#include "aoview.h"
#include <math.h>
-static int pad_pres;
-static int pad_accel;
-
-static int pad_pres_total;
-static int pad_accel_total;
static double pad_lat_total;
static double pad_lon_total;
static int pad_alt_total;
-static int npad;
+static int npad_gps;
static int prev_tick;
static double prev_accel;
-static double velocity;
static double pad_lat;
static double pad_lon;
static double pad_alt;
+static double min_pres;
+static double min_accel;
-#define NUM_PAD_SAMPLES 50
-
-
+#define NUM_PAD_SAMPLES 10
static void
aoview_great_circle (double start_lat, double start_lon,
}
static void
-aoview_state_add_deg(char *label, double deg)
+aoview_state_add_deg(char *label, double deg, char pos, char neg)
{
double int_part;
double min;
+ char sign = pos;
+ if (deg < 0) {
+ deg = -deg;
+ sign = neg;
+ }
int_part = floor (deg);
min = (deg - int_part) * 60.0;
- aoview_table_add_row(label, "%d°%lf'",
- (int) int_part, min);
+ aoview_table_add_row(label, "%d°%lf'%c",
+ (int) int_part, min, sign);
+
+}
+
+static char *ascent_states[] = {
+ "boost",
+ "fast",
+ "coast",
+ 0,
+};
+
+void
+aoview_state_speak(struct aostate *state)
+{
+ static char last_state[32];
+ int i;
+ gboolean report = FALSE;
+ static time_t last_time;
+ time_t this_time;
+ static int last_altitude;
+ int this_altitude;
+
+ if (strcmp(state->state, last_state)) {
+ aoview_voice_speak("rocket state now %s\n", state->state);
+ if (!strcmp(state->state, "drogue"))
+ aoview_voice_speak("maximum altitude %d meters\n",
+ aoview_pres_to_altitude(min_pres) -
+ aoview_pres_to_altitude(state->ground_pres));
+ report = TRUE;
+ strcpy(last_state, state->state);
+ }
+ this_time = time(NULL);
+ this_altitude = aoview_pres_to_altitude(state->flight_pres) - aoview_pres_to_altitude(state->ground_pres);
+ if (this_time - last_time >= 10)
+ report = TRUE;
+ if (this_altitude / 1000 != last_altitude / 1000)
+ report = TRUE;
+
+ if (report) {
+ aoview_voice_speak("altitude %d meters\n",
+ this_altitude);
+ for (i = 0; ascent_states[i]; i++)
+ if (!strcmp(ascent_states[i], state->state)) {
+ aoview_voice_speak("speed %d meters per second\n",
+ state->flight_vel / 2700);
+ break;
+ }
+ }
+ last_time = this_time;
+ last_altitude = this_altitude;
}
void
{
int altitude;
double accel;
- double velocity_change;
int ticks;
double dist;
double bearing;
double temp;
+ double velocity;
double battery;
double drogue_sense, main_sense;
+ double max_accel;
if (!strcmp(state->state, "pad")) {
- if (npad < NUM_PAD_SAMPLES) {
- pad_accel_total += state->accel;
- pad_pres_total += state->pres;
+ if (state->locked && npad_gps < NUM_PAD_SAMPLES) {
pad_lat_total += state->lat;
pad_lon_total += state->lon;
pad_alt_total += state->alt;
- npad++;
- velocity = 0;
+ npad_gps++;
}
- if (npad <= NUM_PAD_SAMPLES) {
- pad_pres = pad_pres_total / npad;
- pad_accel = pad_accel_total / npad;
- pad_lat = pad_lat_total / npad;
- pad_lon = pad_lon_total / npad;
- pad_alt = pad_alt_total / npad;
+ if (state->locked && npad_gps <= NUM_PAD_SAMPLES) {
+ pad_lat = pad_lat_total / npad_gps;
+ pad_lon = pad_lon_total / npad_gps;
+ pad_alt = pad_alt_total / npad_gps;
}
+ min_pres = state->ground_pres;
+ min_accel = state->ground_accel;
}
- altitude = aoview_pres_to_altitude(state->pres) - aoview_pres_to_altitude(pad_pres);
- accel = (pad_accel - state->accel) / 264.8 * 9.80665;
- velocity_change = (accel + prev_accel) / 2.0;
+ if (state->flight_pres < min_pres)
