2 * Copyright © 2011 Keith Packard <keithp@keithp.com>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; version 2 of the License.
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
18 #ifndef _CC_TELEMETRY_H_
19 #define _CC_TELEMETRY_H_
23 #define AO_MAX_CALLSIGN 8
24 #define AO_MAX_VERSION 8
25 #define AO_MAX_TELEMETRY 128
27 struct ao_telemetry_generic {
28 uint16_t serial; /* 0 */
29 uint16_t tick; /* 2 */
31 uint8_t payload[27]; /* 5 */
35 #define AO_TELEMETRY_SENSOR_TELEMETRUM 0x01
36 #define AO_TELEMETRY_SENSOR_TELEMINI 0x02
37 #define AO_TELEMETRY_SENSOR_TELENANO 0x03
39 struct ao_telemetry_sensor {
40 uint16_t serial; /* 0 */
41 uint16_t tick; /* 2 */
44 uint8_t state; /* 5 flight state */
45 int16_t accel; /* 6 accelerometer (TM only) */
46 int16_t pres; /* 8 pressure sensor */
47 int16_t temp; /* 10 temperature sensor */
48 int16_t v_batt; /* 12 battery voltage */
49 int16_t sense_d; /* 14 drogue continuity sense (TM/Tm) */
50 int16_t sense_m; /* 16 main continuity sense (TM/Tm) */
52 int16_t acceleration; /* 18 m/s² * 16 */
53 int16_t speed; /* 20 m/s * 16 */
54 int16_t height; /* 22 m */
56 int16_t ground_pres; /* 24 average pres on pad */
57 int16_t ground_accel; /* 26 average accel on pad */
58 int16_t accel_plus_g; /* 28 accel calibration at +1g */
59 int16_t accel_minus_g; /* 30 accel calibration at -1g */
63 #define AO_TELEMETRY_CONFIGURATION 0x04
65 struct ao_telemetry_configuration {
66 uint16_t serial; /* 0 */
67 uint16_t tick; /* 2 */
70 uint8_t device; /* 5 device type */
71 uint16_t flight; /* 6 flight number */
72 uint8_t config_major; /* 8 Config major version */
73 uint8_t config_minor; /* 9 Config minor version */
74 uint16_t apogee_delay; /* 10 Apogee deploy delay in seconds */
75 uint16_t main_deploy; /* 12 Main deploy alt in meters */
76 uint16_t flight_log_max; /* 14 Maximum flight log size in kB */
77 char callsign[AO_MAX_CALLSIGN]; /* 16 Radio operator identity */
78 char version[AO_MAX_VERSION]; /* 24 Software version */
82 #define AO_TELEMETRY_LOCATION 0x05
84 #define AO_GPS_MODE_NOT_VALID 'N'
85 #define AO_GPS_MODE_AUTONOMOUS 'A'
86 #define AO_GPS_MODE_DIFFERENTIAL 'D'
87 #define AO_GPS_MODE_ESTIMATED 'E'
88 #define AO_GPS_MODE_MANUAL 'M'
89 #define AO_GPS_MODE_SIMULATED 'S'
91 struct ao_telemetry_location {
92 uint16_t serial; /* 0 */
93 uint16_t tick; /* 2 */
96 uint8_t flags; /* 5 Number of sats and other flags */
97 int16_t altitude; /* 6 GPS reported altitude (m) */
98 int32_t latitude; /* 8 latitude (degrees * 10⁷) */
99 int32_t longitude; /* 12 longitude (degrees * 10⁷) */
100 uint8_t year; /* 16 (- 2000) */
101 uint8_t month; /* 17 (1-12) */
102 uint8_t day; /* 18 (1-31) */
103 uint8_t hour; /* 19 (0-23) */
104 uint8_t minute; /* 20 (0-59) */
105 uint8_t second; /* 21 (0-59) */
106 uint8_t pdop; /* 22 (m * 5) */
107 uint8_t hdop; /* 23 (m * 5) */
108 uint8_t vdop; /* 24 (m * 5) */
109 uint8_t mode; /* 25 */
110 uint16_t ground_speed; /* 26 cm/s */
111 int16_t climb_rate; /* 28 cm/s */
112 uint8_t course; /* 30 degrees / 2 */
113 uint8_t unused[1]; /* 31 */
117 #define AO_TELEMETRY_SATELLITE 0x06
119 struct ao_telemetry_satellite_info {
124 struct ao_telemetry_satellite {
125 uint16_t serial; /* 0 */
126 uint16_t tick; /* 2 */
127 uint8_t type; /* 4 */
128 uint8_t channels; /* 5 number of reported sats */
130 struct ao_telemetry_satellite_info sats[12]; /* 6 */
131 uint8_t unused[2]; /* 30 */
135 #define AO_TELEMETRY_COMPANION 0x07
137 #define AO_COMPANION_MAX_CHANNELS 12
139 struct ao_telemetry_companion {
140 uint16_t serial; /* 0 */
141 uint16_t tick; /* 2 */
142 uint8_t type; /* 4 */
143 uint8_t board_id; /* 5 */
145 uint8_t update_period; /* 6 */
146 uint8_t channels; /* 7 */
147 uint16_t companion_data[AO_COMPANION_MAX_CHANNELS]; /* 8 */
151 /* #define AO_SEND_ALL_BARO */
153 #define AO_TELEMETRY_BARO 0x80
156 * This packet allows the full sampling rate baro
157 * data to be captured over the RF link so that the
158 * flight software can be tested using 'real' data.
160 * Along with this telemetry packet, the flight
161 * code is modified to send full-rate telemetry all the time
162 * and never send an RDF tone; this ensure that the full radio
165 struct ao_telemetry_baro {
166 uint16_t serial; /* 0 */
167 uint16_t tick; /* 2 */
168 uint8_t type; /* 4 */
169 uint8_t samples; /* 5 number samples */
171 int16_t baro[12]; /* 6 samples */
175 union ao_telemetry_all {
176 struct ao_telemetry_generic generic;
177 struct ao_telemetry_sensor sensor;
178 struct ao_telemetry_configuration configuration;
179 struct ao_telemetry_location location;
180 struct ao_telemetry_satellite satellite;
181 struct ao_telemetry_companion companion;
182 struct ao_telemetry_baro baro;
186 cc_telemetry_parse(const char *input_line, union ao_telemetry_all *telemetry);