* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
- /* TODO:
- * If gpsd connection fails, try to connect again periodically.
- * If gps stops sending data there should be an indication that it's stale.
- */
+/* TODO:
+ * If gpsd connection fails, try to connect again periodically.
+ * If gps stops sending data there should be an indication that it's stale.
+ */
#define _XOPEN_SOURCE
+#include <config.h>
+
#include <stdio.h>
#include <fcntl.h>
#include <errno.h>
#include <time.h>
-#include <config.h>
#include <string.h>
#include <glib/gstdio.h>
#include <gtk/gtk.h>
#include "../aweather-location.h"
/* interval to update map with new gps data in seconds. */
-#define GPS_UPDATE_INTERVAL (2)
+#define GPS_UPDATE_INTERVAL (2)
/* Filename and search path to use for gps marker, should be configurable */
-#define GPS_MARKER_ICON_PATH ".:" PKGDATADIR
-#define GPS_MARKER_ICON "arrow.png"
+#define GPS_MARKER_ICON_PATH ".:" PKGDATADIR
+#define GPS_MARKER_ICON "arrow.png"
/* number of track points per group and number of groups to maintain */
-#define NUM_TRACK_POINTS (6)
-#define NUM_TRACK_GROUPS (4)
+#define NUM_TRACK_POINTS (6)
+#define NUM_TRACK_GROUPS (4)
#define NUM_TRACK_POINTS_FACTOR (1.5)
/* interval to update log file in seconds (default value for slider) */
#define GPS_LOG_DEFAULT_UPDATE_INTERVAL (30)
-#define GPS_LOG_EXT "csv"
+#define GPS_LOG_EXT "csv"
/* For updating the status bar conveniently */
-#define GPS_STATUSBAR_CONTEXT "GPS"
+#define GPS_STATUSBAR_CONTEXT "GPS"
+
#if 0
#define GPS_STATUS(gps, format, args...) \
do { \
} while (0)
-static gboolean gps_data_is_valid(struct gps_data_t *gps_data);
-static gchar *gps_get_time_string(time_t gps_time);
-static gchar *gps_get_date_string(double gps_time);
-static void process_gps( gpointer, gint, GdkInputCondition);
-
-#ifdef GPS_RANGE_RINGS
-static void gps_init_range_rings(GritsPluginGps *gps, GtkWidget *gbox);
-static gboolean on_gps_rangering_clicked_event(GtkWidget *widget, gpointer user_data);
-#endif
-
-static void gps_init_status_info(GritsPluginGps *gps, GtkWidget *gbox);
-static void gps_init_control_frame(GritsPluginGps *gps, GtkWidget *gbox);
-static gboolean on_gps_follow_clicked_event(GtkWidget *widget, gpointer user_data);
-
-/* GPS logging support */
-static void gps_init_track_log_frame(GritsPluginGps *gps, GtkWidget *gbox);
-static gboolean on_gps_log_clicked_event(GtkWidget *widget, gpointer user_data);
-
-/* Track management */
-static void gps_track_init(struct gps_track_t *track);
-static void gps_track_free(struct gps_track_t *track);
-static void gps_track_clear(struct gps_track_t *track);
-static void gps_track_add_point(struct gps_track_t *track, gdouble lat,
- gdouble lon, gdouble elevation);
-static void gps_track_group_incr(struct gps_track_t *track);
-
-static gboolean on_gps_track_enable_clicked_event(GtkWidget *widget,
- gpointer user_data);
-static gboolean on_gps_track_clear_clicked_event(GtkWidget *widget,
- gpointer user_data);
-static gboolean gps_write_log(gpointer data);
-
-static gchar *gps_get_status(struct gps_data_t *);
-static gchar *gps_get_latitude(struct gps_data_t *);
-static gchar *gps_get_longitude(struct gps_data_t *);
-static gchar *gps_get_elevation(struct gps_data_t *);
-static gchar *gps_get_heading(struct gps_data_t *);
-static gchar *gps_get_speed(struct gps_data_t *);
-
-/* Describes a line in the gps table */
-struct gps_status_info {
- gchar *label;
- gchar *initial_val;
- gchar *(*get_data)(struct gps_data_t *);
- guint font_size;
- GtkWidget *label_widget;
- GtkWidget *value_widget;
-};
-
-struct gps_status_info gps_table[] = {
- {"Status:", "No Data", gps_get_status, 14, NULL, NULL},
-// {"Online:", "No Data", gps_get_online, 14, NULL, NULL},
- {"Latitude:", "No Data", gps_get_latitude, 14, NULL, NULL},
- {"Longitude:", "No Data", gps_get_longitude, 14, NULL, NULL},
- {"Elevation:", "No Data", gps_get_elevation, 14, NULL, NULL},
- {"Heading:", "No Data", gps_get_heading, 14, NULL, NULL},
- {"Speed:", "No Data", gps_get_speed, 14, NULL, NULL},
-};
+/********************
+ * Helper functions *
+ ********************/
/* Find a readable file in a colon delimeted path */
static gchar *find_path(const gchar *path, const gchar *filename)
}
}
-static gboolean gps_data_is_valid(struct gps_data_t *gps_data)
+
+/********************
+ * GPS Status Table *
+ ********************/
+
+static gchar *gps_get_status(struct gps_data_t *gps_data)
{
- if (gps_data != NULL && gps_data->online != -1.0 &&
- gps_data->fix.mode >= MODE_2D &&
- gps_data->status > STATUS_NO_FIX) {
- return TRUE;
- }
+ gchar *status_color;
+ gchar *status_text;
- return FALSE;
+ switch (gps_data->fix.mode) {
+ case MODE_NOT_SEEN:
+ status_color = "red";
+ status_text = "No Signal";
+ break;
+ case MODE_NO_FIX:
+ status_color = "red";
+ status_text = "No Fix";
+ break;
+ case MODE_2D:
+ status_color = "yellow";
+ status_text = "2D Mode";
+ break;
+ case MODE_3D:
+ status_color = "green";
+ status_text = "3D Mode";
+ break;
+ default:
+ status_color = "black";
+ status_text = "Unknown";
+ break;
+ }
+ return g_strdup_printf("<span foreground=\"%s\">%s</span>",
