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| author | Eric S. Raymond <esr@thyrsus.com> | 2009-03-05 22:12:18 +0000 |
|---|---|---|
| committer | Eric S. Raymond <esr@thyrsus.com> | 2009-03-05 22:12:18 +0000 |
| commit | 15b2d3d206002593d7ac3aded129de5013a8866d (patch) | |
| tree | f36c9fb4847658a00cd2f8c79a0a810d380e5ece /driver_evermore.c | |
| parent | 82d2d72e22f84cf5ed8f7f42872d875fcf95fd18 (diff) | |
| download | gpsd-15b2d3d206002593d7ac3aded129de5013a8866d.tar.gz | |
EverMore gets a rate-switcher method.
Diffstat (limited to 'driver_evermore.c')
| -rw-r--r-- | driver_evermore.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/driver_evermore.c b/driver_evermore.c index 21fc19ba..67b5f2d3 100644 --- a/driver_evermore.c +++ b/driver_evermore.c @@ -485,6 +485,30 @@ static void evermore_configurator(struct gps_device_t *session, unsigned int seq #endif /* ALLOW_RECONFIGURE */ +static bool evermore_rate_switcher(struct gps_device_t *session, double rate) +/* change the sample rate of the GPS */ +{ +#ifdef ALLOW_RECONFIGURE + char evrm_rate_config[] = { + 0x84, /* 1: msg ID, Operating Mode Configuration */ + 0x02, /* 2: normal mode with 1PPS */ + 0x00, /* 3: navigation update rate */ + 0x00, /* 4: RF/GPSBBP On Time */ + }; + + if (rate < 1 || rate > 10) { + gpsd_report(LOG_ERROR, "valid rate range is 1-10.\n"); + return false; + } else { + evrm_rate_config[2] = (char)trunc(rate); + return (evermore_control_send(session, evrm_rate_config, sizeof(evrm_rate_config)) != -1); + } +#else + + return false; +#endif /* ALLOW_RECONFIGURE */ +} + static void evermore_wrap(struct gps_device_t *session) { gpsd_report(LOG_PROG, "evermore_wrap\n"); @@ -511,7 +535,7 @@ const struct gps_type_t evermore_binary = .rtcm_writer = pass_rtcm, /* send RTCM data straight */ .speed_switcher = evermore_speed, /* we can change baud rates */ .mode_switcher = evermore_mode, /* there is a mode switcher */ - .rate_switcher = NULL, /* no sample-rate switcher */ + .rate_switcher = evermore_rate_switcher, /* change sample rate */ .cycle_chars = -1, /* ignore, no rate switch */ #ifdef ALLOW_RECONFIGURE .revert = NULL, /* reversion code */ |