2 * viking -- GPS Data and Topo Analyzer, Explorer, and Manager
4 * Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 #include "vikgpslayer_pixmap.h"
28 #include <glib/gprintf.h>
30 #define DISCONNECT_UPDATE_SIGNAL(vl, val) g_signal_handlers_disconnect_matched(vl, G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, val)
32 static VikGpsLayer *gps_layer_copy ( VikGpsLayer *val, gpointer vp );
33 static void gps_layer_marshall( VikGpsLayer *val, guint8 **data, gint *len );
34 static VikGpsLayer *gps_layer_unmarshall( guint8 *data, gint len, VikViewport *vvp );
35 static gboolean gps_layer_set_param ( VikGpsLayer *vgl, guint16 id, VikLayerParamData data, VikViewport *vp );
36 static VikLayerParamData gps_layer_get_param ( VikGpsLayer *vgl, guint16 id );
38 static void gps_layer_change_coord_mode ( VikGpsLayer *val, VikCoordMode mode );
39 static void gps_layer_add_menu_items( VikGpsLayer *vtl, GtkMenu *menu, gpointer vlp );
40 static void gps_layer_drag_drop_request ( VikGpsLayer *val_src, VikGpsLayer *val_dest, GtkTreeIter *src_item_iter, GtkTreePath *dest_path );
43 static void gps_upload_cb( gpointer layer_and_vlp[2] );
44 static void gps_download_cb( gpointer layer_and_vlp[2] );
46 typedef enum {GARMIN_P = 0, MAGELLAN_P, NUM_PROTOCOLS} vik_gps_proto;
47 static gchar * params_protocols[] = {"Garmin", "Magellan", NULL};
48 static gchar * protocols_args[] = {"garmin", "magellan"};
49 /*#define NUM_PROTOCOLS (sizeof(params_protocols)/sizeof(params_protocols[0]) - 1) */
50 static gchar * params_ports[] = {"/dev/ttyS0", "/dev/ttyS1", "/dev/ttyUSB0", "/dev/ttyUSB1", NULL};
51 #define NUM_PORTS (sizeof(params_ports)/sizeof(params_ports[0]) - 1)
52 typedef enum {GPS_DOWN=0, GPS_UP} gps_dir;
65 GtkWidget *status_label;
70 GtkWidget *progress_label;
73 static void gps_session_delete(GpsSession *sess);
75 static VikLayerParam gps_layer_params[] = {
76 { "gps_protocol", VIK_LAYER_PARAM_UINT, VIK_LAYER_GROUP_NONE, "GPS Protocol:", VIK_LAYER_WIDGET_COMBOBOX, params_protocols, NULL},
77 { "gps_port", VIK_LAYER_PARAM_UINT, VIK_LAYER_GROUP_NONE, "Serial Port:", VIK_LAYER_WIDGET_COMBOBOX, params_ports, NULL},
79 static enum {PARAM_PROTOCOL=0, PARAM_PORT, NUM_PARAMS};
81 VikLayerInterface vik_gps_layer_interface = {
93 (VikLayerFuncCreate) vik_gps_layer_create,
94 (VikLayerFuncRealize) vik_gps_layer_realize,
95 (VikLayerFuncPostRead) NULL,
96 (VikLayerFuncFree) vik_gps_layer_free,
98 (VikLayerFuncProperties) NULL,
99 (VikLayerFuncDraw) vik_gps_layer_draw,
100 (VikLayerFuncChangeCoordMode) gps_layer_change_coord_mode,
102 (VikLayerFuncAddMenuItems) gps_layer_add_menu_items,
103 (VikLayerFuncSublayerAddMenuItems) NULL,
105 (VikLayerFuncSublayerRenameRequest) NULL,
106 (VikLayerFuncSublayerToggleVisible) NULL,
108 (VikLayerFuncCopy) gps_layer_copy,
109 (VikLayerFuncMarshall) gps_layer_marshall,
110 (VikLayerFuncUnmarshall) gps_layer_unmarshall,
112 (VikLayerFuncSetParam) gps_layer_set_param,
113 (VikLayerFuncGetParam) gps_layer_get_param,
115 (VikLayerFuncReadFileData) NULL,
116 (VikLayerFuncWriteFileData) NULL,
