static void generateWavePeriod(void)
{
int waveType = 0;
double waveFreq;
int i;
struct iio_device *trigger = iio_context_find_device(ctx, "hrtimer-1");
unsigned long triggerFreq;
long long triggerFreqLL = 0;
iio_device_attr_read_longlong(trigger, "frequency", &triggerFreqLL);
triggerFreq = triggerFreqLL;
/* Set the maximum frequency that user can select to 10% of the input generator frequency. */
if (triggerFreq >= 10)
gtk_range_set_range(GTK_RANGE(scale_freq), 0.1, triggerFreq / 10);
wave_ampl = gtk_range_get_value(GTK_RANGE(scale_ampl));
wave_offset = gtk_range_get_value(GTK_RANGE(scale_offset));
waveFreq = gtk_range_get_value(GTK_RANGE(scale_freq));
buffer_size = (unsigned int)round(triggerFreq / waveFreq);
if (buffer_size < 2)
buffer_size = 2;
else if (buffer_size > 10000)
buffer_size = 10000;
current_sample = 0;
soft_buffer_ch0 = g_renew(uint8_t, soft_buffer_ch0, buffer_size);
gtk_range_set_value(GTK_RANGE(scale_freq), (double)triggerFreq / buffer_size);
gtk_widget_queue_draw(scale_freq);
if(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(btn_sine)))
waveType = SINEWAVE;
else if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(btn_square)))
waveType = SQUAREWAVE;
else if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(btn_triangle)))
waveType = TRIANGLE;
else if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(btn_sawtooth)))
waveType = SAWTOOTH;
FillSoftBuffer(waveType, soft_buffer_ch0);
/* Also generate a preview of the output signal. */
float_soft_buff = g_renew(gfloat, float_soft_buff, 2 * buffer_size);
X = g_renew(gfloat, X, 2 * buffer_size);
for (i = 0; i < 2 * buffer_size; i++)
X[i] = i;
for (i = 0; i < 2 * buffer_size; i++)
float_soft_buff[i] = soft_buffer_ch0[i % buffer_size] * 3.3 / 256;
gtk_databox_graph_remove_all(GTK_DATABOX(databox));
databox_graph = gtk_databox_lines_new((2 * buffer_size), X, float_soft_buff,
&color_prev_graph, 2);
databox_graph_dots = gtk_databox_points_new((2 * buffer_size), X, float_soft_buff,
&color_prev_graph_dots, 5);
gtk_databox_graph_add(GTK_DATABOX(databox), databox_graph_dots);
gtk_databox_graph_add(GTK_DATABOX(databox), databox_graph);
gtk_databox_set_total_limits(GTK_DATABOX(databox), -0.2, (i - 1), 3.5, -0.2);
}
GtkWidget* sliding_plot_new(guint nb_plot) {
GtkWidget* databox = gtk_databox_new ();
g_object_set_data(G_OBJECT(databox), "nb_plot", (gpointer)nb_plot);
gfloat *X = g_new0 (gfloat, NB_POINTS);
g_object_set_data(G_OBJECT(databox), "X", X);
gpointer *Y = g_new0 (gpointer, nb_plot);
g_object_set_data(G_OBJECT(databox), "Y", Y);
guint nb_data = 0;
g_object_set_data(G_OBJECT(databox), "nb_data", (gpointer)nb_data);
guint _time = 0;
g_object_set_data(G_OBJECT(databox), "time", (gpointer)_time);
guint i;
for (i=0; i< nb_plot; i++) {
Y[i] = g_new0 (gfloat, NB_POINTS);
GtkDataboxGraph *graph = gtk_databox_lines_new (NB_POINTS, X, Y[i], (GdkColor*)&(colors[i%NB_COLORS]), 1);
gtk_databox_graph_add (GTK_DATABOX (databox), graph);
}
// GtkDataboxGraph *grid = gtk_databox_grid_new (10, 10, (GdkColor*)&(colors[3]), 2);
// gtk_databox_graph_add (GTK_DATABOX (databox), grid);
g_timeout_add(REFRESH_RATE, timeout_callback, databox);
return databox;
}
static void
create_basics (void)
{
GtkWidget *window = NULL;
GtkWidget *vbox;
GtkWidget *close_button;
GtkWidget *box;
GtkWidget *label;
GtkWidget *separator;
GtkWidget *table;
GtkWidget *scrollbar;
GtkWidget *ruler;
GtkDataboxGraph *graph;
gfloat min_x, max_x;
gfloat min_y, max_y;
gfloat *X;
gfloat *Y;
gfloat buffer;
GdkColor color;
gint i;
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_widget_set_size_request (window, 500, 500);
g_signal_connect (GTK_OBJECT (window), "destroy",
G_CALLBACK (gtk_main_quit), NULL);
gtk_window_set_title (GTK_WINDOW (window), "GtkDatabox: Basics");
gtk_container_set_border_width (GTK_CONTAINER (window), 0);
vbox = gtk_vbox_new (FALSE, 0);
gtk_container_add (GTK_CONTAINER (window), vbox);
label =
gtk_label_new
("\nThe code for this example demonstrates\n the the basic use of elementary functions\nfor utilizing the GtkDatabox widget.\n\nUsage:\nDraw a selection with the left button pressed,\nThan click into the selection.\nUse the right mouse button to zoom out.\nShift+ right mouse button zooms to default.");
gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
separator = gtk_hseparator_new ();
gtk_box_pack_start (GTK_BOX (vbox), separator, FALSE, FALSE, 0);
/* Instead of the following stuff, you could also call
* gtk_databox_create_box_with_scrollbars_and_rulers
* as it is done in the other examples.
