gps.c: Add error message in case of parser problems
diff --git a/gps.c b/gps.c
index c235748..f259193 100644
--- a/gps.c
+++ b/gps.c
@@ -20,6 +20,8 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#include <stdio.h>
+
#include "gps.h"
@@ -90,8 +92,10 @@
eph->aodo = GET_FIELD_U(sf2[7], 5, 2);
/* Check & cross-validate iodc[7:0], iode1, iode2 */
- if ((iode1 != iode2) || (iode1 != (eph->iodc & 0xff)))
+ if ((iode1 != iode2) || (iode1 != (eph->iodc & 0xff))) {
+ fprintf(stderr, "gps_unpack_sf123 failed\n");
return -1;
+ }
return 0;
}
@@ -106,6 +110,7 @@
int
gps_unpack_sf45_almanac(uint32_t *sf, struct gps_almanac_sv *alm)
{
+ /* this is the page ID but not the satellite ID, its wrong in subframe 5 */
alm->sv_id = GET_FIELD_U(sf[0], 6, 16);
alm->e = GET_FIELD_U(sf[0], 16, 0);