118 (VikLayerFuncDeleteItem) NULL,
119 (VikLayerFuncCopyItem) NULL,
120 (VikLayerFuncPasteItem) NULL,
121 (VikLayerFuncFreeCopiedItem) NULL,
122 (VikLayerFuncDragDropRequest) gps_layer_drag_drop_request,
125 static enum {TRW_DOWNLOAD, TRW_UPLOAD, NUM_TRW};
126 static gchar * trw_names[] = {"GPS Download", "GPS Upload"};
127 struct _VikGpsLayer {
129 VikTrwLayer * trw_children[NUM_TRW];
132 guint serial_port_id;
135 GType vik_gps_layer_get_type ()
137 static GType val_type = 0;
141 static const GTypeInfo val_info =
143 sizeof (VikGpsLayerClass),
144 NULL, /* base_init */
145 NULL, /* base_finalize */
146 NULL, /* class init */
147 NULL, /* class_finalize */
148 NULL, /* class_data */
149 sizeof (VikGpsLayer),
151 NULL /* instance init */
153 val_type = g_type_register_static ( VIK_LAYER_TYPE, "VikGpsLayer", &val_info, 0 );
159 VikGpsLayer *vik_gps_layer_create (VikViewport *vp)
161 VikGpsLayer *rv = vik_gps_layer_new ();
162 vik_layer_rename ( VIK_LAYER(rv), vik_gps_layer_interface.name );
163 rv->trw_children[TRW_UPLOAD] = VIK_TRW_LAYER(vik_layer_create ( VIK_LAYER_TRW, vp, NULL, FALSE ));
164 rv->trw_children[TRW_DOWNLOAD] = VIK_TRW_LAYER(vik_layer_create ( VIK_LAYER_TRW, vp, NULL, FALSE ));
168 static VikGpsLayer *gps_layer_copy ( VikGpsLayer *vgl, gpointer vp )
170 VikGpsLayer *rv = vik_gps_layer_new ();
173 for (i = 0; i < NUM_TRW; i++) {
174 rv->trw_children[i] = vik_layer_copy(VIK_LAYER(vgl->trw_children[i]), vp);
175 g_signal_connect_swapped ( G_OBJECT(rv->trw_children[i]), "update", G_CALLBACK(vik_layer_emit_update), rv );
182 static void gps_layer_marshall( VikGpsLayer *vgl, guint8 **data, gint *datalen )
184 VikLayer *child_layer;
187 GByteArray* b = g_byte_array_new ();
191 #define alm_append(obj, sz) \
193 g_byte_array_append ( b, (guint8 *)&len, sizeof(len) ); \
194 g_byte_array_append ( b, (guint8 *)(obj), len );
196 vik_layer_marshall_params(VIK_LAYER(vgl), &ld, &ll);
200 for (i = 0; i < NUM_TRW; i++) {
201 child_layer = VIK_LAYER(vgl->trw_children[i]);
202 vik_layer_marshall(child_layer, &ld, &ll);
210 g_byte_array_free(b, FALSE);
215 static VikGpsLayer *gps_layer_unmarshall( guint8 *data, gint len, VikViewport *vvp )
217 #define alm_size (*(gint *)data)
219 len -= sizeof(gint) + alm_size; \
220 data += sizeof(gint) + alm_size;
222 VikGpsLayer *rv = vik_gps_layer_new();
223 VikLayer *child_layer;
226 vik_layer_unmarshall_params ( VIK_LAYER(rv), data+sizeof(gint), alm_size, vvp );
230 while (len>0 && i < NUM_TRW) {
231 child_layer = vik_layer_unmarshall ( data + sizeof(gint), alm_size, vvp );
233 rv->trw_children[i++] = child_layer;
234 g_signal_connect_swapped ( G_OBJECT(child_layer), "update", G_CALLBACK(vik_layer_emit_update), rv );
238 // g_print("gps_layer_unmarshall ended with len=%d\n", len);
245 static gboolean gps_layer_set_param ( VikGpsLayer *vgl, guint16 id, VikLayerParamData data, VikViewport *vp )
250 if (data.u < NUM_PROTOCOLS)
251 vgl->protocol_id = data.u;
253 g_warning("Unknown GPS Protocol");
256 if (data.u < NUM_PORTS)
257 vgl->serial_port_id = data.u;