* Of course, you are more flexible in using scrollbars and rulers
* by doing it yourself. */
table = gtk_table_new (3, 3, FALSE);
box = gtk_databox_new ();
gtk_table_attach (GTK_TABLE (table), box, 1, 2, 1, 2,
GTK_FILL | GTK_EXPAND | GTK_SHRINK,
GTK_FILL | GTK_EXPAND | GTK_SHRINK, 0, 0);
/* You can associate a scrollbar with a GtkDatabox widget either
* this way ...*/
scrollbar = gtk_hscrollbar_new (NULL);
gtk_databox_set_adjustment_x (GTK_DATABOX (box),
gtk_range_get_adjustment (GTK_RANGE
(scrollbar)));
gtk_table_attach (GTK_TABLE (table), scrollbar, 1, 2, 2, 3,
GTK_FILL | GTK_EXPAND | GTK_SHRINK, GTK_FILL, 0, 0);
/* or this way ... */
scrollbar = gtk_vscrollbar_new
(gtk_databox_get_adjustment_y (GTK_DATABOX (box)));
gtk_table_attach (GTK_TABLE (table), scrollbar, 2, 3, 1, 2,
GTK_FILL, GTK_FILL | GTK_EXPAND | GTK_SHRINK, 0, 0);
ruler = gtk_databox_ruler_new (GTK_ORIENTATION_HORIZONTAL);
gtk_widget_set_sensitive (ruler, FALSE);
gtk_table_attach (GTK_TABLE (table), ruler, 1, 2, 0, 1,
GTK_FILL | GTK_EXPAND | GTK_SHRINK, GTK_FILL, 0, 0);
gtk_databox_set_ruler_x (GTK_DATABOX (box), GTK_DATABOX_RULER (ruler));
ruler = gtk_databox_ruler_new (GTK_ORIENTATION_VERTICAL);
gtk_widget_set_sensitive (ruler, FALSE);
gtk_table_attach (GTK_TABLE (table), ruler, 0, 1, 1, 2,
GTK_FILL, GTK_FILL | GTK_EXPAND | GTK_SHRINK, 0, 0);
gtk_databox_set_ruler_y (GTK_DATABOX (box), GTK_DATABOX_RULER (ruler));
/* end of gtk_databox_create_box_with_scrollbars_and_rulers */
gtk_box_pack_start (GTK_BOX (vbox), table, TRUE, TRUE, 0);
color.red = 16383;
color.green = 16383;
color.blue = 16383;
gtk_widget_modify_bg (box, GTK_STATE_NORMAL, &color);
X = g_new0 (gfloat, POINTS);
Y = g_new0 (gfloat, POINTS);
for (i = 0; i < POINTS; i++)
{
X[i] = i;
Y[i] = 100. * sin (i * 2 * G_PI / POINTS);
}
color.red = 0;
color.green = 65535;
color.blue = 0;
graph = gtk_databox_points_new (POINTS, X, Y, &color, 1);
gtk_databox_graph_add (GTK_DATABOX (box), graph);
X = g_new0 (gfloat, STEPS);
Y = g_new0 (gfloat, STEPS);
for (i = 0; i < STEPS / 2; i++)
{
X[i * 2] = X[i * 2 + 1] = 2 * (i + .5) * POINTS / STEPS;
if (i > 0)
Y[i * 2 - 1] = 100. * sin ((i * 2) * 2 * G_PI / STEPS);
Y[i * 2] = 100. * sin ((i * 2) * 2 * G_PI / STEPS);
if (i == STEPS / 2 - 1)
Y[i * 2 + 1] = 100. * sin (((i + 1) * 2) * 2 * G_PI / STEPS);
}
color.red = 65535;
color.green = 0;
color.blue = 0;
graph = gtk_databox_lines_new (STEPS, X, Y, &color, 1);
gtk_databox_graph_add (GTK_DATABOX (box), graph);
X = g_new0 (gfloat, BARS);
Y = g_new0 (gfloat, BARS);
for (i = 0; i < BARS; i++)
{
X[i] = i * POINTS / BARS;
Y[i] = 80. * sin (i * 2 * G_PI / BARS);
}
color.red = 0;
color.green = 65535;
color.blue = 65535;
graph = gtk_databox_bars_new (BARS, X, Y, &color, 1);
gtk_databox_graph_add (GTK_DATABOX (box), graph);
color.red = 32768;
color.green = 32768;
color.blue = 32768;
graph = gtk_databox_cross_simple_new (&color, 0);
gtk_databox_graph_add (GTK_DATABOX (box), graph);
/* Instead of doing stuff what you see below, you could call
* gtk_databox_auto_rescale (GTK_DATABOX (box), 0.05);
* as is done in the other examples
* Of course, you are more flexible in adjusting the scaling by doing
* it yourself, though. */
if (0 >
gtk_databox_calculate_extrema (GTK_DATABOX (box), &min_x, &max_x,
&min_y, &max_y))
{
g_warning ("Calculating extrema failed. Resorting to default values");
min_x = -100.;
min_y = -100.;
