diff options
| -rw-r--r-- | driver_tsip.c | 47 |
1 files changed, 46 insertions, 1 deletions
diff --git a/driver_tsip.c b/driver_tsip.c index 76d959c1..6d301063 100644 --- a/driver_tsip.c +++ b/driver_tsip.c @@ -837,6 +837,51 @@ static bool tsip_speed_switch(struct gps_device_t *session, return true; /* it would be nice to error-check this */ } + +static void tsip_mode(struct gps_device_t *session, int mode) +{ + unsigned char buf[16]; + + if (mode == MODE_NMEA) { + /* First turn on the NMEA messages we want */ + + putbyte(buf,0,0x00); /* subcode 0 */ + putbyte(buf,1,0x01); /* 1-second fix interval */ + putbyte(buf,2,0x00); /* Reserved */ + putbyte(buf,3,0x00); /* Reserved */ + putbyte(buf,4,0x01); /* 0=RMC, 1-7=Reserved */ + putbyte(buf,5,0x19); /* 0=GGA, 1=GGL, 2=VTG, 3=GSV, */ + /* 4=GSA, 5=ZDA, 6-7=Reserved */ + + (void)tsip_write(session, 0x7A, buf, 6); + + /* Now switch to NMEA mode */ + + memset(buf, 0, sizeof(buf)); + + putbyte(buf,0,0xff); /* current port */ + putbyte(buf,1,0x06); /* 4800 bps input */ + putbyte(buf,2,0x06); /* 4800 bps output */ + putbyte(buf,3,0x03); /* 8 data bits */ + putbyte(buf,4,0x00); /* No parity */ + putbyte(buf,5,0x00); /* 1 stop bit */ + putbyte(buf,6,0x00); /* No flow control */ + putbyte(buf,7,0x02); /* Input protocol TSIP */ + putbyte(buf,8,0x04); /* Output protocol NMEA */ + putbyte(buf,9,0x00); /* Reserved */ + + (void)tsip_write(session, 0xBC, buf, 10); + + } else if (mode == MODE_BINARY) { + /* The speed switcher also puts us back in TSIP, so call it */ + /* with the default 9600 8O1. */ + // FIXME: Should preserve the current speed. + tsip_speed_switch(session, 9600, 'O', 1); + + } else { + gpsd_report(LOG_ERROR, "unknown mode %i requested\n", mode); + } +} #endif /* ALLOW_RECONFIGURE */ /* this is everything we export */ @@ -858,7 +903,7 @@ const struct gps_type_t tsip_binary = #ifdef ALLOW_RECONFIGURE .configurator = tsip_configurator,/* initial mode sets */ .speed_switcher = tsip_speed_switch,/* change baud rate */ - .mode_switcher = NULL, /* no mode switcher */ + .mode_switcher = tsip_mode, /* there is a mode switcher */ .rate_switcher = NULL, /* no rate switcher */ .min_cycle = 1, /* not relevant, no rate switcher */ .revert = NULL, /* FIXME: revert sentence mix */ |