altos/cc1200: Adjust bit-sync configuration

[fw/altos] / src / drivers / ao_gps_ublox.c

diff --git a/src/drivers/ao_gps_ublox.c b/src/drivers/ao_gps_ublox.c
index a11ca3f731657f7351b3759ac85bdd09d7a4f32b..74c29e0a0e74e20af16436e66ffd2de3ab4d12b5 100644 (file)
--- a/src/drivers/ao_gps_ublox.c
+++ b/src/drivers/ao_gps_ublox.c
@@ -21,30 +21,37 @@
 
 #include "ao_gps_ublox.h"
 
-#define AO_UBLOX_DEBUG 1
+#define AO_UBLOX_DEBUG 0
 
 #include <stdarg.h>
 
+__xdata uint8_t ao_gps_new;
 __xdata uint8_t ao_gps_mutex;
 __pdata uint16_t ao_gps_tick;
 __xdata struct ao_telemetry_location   ao_gps_data;
 __xdata struct ao_telemetry_satellite  ao_gps_tracking_data;
 
+#undef AO_SERIAL_SPEED_UBLOX
+
 #ifndef AO_SERIAL_SPEED_UBLOX
-#define AO_SERIAL_SPEED_UBLOX AO_SERIAL_SPEED_57600
+#define AO_SERIAL_SPEED_UBLOX AO_SERIAL_SPEED_9600
 #endif
 
 #if AO_SERIAL_SPEED_UBLOX == AO_SERIAL_SPEED_57600
 #define SERIAL_SPEED_STRING    "57600"
+#define SERIAL_SPEED_CHECKSUM  "2d"
 #endif
 #if AO_SERIAL_SPEED_UBLOX == AO_SERIAL_SPEED_19200
 #define SERIAL_SPEED_STRING    "19200"
+#define SERIAL_SPEED_CHECKSUM  "23"
 #endif
 #if AO_SERIAL_SPEED_UBLOX == AO_SERIAL_SPEED_9600
 #define SERIAL_SPEED_STRING    "9600"
+#define SERIAL_SPEED_CHECKSUM  "16"
 #endif
 
-static const char ao_gps_set_nmea[] = "\r\n$PUBX,41,1,3,1," SERIAL_SPEED_STRING ",0*2d\r\n";
+static const char ao_gps_set_nmea[] =
+       "\r\n$PUBX,41,1,3,1," SERIAL_SPEED_STRING ",0*" SERIAL_SPEED_CHECKSUM "\r\n";
 
 struct ao_ublox_cksum {
        uint8_t a, b;
@@ -593,6 +600,14 @@ static const uint8_t ublox_enable_nav[] = {
        UBLOX_NAV_TIMEUTC
 };
 
+void
+ao_gps_set_rate(uint8_t rate)
+{
+       uint8_t i;
+       for (i = 0; i < sizeof (ublox_enable_nav); i++)
+               ao_ublox_set_message_rate(UBLOX_NAV, ublox_enable_nav[i], rate);
+}
+
 void
 ao_gps(void) __reentrant
 {
@@ -609,8 +624,7 @@ ao_gps(void) __reentrant
                ao_ublox_set_message_rate(UBLOX_NAV, ublox_disable_nav[i], 0);
 
        /* Enable all of the messages we want */
-       for (i = 0; i < sizeof (ublox_enable_nav); i++)
-               ao_ublox_set_message_rate(UBLOX_NAV, ublox_enable_nav[i], 1);
+       ao_gps_set_rate(1);
 
        ao_ublox_set_navigation_settings((1 << UBLOX_CFG_NAV5_MASK_DYN) | (1 << UBLOX_CFG_NAV5_MASK_FIXMODE),
                                         UBLOX_CFG_NAV5_DYNMODEL_AIRBORNE_4G,
@@ -696,9 +710,9 @@ ao_gps(void) __reentrant
                        continue;
 
                switch (class) {
-               case 0x01:
+               case UBLOX_NAV:
                        switch (id) {
-                       case 0x21:
+                       case UBLOX_NAV_TIMEUTC:
                                ao_mutex_get(&ao_gps_mutex);
                                ao_gps_tick = ao_time();
 
