Add:vehicle/maemo:Added support for Maemo/Fremantle liblocation API.

git-svn-id: http://svn.code.sf.net/p/navit/code/trunk/navit@2913 ffa7fe5e-494d-0410-b361-a75ebd5db220

1 files changed, 315 insertions, 0 deletions

diff --git a/navit/vehicle/maemo/vehicle_maemo.c b/navit/vehicle/maemo/vehicle_maemo.c
new file mode 100644
index 000000000..961980d8e
--- /dev/null
+++ b/navit/vehicle/maemo/vehicle_maemo.c
@@ -0,0 +1,315 @@
+/**
+ * Navit, a modular navigation system.
+ * Copyright (C) 2005-2008 Navit Team
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA  02110-1301, USA.
+ */
+
+
+/* 
+	Plugin for new Maemo's  liblocation API.
+ 
+	<vehicle source="maemo://any" retry_interval="1"/>
+   source cound be on of "any","cwp","acwp","gnss","agnss"
+   retry_interval could be one of "1","2","5","10","20","30","60","120" measured in seconds
+*/
+
+#include <config.h>
+#include <string.h>
+#include <glib.h>
+#include <math.h>
+#include <location/location-gps-device.h>
+#include <location/location-gpsd-control.h>
+#include "debug.h"
+#include "callback.h"
+#include "plugin.h"
+#include "coord.h"
+#include "item.h"
+#include "vehicle.h"
+#include "event.h"
+
+static struct vehicle_priv {
+	LocationGPSDControl *control;
+	LocationGPSDevice *device;
+	char *source;
+	guint retry_interval;
+	struct callback_list *cbl;
+	struct attr ** attrs;
+	int sats_signal; // satellites_in_view
+	int sats_used; //satellites_in_user
+	int fix_type; //mode
+	struct coord_geo geo; //lattigute&longittude
+	double speed; //speed:)
+	double direction; //track
+	double height; //altitude
+	double hdop; //eph
+	time_t fix_time; //time
+	char fixiso8601[128];
+};
+
+ 
+static void vehicle_maemo_callback(LocationGPSDevice *device, gpointer user_data) {
+	struct vehicle_priv *priv=(struct vehicle_priv*)user_data;
+
+	priv->sats_signal=device->satellites_in_view;
+	priv->sats_used=device->satellites_in_use;
+	callback_list_call_attr_0(priv->cbl, attr_position_sats);
+
+	dbg(1,"Got update with %u/%u satellites\n",priv->sats_used,priv->sats_signal);
+
+	if (device->fix) {
+		priv->fix_type=device->fix->mode;
+
+		if (device->fix->fields & LOCATION_GPS_DEVICE_LATLONG_SET) {
+			priv->geo.lat=device->fix->latitude;
+			priv->geo.lng=device->fix->longitude;
+			priv->hdop=device->fix->eph/100;
+			callback_list_call_attr_0(priv->cbl, attr_position_coord_geo);
+			dbg(1,"Position: %f %f with error %f meters\n",priv->geo.lat,priv->geo.lng,priv->hdop);
+		}
+
+		if (device->fix->fields & LOCATION_GPS_DEVICE_SPEED_SET) {
+			priv->speed=device->fix->speed;
+			callback_list_call_attr_0(priv->cbl, attr_position_speed);
+			dbg(1,"Speed: %f\n ",priv->speed);
+		}
+
+		if (device->fix->fields & LOCATION_GPS_DEVICE_TRACK_SET) {
+			priv->direction=device->fix->track;
+			dbg(1,"Direction: %f\n",priv->direction);
+		}
+
+		if (device->fix->fields & LOCATION_GPS_DEVICE_TIME_SET) {
+			priv->fix_time=device->fix->time;
+			dbg(1,"Time: %f\n",priv->fix_time);
+		}
+
+	}
+
+	return;
+}
+ 
+static void vehicle_maemo_error(LocationGPSDControl *control, LocationGPSDControlError error, gpointer user_data)
+{ 
+  switch (error) {
+  case LOCATION_ERROR_USER_REJECTED_DIALOG:
+    dbg(0,"User didn't enable requested methods\n");
+    break;
+  case LOCATION_ERROR_USER_REJECTED_SETTINGS:
+    dbg(0,"User changed settings, which disabled location\n");
+    break;
+  case LOCATION_ERROR_BT_GPS_NOT_AVAILABLE:
+    dbg(0,"Problems with BT GPS\n");
+    break;
+  case LOCATION_ERROR_METHOD_NOT_ALLOWED_IN_OFFLINE_MODE:
+    dbg(0,"Requested method is not allowed in offline mode\n");
+    break;
+  case LOCATION_ERROR_SYSTEM:
+    dbg(0,"System error\n");
+    break;
+  }
+}
+
+/**
+ * Instantiate liblocation objects
+ */
+static void
+vehicle_maemo_open(struct vehicle_priv *priv)
+{
+
+	priv->control = location_gpsd_control_get_default();
+	priv->device = g_object_new(LOCATION_TYPE_GPS_DEVICE, NULL);
+
+	if (!strcasecmp(priv->source+8,"cwp")) {
+		g_object_set(G_OBJECT(priv->control),	"preferred-method", LOCATION_METHOD_CWP, NULL);
+		dbg(1,"Method set: CWP\n");
+	} else if (!strcasecmp(priv->source+8,"acwp")) {
+		g_object_set(G_OBJECT(priv->control),	"preferred-method", LOCATION_METHOD_ACWP, NULL);
+		dbg(1,"Method set: ACWP\n");
+	} else if (!strcasecmp(priv->source+8,"gnss")) {
+		g_object_set(G_OBJECT(priv->control),	"preferred-method", LOCATION_METHOD_GNSS, NULL);
+		dbg(1,"Method set: GNSS\n");
+	} else if (!strcasecmp(priv->source+8,"agnss")) {
+		g_object_set(G_OBJECT(priv->control),	"preferred-method", LOCATION_METHOD_AGNSS, NULL); 
+		dbg(1,"Method set: AGNSS\n");
+	} else {
+		g_object_set(G_OBJECT(priv->control),	"preferred-method", LOCATION_METHOD_USER_SELECTED, NULL); 
+		dbg(1,"Method set: ANY\n");
+	}
+
+	switch (priv->retry_interval) {
+	case 2:
+		g_object_set(G_OBJECT(priv->control),	"preferred-interval", LOCATION_INTERVAL_2S,	NULL);
+		dbg(1,"Interval set: 2s\n");
+		break;
+	case 5:
+		g_object_set(G_OBJECT(priv->control),	"preferred-interval", LOCATION_INTERVAL_5S,	NULL);
+		dbg(1,"Interval set: 5s\n");
+		break;
+	case 10:
+		g_object_set(G_OBJECT(priv->control),	"preferred-interval", LOCATION_INTERVAL_10S,	NULL);
+		dbg(1,"Interval set: 10s\n");
+		break;
+	case 20:
+		g_object_set(G_OBJECT(priv->control),	"preferred-interval", LOCATION_INTERVAL_20S,	NULL);
+		dbg(1,"Interval set: 20s\n");
+		break;
+	case 30:
+		g_object_set(G_OBJECT(priv->control),	"preferred-interval", LOCATION_INTERVAL_30S,	NULL);
+		dbg(1,"Interval set: 30s\n");
+		break;
+	case 60:
+		g_object_set(G_OBJECT(priv->control),	"preferred-interval", LOCATION_INTERVAL_60S,	NULL);
+		dbg(1,"Interval set: 60s\n");
+		break;
+	case 120:
+		g_object_set(G_OBJECT(priv->control),	"preferred-interval", LOCATION_INTERVAL_120S,	NULL);
+		dbg(1,"Interval set: 120s\n");
+		break;
+	case 1:
+	default:
+		g_object_set(G_OBJECT(priv->control),	"preferred-interval", LOCATION_INTERVAL_1S,	NULL);
+		dbg(1,"Interval set: 1s\n");
+		break;
+	}
+
+	g_signal_connect(priv->device, "changed", G_CALLBACK(vehicle_maemo_callback), priv);
+	g_signal_connect(priv->control, "error-verbose", G_CALLBACK(vehicle_maemo_error), priv);
+
+	location_gpsd_control_start(priv->control);
+
+	return;
+}
+
+static void
+vehicle_maemo_destroy(struct vehicle_priv *priv)
+{
+	location_gpsd_control_stop(priv->control);
+