max_x = +100.;
max_y = +100.;
}
else
{
gfloat width = max_x - min_x;
gfloat height = max_y - min_y;
gfloat border = 0.05;
min_x -= border * width;
min_y -= border * height;
max_x += border * width;
max_y += border * height;
}
/* We want larger y values to be higher on the screen */
buffer = min_y;
min_y = max_y;
max_y = buffer;
gtk_databox_set_total_limits (GTK_DATABOX (box), min_x, max_x, min_y,
max_y);
/* end of gtk_databox_auto_rescale */
separator = gtk_hseparator_new ();
gtk_box_pack_start (GTK_BOX (vbox), separator, FALSE, TRUE, 0);
close_button = gtk_button_new_with_label ("close");
g_signal_connect_swapped (GTK_OBJECT (close_button), "clicked",
G_CALLBACK (gtk_main_quit), GTK_OBJECT (box));
gtk_box_pack_start (GTK_BOX (vbox), close_button, FALSE, FALSE, 0);
gtk_widget_set_can_default(close_button, GTK_CAN_DEFAULT);
gtk_widget_grab_default (close_button);
gtk_widget_grab_focus (close_button);
gtk_widget_show_all (window);
gdk_window_set_cursor (box->window, gdk_cursor_new (GDK_CROSS));
}
GtkWidget* tilt_display(struct tilt_data* td) {
GtkWidget* window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_widget_set_size_request (window, 1280, 800);
GtkWidget* vbox1 = gtk_vbox_new (FALSE, 0);
gtk_container_add (GTK_CONTAINER (window), vbox1);
GtkWidget *frame = gtk_frame_new ("rate");
gtk_container_set_border_width (GTK_CONTAINER (frame), 10);
gtk_box_pack_start (GTK_BOX (vbox1), frame, TRUE, TRUE, 0);
GtkWidget* databox = gtk_databox_new();
gfloat* prate = g_new0 (gfloat, td->nb_samples);
gfloat* p_m_rate = g_new0 (gfloat, td->nb_samples);
gfloat* pt = g_new0 (gfloat, td->nb_samples);
int idx;
for (idx=0; idx<td->nb_samples; idx++) {
prate[idx] = td->rate[idx];
p_m_rate[idx] = td->gyro[idx];
pt[idx] = td->t[idx];
}
GdkColor red = {0, 65535, 0, 0};
GdkColor green = {0, 0, 65535, 0};
GdkColor blue = {0, 0, 0, 65535};
GdkColor pink = {0, 65535, 0, 65535};
GdkColor black = {0, 0, 0, 0};
GtkDataboxGraph *grate = gtk_databox_lines_new (td->nb_samples, pt, prate, &red, 1);
gtk_databox_graph_add (GTK_DATABOX(databox), grate);
GtkDataboxGraph *g_m_rate = gtk_databox_lines_new (td->nb_samples, pt, p_m_rate, &green, 1);
gtk_databox_graph_add (GTK_DATABOX(databox), g_m_rate);
GtkDataboxGraph *grid = gtk_databox_grid_new (10, 10, &black, 1);
gtk_databox_graph_add (GTK_DATABOX(databox), grid);
gtk_container_add (GTK_CONTAINER (frame), databox );
gtk_databox_auto_rescale (GTK_DATABOX(databox), 0.);
frame = gtk_frame_new ("angle");
gtk_container_set_border_width (GTK_CONTAINER (frame), 10);
gtk_box_pack_start (GTK_BOX (vbox1), frame, TRUE, TRUE, 0);
databox = gtk_databox_new();
gfloat* pangle = g_new0 (gfloat, td->nb_samples);
gfloat* pm_angle = g_new0 (gfloat, td->nb_samples);
gfloat* pe_angle = g_new0 (gfloat, td->nb_samples);
for (idx=0; idx<td->nb_samples; idx++) {
pangle[idx] = td->angle[idx];
pm_angle[idx] = td->m_angle[idx];
pe_angle[idx] = td->est_angle[idx];
}
GtkDataboxGraph *gangle = gtk_databox_lines_new (td->nb_samples, pt, pangle, &red, 1);
gtk_databox_graph_add (GTK_DATABOX(databox), gangle);
GtkDataboxGraph *ge_angle = gtk_databox_lines_new (td->nb_samples, pt, pe_angle, &blue, 1);
gtk_databox_graph_add (GTK_DATABOX(databox), ge_angle);
GtkDataboxGraph *gm_angle = gtk_databox_lines_new (td->nb_samples, pt, pm_angle, &green, 1);
gtk_databox_graph_add (GTK_DATABOX(databox), gm_angle);