+ status_color, status_text);
}
-static gchar *gps_get_date_string(double gps_time)
+#if 0
+static gchar *gps_get_online(struct gps_data_t *gps_data)
{
- static gchar buf[256];
- time_t int_time = (time_t)gps_time;
- struct tm tm_time;
+ gchar *status_str;
+ gchar *online_str;
- gmtime_r(&int_time, &tm_time);
+ if (gps_data->online == -1.0) {
+ online_str = "Offline";
+ } else {
+ online_str = "Online";
+ }
- snprintf(buf, sizeof(buf), "%04d-%02d-%02d",
- tm_time.tm_year+1900, tm_time.tm_mon+1, tm_time.tm_mday);
+ switch (gps_data->status) {
+ case 0:
+ status_str = "No Fix";
+ break;
+ case 1:
+ status_str = "Fix Acquired";
+ break;
+ case 2:
+ status_str = "DGPS Fix";
+ break;
+ default:
+ status_str = "Unknown Status";
+ break;
+ }
- return buf;
+ return g_strdup_printf("%lf,%s,%s", gps_data->online, online_str, status_str);
}
+#endif
-static gchar *gps_get_time_string(time_t gps_time)
+static gchar *gps_get_latitude(struct gps_data_t *gps_data)
{
- static gchar buf[256];
- time_t int_time = (time_t)gps_time;
- struct tm tm_time;
-
- gmtime_r(&int_time, &tm_time);
-
- snprintf(buf, sizeof(buf), "%02d:%02d:%02dZ",
- tm_time.tm_hour, tm_time.tm_min, tm_time.tm_sec);
-
- return buf;
+ return g_strdup_printf("%3.4f", gps_data->fix.latitude);
}
+static gchar *gps_get_longitude(struct gps_data_t *gps_data)
+{
+ return g_strdup_printf("%3.4f", gps_data->fix.longitude);
+}
-static void update_gps_status(GritsPluginGps *gps)
+static gchar *gps_get_elevation(struct gps_data_t *gps_data)
{
- struct gps_data_t *gps_data = &gps->gps_data;
+ /* XXX Make units (m/ft) settable */
+ return g_strdup_printf("%.1lf %s",
+ (gps_data->fix.altitude * METERS_TO_FEET), "ft");
+}
- /* gps table update */
- gint i;
- gchar *str;
- for (i = 0; i < sizeof(gps_table)/sizeof(*gps_table); i++) {
- gtk_label_set_markup (GTK_LABEL(gps_table[i].value_widget),
- (str = gps_table[i].get_data(gps_data)));
- g_free(str);
- }
+static gchar *gps_get_heading(struct gps_data_t *gps_data)
+{
+ /* XXX Make units (m/ft) settable */
+ return g_strdup_printf("%03.0lf", gps_data->fix.track);
}
-static void gps_init_control_frame(GritsPluginGps *gps, GtkWidget *gbox)
+static gchar *gps_get_speed(struct gps_data_t *gps_data)
{
- /* Control checkboxes */
- GtkWidget *gps_control_frame = gtk_frame_new("GPS Control");
- GtkWidget *cbox = gtk_vbox_new(FALSE, 2);
- gtk_container_add(GTK_CONTAINER(gps_control_frame), cbox);
- gtk_box_pack_start(GTK_BOX(gbox), gps_control_frame, FALSE, FALSE, 0);
+ /* XXX Make units (m/ft) settable */
+ return g_strdup_printf("%1.1f %s",
+ (gps_data->fix.speed*3600.0*METERS_TO_FEET/5280.0), "mph");
+}
- gps->ui.gps_follow_checkbox =
- gtk_check_button_new_with_label("Follow GPS");
- g_signal_connect(G_OBJECT(gps->ui.gps_follow_checkbox), "clicked",
- G_CALLBACK (on_gps_follow_clicked_event),
- (gpointer)gps);
- gtk_box_pack_start(GTK_BOX(cbox), gps->ui.gps_follow_checkbox,
- FALSE, FALSE, 0);
+struct {
+ const gchar *label;
+ const gchar *initial_val;
+ gchar *(*get_data)(struct gps_data_t *);
+ guint font_size;
+ GtkWidget *label_widget;
+ GtkWidget *value_widget;
+} gps_table[] = {
+ {"Status:", "No Data", gps_get_status, 14, NULL, NULL},
+// {"Online:", "No Data", gps_get_online, 14, NULL, NULL},
+ {"Latitude:", "No Data", gps_get_latitude, 14, NULL, NULL},
+ {"Longitude:", "No Data", gps_get_longitude, 14, NULL, NULL},
+ {"Elevation:", "No Data", gps_get_elevation, 14, NULL, NULL},
+ {"Heading:", "No Data", gps_get_heading, 14, NULL, NULL},
+ {"Speed:", "No Data", gps_get_speed, 14, NULL, NULL},
+};
- gps->ui.gps_track_checkbox =
- gtk_check_button_new_with_label("Record Track");
- g_signal_connect(G_OBJECT(gps->ui.gps_track_checkbox), "clicked",
- G_CALLBACK (on_gps_track_enable_clicked_event),
- (gpointer)gps);
- gtk_box_pack_start(GTK_BOX(cbox), gps->ui.gps_track_checkbox,
- FALSE, FALSE, 0);
- gps->ui.gps_clear_button = gtk_button_new_with_label("Clear Track");
- g_signal_connect(G_OBJECT(gps->ui.gps_clear_button), "clicked",
- G_CALLBACK (on_gps_track_clear_clicked_event),
- (gpointer)gps);
- gtk_box_pack_start(GTK_BOX(cbox), gps->ui.gps_clear_button,
- FALSE, FALSE, 0);
-}
+/******************
+ * Track handling *
+ ******************/
-static gboolean on_gps_track_enable_clicked_event(GtkWidget *widget,
- gpointer user_data)
+static void gps_track_init(GpsTrack *track)
{
- GritsPluginGps *gps = (GritsPluginGps *)user_data;
-
- g_debug("GritsPluginGps: track_enable_clicked_event");
+ /* Save a spot at the end for the NULL termination */
+ track->points = (gpointer)g_new0(double*, NUM_TRACK_GROUPS + 1);
+ track->cur_point = 0;
+ track->cur_group = 0;
+ track->num_points = 1; /* starts at 1 so realloc logic works */
+ track->line = NULL;
+}
- if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget))) {
- /* start logging trip history */
- GPS_STATUS(gps, "Enabled GPS track.");
- gps->track.active = TRUE;
- } else {
- /* stop logging trip history */
- GPS_STATUS(gps, "Disabled GPS track.");
- gps->track.active = FALSE;
- /* advance to the next track group, moving everything down if
- * it's full.
