins/pco/uca-pco-camera.c
+++ b/plugins/pco/uca-pco-camera.c
@@ -385,7 +385,7 @@ check_pco_property_error (guint err, guint property_id)
{
if (err != PCO_NOERROR) {
g_warning ("Call to libpco failed with error code %x for property `%s'",
- err,
+ err,
pco_properties[property_id]->name);
}
}
@@ -523,10 +523,28 @@ uca_pco_camera_start_readout(UcaCamera *camera, GError **error)
err = pco_get_num_images(priv->pco, priv->active_segment, &priv->num_recorded_images);
HANDLE_PCO_ERROR(err);
+ err = Fg_AcquireEx(priv->fg, priv->fg_port, GRAB_INFINITE, ACQ_STANDARD, priv->fg_mem);
+ FG_SET_ERROR(err, priv->fg, UCA_PCO_CAMERA_ERROR_FG_ACQUISITION);
+
+ priv->last_frame = 0;
priv->current_image = 1;
}
static void
+uca_pco_camera_stop_readout(UcaCamera *camera, GError **error)
+{
+ g_return_if_fail(UCA_IS_PCO_CAMERA(camera));
+ UcaPcoCameraPrivate *priv = UCA_PCO_CAMERA_GET_PRIVATE(camera);
+
+ guint err = Fg_stopAcquireEx(priv->fg, priv->fg_port, priv->fg_mem, STOP_SYNC);
+ FG_SET_ERROR(err, priv->fg, UCA_PCO_CAMERA_ERROR_FG_ACQUISITION);
+
+ err = Fg_setStatusEx(priv->fg, FG_UNBLOCK_ALL, 0, priv->fg_port, priv->fg_mem);
+ if (err == FG_INVALID_PARAMETER)
+ g_warning(" Unable to unblock all\n");
+}
+
+static void
uca_pco_camera_trigger(UcaCamera *camera, GError **error)
{
g_return_if_fail(UCA_IS_PCO_CAMERA(camera));
@@ -568,7 +586,7 @@ uca_pco_camera_grab(UcaCamera *camera, gpointer *data, GError **error)
}
pco_request_image(priv->pco);
- priv->last_frame = Fg_getLastPicNumberBlockingEx(priv->fg, priv->last_frame+1, priv->fg_port, MAX_TIMEOUT, priv->fg_mem);
+ priv->last_frame = Fg_getLastPicNumberBlockingEx(priv->fg, priv->last_frame + 1, priv->fg_port, MAX_TIMEOUT, priv->fg_mem);
if (priv->last_frame <= 0) {
guint err = FG_OK + 1;
@@ -1189,6 +1207,7 @@ uca_pco_camera_class_init(UcaPcoCameraClass *klass)
camera_class->start_recording = uca_pco_camera_start_recording;
camera_class->stop_recording = uca_pco_camera_stop_recording;
camera_class->start_readout = uca_pco_camera_start_readout;
+ camera_class->stop_readout = uca_pco_camera_stop_readout;
camera_class->trigger = uca_pco_camera_trigger;
camera_class->grab = uca_pco_camera_grab;
@@ -1383,7 +1402,7 @@ uca_pco_camera_init(UcaPcoCamera *self)
camera = UCA_CAMERA (self);
uca_camera_register_unit (camera, "sensor-width-extended", UCA_UNIT_PIXEL);
uca_camera_register_unit (camera, "sensor-height-extended", UCA_UNIT_PIXEL);
- uca_camera_register_unit (camera, "temperature", UCA_UNIT_DEGREE_CELSIUS);
+ uca_camera_register_unit (camera, "sensor-temperature", UCA_UNIT_DEGREE_CELSIUS);
uca_camera_register_unit (camera, "cooling-point", UCA_UNIT_DEGREE_CELSIUS);
uca_camera_register_unit (camera, "cooling-point-min", UCA_UNIT_DEGREE_CELSIUS);
uca_camera_register_unit (camera, "cooling-point-max", UCA_UNIT_DEGREE_CELSIUS);
diff --git a/src/uca-camera.c b/src/uca-camera.c
index 9210a05..053dcca 100644
--- a/src/uca-camera.c
+++ b/src/uca-camera.c
@@ -543,6 +543,50 @@ uca_camera_start_readout (UcaCamera *camera, GError **error)
}
/**
+ * uca_camera_stop_readout:
+ * @camera: A #UcaCamera object
+ * @error: Location to store a #UcaCameraError error or %NULL
+ *
+ * Stop reading out frames.
