static VALUE
float_to_r(VALUE self)
{
VALUE a = float_decode(self);
return f_mul(RARRAY_AT(a, 0),
f_expt(INT2FIX(FLT_RADIX), RARRAY_AT(a, 1)));
}
void read_track_points(struct ftdi_context *ftdi, track* trk, int idx)
{
int i;
char fmt[64];
char name[64];
int num;
int sz = 32 * trk->npoints + 2;
unsigned char *buf = (unsigned char*)malloc(sz);
point *points = (point*) malloc(sizeof(point) * trk->npoints);
begin(ftdi);
for (i = 0; i < 14; ++i) {
printf("%02X ", trk->finger_print[i]);
}
printf("\n");
buf[0] = 'T';
buf[1] = 'X';
memcpy(&buf[2], trk->finger_print, 14);
send_command(ftdi, buf, 16, buf, sz, &num, 32);
float minLatitude = FLT_MAX;
float maxLatitude = - FLT_MAX;
float minLongitude = FLT_MAX;
float maxLongitude = - FLT_MAX;
printf("num=%d\n", num);
for (i = 0; i < trk->npoints; ++i) {
int b = 32 * i + 2;
point *pt = &points[i];
pt->time_stamp.tm_year = buf[b ] + 100;
pt->time_stamp.tm_mon = buf[b + 1] - 1;
pt->time_stamp.tm_mday = buf[b + 2];
pt->time_stamp.tm_hour = buf[b + 3];
pt->time_stamp.tm_min = buf[b + 4];
pt->time_stamp.tm_sec = buf[b + 5];
pt->latitude = float_decode(&buf[b + 7]);
pt->longitude = float_decode(&buf[b + 11]);
pt->speed = float_decode(&buf[b + 15]);
pt->heading = float_decode(&buf[b + 19]);
minLatitude = fmin(minLatitude, pt->latitude);
maxLatitude = fmax(maxLatitude, pt->latitude);
minLongitude = fmin(minLongitude, pt->longitude);
maxLongitude = fmax(maxLongitude, pt->longitude);
}
free(buf);
end(ftdi);
time_t t = timegm(&trk->start);
strftime(name, 64, "%y%m%d_%H%M%S.vcc", localtime(&t));
FILE *fp = fopen(name, "w+");
name[0] = 0xEF;
name[1] = 0xBB;
name[2] = 0xBF;
fwrite(name, 3, 1, fp);
strftime(name, 64, "%y%m%d_%H%M%S", localtime(&t));
t = time(NULL);
strftime(fmt, 64, "%FT%T.0000000%z", localtime(&t));
fprintf(fp, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\r\n");
fprintf(fp, "<VelocitekControlCenter"
" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\""
" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\""
" createdOn=\"%s\""
" xmlns=\"http://www.velocitekspeed.com/VelocitekControlCenter\">\r\n",
fmt);
fprintf(fp, " <CapturedTrack name=\"%s\" downloadedOn=\"%s\" numberTrkpts=\"%d\">\r\n", name, fmt, trk->npoints);
fprintf(fp, " <MinLatitude>%.15f</MinLatitude>\r\n", minLatitude);
fprintf(fp, " <MaxLatitude>%.15f</MaxLatitude>\r\n", maxLatitude);
fprintf(fp, " <MinLongitude>%.15f</MinLongitude>\r\n", minLongitude);
fprintf(fp, " <MaxLongitude>%.15f</MaxLongitude>\r\n", maxLongitude);
fprintf(fp, " <DeviceInfo ftdiSerialNumber=\"%s\" />\r\n", "VP005594");
fprintf(fp, " <Trackpoints>\r\n");
for (i = 0; i < trk->npoints; ++i) {
point *pt = &points[i];
t = timegm(&pt->time_stamp);
strftime(fmt, 64, "%FT%T%z", localtime(&t));
fprintf(fp, " <Trackpoint dateTime=\"%s\" heading=\"%.2f\" speed=\"%.3f\""
" latitude=\"%.15f\" longitude=\"%.15f\" />\r\n",
fmt, pt->heading, pt->speed, pt->latitude, pt->longitude);
}
fprintf(fp, " </Trackpoints>\r\n");
fprintf(fp, " </CapturedTrack>\r\n");
fprintf(fp, "</VelocitekControlCenter>\r\n");
fclose(fp);
}