--- /dev/null
+.\"
+.\" Copyright © 2013 Keith Packard <keithp@keithp.com>
+.\"
+.\" 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 02111-1307 USA.
+.\"
+.\"
+.TH AO-EDIT-TELEM 1 "ao-edit-telem" ""
+.SH NAME
+ao-edit-telem \- Edit telemetry file, creating new telemetry stream
+.SH SYNOPSIS
+.B "ao-edit-telem"
+[\--lat=<pad-lat>]
+[\--lon=<pad-lon>]
+{flight.telem}
+.SH DESCRIPTION
+.I ao-edit-telem
+reads the specified telemetry log and produces a new telemetry log,
+changed as directed by the options provided.
+output.
+.SH AUTHOR
+Keith Packard
--- /dev/null
+/*
+ * Copyright © 2013 Keith Packard <keithp@keithp.com>
+ *
+ * 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; version 2 of the License.
+ *
+ * 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 02111-1307 USA.
+ */
+
+#define _GNU_SOURCE
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <getopt.h>
+#include "cc.h"
+
+static const struct option options[] = {
+ { .name = "lat", .has_arg = 1, .val = 'L' },
+ { .name = "lon", .has_arg = 1, .val = 'l' },
+ { 0, 0, 0, 0},
+};
+
+static void usage(char *program)
+{
+ fprintf(stderr, "usage: %s [--lat <pad-lat>] [--lon <pad-lon>]\n"
+ "\t{flight-log} ...\n", program);
+ exit(1);
+}
+
+#define bool(b) ((b) ? "true" : "false")
+
+struct telem_ent {
+ struct telem_ent *next;
+ union ao_telemetry_all telem;
+};
+
+static struct telem_ent *pad, **last = &pad;
+
+static void
+save_telem(union ao_telemetry_all *telem)
+{
+ struct telem_ent *t = malloc (sizeof *t);
+ t->telem = *telem;
+ t->next = NULL;
+ *last = t;
+ last = &t->next;
+}
+
+static void
+dump_telem(union ao_telemetry_all *telem)
+{
+ char s[CC_TELEMETRY_BUFSIZE];
+
+ cc_telemetry_unparse(telem, s);
+ printf("%s\n", s);
+}
+
+double pad_lat = 0, pad_lon = 0;
+double target_pad_lat = 0, target_pad_lon = 0;
+double lat_off = 0, lon_off = 0;
+int pending = 1;
+
+static void
+dump_saved(void);
+
+void
+doit(union ao_telemetry_all *telem)
+{
+ double lat, lon;
+
+ switch (telem->generic.type) {
+ case AO_TELEMETRY_SENSOR_TELEMETRUM:
+ case AO_TELEMETRY_SENSOR_TELEMINI:
+ case AO_TELEMETRY_SENSOR_TELENANO:
+ if (telem->sensor.state > ao_flight_pad && pad) {
+ pending = 0;
+ if (target_pad_lat)
+ lat_off = target_pad_lat - pad_lat;
+ if (target_pad_lon)
+ lon_off = target_pad_lon - pad_lon;
+ dump_saved();
+ }
+ break;
+ case AO_TELEMETRY_LOCATION: {
+ lat = telem->location.latitude / 1.0e7;
+ lon = telem->location.longitude / 1.0e7;
+ if (pending) {
+ if (telem->location.flags & (1 << 4)) {
+ if (pad_lat) {
+ pad_lat = pad_lat - pad_lat / 32 + lat / 32.0;
+ pad_lon = pad_lon - pad_lon / 32 + lon / 32.0;
+ } else {
+ pad_lat = lat;
+ pad_lon = lon;
+ }
+ }
+ } else {
+ lat += lat_off;
+ lon += lon_off;
+ if (lat > 90)
+ lat = 90;
+ if (lat < -90)
+ lat = -90;
+ while (lon > 180)
+ lon -= 360;
+ while (lon < -180)
+ lon += 360;
+ telem->location.latitude = lat * 1.0e7;
+ telem->location.longitude = lon * 1.0e7;
+ }
+ break;
+ }
+ }
+}
+
+static void
+dump_saved(void)
+{
+ struct telem_ent *t, *n;
+
+ for (t = pad; t; t = n) {
+ n = t->next;
+ doit(&t->telem);
+ dump_telem(&t->telem);
+ free(t);
+ }
+ pad = NULL;
+ last = &pad;
+}
+
+int
+main (int argc, char **argv)
+{
+ char line[80];
+ int c, i, ret;
+ char *s;
+ FILE *file;
+ int serial;
+ while ((c = getopt_long(argc, argv, "l:L:", options, NULL)) != -1) {
+ switch (c) {
+ case 'L':
+ target_pad_lat = strtod(optarg, NULL);
+ break;
+ case 'l':
+ target_pad_lon = strtod(optarg, NULL);
+ break;
+ default:
+ usage(argv[0]);
+ break;
+ }
+ }
+ for (i = optind; i < argc; i++) {
+ file = fopen(argv[i], "r");
+ if (!file) {
+ perror(argv[i]);
+ ret++;
+ continue;
+ }
+ s = strstr(argv[i], "-serial-");
+ if (s)
+ serial = atoi(s + 8);
+ else
+ serial = 0;
+ while (fgets(line, sizeof (line), file)) {
+ union ao_telemetry_all telem;
+
+ if (cc_telemetry_parse(line, &telem)) {
+ if ((telem.generic.status & (1 << 7)) == 0) {
+ dump_telem(&telem);
+ continue;
+ }
+ doit (&telem);
+ if (pending)
+ save_telem(&telem);
+ else
+ dump_telem(&telem);
+ }
+ }
+ fclose (file);
+
+ }
+ return ret;
+}