grid = gtk_databox_grid_new (10, 10, &black, 1);
gtk_databox_graph_add (GTK_DATABOX(databox), grid);
gtk_container_add (GTK_CONTAINER (frame), databox );
gtk_databox_auto_rescale (GTK_DATABOX(databox), 0.);
frame = gtk_frame_new ("bias");
gtk_container_set_border_width (GTK_CONTAINER (frame), 10);
gtk_box_pack_start (GTK_BOX (vbox1), frame, TRUE, TRUE, 0);
databox = gtk_databox_new();
gfloat* pbias = g_new0 (gfloat, td->nb_samples);
gfloat* pest_bias = g_new0 (gfloat, td->nb_samples);
for (idx=0; idx<td->nb_samples; idx++) {
pbias[idx] = td->bias[idx];
pest_bias[idx] = td->est_bias[idx];
}
GtkDataboxGraph *gest_bias = gtk_databox_lines_new (td->nb_samples, pt, pest_bias, &blue, 1);
gtk_databox_graph_add (GTK_DATABOX(databox), gest_bias);
GtkDataboxGraph *gbias = gtk_databox_lines_new (td->nb_samples, pt, pbias, &red, 1);
gtk_databox_graph_add (GTK_DATABOX(databox), gbias);
grid = gtk_databox_grid_new (10, 10, &black, 1);
gtk_databox_graph_add (GTK_DATABOX(databox), grid);
gtk_container_add (GTK_CONTAINER (frame), databox );
gtk_databox_auto_rescale (GTK_DATABOX(databox), 0.);
frame = gtk_frame_new ("covariance");
gtk_container_set_border_width (GTK_CONTAINER (frame), 10);
gtk_box_pack_start (GTK_BOX (vbox1), frame, TRUE, TRUE, 0);
databox = gtk_databox_new();
gfloat* pP00 = g_new0 (gfloat, td->nb_samples);
gfloat* pP01 = g_new0 (gfloat, td->nb_samples);
gfloat* pP10 = g_new0 (gfloat, td->nb_samples);
gfloat* pP11 = g_new0 (gfloat, td->nb_samples);
for (idx=0; idx<td->nb_samples; idx++) {
pP00[idx] = td->P00[idx];
pP01[idx] = td->P01[idx];
pP10[idx] = td->P10[idx];
pP11[idx] = td->P11[idx];
}
GtkDataboxGraph *gP00 = gtk_databox_lines_new (td->nb_samples, pt, pP00, &red, 1);
gtk_databox_graph_add (GTK_DATABOX(databox), gP00);
GtkDataboxGraph *gP01 = gtk_databox_lines_new (td->nb_samples, pt, pP01, &green, 1);
gtk_databox_graph_add (GTK_DATABOX(databox), gP01);
GtkDataboxGraph *gP10 = gtk_databox_lines_new (td->nb_samples, pt, pP10, &blue, 1);
gtk_databox_graph_add (GTK_DATABOX(databox), gP10);
GtkDataboxGraph *gP11 = gtk_databox_lines_new (td->nb_samples, pt, pP11, &pink, 1);
gtk_databox_graph_add (GTK_DATABOX(databox), gP11);
grid = gtk_databox_grid_new (10, 10, &black, 1);
gtk_databox_graph_add (GTK_DATABOX(databox), grid);
gtk_container_add (GTK_CONTAINER (frame), databox );
gtk_databox_auto_rescale (GTK_DATABOX(databox), 0.);
gtk_widget_show_all(window);
return window;
}
static void
create_basics ()
{
GtkWidget *window = NULL;
GtkWidget *box;
GtkWidget *scrollbar;
GtkWidget *ruler;
GtkDataboxGraph *graph;
gfloat min_x, max_x;
gfloat min_y, max_y;
gfloat *X;
gfloat *Y;
gfloat buffer;
GdkRGBA color;
gint i;
GladeXML *gxml;
gxml = glade_xml_new (GLADE_FILE, NULL, NULL);
/* This is important */
glade_xml_signal_autoconnect (gxml);
window = glade_xml_get_widget (gxml, "window");
/* You could associate a scrollbar with a GtkDatabox widget either
* this way ...*/
scrollbar = glade_xml_get_widget (gxml, "scrollbar_x");
box = glade_xml_get_widget (gxml, "box");
gtk_databox_set_adjustment_x (GTK_DATABOX (box),
gtk_range_get_adjustment (GTK_RANGE
(scrollbar)));
/* or this way ... */
scrollbar = glade_xml_get_widget (gxml, "scrollbar_y");
gtk_databox_set_adjustment_y (GTK_DATABOX (box),
gtk_range_get_adjustment (GTK_RANGE
(scrollbar)));
ruler = glade_xml_get_widget (gxml, "ruler_x");
gtk_databox_set_ruler_x (GTK_DATABOX (box), GTK_DATABOX_RULER (ruler));