259 g_warning("Unknown serial port device");
266 static VikLayerParamData gps_layer_get_param ( VikGpsLayer *vgl, guint16 id )
268 VikLayerParamData rv;
272 rv.u = vgl->protocol_id;
275 rv.u = vgl->serial_port_id;
278 g_warning("gps_layer_get_param(): unknown parameter");
281 /* fprintf(stderr, "gps_layer_get_param() called\n"); */
286 VikGpsLayer *vik_gps_layer_new ()
289 VikGpsLayer *vgl = VIK_GPS_LAYER ( g_object_new ( VIK_GPS_LAYER_TYPE, NULL ) );
290 vik_layer_init ( VIK_LAYER(vgl), VIK_LAYER_GPS );
291 for (i = 0; i < NUM_TRW; i++) {
292 vgl->trw_children[i] = NULL;
295 /* Setting params here */
296 vgl->protocol_id = 0;
297 vgl->serial_port_id = 0;
302 void vik_gps_layer_draw ( VikGpsLayer *vgl, gpointer data )
306 for (i = 0; i < NUM_TRW; i++) {
307 vik_layer_draw(vgl->trw_children[i], data);
311 static void gps_layer_change_coord_mode ( VikGpsLayer *vgl, VikCoordMode mode )
314 for (i = 0; i < NUM_TRW; i++) {
315 vik_layer_change_coord_mode(vgl->trw_children[i], mode);
319 static void gps_layer_add_menu_items( VikGpsLayer *vgl, GtkMenu *menu, gpointer vlp )
321 static gpointer pass_along[2];
326 item = gtk_menu_item_new();
327 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
328 gtk_widget_show ( item );
330 item = gtk_menu_item_new_with_label ( "Upload to GPS" );
331 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_upload_cb), pass_along );
332 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
333 gtk_widget_show ( item );
335 item = gtk_menu_item_new_with_label ( "Download from GPS" );
336 g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(gps_download_cb), pass_along );
337 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
338 gtk_widget_show ( item );
342 static void disconnect_layer_signal ( VikLayer *vl, VikGpsLayer *vgl )
345 guint num_signals = DISCONNECT_UPDATE_SIGNAL(vl,vgl);
346 fprintf(stderr, "disconnect_layer_signal(): num_signals = %d\n", num_signals);
349 g_assert(DISCONNECT_UPDATE_SIGNAL(vl,vgl)==1);
352 void vik_gps_layer_free ( VikGpsLayer *vgl )
354 #ifdef XXXXXXXXXXXXXXX
355 g_list_foreach ( val->children, (GFunc)(disconnect_layer_signal), val );
356 g_list_foreach ( val->children, (GFunc)(g_object_unref), NULL );
357 g_list_free ( val->children );
358 #endif /* XXXXXXXXXXXXXXX */
360 for (i = 0; i < NUM_TRW; i++) {
361 disconnect_layer_signal(vgl->trw_children[i], vgl);
362 g_object_unref(vgl->trw_children[i]);
366 static void delete_layer_iter ( VikLayer *vl )
369 vik_treeview_item_delete ( vl->vt, &(vl->iter) );
372 gboolean vik_gps_layer_delete ( VikGpsLayer *vgl, GtkTreeIter *iter )
375 VikLayer *l = VIK_LAYER( vik_treeview_item_get_pointer ( VIK_LAYER(vgl)->vt, iter ) );
376 gboolean was_visible = l->visible;
378 vik_treeview_item_delete ( VIK_LAYER(vgl)->vt, iter );
379 for (i = 0; i < NUM_TRW; i++) {
380 if (vgl->trw_children[i] == l)
381 vgl->trw_children[i] = NULL;
383 g_assert(DISCONNECT_UPDATE_SIGNAL(l,vgl)==1);
384 g_object_unref ( l );
390 /* returns 0 == we're good, 1 == didn't find any layers, 2 == got rejected */