- */
- gps_track_group_incr(&gps->track);
+static void gps_track_clear(GpsTrack *track)
+{
+ gint pi;
+ for (pi = 0; pi < NUM_TRACK_GROUPS; pi++) {
+ if (track->points[pi] != NULL) {
+ g_free(track->points[pi]);
+ track->points[pi] = NULL;
+ }
}
-
- return FALSE;
+ track->cur_point = 0;
+ track->cur_group = 0;
+ track->num_points = 1; /* starts at 1 so realloc logic works */
}
-static gboolean on_gps_track_clear_clicked_event(GtkWidget *widget, gpointer user_data)
+static void gps_track_free(GpsTrack *track)
{
- GritsPluginGps *gps = (GritsPluginGps *)user_data;
-
- g_debug("GritsPluginGps: track_clear_clicked_event");
- GPS_STATUS(gps, "Cleared GPS track.");
- gps_track_clear(&gps->track);
-
- return FALSE;
+ gps_track_clear(track);
+ g_free(track->points);
}
-static gboolean on_gps_log_interval_changed_event(GtkWidget *widget,
- gpointer user_data)
+/* add a new track group (points in a track group are connected, and
+ * separated from points in other track groups). */
+static void gps_track_group_incr(GpsTrack *track)
{
- GritsPluginGps *gps = (GritsPluginGps *)user_data;
+ gdouble (**points)[3] = track->points; /* for simplicity */
- g_assert(gps);
+ /* Just return if they increment it again before any points have
+ * been added.
+ */
+ if (points[track->cur_group] == NULL) {
+ return;
+ }
- g_debug("GritsPluginGps: log_interval_changed_event - value = %f",
- gtk_range_get_value(GTK_RANGE(widget)));
+ g_debug("GritsPluginGps: track_group_incr - track group %u->%u.",
+ track->cur_group, track->cur_group + 1);
- if (gtk_toggle_button_get_active(
- GTK_TOGGLE_BUTTON(gps->ui.gps_log_checkbox))) {
- g_assert(gps->ui.gps_log_timeout_id != 0);
+ track->cur_group++;
+ track->cur_point = 0;
+ track->num_points = 1; /* starts at 1 so realloc logic works */
- /* disable old timeout */
- g_source_remove(gps->ui.gps_log_timeout_id);
- gps->ui.gps_log_timeout_id = 0;
+ if (track->cur_group >= NUM_TRACK_GROUPS) {
+ g_debug("GritsPluginGps: track_group_incr - track group %u "
+ "is at max %u, shifting groups",
+ track->cur_group, NUM_TRACK_GROUPS);
- /* Schedule new log file write */
- gps->ui.gps_log_timeout_id = g_timeout_add(
- gtk_range_get_value(GTK_RANGE(widget))*1000,
- gps_write_log, gps);
- gps_write_log(gps);
- }
+ /* Free the oldest one which falls off the end */
+ g_free(points[0]);
- return FALSE;
+ /* shift the rest down, last one should be NULL already */
+ /* note we alloc NUM_TRACK_GROUPS+1 */
+ for (int pi = 0; pi < NUM_TRACK_GROUPS; pi++) {
+ points[pi] = points[pi+1];
+ }
+
+ /* always write into the last group */
+ track->cur_group = NUM_TRACK_GROUPS - 1;
+ }
}
-static gboolean gps_write_log(gpointer data)
+static void gps_track_add_point(GpsTrack *track,
+ gdouble lat, gdouble lon, gdouble elevation)
{
- GritsPluginGps *gps = (GritsPluginGps *)data;
- struct gps_data_t *gps_data = &gps->gps_data;
- gchar buf[256];
- gchar filename[256];
- gint fd;
- gboolean new_file = FALSE;
+ gdouble (**points)[3] = track->points; /* for simplicity */
- if (gps_data == NULL) {
- g_warning("Skipped write to GPS log file: "
- "can not get GPS coordinates.");
- GPS_STATUS(gps, "Skipped write to GPS log file: "
- "can not get GPS coordinates.");
- return TRUE;
- }
+ g_debug("GritsPluginGps: track_add_point");
+
+ g_assert(track->cur_group < NUM_TRACK_GROUPS &&
+ (track->cur_point <= track->num_points));
+
+ /* resize/allocate the point group if the current one is full */
+ if (track->cur_point >= track->num_points - 1) {
+ guint new_size = track->num_points == 1 ?
+ NUM_TRACK_POINTS :
+ track->num_points * NUM_TRACK_POINTS_FACTOR;
+ g_debug("GritsPluginGps: track_add_point - reallocating points "
+ "array from %u points to %u points.\n",
+ track->num_points, new_size);
+ points[track->cur_group] = (gpointer)g_renew(gdouble,
+ points[track->cur_group], 3*(new_size+1));
+ track->num_points = new_size;
+ }
+
+ g_assert(points[track->cur_group] != NULL);
+
+ /* Add the coordinate */
+ lle2xyz(lat, lon, elevation,
+ &points[track->cur_group][track->cur_point][0],
+ &points[track->cur_group][track->cur_point][1],
+ &points[track->cur_group][track->cur_point][2]);
+
+ track->cur_point++;
+
+ /* make sure last point is always 0s so the line drawing stops. */
+ points[track->cur_group][track->cur_point][0] = 0.0;
+ points[track->cur_group][track->cur_point][1] = 0.0;
+ points[track->cur_group][track->cur_point][2] = 0.0;
+}
+
+
+/*****************
+ * Track Logging *
+ *****************/
+
+static gchar *gps_get_date_string(double gps_time)
+{
+ static gchar buf[256];
+ time_t int_time = (time_t)gps_time;
+ struct tm tm_time;
+
+ gmtime_r(&int_time, &tm_time);
+
+ snprintf(buf, sizeof(buf), "%04d-%02d-%02d",
+ tm_time.tm_year+1900, tm_time.tm_mon+1, tm_time.tm_mday);
+
+ return buf;
+}
+
+static gchar *gps_get_time_string(time_t gps_time)
+{
+ static gchar buf[256];
+ time_t int_time = (time_t)gps_time;
+ struct tm tm_time;
+
+ gmtime_r(&int_time, &tm_time);
+
+ snprintf(buf, sizeof(buf), "%02d:%02d:%02dZ",
+ tm_time.tm_hour, tm_time.tm_min, tm_time.tm_sec);
+
+ return buf;
+}
+
+static gboolean gps_write_log(gpointer data)
+{
+ GritsPluginGps *gps = (GritsPluginGps *)data;
+ struct gps_data_t *gps_data = &gps->gps_data;
+ gchar buf[256];
+ gchar filename[256];
+ gint fd;
+ gboolean new_file = FALSE;
+
+ if (gps_data == NULL) {
+ g_warning("Skipped write to GPS log file: "
+ "can not get GPS coordinates.");
+ GPS_STATUS(gps, "Skipped write to GPS log file: "
+ "can not get GPS coordinates.");
+ return TRUE;
+ }
/* get filename from text entry box. If empty, generate a name from
- * the date and time and set it.
