ubx-parse.c: Add more debugging code, and make it optional
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4db6eb8841
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61
ubx-parse.c
61
ubx-parse.c
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@ -27,6 +27,19 @@
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#include "ubx.h"
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#include "ubx-parse.h"
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#define DEBUG 1
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#if DEBUG
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#define printd(x, args ...) printf(x, ## args)
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#else
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#define printd(x, args ...)
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#endif
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#define DEBUG1 0
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#if DEBUG1
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#define printd1(x, args ...) printf(x, ## args)
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#else
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#define printd1(x, args ...)
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#endif
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/* Helpers */
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@ -67,13 +80,18 @@ _ubx_msg_parse_nav_posllh(struct ubx_hdr *hdr, void *pl, int pl_len, void *ud)
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struct ubx_nav_posllh *nav_posllh = pl;
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struct gps_assist_data *gps = ud;
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//printf("[.] NAV_POSLLH\n");
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printd("[.] NAV_POSLLH\n");
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gps->fields |= GPS_FIELD_REFPOS;
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gps->ref_pos.latitude = (double)(nav_posllh->lat) * 1e-7;
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gps->ref_pos.longitude = (double)(nav_posllh->lon) * 1e-7;
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gps->ref_pos.altitude = (double)(nav_posllh->height) * 1e-3;
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printd(" TOW %lu\n", nav_posllh->itow);
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printd(" latitude %f\n", gps->ref_pos.latitude);
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printd(" longitude %f\n", gps->ref_pos.longitude);
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printd(" altitude %f\n", gps->ref_pos.altitude);
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}
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static void
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@ -82,13 +100,21 @@ _ubx_msg_parse_aid_ini(struct ubx_hdr *hdr, void *pl, int pl_len, void *ud)
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struct ubx_aid_ini *aid_ini = pl;
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struct gps_assist_data *gps = ud;
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//printf("[.] AID_INI\n");
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printd("[.] AID_INI\n");
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/* Extract info for "Reference Time" */
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gps->fields |= GPS_FIELD_REFTIME;
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gps->ref_time.wn = aid_ini->wn;
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gps->ref_time.tow = (double)aid_ini->tow * 1e-3;
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gps->ref_time.when = time(NULL);
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printd(" WN %d\n", gps->ref_time.wn);
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printd(" TOW %ld\n", aid_ini->tow);
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if((aid_ini->flags & 0x03) != 0x03) { /* time and pos valid ? */
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fprintf(stderr, "Postion and/or time not valid (0x%lx)", aid_ini->flags);
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}
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// FIXME: We could extract ref position as well but we need it in
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// WGS84 geodetic coordinates and it's provided as ecef, so
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@ -101,11 +127,13 @@ _ubx_msg_parse_aid_hui(struct ubx_hdr *hdr, void *pl, int pl_len, void *ud)
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struct ubx_aid_hui *aid_hui = pl;
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struct gps_assist_data *gps = ud;
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//printf("[.] AID_HUI\n");
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printd("[.] AID_HUI\n");
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if (aid_hui->flags & 0x2) { /* UTC parameters valid */
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struct gps_utc_model *utc = &gps->utc;
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printd(" UTC\n");
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gps->fields |= GPS_FIELD_UTC;
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utc->a0 = double_to_fixedpoint(aid_hui->utc_a0, -30);
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@ -121,6 +149,8 @@ _ubx_msg_parse_aid_hui(struct ubx_hdr *hdr, void *pl, int pl_len, void *ud)
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if (aid_hui->flags & 0x04) { /* Klobuchar parameters valid */
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struct gps_ionosphere_model *iono = &gps->ionosphere;
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printd(" IONOSPHERE\n");
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gps->fields |= GPS_FIELD_IONOSPHERE;
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iono->alpha_0 = float_to_fixedpoint(aid_hui->klob_a0, -30);
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@ -140,12 +170,23 @@ _ubx_msg_parse_aid_alm(struct ubx_hdr *hdr, void *pl, int pl_len, void *ud)
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struct ubx_aid_alm *aid_alm = pl;
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struct gps_assist_data *gps = ud;
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//printf("[.] AID_ALM %d - %d\n", aid_alm->sv_id, aid_alm->gps_week);
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if(pl_len == 8) /* length if not available */
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return;
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if(pl_len != sizeof(struct ubx_aid_alm)) {
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fprintf(stderr, "pl_len != sizeof(struct ubx_aid_alm) (%d)\n", pl_len);
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return;
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}
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printd("[.] AID_ALM %2ld - %ld (nsv = %d)\n", aid_alm->sv_id, aid_alm->gps_week, gps->almanac.n_sv);
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if (aid_alm->gps_week) {
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int i = gps->almanac.n_sv++;
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gps->fields |= GPS_FIELD_ALMANAC;
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gps->almanac.wna = aid_alm->gps_week & 0xff;
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gps_unpack_sf45_almanac(aid_alm->alm_words, &gps->almanac.svs[gps->almanac.n_sv++]);
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gps_unpack_sf45_almanac(aid_alm->alm_words, &gps->almanac.svs[i]);
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/* set satellite ID this way, otherwise it will be wrong */
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gps->almanac.svs[i].sv_id = aid_alm->sv_id;
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}
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}
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@ -155,7 +196,15 @@ _ubx_msg_parse_aid_eph(struct ubx_hdr *hdr, void *pl, int pl_len, void *ud)
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struct ubx_aid_eph *aid_eph = pl;
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struct gps_assist_data *gps = ud;
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//printf("[.] AID_EPH %d - %s\n", aid_eph->sv_id, aid_eph->present ? "present" : "not present");
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if(pl_len == 8) /* length if not available */
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return;
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if(pl_len != sizeof(struct ubx_aid_eph)) {
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fprintf(stderr, "pl_len != sizeof(struct ubx_aid_eph) (%d)\n", pl_len);
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return;
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}
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printd("[.] AID_EPH %2ld - %s (nsv = %d)\n", aid_eph->sv_id, aid_eph->present ? "present" : "", gps->ephemeris.n_sv);
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if (aid_eph->present) {
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int i = gps->ephemeris.n_sv++;
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