ruler = glade_xml_get_widget (gxml, "ruler_y");
gtk_databox_set_ruler_y (GTK_DATABOX (box), GTK_DATABOX_RULER (ruler));
/* end of gtk_databox_create_box_with_scrollbars_and_rulers */
color.red = 0.33;
color.green = 0.33;
color.blue = 0.33;
gtk_widget_override_background_color (box, GTK_STATE_FLAG_NORMAL, &color);
X = g_new0 (gfloat, POINTS);
Y = g_new0 (gfloat, POINTS);
for (i = 0; i < POINTS; i++)
{
X[i] = i;
Y[i] = 100. * sin (i * 2 * G_PI / POINTS);
}
color.red = 0;
color.green = 1;
color.blue = 0;
color.alpha = 1;
graph = gtk_databox_points_new (POINTS, X, Y, &color, 1);
gtk_databox_graph_add (GTK_DATABOX (box), graph);
X = g_new0 (gfloat, STEPS);
Y = g_new0 (gfloat, STEPS);
for (i = 0; i < STEPS / 2; i++)
{
X[i * 2] = X[i * 2 + 1] = 2 * (i + .5) * POINTS / STEPS;
if (i > 0)
Y[i * 2 - 1] = 100. * sin ((i * 2) * 2 * G_PI / STEPS);
Y[i * 2] = 100. * sin ((i * 2) * 2 * G_PI / STEPS);
if (i == STEPS / 2 - 1)
Y[i * 2 + 1] = 100. * sin (((i + 1) * 2) * 2 * G_PI / STEPS);
}
color.red = 1;
color.green = 0;
color.blue = 0;
color.alpha = 1;
graph = gtk_databox_lines_new (STEPS, X, Y, &color, 1);
gtk_databox_graph_add (GTK_DATABOX (box), graph);
X = g_new0 (gfloat, BARS);
Y = g_new0 (gfloat, BARS);
for (i = 0; i < BARS; i++)
{
X[i] = i * POINTS / BARS;
Y[i] = 80. * sin (i * 2 * G_PI / BARS);
}
color.red = 0;
color.green = 1;
color.blue = 1;
color.alpha = 1;
graph = gtk_databox_bars_new (BARS, X, Y, &color, 1);
gtk_databox_graph_add (GTK_DATABOX (box), graph);
color.red = 0.5;
color.green = 0.5;
color.blue = 0.5;
graph = gtk_databox_cross_simple_new (&color, 0);
gtk_databox_graph_add (GTK_DATABOX (box), graph);
/* Instead of doing stuff what you see below, you could call
* gtk_databox_auto_rescale (GTK_DATABOX (box), 0.05);
* as is done in the other examples
* Of course, you are more flexible in adjusting the scaling by doing
* it yourself, though. */
if (0 >
gtk_databox_calculate_extrema (GTK_DATABOX (box), &min_x, &max_x,
&min_y, &max_y))
{
g_warning ("Calculating extrema failed. Resorting to default values");
min_x = -100.;
min_y = -100.;
max_x = +100.;
max_y = +100.;
}
else
{
gfloat width = max_x - min_x;
gfloat height = max_y - min_y;
gfloat border = 0.05;
min_x -= border * width;
min_y -= border * height;
max_x += border * width;
max_y += border * height;
}
/* We want larger y values to be higher on the screen */
buffer = min_y;
min_y = max_y;
max_y = buffer;
gtk_databox_set_total_limits (GTK_DATABOX (box), min_x, max_x, min_y,
max_y);
/* end of gtk_databox_auto_rescale */
gtk_widget_show (window);
gdk_window_set_cursor (box->window, gdk_cursor_new (GDK_CROSS));
}
/**
* facq_baf_view_plot_draw_page:
* @plot: A #FacqBAFViewPlot object.
* @n_page: the number of page that we want to plot, it should be >= 1. This
* will be used to calculate the values of the times vector.
*
* You must call this function to update the plot with a new graph,
* created from the slices stored in the temporal buffer, that will
* be moved to the final buffer.
*
* Calculates the time array, calculating the time of each slice,
* erases any previous graph in the plot, copies the slices pushed
* to the temporal buffer to the final buffer, and creates new graphs
* for the new slices pushed in the buffer. Finally the new graphs
* are plotted, the temporal limits and amplitude limits are set and the
* chunk counter is reset.