+	g_object_unref(priv->device);
+	g_object_unref(priv->control);
+
+	return;
+}
+
+static int
+vehicle_maemo_position_attr_get(struct vehicle_priv *priv,
+			       enum attr_type type, struct attr *attr)
+{
+	struct attr * active=NULL;
+	switch (type) {
+	case attr_position_fix_type:
+		dbg(1,"Attr requested: position_fix_type\n");
+		attr->u.num = priv->fix_type;
+		break;
+	case attr_position_height:
+		dbg(1,"Attr requested: position_height\n");
+		attr->u.numd = &priv->height;
+		break;
+	case attr_position_speed:
+		dbg(1,"Attr requested: position_speed\n");
+		attr->u.numd = &priv->speed;
+		break;
+	case attr_position_direction:
+		dbg(1,"Attr requested: position_direction\n");
+		attr->u.numd = &priv->direction;
+		break;
+	case attr_position_hdop:
+		dbg(1,"Attr requested: position_hdop\n");
+		attr->u.numd = &priv->hdop;
+		break;
+	case attr_position_sats_signal:
+		dbg(1,"Attr requested: position_sats_signal\n");
+		attr->u.num = priv->sats_signal;
+		break;
+	case attr_position_sats_used:
+		dbg(1,"Attr requested: position_sats_used\n");
+		attr->u.num = priv->sats_used;
+		break;
+	case attr_position_coord_geo:
+		dbg(1,"Attr requested: position_coord_geo\n");
+		attr->u.coord_geo = &priv->geo;
+		break;
+	case attr_position_time_iso8601:
+		{
+		struct tm tm;
+		dbg(1,"Attr requested: position_time_iso8601\n");
+		if (!priv->fix_time)
+			return 0;
+		if (gmtime_r(&priv->fix_time, &tm)) {
+			strftime(priv->fixiso8601, sizeof(priv->fixiso8601),
+				"%Y-%m-%dT%TZ", &tm);
+			attr->u.str=priv->fixiso8601;
+		} else
+			return 0;
+		}
+		break;
+	case attr_active:
+		dbg(1,"Attr requested: position_active\n");
+		active = attr_search(priv->attrs,NULL,attr_active);
+		if(active != NULL) {
+			attr->u.num=active->u.num;
+			return 1;
+		} else
+			return 0;
+			break;
+	default:
+			return 0;
+	}
+	attr->type = type;
+	return 1;
+}
+
+struct vehicle_methods vehicle_maemo_methods = {
+	vehicle_maemo_destroy,
+	vehicle_maemo_position_attr_get,
+};
+
+static struct vehicle_priv *
+vehicle_maemo_new_maemo(struct vehicle_methods
+		      *meth, struct callback_list
+		      *cbl, struct attr **attrs)
+{
+	struct vehicle_priv *ret;
+	struct attr *source, *retry_int;
+
+	dbg(1, "enter\n");
+	source = attr_search(attrs, NULL, attr_source);
+	ret = g_new0(struct vehicle_priv, 1);
+	ret->source = g_strdup(source->u.str);
+	retry_int = attr_search(attrs, NULL, attr_retry_interval);
+	if (retry_int) {
+		ret->retry_interval = retry_int->u.num;
+		if (ret->retry_interval !=1 && ret->retry_interval !=2 && ret->retry_interval !=5 && ret->retry_interval !=10 && ret->retry_interval !=20 && ret->retry_interval !=30 && ret->retry_interval !=60 && ret->retry_interval !=120 ) {
+			dbg(0, "Retry interval %d invalid, setting to 1\n", ret->retry_interval,1);
+			ret->retry_interval = 1;
+		}
+	} else {
+		ret->retry_interval = 1;
+	}
+	dbg(1,"source: %s, interval: %u\n",ret->source,ret->retry_interval);
+	ret->cbl = cbl;
+	*meth = vehicle_maemo_methods;
+	ret->attrs = attrs;
+	vehicle_maemo_open(ret);
+	return ret;
+}
+
+void
+plugin_init(void)
+{
+	dbg(1, "enter\n");
+	plugin_register_vehicle_type("maemo", vehicle_maemo_new_maemo);
+}