--- /dev/null
+/*
+ Magellan ".gs" files as they appear on USB of Explorist 400,500,600.
+
+ Copyright (C) 2005, robertlipe@usa.net
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ 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., 59 Temple Place - Suite 330, Boston, MA 02111 USA
+
+ */
+
+#include <ctype.h>
+#include "defs.h"
+#include "xmlgeneric.h"
+#include "magellan.h"
+
+#define MYNAME "maggeo"
+
+static FILE *maggeofile_in;
+static FILE *maggeofile_out;
+static void *desc_handle = NULL;
+
+static void
+maggeo_writemsg(const char * const buf)
+{
+ unsigned int osum = mag_checksum(buf);
+ fprintf(maggeofile_out, "$%s*%02X\r\n",buf, osum);
+}
+
+static void
+maggeo_rd_init(const char *fname)
+{
+ maggeofile_in = xfopen(fname, "rb", MYNAME);
+}
+
+static void
+maggeo_rd_deinit(void)
+{
+ fclose(maggeofile_in);
+}
+
+static void
+maggeo_wr_init(const char *fname)
+{
+ maggeofile_out = xfopen(fname, "wb", MYNAME);
+ desc_handle = mkshort_new_handle();
+ setshort_length(desc_handle, 20);
+ setshort_badchars(desc_handle, "\"$,");
+}
+
+static void
+maggeo_wr_deinit(void)
+{
+ maggeo_writemsg("PMGNCMD,END");
+ fclose(maggeofile_out);
+}
+
+static void
+maggeo_read(void)
+{
+ fatal("Not implemented yet.");
+}
+
+/*
+ * Note: returns allocated buffer that must be freed by caller.
+ */
+static
+char *
+maggeo_fmtdate(time_t t)
+{
+ #define SZ 16
+
+ char *cbuf = xmalloc(SZ);
+ struct tm *tm = NULL;
+ int date;
+
+ tm = gmtime(&t);
+ if ( tm ) {
+ date = tm->tm_mday * 100000 + (1+tm->tm_mon) * 1000 +
+ tm->tm_year;
+ snprintf(cbuf, SZ, "%07d", date);
+ } else {
+ cbuf[0] = '\0';
+ }
+ return cbuf;
+}
+
+/*
+ * Append an optional UTF string to buf, prepending a comma,
+ * cleansing it of NMEA-isms and decomposing to ASCII as we go.
+ */
+static
+append(char *buf, const char *str)
+{
+ char *cleansed1, *cleansed2;
+
+ strcat(buf, ",");
+
+ if (!str) {
+ return;
+ }
+
+ cleansed1 = str_utf8_to_ascii(str);
+ cleansed2 = m330_cleanse(cleansed1);
+
+ strcat(buf, cleansed2);
+
+ xfree(cleansed1);
+ xfree(cleansed2);
+
+}
+
+static void
+maggeo_waypt_pr(const waypoint *waypointp)
+{
+ char obuf[4096];
+ char dtbuf[10];
+ double ilon, ilat;
+ double lon, lat;
+ int lon_deg, lat_deg;
+ char *shortname;
+ char *cname = NULL;
+ char *ctype = NULL;
+ char *placer = NULL;
+ char *lfounddate = NULL;
+ char *placeddate = NULL;
+
+ ilat = waypointp->latitude;
+ ilon = waypointp->longitude;
+ shortname = waypointp->shortname;
+
+ lon = fabs(ilon);
+ lat = fabs(ilat);
+
+ lon_deg = lon;
+ lat_deg = lat;
+
+ lon = (lon - lon_deg) * 60.0;
+ lat = (lat - lat_deg) * 60.0;
+
+ lon = (lon_deg * 100.0 + lon);
+ lat = (lat_deg * 100.0 + lat);
+
+ ctype = gs_get_cachetype(waypointp->gc_data.type);
+ placeddate = maggeo_fmtdate(waypointp->creation_time);
+ lfounddate = maggeo_fmtdate(waypointp->gc_data.last_found);
+ cname = mkshort(desc_handle, waypointp->notes);
+ placer = waypointp->gc_data.placer;
+
+ /*
+ * As of this writing on 05/04, the firmware in the units will
+ * let you write fields of just about any width, but appears to
+ * only use the following:
+ * shortname - 8 chars
+ * cname - 20 chars (scrolls in some places, not others)
+ * placer - display limited by width
+ * hint - 50 chars
+ * cache type - appears to be parsed by f/w for icon matching.
+ *
+ *
+ */
+ snprintf(obuf, sizeof(obuf),
+ "PMGNGEO,%4.3f,%c,%09.3f,%c,%04.0f,F",
+ lat, ilat < 0 ? 'S' : 'N',
+ lon, ilon < 0 ? 'W' : 'E',
+ waypointp->altitude == unknown_alt ?
+ 0 : waypointp->altitude);
+ append(obuf, shortname);
+ append(obuf, cname);
+ append(obuf, placer);
+ append(obuf, waypointp->gc_data.hint);
+ append(obuf, ctype);
+ append(obuf, placeddate);
+ append(obuf, lfounddate);
+
+ if (waypointp->gc_data.diff/10.0)
+ sprintf(obuf + strlen(obuf), ",%3.1f",
+ waypointp->gc_data.diff/10.0);
+ else
+ strcat(obuf, ",");
+
+ if (waypointp->gc_data.terr/10.0)
+ sprintf(obuf + strlen(obuf), ",%3.1f",
+ waypointp->gc_data.terr/10.0);
+ else
+ strcat(obuf, ",");
+
+ if (lfounddate) xfree(lfounddate);
+ if (placeddate) xfree(placeddate);
+
+ maggeo_writemsg(obuf);
+
+}
+
+static void
+maggeo_write(void)
+{
+ waypt_disp_all(maggeo_waypt_pr);
+}
+
+static
+char *
+strconsume(char *instr, int *eaten)
+{
+ const char *origstr = instr;
+ char *s = instr;
+ char *e = instr;
+ int ct;
+
+ while (e && *e && *e != ',')
+ *e++;
+
+ *eaten = e - s;
+
+ return (xstrndup(instr, e-s));
+
+}
+
+
+ff_vecs_t maggeo_vecs = {
+ ff_type_file,
+ FF_CAP_RW_WPT,
+ maggeo_rd_init,
+ maggeo_wr_init,
+ maggeo_rd_deinit,
+ maggeo_wr_deinit,
+ maggeo_read,
+ maggeo_write,
+};
projects / gpsbabel.git / commitdiff