diff options
Diffstat (limited to 'plugins/dexela/uca-dexela-camera.c')
| -rw-r--r-- | plugins/dexela/uca-dexela-camera.c | 395 |
1 files changed, 395 insertions, 0 deletions
diff --git a/plugins/dexela/uca-dexela-camera.c b/plugins/dexela/uca-dexela-camera.c new file mode 100644 index 0000000..7ec96e6 --- /dev/null +++ b/plugins/dexela/uca-dexela-camera.c @@ -0,0 +1,395 @@ +/* Copyright (C) 2011, 2012 Mihael Koep <koep@softwareschneiderei.de> + (Softwareschneiderei GmbH) + + 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 <string.h> +#include "uca-camera.h" +#include "uca-dexela-camera.h" +#include "uca-enums.h" +#include "dexela_api.h" + +#define UCA_DEXELA_CAMERA_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE((obj), UCA_TYPE_DEXELA_CAMERA, UcaDexelaCameraPrivate)) + +G_DEFINE_TYPE(UcaDexelaCamera, uca_dexela_camera, UCA_TYPE_CAMERA) +/** + * UcaDexelaCameraError: + * @UCA_DEXELA_CAMERA_ERROR_LIBDEXELA_INIT: Initializing libdexela failed + */ +GQuark uca_dexela_camera_error_quark() +{ + return g_quark_from_static_string("uca-dexela-camera-error-quark"); +} + +enum { + PROP_GAIN_MODE = N_BASE_PROPERTIES, + PROP_TEST_MODE, + N_PROPERTIES +}; + +static gint base_overrideables[] = { + PROP_NAME, + PROP_SENSOR_WIDTH, + PROP_SENSOR_HEIGHT, + PROP_SENSOR_BITDEPTH, + PROP_SENSOR_HORIZONTAL_BINNING, + PROP_SENSOR_HORIZONTAL_BINNINGS, + PROP_SENSOR_VERTICAL_BINNING, + PROP_SENSOR_VERTICAL_BINNINGS, + PROP_SENSOR_MAX_FRAME_RATE, + PROP_EXPOSURE_TIME, + PROP_TRIGGER_MODE, + PROP_ROI_X, + PROP_ROI_Y, + PROP_ROI_WIDTH, + PROP_ROI_HEIGHT, + PROP_ROI_WIDTH_MULTIPLIER, + PROP_ROI_HEIGHT_MULTIPLIER, + PROP_HAS_STREAMING, + PROP_HAS_CAMRAM_RECORDING, + 0 +}; + +static GParamSpec *dexela_properties[N_PROPERTIES] = { NULL, }; + +static const gdouble MICROS_TO_SECONDS_FACTOR = 1e6d; + +struct _UcaDexelaCameraPrivate { + GValueArray *binnings; + guint width; + guint height; + guint bits; + gsize num_bytes; +}; + +/** + * Hardcode possible binnings for now + */ +static void fill_binnings(UcaDexelaCameraPrivate *priv) +{ + GValue val = {0}; + g_value_init(&val, G_TYPE_UINT); + + priv->binnings = g_value_array_new(3); + g_value_set_uint(&val, 1); + g_value_array_append(priv->binnings, &val); + g_value_set_uint(&val, 2); + g_value_array_append(priv->binnings, &val); + g_value_set_uint(&val, 4); + g_value_array_append(priv->binnings, &val); +} + +static void map_dexela_trigger_mode_to_uca(GValue* value, TriggerMode mode) +{ + if (mode == SOFTWARE) { + g_value_set_enum(value, UCA_CAMERA_TRIGGER_INTERNAL); + return; + } + if (mode == EDGE) { + g_value_set_enum(value, UCA_CAMERA_TRIGGER_EXTERNAL); + return; + } + // XXX: this mapping is only a hack/guess + if (mode == DURATION) { + g_value_set_enum(value, UCA_CAMERA_TRIGGER_AUTO); + return; + } + g_warning("Unsupported dexela trigger mode: %d", mode); +} + +static void set_trigger_mode(UcaCameraTrigger mode) +{ + if (mode == UCA_CAMERA_TRIGGER_INTERNAL) { + dexela_set_trigger_mode(SOFTWARE); + return; + } + if (mode == UCA_CAMERA_TRIGGER_EXTERNAL) { + dexela_set_trigger_mode(EDGE); + return; + } + if (mode == UCA_CAMERA_TRIGGER_AUTO) { + dexela_set_trigger_mode(DURATION); + return; + } + g_warning("Unsupported uca trigger mode: %d", mode); +} + +static gboolean is_binning_allowed(UcaDexelaCameraPrivate *priv, guint binning) +{ + for (int i = 0; i < priv->binnings->n_values; i++) { + guint allowedBinning = g_value_get_uint(g_value_array_get_nth(priv->binnings, i)); + if (binning == allowedBinning) { + return