diff options
| -rw-r--r-- | plugins/pco/uca-pco-camera.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/plugins/pco/uca-pco-camera.c b/plugins/pco/uca-pco-camera.c index 4972b2c..3c9b370 100644 --- a/plugins/pco/uca-pco-camera.c +++ b/plugins/pco/uca-pco-camera.c @@ -605,8 +605,10 @@ uca_pco_camera_stop_readout(UcaCamera *camera, GError **error) priv = UCA_PCO_CAMERA_GET_PRIVATE(camera); +#if 0 err = Fg_stopAcquireEx (priv->fg, priv->fg_port, priv->fg_mem, STOP_SYNC); FG_SET_ERROR (err, priv->fg, UCA_PCO_CAMERA_ERROR_FG_GENERAL); +#endif err = Fg_setStatusEx (priv->fg, FG_UNBLOCK_ALL, 0, priv->fg_port, priv->fg_mem); FG_SET_ERROR (err, priv->fg, UCA_PCO_CAMERA_ERROR_FG_GENERAL); @@ -684,6 +686,51 @@ uca_pco_camera_grab(UcaCamera *camera, gpointer data, GError **error) return TRUE; } +static gboolean +uca_pco_camera_readout (UcaCamera *camera, gpointer data, guint index, GError **error) +{ + static const gint MAX_TIMEOUT = 5; + UcaPcoCameraPrivate *priv; + guint16 *frame; + + g_return_val_if_fail (UCA_IS_PCO_CAMERA(camera), FALSE); + + priv = UCA_PCO_CAMERA_GET_PRIVATE(camera); + +#if 0 + /* XXX: the number of recorded images is not reported reliably by libpco, + * hence we ignore the check here */ + if (index >= priv->num_recorded_images) { + g_set_error (error, UCA_PCO_CAMERA_ERROR, UCA_PCO_CAMERA_ERROR_FG_GENERAL, + "Cannot readout frame %i out of %i frames in total", + index, priv->num_recorded_images); + return FALSE; + } +#endif + + if (is_edge (priv)) { + g_set_error (error, UCA_PCO_CAMERA_ERROR, UCA_PCO_CAMERA_ERROR_LIBPCO_GENERAL, + "pco.edge does not have a a readout mode"); + return FALSE; + } + + pco_read_images(priv->pco, priv->active_segment, index, index); + + priv->last_frame = Fg_getLastPicNumberBlockingEx(priv->fg, priv->last_frame + 1, + priv->fg_port, MAX_TIMEOUT, priv->fg_mem); + + if (priv->last_frame <= 0) { + g_set_error (error, UCA_PCO_CAMERA_ERROR, UCA_PCO_CAMERA_ERROR_FG_GENERAL, + "%s", Fg_getLastErrorDescription (priv->fg)); + return FALSE; + } + + frame = Fg_getImagePtrEx (priv->fg, priv->last_frame, priv->fg_port, priv->fg_mem); + memcpy((gchar *) data, (gchar *) frame, priv->buffer_size); + + return TRUE; +} + static void uca_pco_camera_set_property(GObject *object, guint property_id, const GValue *value, GParamSpec *pspec) { @@ -1455,6 +1502,7 @@ uca_pco_camera_class_init(UcaPcoCameraClass *klass) camera_class->stop_readout = uca_pco_camera_stop_readout; camera_class->trigger = uca_pco_camera_trigger; camera_class->grab = uca_pco_camera_grab; + camera_class->readout = uca_pco_camera_readout; for (guint i = 0; base_overrideables[i] != 0; i++) g_object_class_override_property(gobject_class, base_overrideables[i], uca_camera_props[base_overrideables[i]]); |