- */
+ * the date and time and set it. */
if (strlen(gtk_entry_get_text(
GTK_ENTRY(gps->ui.gps_log_filename_entry))) == 0) {
snprintf(filename, sizeof(filename),
g_warning("Error writing header to log file %s: %s",
filename, strerror(errno));
}
- gps->ui.gps_log_number = 1;
+ gps->ui.gps_log_number = 1;
}
/* Write log entry. Make sure this matches the header */
/* "No,Date,Time,Lat,Lon,Ele,Head,Speed,Fix,RTR\n" */
/* RTR values: T=time, B=button push, S=speed, D=distance */
snprintf(buf, sizeof(buf), "%d,%s,%s,%lf,%lf,%lf,%lf,%lf,%c\n",
- gps->ui.gps_log_number++,
- gps_get_date_string(gps->gps_data.fix.time),
- gps_get_time_string(gps->gps_data.fix.time),
-// gps_data->fix.time,
- gps_data->fix.latitude,
- gps_data->fix.longitude,
- gps_data->fix.altitude * METERS_TO_FEET,
- gps_data->fix.track,
- gps_data->fix.speed * METERS_TO_FEET,
- 'T'); /* position due to timer expired */
+ gps->ui.gps_log_number++,
+ gps_get_date_string(gps->gps_data.fix.time),
+ gps_get_time_string(gps->gps_data.fix.time),
+ //gps_data->fix.time,
+ gps_data->fix.latitude,
+ gps_data->fix.longitude,
+ gps_data->fix.altitude * METERS_TO_FEET,
+ gps_data->fix.track,
+ gps_data->fix.speed * METERS_TO_FEET,
+ 'T'); /* position due to timer expired */
if (write(fd, buf, strlen(buf)) == -1) {
g_warning("Could not write log number %d to log file %s: %s",
- gps->ui.gps_log_number-1, filename, strerror(errno));
+ gps->ui.gps_log_number-1, filename, strerror(errno));
}
close(fd);
return TRUE;
}
-static gboolean on_gps_follow_clicked_event (GtkWidget *widget, gpointer user_data)
-{
- GritsPluginGps *gps = (GritsPluginGps *)user_data;
-
- g_debug("GritsPluginGps: follow_clicked_event - button status %d",
- gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget)));
- if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget))) {
- gps->follow_gps = TRUE;
- } else {
- gps->follow_gps = FALSE;
- }
-
- return FALSE;
-}
-
-
-static void gps_init_track_log_frame(GritsPluginGps *gps, GtkWidget *gbox)
-{
- /* Track log box with enable checkbox and filename entry */
- GtkWidget *gps_log_frame = gtk_frame_new ("Track Log");
- GtkWidget *lbox = gtk_vbox_new (FALSE, 2);
- gtk_container_add (GTK_CONTAINER (gps_log_frame), lbox);
- gtk_box_pack_start (GTK_BOX(gbox), gps_log_frame,
- FALSE, FALSE, 0);
-
- gps->ui.gps_log_checkbox =
- gtk_check_button_new_with_label("Log Position to File");
- g_signal_connect (G_OBJECT (gps->ui.gps_log_checkbox), "clicked",
- G_CALLBACK (on_gps_log_clicked_event),
- (gpointer)gps);
- gtk_box_pack_start (GTK_BOX(lbox), gps->ui.gps_log_checkbox,
- FALSE, FALSE, 0);
- /* Set up filename entry box */
- GtkWidget *fbox = gtk_hbox_new (FALSE, 2);
- GtkWidget *filename_label = gtk_label_new ("Filename:");
- gtk_box_pack_start (GTK_BOX(fbox), filename_label, FALSE, FALSE, 0);
- gps->ui.gps_log_filename_entry = gtk_entry_new();
- gtk_box_pack_start (GTK_BOX(fbox), gps->ui.gps_log_filename_entry,
- TRUE, TRUE, 0);
- gtk_box_pack_start (GTK_BOX(lbox), fbox, FALSE, FALSE, 0);
-
- /* set up gps log interval slider */
- GtkWidget *ubox = gtk_hbox_new (FALSE, 4);
- GtkWidget *interval_label = gtk_label_new ("Update Interval:");
- gtk_box_pack_start (GTK_BOX(ubox), interval_label, FALSE, FALSE, 0);
- gps->ui.gps_log_interval_slider =
- gtk_hscale_new_with_range(1.0, 600.0, 30.0);
- gtk_range_set_value (GTK_RANGE(gps->ui.gps_log_interval_slider),
- GPS_LOG_DEFAULT_UPDATE_INTERVAL);
- g_signal_connect (G_OBJECT (gps->ui.gps_log_interval_slider),
- "value-changed",
- G_CALLBACK(on_gps_log_interval_changed_event),
- (gpointer)gps);
- gtk_range_set_increments(
- GTK_RANGE(gps->ui.gps_log_interval_slider),
- 10.0 /* step */, 30.0 /* page up/down */);
- gtk_range_set_update_policy(
- GTK_RANGE(gps->ui.gps_log_interval_slider),
- GTK_UPDATE_DELAYED);
- gtk_box_pack_start (GTK_BOX(ubox), gps->ui.gps_log_interval_slider,
- TRUE, TRUE, 0);
- gtk_box_pack_start (GTK_BOX(lbox), ubox, FALSE, FALSE, 0);
-}
+/***************
+ * Range rings *
+ ***************/
-static gboolean on_gps_log_clicked_event (GtkWidget *widget, gpointer user_data)
+#ifdef GPS_RANGE_RINGS
+static gboolean on_gps_rangering_clicked_event(GtkWidget *widget, gpointer user_data)
{
GritsPluginGps *gps = (GritsPluginGps *)user_data;
- g_debug("GritsPluginGps: log_clicked_event");
-
- if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget))) {
- gps_write_log(gps);
-
- /* Schedule log file write */
- gps->ui.gps_log_timeout_id = g_timeout_add(
- gtk_range_get_value(
- GTK_RANGE(gps->ui.gps_log_interval_slider))*1000,
- gps_write_log, gps);
+ if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget))) {
+ gps->gps_rangering_active = TRUE;
} else {
- /* button unchecked */
- g_source_remove(gps->ui.gps_log_timeout_id);
- gps->ui.gps_log_timeout_id = 0;
- g_debug("GritsPluginGps: log_clicked_event - closed log file.");
- }
-
- return FALSE;
-}
-
-
