static void
humminbird_read(void)
{
while(! gbfeof(fin)) {
gbuint32 signature;
signature = gbfgetuint32(fin);
switch(signature) {
case WPT_MAGIC:
humminbird_read_wpt(fin);
break;
case RTE_MAGIC:
humminbird_read_route(fin);
break;
case TRK_MAGIC:
humminbird_read_track(fin);
return; /* Don't continue. The rest of the file is all zeores */
case TRK_MAGIC2:
humminbird_read_track_old(fin);
return; /* Don't continue. The rest of the file is all zeores */
default:
fatal(MYNAME ": Invalid record header \"0x%08X\" (no or unknown humminbird file)!\n", signature);
}
}
}
static void
nav_read(void)
{
int len;
char buf[MY_CBUF];
while ((len = gbfread(buf, 1, sizeof(buf), fin))) {
if (!XML_Parse(psr, buf, len, gbfeof(fin))) {
fatal(MYNAME ":Parse error at %d: %s\n",
(int) XML_GetCurrentLineNumber(psr),
XML_ErrorString(XML_GetErrorCode(psr)));
}
}
XML_ParserFree(psr);
}
static void
mmo_read(void)
{
#ifdef MMO_DBG
const char *sobj = "main";
#endif
gbfile *fx;
int i;
/* copy file to memory stream (needed for seek-ops and piped commands) */
DBG(("main", "loading file \"%s\".\n", fin->name));
fx = gbfopen(NULL, "wb", MYNAME);
gbfcopyfrom(fx, fin, 0x7FFFFFFF);
gbfrewind(fx);
gbfclose(fin);
fin = fx;
mmo_obj_ct = gbfgetuint16(fin);
DBG((sobj, "number of objects = %d\n", mmo_obj_ct));
i = gbfgetuint16(fin);
if (i != 0xFFFF) fatal(MYNAME ": Marker not equel to 0xFFFF!\n");
mmo_version = gbfgetuint16(fin);
DBG((sobj, "version = 0x%02X\n", mmo_version));
mmo_filemark = 0xFFFF0000UL | be_read16(&mmo_version);
DBG((sobj, "filemark = 0x%08X\n", mmo_filemark));
gbfseek(fin, -4, SEEK_CUR);
while (! gbfeof(fin)) { /* main read loop */
(void) mmo_read_object(NULL);
}
#ifdef MMO_DBG
printf("\n" MYNAME ":---------------------------------------\n");
printf(MYNAME ": EOF reached, nice!!!\n");
printf(MYNAME ": =======================================\n\n");
#endif
}
/*
* Main Function to process Saved tracks file
*/
static void
format_garmin_xt_proc_strk(void)
{
int Count = 0; // Used to obtain number of read bytes
int NumberOfTracks = 0, TracksCompleted = 0; // Number of tracks in the file and number of processed tracks
gbuint16 trackbytes = 0; // Bytes in track
gbuint8 TrackBlock[STRK_BLOCK_SIZE]; // File Block
gbuint8 ii; // temp variable
double Lat = 0, Lon = 0; // wpt data
double PrevLat = 0, PrevLon = 0, PrevEle = 0; // wpt data
gbuint32 Time = 0, PrevTime =0; // wpt data
int FirstCoo;
gbuint8 trk_color = 0xff;
// Skip 12 bytes from the BOF
gbfseek(fin, 12, SEEK_SET);
// read # of tracks
NumberOfTracks = gbfgetuint16(fin);
// Skip 2 bytes
gbfseek(fin, 2, SEEK_CUR);
// Process all tracks one by one
while ((TracksCompleted < NumberOfTracks) && (!gbfeof( fin ) ) )
{
route_head *tmp_track;
waypoint *wpt;
char *trk_name;
trk_name = xmalloc(30);
// Generate Track Header
trackbytes = format_garmin_xt_rd_st_attrs(trk_name, &trk_color) - 50;
tmp_track = route_head_alloc();
// update track color
tmp_track->line_color.bbggrr = colors[trk_color];
tmp_track->line_color.opacity = 255;
// update track name
tmp_track->rte_name = trk_name;
track_add_head(tmp_track);
// This is the 1st coordinate of the track
FirstCoo = TRUE;
while (trackbytes>0)
{
if (trackbytes>=STRK_BLOCK_SIZE)
{
Count = gbfread(&TrackBlock, DATABLOCKSIZE, STRK_BLOCK_SIZE, fin);
trackbytes -= STRK_BLOCK_SIZE;
}
else
{
Count = gbfread(&TrackBlock, DATABLOCKSIZE, trackbytes, fin);
trackbytes = 0;
}
// decrypt loaded track block (Count - size of loaded TrackBlock)
format_garmin_xt_decrypt_trk_blk(Count, TrackBlock);
// process each track point in the loaded TrackBlock
for (ii=1; ii <= ((Count-1) / 12); ii++)
{
// decompose loaded track block part (track point)
format_garmin_xt_decomp_trk_blk(ii, TrackBlock, &PrevEle, &Lat, &Lon, &Time);
// Add point to the track if not the first point
if (!FirstCoo)
{
//create new waypoint
wpt = waypt_new();
//populate wpt;
wpt->latitude = PrevLat; /* Degrees */
wpt->longitude = PrevLon; /* Degrees */
wpt->altitude = PrevEle; /* Meters. */
wpt->creation_time = Time; /* Unix Time adjusted to Garmin time */
// add way point to the track
track_add_wpt(tmp_track, wpt);
}
else
{
FirstCoo = FALSE;
}
PrevLat = Lat;
PrevLon = Lon;
PrevTime = Time;
}
}
// decompose elevation for the last point
if (Count > 12)
{
Count--;
}
format_garmin_xt_decomp_last_ele(Count, &PrevEle, TrackBlock);
//create new waypoint
wpt = waypt_new();
//populate wpt;
wpt->latitude = PrevLat; /* Degrees */
wpt->longitude = PrevLon; /* Degrees */
wpt->altitude = PrevEle; /* Meters. */
wpt->creation_time = Time; /* Unix Time adjusted to Garmin time */
// add way point to the track
track_add_wpt(tmp_track, wpt);
// update completed tracks counter
TracksCompleted++;
}
}