391 guint vik_gps_layer_tool ( VikGpsLayer *val, guint16 layer_type, VikToolInterfaceFunc tool_func, GdkEventButton *event, VikViewport *vvp )
393 GList *iter = val->children;
394 gboolean found_rej = FALSE;
402 /* if this layer "accepts" the tool call */
403 if ( VIK_LAYER(iter->data)->visible && VIK_LAYER(iter->data)->type == layer_type )
405 if ( tool_func ( VIK_LAYER(iter->data), event, vvp ) )
411 /* recursive -- try the same for the child gps layer. */
412 else if ( VIK_LAYER(iter->data)->visible && VIK_LAYER(iter->data)->type == VIK_LAYER_GPS )
414 gint rv = vik_gps_layer_tool(VIK_GPS_LAYER(iter->data), layer_type, tool_func, event, vvp);
422 return found_rej ? 2 : 1; /* no one wanted to accept the tool call in this layer */
426 void vik_gps_layer_realize ( VikGpsLayer *vgl, VikTreeview *vt, GtkTreeIter *layer_iter )
431 for (ix = 0; ix < NUM_TRW; ix++) {
432 VikLayer * trw = vgl->trw_children[ix];
433 vik_treeview_add_layer ( VIK_LAYER(vgl)->vt, layer_iter, &iter,
435 trw, trw->type, trw->type );
436 if ( ! trw->visible )
437 vik_treeview_item_set_visible ( VIK_LAYER(vgl)->vt, &iter, FALSE );
438 vik_layer_realize ( trw, VIK_LAYER(vgl)->vt, &iter );
439 g_signal_connect_swapped ( G_OBJECT(trw), "update", G_CALLBACK(vik_layer_emit_update), vgl );
443 static void gps_layer_drag_drop_request ( VikGpsLayer *val_src, VikGpsLayer *val_dest, GtkTreeIter *src_item_iter, GtkTreePath *dest_path )
445 VikTreeview *vt = VIK_LAYER(val_src)->vt;
446 VikLayer *vl = vik_treeview_item_get_pointer(vt, src_item_iter);
447 GtkTreeIter dest_iter;
449 gboolean target_exists;
452 fprintf(stderr, "gps_layer_drag_drop_request() called\n");
454 dp = gtk_tree_path_to_string(dest_path);
455 target_exists = vik_treeview_get_iter_from_path_str(vt, &dest_iter, dp);
457 /* vik_gps_layer_delete unrefs, but we don't want that here.
458 * we're still using the layer. */
460 vik_gps_layer_delete(val_src, src_item_iter);
462 #ifdef XXXXXXXXXXXXXXXXXXXXXXXXX
465 vik_gps_layer_insert_layer(val_dest, vl, &dest_iter);
467 vik_gps_layer_insert_layer(val_dest, vl, NULL); /* append */
469 #endif /* XXXXXXXXXXXXXXXXXXXXXXXXX */
473 static void gps_session_delete(GpsSession *sess)
476 g_mutex_free(sess->mutex);
477 g_free(sess->cmd_args);
483 static void set_total_count(gint cnt, GpsSession *sess)
487 g_mutex_lock(sess->mutex);
489 g_sprintf(s, "%s %d %s...",
490 (sess->direction == GPS_DOWN) ? "Downloading" : "Uploading", cnt,
491 (sess->progress_label == sess->wp_label) ? "waypoints" : "trackpoints");
492 gtk_label_set_text ( GTK_LABEL(sess->progress_label), s );
493 gtk_widget_show ( sess->progress_label );
494 sess->total_count = cnt;
496 g_mutex_unlock(sess->mutex);
500 static void set_current_count(gint cnt, GpsSession *sess)
503 gchar *dir_str = (sess->direction == GPS_DOWN) ? "Downloaded" : "Uploaded";
506 g_mutex_lock(sess->mutex);
508 if (cnt < sess->total_count) {
509 g_sprintf(s, "%s %d out of %d %s...", dir_str, cnt, sess->total_count, (sess->progress_label == sess->wp_label) ? "waypoints" : "trackpoints");