-static void gps_init_status_info(GritsPluginGps *gps, GtkWidget *gbox)
-{
- gps->ui.gps_status_frame = gtk_frame_new("GPS Data");
- gps->ui.gps_status_table = gtk_table_new(5, 2, TRUE);
- gtk_container_add(GTK_CONTAINER (gps->ui.gps_status_frame),
- gps->ui.gps_status_table);
-
- /* gps data table setup */
- gint i;
- for (i = 0; i < sizeof(gps_table)/sizeof(*gps_table); i++) {
- gps_table[i].label_widget = gtk_label_new (gps_table[i].label);
- gtk_label_set_justify(GTK_LABEL(gps_table[i].label_widget),
- GTK_JUSTIFY_LEFT);
- gtk_table_attach(GTK_TABLE(gps->ui.gps_status_table),
- gps_table[i].label_widget,
- 0, 1, i, i+1, 0, 0, 0, 0);
- gps_table[i].value_widget = gtk_label_new(gps_table[i].initial_val);
- gtk_table_attach( GTK_TABLE(gps->ui.gps_status_table),
- gps_table[i].value_widget, 1, 2, i, i+1, 0, 0, 0, 0);
-
- PangoFontDescription *font_desc = pango_font_description_new ();
- pango_font_description_set_size (font_desc,
- gps_table[i].font_size*PANGO_SCALE);
- gtk_widget_modify_font (gps_table[i].label_widget, font_desc);
- gtk_widget_modify_font (gps_table[i].value_widget, font_desc);
- pango_font_description_free (font_desc);
+ gps->gps_rangering_active = FALSE;
}
- gtk_box_pack_start(GTK_BOX(gbox), gps->ui.gps_status_frame,
- FALSE, FALSE, 0);
- /* Start UI refresh task, which will reschedule itgps. */
- gps_redraw_all(gps);
- gps->gps_update_timeout_id = g_timeout_add(
- GPS_UPDATE_INTERVAL*1000,
- gps_redraw_all, gps);
+ /* XXX force a redraw */
+ return FALSE;
}
-
-#ifdef GPS_RANGE_RINGS
static void gps_init_range_rings(GritsPluginGps *gps, GtkWidget *gbox)
{
GtkWidget *gps_range_ring_frame = gtk_frame_new("Range Rings");
gtk_box_pack_start(GTK_BOX(cbox), gps->ui.gps_rangering_checkbox,
FALSE, FALSE, 0);
}
+#endif /* GPS_RANGE_RINGS */
-static gboolean on_gps_rangering_clicked_event(GtkWidget *widget, gpointer user_data)
-{
- GritsPluginGps *gps = (GritsPluginGps *)user_data;
- if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget))) {
- gps->gps_rangering_active = TRUE;
- } else {
- gps->gps_rangering_active = FALSE;
- }
+/****************
+ * Main drawing *
+ ****************/
- /* XXX force a redraw */
+static gboolean gps_data_is_valid(struct gps_data_t *gps_data)
+{
+ if (gps_data != NULL && gps_data->online != -1.0 &&
+ gps_data->fix.mode >= MODE_2D &&
+ gps_data->status > STATUS_NO_FIX) {
+ return TRUE;
+ }
return FALSE;
}
-#endif /* GPS_RANGE_RINGS */
+
+static void gps_update_status(GritsPluginGps *gps)
+{
+ struct gps_data_t *gps_data = &gps->gps_data;
+
+ /* gps table update */
+ gint i;
+ gchar *str;
+ for (i = 0; i < G_N_ELEMENTS(gps_table); i++) {
+ gtk_label_set_markup (GTK_LABEL(gps_table[i].value_widget),
+ (str = gps_table[i].get_data(gps_data)));
+ g_free(str);
+ }
+}
/* external interface to update UI from latest GPS data. */
gboolean gps_redraw_all(gpointer data)
}
/* update position labels */
- update_gps_status(gps);
+ gps_update_status(gps);
/* Update track and marker position */
if (gps_data_is_valid(gps_data) && gps->track.active) {
gps->marker = NULL;
}
- gchar *path = find_path(GPS_MARKER_ICON_PATH, GPS_MARKER_ICON);
- if (path) {
- gps->marker = grits_marker_icon_new("GPS", path,
- gps_data->fix.track, TRUE, MARKER_DMASK_ICON);
- g_free(path);
- } else {
- /* if icon not found just use a point */
- g_warning("Could not find GPS marker icon %s in path %s.",
- GPS_MARKER_ICON, GPS_MARKER_ICON_PATH);
- gps->marker = grits_marker_icon_new("GPS", NULL,
- gps_data->fix.track, FALSE,
- MARKER_DMASK_POINT|MARKER_DMASK_LABEL);
- }
-
- GRITS_OBJECT(gps->marker)->center.lat = gps_data->fix.latitude;
- GRITS_OBJECT(gps->marker)->center.lon = gps_data->fix.longitude;
- GRITS_OBJECT(gps->marker)->center.elev = 0.0;
- GRITS_OBJECT(gps->marker)->lod = EARTH_R;
+ gchar *path = find_path(GPS_MARKER_ICON_PATH, GPS_MARKER_ICON);
+ if (path) {
+ gps->marker = grits_marker_icon_new("GPS", path,
+ gps_data->fix.track, TRUE, MARKER_DMASK_ICON);
+ g_free(path);
+ } else {
+ /* if icon not found just use a point */
+ g_warning("Could not find GPS marker icon %s in path %s.",
+ GPS_MARKER_ICON, GPS_MARKER_ICON_PATH);
+ gps->marker = grits_marker_icon_new("GPS", NULL,
+ gps_data->fix.track, FALSE,
+ MARKER_DMASK_POINT|MARKER_DMASK_LABEL);
+ }
+
+ GRITS_OBJECT(gps->marker)->center.lat = gps_data->fix.latitude;
+ GRITS_OBJECT(gps->marker)->center.lon = gps_data->fix.longitude;
+ GRITS_OBJECT(gps->marker)->center.elev = 0.0;
+ GRITS_OBJECT(gps->marker)->lod = EARTH_R;
grits_viewer_add(gps->viewer,
GRITS_OBJECT(gps->marker),
}
-/******************* Track handling routines *****************/
+/***************
+ * Config Area *
+ ***************/
-static void gps_track_init(struct gps_track_t *track)
+/* GPS Data Frame */
+static void gps_init_status_info(GritsPluginGps *gps, GtkWidget *gbox)
{
- /* Save a spot at the end for the NULL termination */
- track->points = (gpointer)g_new0(double*, NUM_TRACK_GROUPS + 1);
