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/*
* Copyright © 2014 Keith Packard <keithp@keithp.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include "ao-fakeflight.h"
static uint8_t
ao_log_csum(uint8_t *b)
{
uint8_t sum = 0x5a;
uint8_t i;
for (i = 0; i < sizeof (struct ao_log_metrum); i++)
sum += *b++;
return -sum;
}
void
ao_log_metrum(FILE *file, struct ao_log_metrum *log)
{
uint8_t *d;
/* set checksum */
log->csum = 0;
log->csum = ao_log_csum((uint8_t *) log);
int i;
fprintf (file, "%c %04x", log->type, log->tick);
d = (void *) &log->u;
for (i = 0; i < sizeof (log->u); i++)
fprintf(file, " %02x", d[i]);
fprintf (file, "\n");
}
void
ao_log_flight(FILE *file, struct flight *f, struct rocket *r)
{
static struct ao_log_metrum log;
log.type = AO_LOG_FLIGHT;
log.tick = (f->time * 100);
log.u.flight.ground_accel = ao_accel_unconvert(GRAVITY);
log.u.flight.ground_pres = cc_altitude_to_pressure(f->altitude);
log.u.flight.flight = 1;
ao_log_metrum(file, &log);
}
void
ao_log_sensor(FILE *file, struct flight *f, struct rocket *r)
{
static struct ao_log_metrum log;
struct ao_ms5607_sample sample_baro;
int16_t sample_accel;
ao_ms5607_unconvert(f->altitude, &sample_baro);
sample_accel = ao_accel_unconvert(f->accel);
log.type = AO_LOG_SENSOR;
log.tick = (f->time * 100);
log.u.sensor.pres = sample_baro.pres;
log.u.sensor.temp = sample_baro.temp;
log.u.sensor.accel = sample_accel;
ao_log_metrum(file, &log);
}
void
ao_log_gps(FILE *file, struct flight *f, struct rocket *r)
{
static struct ao_log_metrum log;
static double gps_time;
static int been_here;
int32_t altitude;
int32_t seconds;
if (been_here && (f->time - gps_time) < 1)
return;
been_here = 1;
gps_time = f->time;
altitude = f->altitude;
seconds = f->time;
log.type = AO_LOG_GPS_POS;
log.tick = (f->time * 100);
log.u.gps.latitude = 45 * 1e7;
log.u.gps.longitude = -121 * 1e7;
log.u.gps.altitude_low = altitude;
log.u.gps.altitude_high = altitude >> 16;
ao_log_metrum(file, &log);
log.type = AO_LOG_GPS_TIME;
log.tick = (f->time * 100);
log.u.gps_time.hour = seconds / 3600;
log.u.gps_time.minute = (seconds / 60) % 60;
log.u.gps_time.second = seconds % 60;
log.u.gps_time.flags = AO_GPS_VALID | AO_GPS_RUNNING | AO_GPS_DATE_VALID | AO_GPS_COURSE_VALID | (12 << AO_GPS_NUM_SAT_SHIFT);
log.u.gps_time.year = 114;
log.u.gps_time.month = 7;
log.u.gps_time.day = 1;
log.u.gps_time.pdop = 1;
ao_log_metrum(file, &log);
}
void
ao_log_state(FILE *file, struct flight *f, struct rocket *r)
{
static struct ao_log_metrum log;
static int log_state = ao_flight_startup;
int flight_state;
switch (f->state) {
case state_ascent:
if (f->speed == 0 && f->altitude == 0)
flight_state = ao_flight_pad;
else if (f->accel > 0)
flight_state = ao_flight_boost;
else if (f->speed > 300)
flight_state = ao_flight_fast;
else
flight_state = ao_flight_coast;
break;
case state_drogue:
flight_state = ao_flight_drogue;
break;
case state_main:
flight_state = ao_flight_main;
break;
case state_landed:
flight_state = ao_flight_landed;
break;
}
if (flight_state != log_state) {
log.type = AO_LOG_STATE;
log.tick = (f->time * 100);
log.u.state.state = flight_state;
log.u.state.reason = 0;
ao_log_metrum(file, &log);
log_state = flight_state;
}
}
void
ao_log(FILE *file, struct flight *f, struct rocket *r)
{
static int been_here = 0;
if (!been_here) {
been_here = 1;
ao_log_flight(file, f, r);
}
ao_log_sensor(file, f, r);
ao_log_state(file, f, r);
ao_log_gps(file, f, r);
}
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