static void
goio_console_start_collection (GtkWidget *button, GObject *device)
{
NgiSensor *sensor = ngi_device_get_sensor (NGI_DEVICE (device));
printf ("Start collecting on %s\n",ngi_device_get_name(NGI_DEVICE(device)));
ngi_device_start_collection (NGI_DEVICE (device));
gtk_widget_set_sensitive (start_button, FALSE);
gtk_widget_set_sensitive (stop_button, TRUE);
if (sensor_data)
{
g_array_free (sensor_data, TRUE);
sensor_data = NULL;
}
g_signal_connect (G_OBJECT (stop_button), "clicked",
G_CALLBACK (goio_console_stop_collection),
device);
g_signal_connect (G_OBJECT (sensor), "data-changed",
G_CALLBACK (goio_console_update_readout),
NULL);
gtk_plot_set_yrange (GTK_PLOT (active_plot), 0.0, 60.0);
gtk_plot_set_xrange (GTK_PLOT (active_plot), 0.0, 60.0);
g_timeout_add (60000, goio_console_update_graph, device);
}
gint
update(gpointer data)
{
GtkPlot *plot;
gdouble x, y;
gdouble xmin, xmax;
plot = GTK_PLOT(data);
px = (gdouble *)g_realloc(px, (dataset->num_points+1)*sizeof(gdouble));
py = (gdouble *)g_realloc(py, (dataset->num_points+1)*sizeof(gdouble));
y = rand()%10/10.;
if(dataset->num_points == 0)
x = 1;
else
x = px[dataset->num_points-1] + 1;
px[dataset->num_points] = x;
py[dataset->num_points] = y;
gtk_plot_dataset_set_numpoints(dataset, dataset->num_points+1);
gtk_plot_dataset_set_x(dataset, px);
gtk_plot_dataset_set_y(dataset, py);
gtk_plot_get_xrange(plot, &xmin , &xmax);
if(x > xmax)
gtk_plot_set_xrange(plot, xmin + 5. , xmax + 5.);
gtk_plot_layout_refresh(GTK_PLOT_LAYOUT(canvas));
return TRUE;
}
static gint
goio_console_update_graph (gpointer device)
{
double secs =60;
if (sensor_data)
secs = sensor_data->len+60;
gtk_plot_set_xrange (GTK_PLOT (active_plot), 0.0, secs);
if (ngi_device_collecting (NGI_DEVICE (device)))
return TRUE;
else
return FALSE;
}