511 g_sprintf(s, "%s %d %s.", dir_str, cnt, (sess->progress_label == sess->wp_label) ? "waypoints" : "trackpoints");
513 gtk_label_set_text ( GTK_LABEL(sess->progress_label), s );
515 g_mutex_unlock(sess->mutex);
519 static void set_gps_info(const gchar *info, GpsSession *sess)
523 g_mutex_lock(sess->mutex);
525 g_sprintf(s, "GPS Device: %s", info);
526 gtk_label_set_text ( GTK_LABEL(sess->gps_label), s );
528 g_mutex_unlock(sess->mutex);
532 static void gps_download_progress_func(BabelProgressCode c, gpointer data, GpsSession * sess )
536 gdk_threads_enter ();
537 g_mutex_lock(sess->mutex);
539 g_mutex_unlock(sess->mutex);
540 gps_session_delete(sess);
542 g_thread_exit ( NULL );
544 g_mutex_unlock(sess->mutex);
545 gdk_threads_leave ();
548 case BABEL_DIAG_OUTPUT:
549 line = (gchar *)data;
551 /* tells us how many items there will be */
552 if (strstr(line, "Xfer Wpt")) {
553 sess->progress_label = sess->wp_label;
555 if (strstr(line, "Xfer Trk")) {
556 sess->progress_label = sess->trk_label;
558 if (strstr(line, "PRDDAT")) {
559 gchar **tokens = g_strsplit(line, " ", 0);
564 for (i=8; tokens[i] && ilen < sizeof(info)-2 && strcmp(tokens[i], "00"); i++) {
566 sscanf(tokens[i], "%x", &ch);
570 set_gps_info(info, sess);
572 if (strstr(line, "RECORD")) {
575 sscanf(line+17, "%x", &lsb);
576 sscanf(line+20, "%x", &msb);
577 cnt = lsb + msb * 256;
578 set_total_count(cnt, sess);
581 if ( strstr(line, "WPTDAT") || strstr(line, "TRKHDR") || strstr(line, "TRKDAT") ) {
583 set_current_count(sess->count, sess);
594 static void gps_upload_progress_func(BabelProgressCode c, gpointer data, GpsSession * sess )
599 gdk_threads_enter ();
600 g_mutex_lock(sess->mutex);
602 g_mutex_unlock(sess->mutex);
603 gps_session_delete(sess);
605 g_thread_exit ( NULL );
607 g_mutex_unlock(sess->mutex);
608 gdk_threads_leave ();
611 case BABEL_DIAG_OUTPUT:
612 line = (gchar *)data;
614 if (strstr(line, "PRDDAT")) {
615 gchar **tokens = g_strsplit(line, " ", 0);
620 for (i=8; tokens[i] && ilen < sizeof(info)-2 && strcmp(tokens[i], "00"); i++) {
622 sscanf(tokens[i], "%x", &ch);
626 set_gps_info(info, sess);
628 if (strstr(line, "RECORD")) {
631 sscanf(line+17, "%x", &lsb);
632 sscanf(line+20, "%x", &msb);
633 cnt = lsb + msb * 256;
634 /* set_total_count(cnt, sess); */
637 if ( strstr(line, "WPTDAT")) {
638 if (sess->count == 0) {
639 sess->progress_label = sess->wp_label;
640 set_total_count(cnt, sess);
643 set_current_count(sess->count, sess);
646 if ( strstr(line, "TRKHDR") || strstr(line, "TRKDAT") ) {
647 if (sess->count == 0) {
648 sess->progress_label = sess->trk_label;
649 set_total_count(cnt, sess);
652 set_current_count(sess->count, sess);
663 static void gps_comm_thread(GpsSession *sess)
667 if (sess->direction == GPS_DOWN)
668 result = a_babel_convert_from (sess->vtl, sess->cmd_args,
669 (BabelStatusFunc) gps_download_progress_func, sess->port, sess);
671 result = a_babel_convert_to (sess->vtl, sess->cmd_args,
672 (BabelStatusFunc) gps_upload_progress_func, sess->port, sess);
676 gtk_label_set_text ( GTK_LABEL(sess->status_label), "Error: couldn't find gpsbabel." );