- track->cur_point = 0;
- track->cur_group = 0;
- track->num_points = 1; /* starts at 1 so realloc logic works */
- track->line = NULL;
-}
+ gps->ui.gps_status_frame = gtk_frame_new("GPS Data");
+ gps->ui.gps_status_table = gtk_table_new(5, 2, TRUE);
+ gtk_container_add(GTK_CONTAINER (gps->ui.gps_status_frame),
+ gps->ui.gps_status_table);
-static void gps_track_clear(struct gps_track_t *track)
-{
- gint pi;
- for (pi = 0; pi < NUM_TRACK_GROUPS; pi++) {
- if (track->points[pi] != NULL) {
- g_free(track->points[pi]);
- track->points[pi] = NULL;
- }
+ /* gps data table setup */
+ gint i;
+ for (i = 0; i < G_N_ELEMENTS(gps_table); i++) {
+ gps_table[i].label_widget = gtk_label_new (gps_table[i].label);
+ gtk_label_set_justify(GTK_LABEL(gps_table[i].label_widget),
+ GTK_JUSTIFY_LEFT);
+ gtk_table_attach(GTK_TABLE(gps->ui.gps_status_table),
+ gps_table[i].label_widget,
+ 0, 1, i, i+1, 0, 0, 0, 0);
+ gps_table[i].value_widget = gtk_label_new(gps_table[i].initial_val);
+ gtk_table_attach( GTK_TABLE(gps->ui.gps_status_table),
+ gps_table[i].value_widget, 1, 2, i, i+1, 0, 0, 0, 0);
+
+ PangoFontDescription *font_desc = pango_font_description_new ();
+ pango_font_description_set_size (font_desc,
+ gps_table[i].font_size*PANGO_SCALE);
+ gtk_widget_modify_font (gps_table[i].label_widget, font_desc);
+ gtk_widget_modify_font (gps_table[i].value_widget, font_desc);
+ pango_font_description_free (font_desc);
}
- track->cur_point = 0;
- track->cur_group = 0;
- track->num_points = 1; /* starts at 1 so realloc logic works */
-}
+ gtk_box_pack_start(GTK_BOX(gbox), gps->ui.gps_status_frame,
+ FALSE, FALSE, 0);
+
+ /* Start UI refresh task, which will reschedule itgps. */
+ gps_redraw_all(gps);
+ gps->gps_update_timeout_id = g_timeout_add(
+ GPS_UPDATE_INTERVAL*1000,
+ gps_redraw_all, gps);
-static void gps_track_free(struct gps_track_t *track)
-{
- gps_track_clear(track);
- g_free(track->points);
}
-/* add a new track group (points in a track group are connected, and
- * separated from points in other track groups).
- */
-static void gps_track_group_incr(struct gps_track_t *track)
+/* GPS Control Frame */
+static gboolean on_gps_follow_clicked_event (GtkWidget *widget, gpointer user_data)
{
- gdouble (**points)[3] = track->points; /* for simplicity */
+ GritsPluginGps *gps = (GritsPluginGps *)user_data;
- /* Just return if they increment it again before any points have
- * been added.
- */
- if (points[track->cur_group] == NULL) {
- return;
+ g_debug("GritsPluginGps: follow_clicked_event - button status %d",
+ gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget)));
+ if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget))) {
+ gps->follow_gps = TRUE;
+ } else {
+ gps->follow_gps = FALSE;
}
- g_debug("GritsPluginGps: track_group_incr - track group %u->%u.",
- track->cur_group, track->cur_group + 1);
-
- track->cur_group++;
- track->cur_point = 0;
- track->num_points = 1; /* starts at 1 so realloc logic works */
-
- if (track->cur_group >= NUM_TRACK_GROUPS) {
- g_debug("GritsPluginGps: track_group_incr - track group %u "
- "is at max %u, shifting groups",
- track->cur_group, NUM_TRACK_GROUPS);
+ return FALSE;
+}
- /* Free the oldest one which falls off the end */
- g_free(points[0]);
+static gboolean on_gps_track_enable_clicked_event(GtkWidget *widget, gpointer user_data)
+{
+ GritsPluginGps *gps = (GritsPluginGps *)user_data;
- /* shift the rest down, last one should be NULL already */
- /* note we alloc NUM_TRACK_GROUPS+1 */
- for (int pi = 0; pi < NUM_TRACK_GROUPS; pi++) {
- points[pi] = points[pi+1];
- }
+ g_debug("GritsPluginGps: track_enable_clicked_event");
- /* always write into the last group */
- track->cur_group = NUM_TRACK_GROUPS - 1;
+ if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget))) {
+ /* start logging trip history */
+ GPS_STATUS(gps, "Enabled GPS track.");
+ gps->track.active = TRUE;
+ } else {
+ /* stop logging trip history */
+ GPS_STATUS(gps, "Disabled GPS track.");
+ gps->track.active = FALSE;
+ /* advance to the next track group, moving everything down if
+ * it's full. */
+ gps_track_group_incr(&gps->track);
}
+
+ return FALSE;
}
-static void gps_track_add_point(struct gps_track_t *track,
- gdouble lat, gdouble lon, gdouble elevation)
+static gboolean on_gps_track_clear_clicked_event(GtkWidget *widget, gpointer user_data)
{
- gdouble (**points)[3] = track->points; /* for simplicity */
-
- g_debug("GritsPluginGps: track_add_point");
+ GritsPluginGps *gps = (GritsPluginGps *)user_data;
- g_assert(track->cur_group < NUM_TRACK_GROUPS &&
- (track->cur_point <= track->num_points));
+ g_debug("GritsPluginGps: track_clear_clicked_event");
+ GPS_STATUS(gps, "Cleared GPS track.");
+ gps_track_clear(&gps->track);
- /* resize/allocate the point group if the current one is full */
- if (track->cur_point >= track->num_points - 1) {
- guint new_size = track->num_points == 1 ?