*
*/
void facq_baf_view_plot_draw_page(FacqBAFViewPlot *plot,gdouble n_page)
{
guint i = 0;
gfloat initial_time = 0, period = 0;
GdkColor color;
GtkDataboxGraph *graph = NULL;
g_return_if_fail(FACQ_IS_BAF_VIEW_PLOT(plot));
g_return_if_fail(n_page >= 1);
/* set the time array in the temporal array */
initial_time = ((n_page-1)*plot->priv->samples_per_page*plot->priv->period);
period = (gfloat)plot->priv->period;
for(i = 0;i < plot->priv->samples_per_page;i++){
plot->priv->time[i] = initial_time + i*period;
}
/* erase any previous existing graph */
if(plot->priv->signal){
for(i = 0;i < plot->priv->signal->len;i++){
if(GTK_DATABOX_IS_GRAPH(g_ptr_array_index(plot->priv->signal,i))){
gtk_databox_graph_remove(GTK_DATABOX(plot->priv->databox),
g_ptr_array_index(plot->priv->signal,i));
}
}
g_ptr_array_free(plot->priv->signal,TRUE);
plot->priv->signal = NULL;
}
/* copy the temporal buffers copy_samples and copy_time to the final buffers */
facq_baf_view_plot_copy_buffers(plot);
/* create the new graphs for the final buffer */
plot->priv->signal = g_ptr_array_new_with_free_func(
(GDestroyNotify)facq_baf_view_plot_signal_destroy);
for(i = 0;i < plot->priv->n_channels;i++){
facq_gdk_color_from_index(i,&color);
#ifdef G_OS_WIN32
/* Performance fix for windows, gdk_draw_lines() is too slow
* when plotting with a large number of samples so we plot
* points instead, note that this is a windows only problem. */
if(plot->priv->samples_per_page <= (2000.0/plot->priv->n_channels)){
graph = gtk_databox_lines_new(plot->priv->next_chunk,
plot->priv->copy_time,
plot->priv->copy_samples[i],
&color,1);
}
else {
graph = gtk_databox_points_new(plot->priv->next_chunk,
plot->priv->copy_time,
plot->priv->copy_samples[i],
&color,1);
}
#else
graph = gtk_databox_lines_new(plot->priv->next_chunk,
plot->priv->copy_time,
plot->priv->copy_samples[i],
&color,1);
#endif
g_ptr_array_add(plot->priv->signal,(gpointer) graph);
/* add the graphs to the box */
gtk_databox_graph_add(GTK_DATABOX(plot->priv->databox),graph);
}
/* set the limits */
gtk_databox_set_total_limits(GTK_DATABOX(plot->priv->databox),
plot->priv->time[0],
plot->priv->time[plot->priv->samples_per_page-1],
plot->priv->max+0.5,plot->priv->min-0.5);
/* plot it! */
gtk_widget_queue_draw(plot->priv->databox);
/* set current_chunk to 0 so we can push more samples later */
plot->priv->next_chunk = 0;
}
GtkWidget* ahrs_display(struct ahrs_data* ad) {
GtkWidget* window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_widget_set_size_request (window, 1280, 800);
GtkWidget* vbox1 = gtk_vbox_new (FALSE, 0);
gtk_container_add (GTK_CONTAINER (window), vbox1);
GdkColor red = {0, 65535, 0, 0};
GdkColor light_red = {0, 65535, 31875, 31875};
GdkColor green = {0, 0, 65535, 0};
GdkColor light_green = {0, 31875, 65535, 31875};
GdkColor blue = {0, 0, 0, 65535};
GdkColor light_blue = {0, 14025, 39525, 65535};
// GdkColor pink = {0, 65535, 0, 65535};
// GdkColor black = {0, 0, 0, 0};
GtkWidget *frame = gtk_frame_new ("rate");
gtk_container_set_border_width (GTK_CONTAINER (frame), 10);
gtk_box_pack_start (GTK_BOX (vbox1), frame, TRUE, TRUE, 0);
GtkWidget* databox = gtk_databox_new();
gfloat* ft = g_new0 (gfloat, ad->nb_samples);
gfloat* f_mrate_p = g_new0 (gfloat, ad->nb_samples);
gfloat* f_mrate_q = g_new0 (gfloat, ad->nb_samples);
gfloat* f_mrate_r = g_new0 (gfloat, ad->nb_samples);
int idx;
for (idx=0; idx<ad->nb_samples; idx++) {
ft[idx] = ad->t[idx];
f_mrate_p[idx] = ad->gyro_p[idx];
f_mrate_q[idx] = ad->gyro_q[idx];
f_mrate_r[idx] = ad->gyro_r[idx];
}
GtkDataboxGraph *g_mrate_p = gtk_databox_lines_new (ad->nb_samples, ft, f_mrate_p, &red, 1);
gtk_databox_graph_add (GTK_DATABOX(databox), g_mrate_p);
GtkDataboxGraph *g_mrate_q = gtk_databox_lines_new (ad->nb_samples, ft, f_mrate_q, &green, 1);
gtk_databox_graph_add (GTK_DATABOX(databox), g_mrate_q);
GtkDataboxGraph *g_mrate_r = gtk_databox_lines_new (ad->nb_samples, ft, f_mrate_r, &blue, 1);