+ min_pres = state->flight_pres;
+ if (state->flight_accel < min_accel)
+ min_accel = state->flight_accel;
+ altitude = aoview_pres_to_altitude(state->flight_pres) - aoview_pres_to_altitude(state->ground_pres);
+ accel = (state->ground_accel - state->flight_accel) / 27.0;
+ velocity = state->flight_vel / 2700.0;
+ max_accel = (state->ground_accel - min_accel) / 27.0;
ticks = state->tick - prev_tick;
- velocity -= velocity_change * (ticks / 100.0);
temp = ((state->temp / 32767.0 * 3.3) - 0.5) / 0.01;
battery = (state->batt / 32767.0 * 5.0);
drogue_sense = (state->drogue / 32767.0 * 15.0);
prev_accel = accel;
prev_tick = state->tick;
aoview_table_start();
- aoview_table_add_row("RSSI", "%ddB", state->rssi);
+
+ if (npad_gps >= NUM_PAD_SAMPLES)
+ aoview_table_add_row("Ground state", "ready");
+ else
+ aoview_table_add_row("Ground state", "waiting for gps (%d)",
+ NUM_PAD_SAMPLES - npad_gps);
+ aoview_table_add_row("Rocket state", "%s", state->state);
+ aoview_table_add_row("Callsign", "%s", state->callsign);
+ aoview_table_add_row("Rocket serial", "%d", state->serial);
+
+ aoview_table_add_row("RSSI", "%ddBm", state->rssi);
aoview_table_add_row("Height", "%dm", altitude);
+ aoview_table_add_row("Max height", "%dm",
+ aoview_pres_to_altitude(min_pres) -
+ aoview_pres_to_altitude(state->ground_pres));
aoview_table_add_row("Acceleration", "%gm/s²", accel);
+ aoview_table_add_row("Max acceleration", "%gm/s²", max_accel);
aoview_table_add_row("Velocity", "%gm/s", velocity);
aoview_table_add_row("Temperature", "%g°C", temp);
aoview_table_add_row("Battery", "%gV", battery);
aoview_table_add_row("Drogue", "%gV", drogue_sense);
aoview_table_add_row("Main", "%gV", main_sense);
- aoview_table_add_row("Pad altitude", "%dm", aoview_pres_to_altitude(pad_pres));
+ aoview_table_add_row("Pad altitude", "%dm", aoview_pres_to_altitude(state->ground_pres));
aoview_table_add_row("Satellites", "%d", state->nsat);
if (state->locked) {
- aoview_state_add_deg("Latitude", state->lat);
- aoview_state_add_deg("Longitude", state->lon);
+ aoview_state_add_deg("Latitude", state->lat, 'N', 'S');
+ aoview_state_add_deg("Longitude", state->lon, 'E', 'W');
aoview_table_add_row("GPS alt", "%d", state->alt);
aoview_table_add_row("GPS time", "%02d:%02d:%02d",
state->gps_time.hour,
state->gps_time.minute,
state->gps_time.second);
+ aoview_table_add_row("GPS ground speed", "%fm/s %d°",
+ state->ground_speed,
+ state->course);
+ aoview_table_add_row("GPS climb rate", "%fm/s",
+ state->climb_rate);
+ aoview_table_add_row("GPS precision", "%f(hdop) %dm(h) %dm(v)\n",
+ state->hdop, state->h_error, state->v_error);
aoview_great_circle(pad_lat, pad_lon, state->lat, state->lon,
&dist, &bearing);
aoview_table_add_row("Distance from pad", "%gm", dist * 1000);
} else {
aoview_table_add_row("GPS", "unlocked");
}
+ if (npad_gps) {
+ aoview_state_add_deg("Pad latitude", pad_lat, 'N', 'S');
+ aoview_state_add_deg("Pad longitude", pad_lon, 'E', 'W');
+ aoview_table_add_row("Pad GPS alt", "%gm", pad_alt);
+ }
aoview_table_finish();
+ aoview_state_speak(state);
+}
+
+void
+aoview_state_new(void)
+{
+ pad_lat_total = 0;
+ pad_lon_total = 0;
+ pad_alt_total = 0;
+ npad_gps = 0;
+ prev_tick = 0;
+ prev_accel = 0;
+ pad_lat = 0;
+ pad_lon = 0;
+ pad_alt = 0;
+ min_pres = 32767;
+ min_accel = 32767;
}
void
aoview_state_init(GladeXML *xml)
{
+ aoview_state_new();
+ aoview_voice_speak("initializing rocket flight monitoring system\n");
}