diff options
| author | Eric S. Raymond <esr@thyrsus.com> | 2005-07-11 22:32:44 +0000 |
|---|---|---|
| committer | Eric S. Raymond <esr@thyrsus.com> | 2005-07-11 22:32:44 +0000 |
| commit | ca10614ce81403e0f1d7d99db618ba283a93c02f (patch) | |
| tree | d50043901f90d1dcf7827cc2909e9d97e99cce1d /evermore.c | |
| parent | 20fd40963760bf9061fb6588d12e000c8e661de3 (diff) | |
| download | gpsd-ca10614ce81403e0f1d7d99db618ba283a93c02f.tar.gz | |
Initialization fix from Petr Slansky.
Diffstat (limited to 'evermore.c')
| -rw-r--r-- | evermore.c | 32 |
1 files changed, 19 insertions, 13 deletions
@@ -238,16 +238,16 @@ static bool evermore_set_mode(struct gps_device_t *session, { unsigned char tmp8; /*@ +charint @*/ - unsigned char msg[] = {0x80, - 0x00, 0x00, /* GPS week */ - 0x00, 0x00, 0x00, 0x00, /* GPS TOW */ - 0x00, 0x00, /* Latitude */ - 0x00, 0x00, /* Longitude */ - 0x00, 0x00, /* Altitude */ - 0x00, 0x00, /* Datum ID WGS84 */ - 0x01, /* hot start */ - 0x40, /* checksum + binary */ - 0, /* baud rate */ + unsigned char msg[] = {0x80, /* 0: msg ID */ + 0x00, 0x00, /* 1: GPS week */ + 0x00, 0x00, 0x00, 0x00, /* 3: GPS TOW */ + 0x00, 0x00, /* 7: Latitude */ + 0x00, 0x00, /* 9: Longitude */ + 0x00, 0x00, /* 11: Altitude */ + 0x00, 0x00, /* 13: Datum ID WGS84 */ + 0x01, /* 15: hot start */ + 0x5d, /* 16: cksum(6) + bin(7) + GGA(0) + GSA(2) + GSV(3) + RMC(4) */ + 0, /* 17: baud rate */ }; switch (speed) { case 4800: tmp8 = 0; break; @@ -259,7 +259,7 @@ static bool evermore_set_mode(struct gps_device_t *session, msg[17] = tmp8; if (mode) { gpsd_report(1, "Switching chip mode to Evermore binary.\n"); - msg[16] |= 0x40; + msg[16] |= 0x80; /* binary mode */ } return evermore_write(session->gpsdata.gps_fd, msg, sizeof(msg)); /*@ +charint @*/ @@ -287,6 +287,12 @@ static void evermore_initializer(struct gps_device_t *session) (void)evermore_set_mode(session, session->gpsdata.baudrate, true); } +static void evermore_close(struct gps_device_t *session) +/* set GPS to NMEA, 4800, GGA, GSA, GSV, RMC (default) */ +{ + (void)evermore_set_mode(session, 4800, false); +} + /* this is everything we export */ struct gps_type_t evermore_binary = { @@ -296,12 +302,12 @@ struct gps_type_t evermore_binary = evermore_initializer, /* initialize the device */ packet_get, /* how to grab a packet */ evermore_parse_input, /* read and parse message packets */ - pass_rtcm, /* send RTCM data straight */ + pass_rtcm, /* send RTCM data straight */ evermore_speed, /* we can change baud rates */ evermore_mode, /* there is a mode switcher */ NULL, /* no sample-rate switcher */ -1, /* not relevant, no rate switch */ - NULL, /* caller needs to supply a close hook */ + evermore_close, /* caller needs to supply a close hook */ 1, /* updates every second */ }; #endif /* defined(EVERMORE_ENABLE) && defined(BINARY_ENABLE) */ |