gtk_databox_graph_add (GTK_DATABOX(databox), g_mrate_r);
gtk_container_add (GTK_CONTAINER (frame), databox );
gtk_databox_auto_rescale (GTK_DATABOX(databox), 0.);
frame = gtk_frame_new ("angle");
gtk_container_set_border_width (GTK_CONTAINER (frame), 10);
gtk_box_pack_start (GTK_BOX (vbox1), frame, TRUE, TRUE, 0);
databox = gtk_databox_new();
// databox = gtk_databox_create_box_with_scrollbars_and_rulers();
gfloat* f_ephi = g_new0 (gfloat, ad->nb_samples);
gfloat* f_etheta = g_new0 (gfloat, ad->nb_samples);
gfloat* f_epsi = g_new0 (gfloat, ad->nb_samples);
gfloat* f_mphi = g_new0 (gfloat, ad->nb_samples);
gfloat* f_mtheta = g_new0 (gfloat, ad->nb_samples);
gfloat* f_mpsi = g_new0 (gfloat, ad->nb_samples);
for (idx=0; idx<ad->nb_samples; idx++) {
f_ephi[idx] = ad->est_phi[idx];
f_etheta[idx] = ad->est_theta[idx];
f_epsi[idx] = ad->est_psi[idx];
f_mphi[idx] = ad->m_phi[idx];
f_mtheta[idx] = ad->m_theta[idx];
f_mpsi[idx] = ad->m_psi[idx];
}
GtkDataboxGraph *g_ephi = gtk_databox_lines_new (ad->nb_samples, ft, f_ephi, &red, 1);
gtk_databox_graph_add (GTK_DATABOX(databox), g_ephi);
GtkDataboxGraph *g_etheta = gtk_databox_lines_new (ad->nb_samples, ft, f_etheta, &green, 1);
gtk_databox_graph_add (GTK_DATABOX(databox), g_etheta);
GtkDataboxGraph *g_epsi = gtk_databox_lines_new (ad->nb_samples, ft, f_epsi, &blue, 1);
gtk_databox_graph_add (GTK_DATABOX(databox), g_epsi);
GtkDataboxGraph *g_mphi = gtk_databox_lines_new (ad->nb_samples, ft, f_mphi, &light_red, 1);
gtk_databox_graph_add (GTK_DATABOX(databox), g_mphi);
GtkDataboxGraph *g_mtheta = gtk_databox_lines_new (ad->nb_samples, ft, f_mtheta, &light_green, 1);
gtk_databox_graph_add (GTK_DATABOX(databox), g_mtheta);
GtkDataboxGraph *g_mpsi = gtk_databox_lines_new (ad->nb_samples, ft, f_mpsi, &light_blue, 1);
gtk_databox_graph_add (GTK_DATABOX(databox), g_mpsi);
gtk_container_add (GTK_CONTAINER (frame), databox );
gtk_databox_auto_rescale (GTK_DATABOX(databox), 0.);
frame = gtk_frame_new ("biase");
gtk_container_set_border_width (GTK_CONTAINER (frame), 10);
gtk_box_pack_start (GTK_BOX (vbox1), frame, TRUE, TRUE, 0);
databox = gtk_databox_new();
gfloat* f_ebias_p = g_new0 (gfloat, ad->nb_samples);
gfloat* f_ebias_q = g_new0 (gfloat, ad->nb_samples);
gfloat* f_ebias_r = g_new0 (gfloat, ad->nb_samples);
for (idx=0; idx<ad->nb_samples; idx++) {
f_ebias_p[idx] = ad->est_bias_p[idx];
f_ebias_q[idx] = ad->est_bias_q[idx];
f_ebias_r[idx] = ad->est_bias_r[idx];
}
GtkDataboxGraph *ge_bias_p = gtk_databox_lines_new (ad->nb_samples, ft, f_ebias_p, &red, 1);
gtk_databox_graph_add (GTK_DATABOX(databox), ge_bias_p);
GtkDataboxGraph *ge_bias_q = gtk_databox_lines_new (ad->nb_samples, ft, f_ebias_q, &green, 1);
gtk_databox_graph_add (GTK_DATABOX(databox), ge_bias_q);
GtkDataboxGraph *ge_bias_r = gtk_databox_lines_new (ad->nb_samples, ft, f_ebias_r, &blue, 1);
gtk_databox_graph_add (GTK_DATABOX(databox), ge_bias_r);
gtk_container_add (GTK_CONTAINER (frame), databox );
gtk_databox_auto_rescale (GTK_DATABOX(databox), 0.);
frame = gtk_frame_new ("covariance");
gtk_container_set_border_width (GTK_CONTAINER (frame), 10);
gtk_box_pack_start (GTK_BOX (vbox1), frame, TRUE, TRUE, 0);
databox = gtk_databox_new();
gfloat* f_p11 = g_new0 (gfloat, ad->nb_samples);
gfloat* f_p22 = g_new0 (gfloat, ad->nb_samples);
gfloat* f_p33 = g_new0 (gfloat, ad->nb_samples);
gfloat* f_p44 = g_new0 (gfloat, ad->nb_samples);
gfloat* f_p55 = g_new0 (gfloat, ad->nb_samples);
gfloat* f_p66 = g_new0 (gfloat, ad->nb_samples);
gfloat* f_p77 = g_new0 (gfloat, ad->nb_samples);
for (idx=0; idx<ad->nb_samples; idx++) {
f_p11[idx] = ad->P11[idx];
f_p22[idx] = ad->P22[idx];
f_p33[idx] = ad->P33[idx];
f_p44[idx] = ad->P44[idx];
f_p55[idx] = ad->P55[idx];
f_p66[idx] = ad->P66[idx];
f_p77[idx] = ad->P77[idx];
}
GtkDataboxGraph *g_p11 = gtk_databox_lines_new (ad->nb_samples, ft, f_p11, &red, 1);
gtk_databox_graph_add (GTK_DATABOX(databox), g_p11);
GtkDataboxGraph *g_p22 = gtk_databox_lines_new (ad->nb_samples, ft, f_p22, &red, 1);