+ *
+ * Since: 1.1
+ */
+void
+uca_camera_stop_readout (UcaCamera *camera, GError **error)
+{
+ UcaCameraClass *klass;
+ static GStaticMutex mutex = G_STATIC_MUTEX_INIT;
+
+ g_return_if_fail (UCA_IS_CAMERA(camera));
+
+ klass = UCA_CAMERA_GET_CLASS(camera);
+
+ g_return_if_fail (klass != NULL);
+ g_return_if_fail (klass->start_readout != NULL);
+
+ g_static_mutex_lock (&mutex);
+
+ if (camera->priv->is_recording) {
+ g_set_error (error, UCA_CAMERA_ERROR, UCA_CAMERA_ERROR_RECORDING,
+ "Camera is still recording");
+ }
+ else {
+ GError *tmp_error = NULL;
+
+ (*klass->stop_readout) (camera, &tmp_error);
+
+ if (tmp_error == NULL) {
+ camera->priv->is_readout = FALSE;
+ g_object_notify (G_OBJECT (camera), "is-readout");
+ }
+ else
+ g_propagate_error (error, tmp_error);
+ }
+
+ g_static_mutex_unlock (&mutex);
+}
+
+/**
* uca_camera_set_grab_func:
* @camera: A #UcaCamera object
* @func: A #UcaCameraGrabFunc callback function
diff --git a/src/uca-camera.h b/src/uca-camera.h
index ef3bf14..78edd95 100644
--- a/src/uca-camera.h
+++ b/src/uca-camera.h
@@ -126,6 +126,7 @@ struct _UcaCameraClass {
void (*start_recording) (UcaCamera *camera, GError **error);
void (*stop_recording) (UcaCamera *camera, GError **error);
void (*start_readout) (UcaCamera *camera, GError **error);
+ void (*stop_readout) (UcaCamera *camera, GError **error);
void (*trigger) (UcaCamera *camera, GError **error);
void (*grab) (UcaCamera *camera, gpointer *data, GError **error);
@@ -141,6 +142,8 @@ void uca_camera_stop_recording (UcaCamera *camera,
GError **error);
void uca_camera_start_readout (UcaCamera *camera,
GError **error);
+void uca_camera_stop_readout (UcaCamera *camera,
+ GError **error);
void uca_camera_trigger (UcaCamera *camera,
GError **error);
void uca_camera_grab (UcaCamera *camera,
diff --git a/tools/gui/control.c b/tools/gui/control.c
index 930c4d0..aaeeb75 100644
--- a/tools/gui/control.c
+++ b/tools/gui/control.c
@@ -311,15 +311,19 @@ on_download_button_clicked (GtkWidget *widget, ThreadData *data)
ring_buffer_proceed (data->buffer);
}
- if (error->code != UCA_CAMERA_ERROR_END_OF_STREAM) {
+ if (error->code == UCA_CAMERA_ERROR_END_OF_STREAM) {
guint n_frames = ring_buffer_get_num_blocks (data->buffer);
gtk_adjustment_set_upper (data->frame_slider, n_frames - 1);
gtk_adjustment_set_value (data->frame_slider, n_frames - 1);
}
- else {
+ else
g_printerr ("Error while reading out frames: %s\n", error->message);
- }
+
+ uca_camera_stop_readout (data->camera, &error);
+
+ if (error != NULL)
+ g_printerr ("Failed to stop reading out of camera memory: %s\n", error->message);
}
static void
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-20 13:43:38 +0000