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| author | Eric S. Raymond <esr@thyrsus.com> | 2014-05-20 05:17:09 -0400 |
|---|---|---|
| committer | Eric S. Raymond <esr@thyrsus.com> | 2014-05-20 05:17:09 -0400 |
| commit | 5b511d159c61adea1245b61704f751a3e6aa3006 (patch) | |
| tree | 0b55bde4119b0fe191983222f893ef3a416e2d34 /packet.c | |
| parent | 4f35e720288bb67e918c065cebcb177b088e0e4f (diff) | |
| download | gpsd-5b511d159c61adea1245b61704f751a3e6aa3006.tar.gz | |
Support for some unusual NMEA 4.0 AIS talker IDs.
Diffstat (limited to 'packet.c')
| -rw-r--r-- | packet.c | 27 |
1 files changed, 23 insertions, 4 deletions
@@ -102,11 +102,16 @@ PERMISSIONS * $SD -- Depth Sounder * $P -- Vendor-specific sentence * - * !AI -- Mobile AIS station - * !BS -- Base AIS station (deprecated in NMEA 4.0) * !AB -- NMEA 4.0 Base AIS station - * !AN -- NMEA 4.0 Buoy AIS station + * !AD -- MMEA 4.0 Dependent AIS Base Station + * !AI -- Mobile AIS station + * !AN -- NMEA 4.0 Aid to Navigation AIS station + * !AR -- NMEA 4.0 AIS Receiving Station * !AX -- NMEA 4.0 Repeater AIS station + * !AS -- NMEA 4.0 Limited Base Station + * !AT -- NMEA 4.0 AIS Transmitting Station + * !BS -- Base AIS station (deprecated in NMEA 4.0) + * !SA -- NMEA 4.0 Physical Shore AIS Station */ enum @@ -420,11 +425,13 @@ static void nextstate(struct gps_packet_t *lexer, unsigned char c) lexer->state = AIS_LEAD_1; else if (c == 'B') lexer->state = AIS_LEAD_ALT1; + else if (c == 'S') + lexer->state = AIS_LEAD_ALT3; else lexer->state = GROUND_STATE; break; case AIS_LEAD_1: - if (c == 'I' || c == 'B' || c == 'N' || c == 'X') + if (strchr("BDINRSTX", c) != NULL) lexer->state = AIS_LEAD_2; else lexer->state = GROUND_STATE; @@ -447,6 +454,18 @@ static void nextstate(struct gps_packet_t *lexer, unsigned char c) else lexer->state = GROUND_STATE; break; + case AIS_LEAD_ALT3: + if (c == 'A') + lexer->state = AIS_LEAD_ALT4; + else + lexer->state = GROUND_STATE; + break; + case AIS_LEAD_ALT4: + if (isalpha(c)) + lexer->state = NMEA_LEADER_END; + else + lexer->state = GROUND_STATE; + break; #if defined(TNT_ENABLE) || defined(GARMINTXT_ENABLE) || defined(ONCORE_ENABLE) case AT1_LEADER: switch (c) { |