679 g_mutex_lock(sess->mutex);
681 gtk_label_set_text ( GTK_LABEL(sess->status_label), "Done." );
682 gtk_dialog_set_response_sensitive ( GTK_DIALOG(sess->dialog), GTK_RESPONSE_ACCEPT, TRUE );
683 gtk_dialog_set_response_sensitive ( GTK_DIALOG(sess->dialog), GTK_RESPONSE_REJECT, FALSE );
687 g_mutex_unlock(sess->mutex);
690 g_mutex_lock(sess->mutex);
693 g_mutex_unlock(sess->mutex);
696 g_mutex_unlock(sess->mutex);
697 gps_session_delete(sess);
703 static gint gps_comm(VikTrwLayer *vtl, gps_dir dir, vik_gps_proto proto, gchar *port) {
704 GpsSession *sess = g_malloc(sizeof(GpsSession));
706 sess->mutex = g_mutex_new();
707 sess->direction = dir;
709 sess->port = g_strdup(port);
711 sess->cmd_args = g_strdup_printf("-D 9 -t -w -%c %s",
712 (dir == GPS_DOWN) ? 'i' : 'o', protocols_args[proto]);
713 sess->window_title = (dir == GPS_DOWN) ? "GPS Download" : "GPS Upload";
715 sess->dialog = gtk_dialog_new_with_buttons ( "", NULL, 0, GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, NULL );
716 gtk_dialog_set_response_sensitive ( GTK_DIALOG(sess->dialog),
717 GTK_RESPONSE_ACCEPT, FALSE );
718 gtk_window_set_title ( GTK_WINDOW(sess->dialog), sess->window_title );
720 sess->status_label = gtk_label_new ("Status: detecting gpsbabel");
721 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox),
722 sess->status_label, FALSE, FALSE, 5 );
723 gtk_widget_show_all(sess->status_label);
725 sess->gps_label = gtk_label_new ("GPS device: N/A");
726 sess->ver_label = gtk_label_new ("");
727 sess->id_label = gtk_label_new ("");
728 sess->wp_label = gtk_label_new ("");
729 sess->trk_label = gtk_label_new ("");
731 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox), sess->gps_label, FALSE, FALSE, 5 );
732 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox), sess->wp_label, FALSE, FALSE, 5 );
733 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(sess->dialog)->vbox), sess->trk_label, FALSE, FALSE, 5 );
735 gtk_widget_show_all(sess->dialog);
737 sess->progress_label = sess->wp_label;
738 sess->total_count = -1;
740 /* TODO: starting gps read/write thread here */
741 g_thread_create((GThreadFunc)gps_comm_thread, sess, FALSE, NULL );
743 gtk_dialog_run(GTK_DIALOG(sess->dialog));
745 gtk_widget_destroy(sess->dialog);
747 g_mutex_lock(sess->mutex);
749 sess->ok = FALSE; /* tell thread to stop */
750 g_mutex_unlock(sess->mutex);
753 g_mutex_unlock(sess->mutex);
754 gps_session_delete(sess);
757 // fprintf(stderr, "\"gps_comm: cmd_args=%s\" port=%s\n", sess->cmd_args, sess->port);
761 static void gps_upload_cb( gpointer layer_and_vlp[2] )
763 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
764 VikTrwLayer *vtl = vgl->trw_children[TRW_UPLOAD];
765 gps_comm(vtl, GPS_UP, vgl->protocol_id, params_ports[vgl->serial_port_id]);
768 static void gps_download_cb( gpointer layer_and_vlp[2] )
770 VikGpsLayer *vgl = (VikGpsLayer *)layer_and_vlp[0];
771 VikTrwLayer *vtl = vgl->trw_children[TRW_DOWNLOAD];
772 gps_comm(vtl, GPS_DOWN, vgl->protocol_id, params_ports[vgl->serial_port_id]);