static void evermore_event_hook(struct gps_device_t *session, event_t event)
{
/*
* FIX-ME: It might not be necessary to call this on reactivate.
* Experiment to see if the holds its settings through a close.
*/
if (event == event_identified || event == event_reactivate) {
if (session->packet.type == NMEA_PACKET) {
(void)evermore_nmea_config(session, 1); /* configure NMEA messages for gpsd (GPGSV every 5s) */
}
(void)evermore_mode(session, 1); /* switch GPS to binary mode */
session->back_to_nmea = true;
} else if (event == event_deactivate) {
(void)evermore_nmea_config(session, 0); /* configure NMEA messages to default */
}
}
static void evermore_configurator(struct gps_device_t *session, unsigned int seq)
{
gpsd_report(LOG_PROG, "evermore_configurator(%d)\n", seq);
(void) evermore_nmea_config(session, 1); /* configure NMEA messages for gpsd (GPGSV every 5s) */
if (seq == 0) {
if (session->packet.type == NMEA_PACKET) {
gpsd_report(LOG_WARN, "NMEA_PACKET packet\n");
}
(void) evermore_mode(session, 1); /* switch GPS to binary mode */
session->back_to_nmea = true;
}
}
static void evermore_mode(struct gps_device_t *session, int mode)
{
gpsd_report(LOG_PROG, "evermore_mode(%d), %d\n", mode, session->back_to_nmea ? 1 : 0);
if (mode == 0) {
/* NMEA */
(void) evermore_protocol(session, 1);
session->gpsdata.driver_mode = 0;
(void) evermore_nmea_config(session, 1); /* configure NMEA messages for gpsd */
} else {
/* binary */
(void) evermore_protocol(session, 0);
session->back_to_nmea = false;
session->gpsdata.driver_mode = 1;
}
}
static void evermore_event_hook(struct gps_device_t *session, event_t event)
{
if (session->context->readonly)
return;
/*
* FIX-ME: It might not be necessary to call this on reactivate.
* Experiment to see if the holds its settings through a close.
*/
if (event == event_identified || event == event_reactivate) {
/*
* We used to run this driver in binary mode, but that has the
* problem that Evermore binary mode doesn't report a
* leap-second correction in the Navigation Data Out sentence.
* So, run it in NMEA mode to getbUTC corrected by firmware.
* Fortunately the Evermore firmware interprets binary
* commands in NMEA mode, so nothing else needs to change.
*/
(void)evermore_mode(session, 0); /* switch GPS to NMEA mode */
(void)evermore_nmea_config(session, 1); /* configure NMEA messages for gpsd (GPGSV every 5s) */
session->back_to_nmea = false;
} else if (event == event_deactivate) {
(void)evermore_nmea_config(session, 0); /* configure NMEA messages to default */
}
}
static void evermore_mode(struct gps_device_t *session, int mode)
{
gpsd_log(&session->context->errout, LOG_PROG,
"evermore_mode(%d), %d\n", mode,
session->back_to_nmea ? 1 : 0);
if (mode == MODE_NMEA) {
/* NMEA */
(void)evermore_protocol(session, 1);
(void)evermore_nmea_config(session, 1); /* configure NMEA messages for gpsd */
} else {
/* binary */
(void)evermore_protocol(session, 0);
session->back_to_nmea = false;
}
}
static void evermore_wrap(struct gps_device_t *session)
{
gpsd_report(LOG_PROG, "evermore_wrap\n");
(void) evermore_nmea_config(session, 0); /* configure NMEA messages to default */
}