TRUE; + } + } + return FALSE; +} + +UcaDexelaCamera *uca_dexela_camera_new(GError **error) +{ + UcaDexelaCamera *camera = g_object_new(UCA_TYPE_DEXELA_CAMERA, NULL); + UcaDexelaCameraPrivate *priv = UCA_DEXELA_CAMERA_GET_PRIVATE(camera); + fill_binnings(priv); + /* + * Here we override property ranges because we didn't know them at property + * installation time. + */ + GObjectClass *camera_class = G_OBJECT_CLASS (UCA_CAMERA_GET_CLASS (camera)); + // TODO implement error checking + dexela_open_detector("/usr/share/dexela/dexela-1207_32.fmt"); + dexela_init_serial_connection(); + priv->bits = dexela_get_bit_depth(); + priv->width = dexela_get_width(); + priv->height = dexela_get_height(); + priv->num_bytes = 2; + return camera; +} + +static void uca_dexela_camera_get_property(GObject *object, guint property_id, GValue *value, GParamSpec *pspec) +{ + UcaDexelaCameraPrivate *priv = UCA_DEXELA_CAMERA_GET_PRIVATE(object); + + switch (property_id) { + case PROP_NAME: + { + gchar* model = dexela_get_model(); + g_value_set_string(value, g_strdup_printf("Dexela %s", model)); + g_free(model); + break; + } + case PROP_EXPOSURE_TIME: + { + g_value_set_double(value, dexela_get_exposure_time_micros() / MICROS_TO_SECONDS_FACTOR); + break; + } + case PROP_HAS_CAMRAM_RECORDING: + { + g_value_set_boolean(value, FALSE); + break; + } + case PROP_HAS_STREAMING: + { + g_value_set_boolean(value, FALSE); + break; + } + case PROP_SENSOR_BITDEPTH: + { + g_value_set_uint(value, priv->bits); + break; + } + case PROP_SENSOR_WIDTH: + { + g_value_set_uint(value, priv->width); + break; + } + case PROP_SENSOR_HEIGHT: + { + g_value_set_uint(value, priv->height); + break; + } + case PROP_ROI_WIDTH: + { + // use full frame for now + g_value_set_uint(value, priv->width); + break; + } + case PROP_ROI_HEIGHT: + { + // use full frame for now + g_value_set_uint(value, priv->height); + break; + } + case PROP_SENSOR_HORIZONTAL_BINNING: + { + g_value_set_uint(value, dexela_get_binning_mode_horizontal()); + break; + } + case PROP_SENSOR_HORIZONTAL_BINNINGS: + { + g_value_set_boxed(value, priv->binnings); + break; + } + case PROP_SENSOR_VERTICAL_BINNING: + { + g_value_set_uint(value, dexela_get_binning_mode_vertical()); + break; + } + case PROP_SENSOR_VERTICAL_BINNINGS: + { + g_value_set_boxed(value, priv->binnings); + break; + } + case PROP_SENSOR_MAX_FRAME_RATE: + { + // TODO: we do not know how to compute the correct value, so just return 0 for now + g_value_set_float(value, 0.0f); + break; + } + case PROP_GAIN_MODE: + { + g_value_set_uint(value, dexela_get_gain()); + break; + } + case PROP_TEST_MODE: + { + g_value_set_boolean(value, dexela_get_control_register() & 1); + break; + } + case PROP_TRIGGER_MODE: + { + map_dexela_trigger_mode_to_uca(value, dexela_get_trigger_mode()); + break; + } + default: + { + G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec); + break; + } + } +} + +static void uca_dexela_camera_set_property(GObject *object, guint property_id, const GValue *value, GParamSpec *pspec) +{ + UcaDexelaCameraPrivate *priv = UCA_DEXELA_CAMERA_GET_PRIVATE(object); + + switch (property_id) { + case PROP_EXPOSURE_TIME: + { + const gdouble exposureTimeInSeconds = g_value_get_double(value); + dexela_set_exposure_time_micros((gint) (exposureTimeInSeconds * MICROS_TO_SECONDS_FACTOR)); + break; + } + case PROP_SENSOR_HORIZONTAL_BINNING: + { + const guint horizontalBinning = g_value_get_uint(value); + if (!is_binning_allowed(priv, horizontalBinning)) { + g_warning("Tried