- NUM_TRACK_POINTS :
- track->num_points * NUM_TRACK_POINTS_FACTOR;
- g_debug("GritsPluginGps: track_add_point - reallocating points "
- "array from %u points to %u points.\n",
- track->num_points, new_size);
- points[track->cur_group] = (gpointer)g_renew(gdouble,
- points[track->cur_group], 3*(new_size+1));
- track->num_points = new_size;
- }
+ return FALSE;
+}
- g_assert(points[track->cur_group] != NULL);
+static void gps_init_control_frame(GritsPluginGps *gps, GtkWidget *gbox)
+{
+ /* Control checkboxes */
+ GtkWidget *gps_control_frame = gtk_frame_new("GPS Control");
+ GtkWidget *cbox = gtk_vbox_new(FALSE, 2);
+ gtk_container_add(GTK_CONTAINER(gps_control_frame), cbox);
+ gtk_box_pack_start(GTK_BOX(gbox), gps_control_frame, FALSE, FALSE, 0);
- /* Add the coordinate */
- lle2xyz(lat, lon, elevation,
- &points[track->cur_group][track->cur_point][0],
- &points[track->cur_group][track->cur_point][1],
- &points[track->cur_group][track->cur_point][2]);
+ gps->ui.gps_follow_checkbox =
+ gtk_check_button_new_with_label("Follow GPS");
+ g_signal_connect(G_OBJECT(gps->ui.gps_follow_checkbox), "clicked",
+ G_CALLBACK (on_gps_follow_clicked_event),
+ (gpointer)gps);
+ gtk_box_pack_start(GTK_BOX(cbox), gps->ui.gps_follow_checkbox,
+ FALSE, FALSE, 0);
- track->cur_point++;
+ gps->ui.gps_track_checkbox =
+ gtk_check_button_new_with_label("Record Track");
+ g_signal_connect(G_OBJECT(gps->ui.gps_track_checkbox), "clicked",
+ G_CALLBACK (on_gps_track_enable_clicked_event),
+ (gpointer)gps);
+ gtk_box_pack_start(GTK_BOX(cbox), gps->ui.gps_track_checkbox,
+ FALSE, FALSE, 0);
- /* make sure last point is always 0s so the line drawing stops. */
- points[track->cur_group][track->cur_point][0] = 0.0;
- points[track->cur_group][track->cur_point][1] = 0.0;
- points[track->cur_group][track->cur_point][2] = 0.0;
+ gps->ui.gps_clear_button = gtk_button_new_with_label("Clear Track");
+ g_signal_connect(G_OBJECT(gps->ui.gps_clear_button), "clicked",
+ G_CALLBACK (on_gps_track_clear_clicked_event),
+ (gpointer)gps);
+ gtk_box_pack_start(GTK_BOX(cbox), gps->ui.gps_clear_button,
+ FALSE, FALSE, 0);
}
-
-static gchar *gps_get_status(struct gps_data_t *gps_data)
+/* Track Log Frame */
+static gboolean on_gps_log_clicked_event(GtkWidget *widget, gpointer user_data)
{
- gchar *status_color;
- gchar *status_text;
+ GritsPluginGps *gps = (GritsPluginGps *)user_data;
- switch (gps_data->fix.mode) {
- case MODE_NOT_SEEN:
- status_color = "red";
- status_text = "No Signal";
- break;
- case MODE_NO_FIX:
- status_color = "red";
- status_text = "No Fix";
- break;
- case MODE_2D:
- status_color = "yellow";
- status_text = "2D Mode";
- break;
- case MODE_3D:
- status_color = "green";
- status_text = "3D Mode";
- break;
- default:
- status_color = "black";
- status_text = "Unknown";
- break;
+ g_debug("GritsPluginGps: log_clicked_event");
+
+ if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget))) {
+ gps_write_log(gps);
+
+ /* Schedule log file write */
+ gps->ui.gps_log_timeout_id = g_timeout_add(
+ gtk_range_get_value(
+ GTK_RANGE(gps->ui.gps_log_interval_slider))*1000,
+ gps_write_log, gps);
+ } else {
+ /* button unchecked */
+ g_source_remove(gps->ui.gps_log_timeout_id);
+ gps->ui.gps_log_timeout_id = 0;
+ g_debug("GritsPluginGps: log_clicked_event - closed log file.");
}
- return g_strdup_printf("<span foreground=\"%s\">%s</span>",
- status_color, status_text);
-}
-#if 0
-static gchar *gps_get_online(struct gps_data_t *);
+ return FALSE;
+}
-static gchar *gps_get_online(struct gps_data_t *gps_data)
+static gboolean on_gps_log_interval_changed_event(GtkWidget *widget, gpointer user_data)
{
- gchar *status_str;
- gchar *online_str;
+ GritsPluginGps *gps = (GritsPluginGps *)user_data;
- if (gps_data->online == -1.0) {
- online_str = "Offline";
- } else {
- online_str = "Online";
- }
+ g_assert(gps);
- switch (gps_data->status) {
- case 0:
- status_str = "No Fix";
- break;
- case 1:
- status_str = "Fix Acquired";
- break;
- case 2:
- status_str = "DGPS Fix";
- break;
- default:
- status_str = "Unknown Status";
- break;
- }
+ g_debug("GritsPluginGps: log_interval_changed_event - value = %f",
+ gtk_range_get_value(GTK_RANGE(widget)));
- return g_strdup_printf("%lf,%s,%s", gps_data->online, online_str, status_str);
-}
-#endif
+ if (gtk_toggle_button_get_active(
+ GTK_TOGGLE_BUTTON(gps->ui.gps_log_checkbox))) {
+ g_assert(gps->ui.gps_log_timeout_id != 0);
+ /* disable old timeout */
+ g_source_remove(gps->ui.gps_log_timeout_id);
+ gps->ui.gps_log_timeout_id = 0;
+ /* Schedule new log file write */
+ gps->ui.gps_log_timeout_id = g_timeout_add(
+ gtk_range_get_value(GTK_RANGE(widget))*1000,
+ gps_write_log, gps);
+ gps_write_log(gps);
+ }
-static gchar *gps_get_latitude(struct gps_data_t *gps_data)
-{
