Fix LU-16: Add cooling point props

Added "cooling-point-min", "cooling-point-max" and "cooling-point-default" to
query the valid range of "cooling-point".

2 files changed, 49 insertions, 1 deletions

diff --git a/src/cameras/uca-pco-camera.c b/src/cameras/uca-pco-camera.c
index 87167cf..26894e1 100644
--- a/src/cameras/uca-pco-camera.c
+++ b/src/cameras/uca-pco-camera.c
@@ -108,6 +108,9 @@ enum {
     PROP_RECORD_MODE,
     PROP_ACQUIRE_MODE,
     PROP_COOLING_POINT,
+    PROP_COOLING_POINT_MIN,
+    PROP_COOLING_POINT_MAX,
+    PROP_COOLING_POINT_DEFAULT,
     PROP_NOISE_FILTER,
     PROP_TIMESTAMP_MODE,
     N_PROPERTIES
@@ -1098,6 +1101,27 @@ static void uca_pco_camera_get_property(GObject *object, guint property_id, GVal
             }
             break;
 
+        case PROP_COOLING_POINT_MIN:
+            {
+                GParamSpecInt *spec = (GParamSpecInt *) pco_properties[PROP_COOLING_POINT];
+                g_value_set_int(value, spec->minimum);
+            }
+            break;
+
+        case PROP_COOLING_POINT_MAX:
+            {
+                GParamSpecInt *spec = (GParamSpecInt *) pco_properties[PROP_COOLING_POINT];
+                g_value_set_int(value, spec->maximum);
+            }
+            break;
+
+        case PROP_COOLING_POINT_DEFAULT:
+            {
+                GParamSpecInt *spec = (GParamSpecInt *) pco_properties[PROP_COOLING_POINT];
+                g_value_set_int(value, spec->default_value);
+            }
+            break;
+
         case PROP_NOISE_FILTER:
             {
                 guint16 mode;
@@ -1298,8 +1322,26 @@ static void uca_pco_camera_class_init(UcaPcoCameraClass *klass)
     pco_properties[PROP_COOLING_POINT] = 
         g_param_spec_int("cooling-point",
             "Cooling point of the camera",
-            "Cooling point of the camera",
+            "Cooling point of the camera in degree celsius",
             0, 10, 5, G_PARAM_READWRITE);
+
+    pco_properties[PROP_COOLING_POINT_MIN] = 
+        g_param_spec_int("cooling-point-min",
+            "Minimum cooling point",
+            "Minimum cooling point in degree celsius",
+            G_MININT, G_MAXINT, 0, G_PARAM_READABLE);
+
+    pco_properties[PROP_COOLING_POINT_MAX] = 
+        g_param_spec_int("cooling-point-max",
+            "Maximum cooling point",
+            "Maximum cooling point in degree celsius",
+            G_MININT, G_MAXINT, 0, G_PARAM_READABLE);
+
+    pco_properties[PROP_COOLING_POINT_DEFAULT] = 
+        g_param_spec_int("cooling-point-default",
+            "Default cooling point",
+            "Default cooling point in degree celsius",
+            G_MININT, G_MAXINT, 0, G_PARAM_READABLE);
     
     pco_properties[PROP_SENSOR_ADCS] = 
         g_param_spec_uint("sensor-adcs",
diff --git a/test/grab.c b/test/grab.c
index a5f1cf5..67763b4 100644
--- a/test/grab.c
+++ b/test/grab.c
@@ -38,6 +38,7 @@ int main(int argc, char *argv[])
     guint sensor_width, sensor_height, sensor_width_extended, sensor_height_extended;
     guint roi_width, roi_height, roi_x, roi_y, roi_width_multiplier, roi_height_multiplier;
     guint bits, sensor_rate;
+    gint  cp_min, cp_max, cp_default;
     gchar *name;
 
     g_type_init();
@@ -75,6 +76,9 @@ int main(int argc, char *argv[])
             "roi-y0", &roi_y,
             "sensor-bitdepth", &bits,
             "sensor-pixelrate", &sensor_rate,
+            "cooling-point-min", &cp_min,
+            "cooling-point-max", &cp_max,
+            "cooling-point-default", &cp_default,
             NULL);
 
     g_print("Camera: %s\n", name);
@@ -88,6 +92,8 @@ int main(int argc, char *argv[])
     g_print("ROI: %ix%i @ (%i, %i), steps: %i, %i\n", 
             roi_width, roi_height, roi_x, roi_y, roi_width_multiplier, roi_height_multiplier);
 
+    g_print("Valid cooling point range: [%i, %i] (default: %i)\n", cp_min, cp_max, cp_default);
+
     const int pixel_size = bits == 8 ? 1 : 2;
     gpointer buffer = g_malloc0(roi_width * roi_height * pixel_size);
     gchar filename[FILENAME_MAX];