to set illegal horizontal binning: %d", horizontalBinning); + return; + } + dexela_set_binning_mode(horizontalBinning, dexela_get_binning_mode_vertical()); + break; + } + case PROP_SENSOR_VERTICAL_BINNING: + { + const guint verticalBinning = g_value_get_uint(value); + if (!is_binning_allowed(priv, verticalBinning)) { + g_warning("Tried to set illegal vertical binning: %d", verticalBinning); + return; + } + dexela_set_binning_mode(dexela_get_binning_mode_horizontal(), verticalBinning); + break; + } + case PROP_GAIN_MODE: + { + const guint gain = g_value_get_uint(value); + if (gain == 0) { + dexela_set_gain(LOW); + return; + } + if (gain == 1) { + dexela_set_gain(HIGH); + return; + } + g_warning("Illegal attempt to set gain: %d", gain); + break; + } + case PROP_TEST_MODE: + { + if (g_value_get_boolean(value)) { + dexela_set_control_register(dexela_get_control_register() | 1); + return; + } + dexela_set_control_register(dexela_get_control_register() & 0xFFFE); + break; + } + case PROP_TRIGGER_MODE: + { + set_trigger_mode(g_value_get_enum(value)); + break; + } + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec); + return; + } +} + +static void uca_dexela_camera_start_recording(UcaCamera *camera, GError **error) +{ + g_debug("start recording called"); + dexela_start_acquisition(); +} + +static void uca_dexela_camera_stop_recording(UcaCamera *camera, GError **error) +{ + g_debug("stop recording called"); + dexela_stop_acquisition(); +} + +static void uca_dexela_camera_grab(UcaCamera *camera, gpointer *data, GError **error) +{ + g_debug("grab called"); + g_return_if_fail(UCA_IS_DEXELA_CAMERA(camera)); + UcaDexelaCameraPrivate *priv = UCA_DEXELA_CAMERA_GET_PRIVATE(camera); + if (*data == NULL) { + g_debug("Allocating buffer"); + *data = g_malloc0(priv->width * priv->height * priv->num_bytes); + } + // TODO: copy to the data buffer + memcpy((gchar *) *data, dexela_grab(), priv->width * priv->height * priv->num_bytes); +} + +static void uca_dexela_camera_finalize(GObject *object) +{ + UcaDexelaCameraPrivate *priv = UCA_DEXELA_CAMERA_GET_PRIVATE(object); + g_value_array_free(priv->binnings); + + G_OBJECT_CLASS(uca_dexela_camera_parent_class)->finalize(object); +} + +static void uca_dexela_camera_class_init(UcaDexelaCameraClass *klass) +{ + GObjectClass *gobject_class = G_OBJECT_CLASS(klass); + gobject_class->set_property = uca_dexela_camera_set_property; + gobject_class->get_property = uca_dexela_camera_get_property; + gobject_class->finalize = uca_dexela_camera_finalize; + + UcaCameraClass *camera_class = UCA_CAMERA_CLASS(klass); + camera_class->start_recording = uca_dexela_camera_start_recording; + camera_class->stop_recording = uca_dexela_camera_stop_recording; + camera_class->grab = uca_dexela_camera_grab; + + 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]]); + } + dexela_properties[PROP_GAIN_MODE] = + g_param_spec_uint("gain-mode", + "High or Low Full Well", + "High (1) or Low (0) Full Well", + 0, 1, 0, G_PARAM_READWRITE); + dexela_properties[PROP_TEST_MODE] = + g_param_spec_boolean("test-mode", + "Enable or disable test mode", + "Enable (true) or disable (false) test mode", + FALSE, G_PARAM_READWRITE); + for (guint id = N_BASE_PROPERTIES; id < N_PROPERTIES; id++) { + g_object_class_install_property(gobject_class, id, dexela_properties[id]); + } + g_type_class_add_private(klass, sizeof(UcaDexelaCameraPrivate)); +} + +static void uca_dexela_camera_init(UcaDexelaCamera *self) +{ + self->priv = UCA_DEXELA_CAMERA_GET_PRIVATE(self); +} |