- return g_strdup_printf("%3.4f", gps_data->fix.latitude);
+ return FALSE;
}
-static gchar *gps_get_longitude(struct gps_data_t *gps_data)
+static void gps_init_track_log_frame(GritsPluginGps *gps, GtkWidget *gbox)
{
- return g_strdup_printf("%3.4f", gps_data->fix.longitude);
-}
+ /* Track log box with enable checkbox and filename entry */
+ GtkWidget *gps_log_frame = gtk_frame_new ("Track Log");
+ GtkWidget *lbox = gtk_vbox_new (FALSE, 2);
+ gtk_container_add (GTK_CONTAINER (gps_log_frame), lbox);
+ gtk_box_pack_start (GTK_BOX(gbox), gps_log_frame,
+ FALSE, FALSE, 0);
-static gchar *gps_get_elevation(struct gps_data_t *gps_data)
-{
- /* XXX Make units (m/ft) settable */
- return g_strdup_printf("%.1lf %s",
- (gps_data->fix.altitude * METERS_TO_FEET), "ft");
-}
+ gps->ui.gps_log_checkbox =
+ gtk_check_button_new_with_label("Log Position to File");
+ g_signal_connect (G_OBJECT (gps->ui.gps_log_checkbox), "clicked",
+ G_CALLBACK (on_gps_log_clicked_event),
+ (gpointer)gps);
+ gtk_box_pack_start (GTK_BOX(lbox), gps->ui.gps_log_checkbox,
+ FALSE, FALSE, 0);
-static gchar *gps_get_heading(struct gps_data_t *gps_data)
-{
- /* XXX Make units (m/ft) settable */
- return g_strdup_printf("%03.0lf", gps_data->fix.track);
+ /* Set up filename entry box */
+ GtkWidget *fbox = gtk_hbox_new (FALSE, 2);
+ GtkWidget *filename_label = gtk_label_new ("Filename:");
+ gtk_box_pack_start (GTK_BOX(fbox), filename_label, FALSE, FALSE, 0);
+ gps->ui.gps_log_filename_entry = gtk_entry_new();
+ gtk_box_pack_start (GTK_BOX(fbox), gps->ui.gps_log_filename_entry,
+ TRUE, TRUE, 0);
+ gtk_box_pack_start (GTK_BOX(lbox), fbox, FALSE, FALSE, 0);
+
+ /* set up gps log interval slider */
+ GtkWidget *ubox = gtk_hbox_new (FALSE, 4);
+ GtkWidget *interval_label = gtk_label_new ("Update Interval:");
+ gtk_box_pack_start (GTK_BOX(ubox), interval_label, FALSE, FALSE, 0);
+ gps->ui.gps_log_interval_slider =
+ gtk_hscale_new_with_range(1.0, 600.0, 30.0);
+ gtk_range_set_value (GTK_RANGE(gps->ui.gps_log_interval_slider),
+ GPS_LOG_DEFAULT_UPDATE_INTERVAL);
+ g_signal_connect (G_OBJECT (gps->ui.gps_log_interval_slider),
+ "value-changed",
+ G_CALLBACK(on_gps_log_interval_changed_event),
+ (gpointer)gps);
+ gtk_range_set_increments(
+ GTK_RANGE(gps->ui.gps_log_interval_slider),
+ 10.0 /* step */, 30.0 /* page up/down */);
+ gtk_range_set_update_policy(
+ GTK_RANGE(gps->ui.gps_log_interval_slider),
+ GTK_UPDATE_DELAYED);
+ gtk_box_pack_start (GTK_BOX(ubox), gps->ui.gps_log_interval_slider,
+ TRUE, TRUE, 0);
+ gtk_box_pack_start (GTK_BOX(lbox), ubox, FALSE, FALSE, 0);
}
-static gchar *gps_get_speed(struct gps_data_t *gps_data)
+
+/*******************
+ * GPSD interfaces *
+ *******************/
+
+static void process_gps(gpointer data, gint source, GdkInputCondition condition)
{
- /* XXX Make units (m/ft) settable */
- return g_strdup_printf("%1.1f %s",
- (gps_data->fix.speed*3600.0*METERS_TO_FEET/5280.0), "mph");
-}
+ struct gps_data_t *gps_data = (struct gps_data_t *)data;
+
+ g_debug("GritsPluginGps: process_gps");
+ /* Process any data from the gps and call the hook function */
+ if (gps_data != NULL) {
+ gint result = gps_read(gps_data);
+ g_debug("GritsPluginGps: process_gps - gps_read returned %d, "
+ "position %f, %f.", result,
+ gps_data->fix.latitude, gps_data->fix.longitude);
+ } else {
+ g_warning("GritsPluginGps: process_gps - gps_data == NULL.");
+ }
+}
-static gint initialize_gpsd(char *server, gchar *port,
- struct gps_data_t *gps_data)
+static gint initialize_gpsd(char *server, gchar *port, struct gps_data_t *gps_data)
{
#if GPSD_API_MAJOR_VERSION < 5
#error "GPSD protocol version 5 or greater required."
return result;
}
-static void process_gps(gpointer data, gint source, GdkInputCondition condition)
-{
- struct gps_data_t *gps_data = (struct gps_data_t *)data;
- g_debug("GritsPluginGps: process_gps");
-
- /* Process any data from the gps and call the hook function */
- if (gps_data != NULL) {
- gint result = gps_read(gps_data);
- g_debug("GritsPluginGps: process_gps - gps_read returned %d, "
- "position %f, %f.", result,
- gps_data->fix.latitude, gps_data->fix.longitude);
- } else {
- g_warning("GritsPluginGps: process_gps - gps_data == NULL.");
- }
-}
-
-/************************** GPS Object Methods *************************/
+/**********************
+ * GPS Plugin Methods *
+ **********************/
/* Methods */
GritsPluginGps *grits_plugin_gps_new(GritsViewer *viewer, GritsPrefs *prefs)
initialize_gpsd("localhost", DEFAULT_GPSD_PORT, &gps->gps_data);
gps->follow_gps = FALSE;
-
+
gps_track_init(&gps->track);
gps_init_status_info(gps, gps->hbox);
gps_init_control_frame(gps, gps->hbox);
return gps;
}
-
static GtkWidget *grits_plugin_gps_get_config(GritsPlugin *_gps)
{
GritsPluginGps *gps = GRITS_PLUGIN_GPS(_gps);
projects / aweather / commitdiff