gps.h: Add gnssId defines

Not used yet.  No functional changes.

1 files changed, 11 insertions, 0 deletions

diff --git a/gps.h b/gps.h
index 6e092153..ae75d71f 100644
--- a/gps.h
+++ b/gps.h
@@ -1832,6 +1832,17 @@ struct ais_t
     };
 };
 
+/* defines for u-blox gnssId, as used in satellite_t */
+#define GNSSID_GPS 0
+#define GNSSID_SBAS 1
+#define GNSSID_GAL 2
+#define GNSSID_BD 3
+#define GNSSID_IMES 4
+#define GNSSID_QZSS 5
+#define GNSSID_GLO 6
+#define GNSSID_IRNSS 7            /* Not defined by u-blox */
+#define GNSSID_CNT 8              /* count for array size */
+
 /* basic data, per PRN, from GPGSA and GPGSV, or GPS binary messages */
 /* FIXME: u-blox 9 no longer uses PRN */
 struct satellite_t {