@@ -706,7 +720,7 @@ ao_gps(void) __reentrant
                                ao_gps_data.flags |= AO_GPS_RUNNING;
                                if (nav_sol.gps_fix & (1 << NAV_SOL_FLAGS_GPSFIXOK)) {
                                        uint8_t nsat = nav_sol.nsat;
-                                       ao_gps_data.flags |= AO_GPS_VALID;
+                                       ao_gps_data.flags |= AO_GPS_VALID | AO_GPS_COURSE_VALID;
                                        if (nsat > 15)
                                                nsat = 15;
                                        ao_gps_data.flags |= nsat;
@@ -714,7 +728,7 @@ ao_gps(void) __reentrant
                                if (nav_timeutc.valid & (1 << NAV_TIMEUTC_VALID_UTC))
                                        ao_gps_data.flags |= AO_GPS_DATE_VALID;
 
-                               ao_gps_data.altitude = nav_posllh.alt_msl / 1000;
+                               AO_TELEMETRY_LOCATION_SET_ALTITUDE(&ao_gps_data, nav_posllh.alt_msl / 1000);
                                ao_gps_data.latitude = nav_posllh.lat;
                                ao_gps_data.longitude = nav_posllh.lon;
 
@@ -726,11 +740,11 @@ ao_gps(void) __reentrant
                                ao_gps_data.minute = nav_timeutc.min;
                                ao_gps_data.second = nav_timeutc.sec;
 
-                               ao_gps_data.pdop = nav_dop.pdop;
-                               ao_gps_data.hdop = nav_dop.hdop;
-                               ao_gps_data.vdop = nav_dop.vdop;
-
-                               /* mode is not set */
+                               /* we report dop scaled by 10, but ublox provides dop scaled by 100
+                                */
+                               ao_gps_data.pdop = nav_dop.pdop / 10;
+                               ao_gps_data.hdop = nav_dop.hdop / 10;
+                               ao_gps_data.vdop = nav_dop.vdop / 10;
 
                                ao_gps_data.ground_speed = nav_velned.g_speed;
                                ao_gps_data.climb_rate = -nav_velned.vel_d;
@@ -739,23 +753,25 @@ ao_gps(void) __reentrant
                                ao_gps_tracking_data.channels = 0;
 
                                struct ao_telemetry_satellite_info *dst = &ao_gps_tracking_data.sats[0];
+                               struct nav_svinfo_sat *src = &nav_svinfo_sat[0];
 
                                for (i = 0; i < nav_svinfo_nsat; i++) {
-                                       struct nav_svinfo_sat *src = &nav_svinfo_sat[i];
-
                                        if (!(src->flags & (1 << NAV_SVINFO_SAT_FLAGS_UNHEALTHY)) &&
                                            src->quality >= NAV_SVINFO_SAT_QUALITY_ACQUIRED)
                                        {
-                                               dst->svid = src->svid;
-                                               dst->c_n_1 = src->cno;
-                                               dst++;
-                                               ao_gps_tracking_data.channels++;
+                                               if (ao_gps_tracking_data.channels < AO_TELEMETRY_SATELLITE_MAX_SAT) {
+                                                       dst->svid = src->svid;
+                                                       dst->c_n_1 = src->cno;
+                                                       dst++;
+                                                       ao_gps_tracking_data.channels++;
+                                               }
                                        }
+                                       src++;
                                }
 
                                ao_mutex_put(&ao_gps_mutex);
-                               ao_wakeup(&ao_gps_data);
-                               ao_wakeup(&ao_gps_tracking_data);
+                               ao_gps_new = AO_GPS_NEW_DATA | AO_GPS_NEW_TRACKING;
+                               ao_wakeup(&ao_gps_new);
                                break;
                        }
                        break;