Start migrating to libuca 1.1 and glib plugins.

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);
+}