gtk_databox_graph_add (GTK_DATABOX(databox), g_p22);
GtkDataboxGraph *g_p33 = gtk_databox_lines_new (ad->nb_samples, ft, f_p33, &red, 1);
gtk_databox_graph_add (GTK_DATABOX(databox), g_p33);
GtkDataboxGraph *g_p44 = gtk_databox_lines_new (ad->nb_samples, ft, f_p44, &red, 1);
gtk_databox_graph_add (GTK_DATABOX(databox), g_p44);
GtkDataboxGraph *g_p55 = gtk_databox_lines_new (ad->nb_samples, ft, f_p55, &blue, 1);
gtk_databox_graph_add (GTK_DATABOX(databox), g_p55);
GtkDataboxGraph *g_p66 = gtk_databox_lines_new (ad->nb_samples, ft, f_p66, &blue, 1);
gtk_databox_graph_add (GTK_DATABOX(databox), g_p66);
GtkDataboxGraph *g_p77 = gtk_databox_lines_new (ad->nb_samples, ft, f_p77, &blue, 1);
gtk_databox_graph_add (GTK_DATABOX(databox), g_p77);
gtk_container_add (GTK_CONTAINER (frame), databox );
gtk_databox_auto_rescale (GTK_DATABOX(databox), 0.);
gtk_widget_show_all(window);
return window;
}
static void
create_lissajous (void)
{
GtkWidget *window = NULL;
GtkWidget *box1;
GtkWidget *box2;
GtkWidget *close_button;
GtkWidget *box;
GtkWidget *label;
GtkWidget *table;
GtkWidget *separator;
GtkDataboxGraph *graph;
GdkRGBA color;
gint i;
lissajous_frequency = 0;
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_widget_set_size_request (window, 500, 500);
g_signal_connect (G_OBJECT (window), "destroy",
G_CALLBACK (gtk_main_quit), NULL);
gtk_window_set_title (GTK_WINDOW (window),
"GtkDatabox: Lissajous Example");
gtk_container_set_border_width (GTK_CONTAINER (window), 0);
box1 = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
gtk_container_add (GTK_CONTAINER (window), box1);
label =
gtk_label_new
("This example resembles an oszilloscope\nreceiving two signals, one is a sine (horizontal),\nthe other is a cosine with ever changing frequency (vertical).\nThe counter is synchron with the updates.");
gtk_box_pack_start (GTK_BOX (box1), label, FALSE, FALSE, 0);
separator = gtk_separator_new (GTK_ORIENTATION_HORIZONTAL);
gtk_box_pack_start (GTK_BOX (box1), separator, FALSE, FALSE, 0);
lissajous_label = gtk_entry_new ();
gtk_entry_set_text (GTK_ENTRY (lissajous_label), "0");
gtk_box_pack_start (GTK_BOX (box1), lissajous_label, FALSE, FALSE, 0);
separator = gtk_separator_new (GTK_ORIENTATION_HORIZONTAL);
gtk_box_pack_start (GTK_BOX (box1), separator, FALSE, FALSE, 0);
lissajous_idle = 0;
lissajous_frequency = 3. * G_PI / 2.;
lissajous_counter = 0;
/* Create a GtkDatabox widget along with scrollbars and rulers */
gtk_databox_create_box_with_scrollbars_and_rulers (&box, &table,
TRUE, TRUE, TRUE, TRUE);
g_object_set(G_OBJECT(box), "expand", TRUE, NULL);
gtk_box_pack_start (GTK_BOX (box1), table, TRUE, TRUE, 0);
color.red = 0;
color.green = 0;
color.blue = 0.5;
color.alpha = 1;
gtk_widget_override_background_color (box, GTK_STATE_FLAG_NORMAL, &color);
lissajousX = g_new0 (gfloat, POINTS);
lissajousY = g_new0 (gfloat, POINTS);
for (i = 0; i < POINTS; i++)
{
lissajousX[i] = 100. * sin (i * 4 * G_PI / POINTS);
lissajousY[i] = 100. * cos (i * 4 * G_PI / POINTS);
}
color.red = 1;
color.green = 1;
color.blue = 0;
color.alpha = 1;
graph = gtk_databox_lines_new (POINTS, lissajousX, lissajousY, &color, 1);
gtk_databox_graph_add (GTK_DATABOX (box), graph);
gtk_databox_auto_rescale (GTK_DATABOX (box), 0.05);
separator = gtk_separator_new (GTK_ORIENTATION_HORIZONTAL);
gtk_box_pack_start (GTK_BOX (box1), separator, FALSE, TRUE, 0);
box2 = gtk_box_new (GTK_ORIENTATION_VERTICAL, 10);
gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
gtk_box_pack_end (GTK_BOX (box1), box2, FALSE, TRUE, 0);
close_button = gtk_button_new_with_label ("close");
g_signal_connect_swapped (G_OBJECT (close_button), "clicked",
G_CALLBACK (gtk_main_quit), G_OBJECT (box));
gtk_box_pack_start (GTK_BOX (box2), close_button, TRUE, TRUE, 0);
gtk_widget_set_can_default(close_button, TRUE);
gtk_widget_grab_default (close_button);
lissajous_idle = g_idle_add ((GSourceFunc) lissajous_idle_func, box);
gtk_widget_show_all (window);
}