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.
20 static __xdata struct ao_log_record log;
22 __code uint8_t ao_log_format = AO_LOG_FORMAT_FULL;
25 ao_log_csum(__xdata uint8_t *b) __reentrant
30 for (i = 0; i < sizeof (struct ao_log_record); i++)
36 ao_log_data(__xdata struct ao_log_record *log) __reentrant
41 log->csum = ao_log_csum((__xdata uint8_t *) log);
42 ao_mutex_get(&ao_log_mutex); {
43 if (ao_log_current_pos >= ao_log_end_pos && ao_log_running)
47 ao_storage_write(ao_log_current_pos,
49 sizeof (struct ao_log_record));
50 ao_log_current_pos += sizeof (struct ao_log_record);
52 } ao_mutex_put(&ao_log_mutex);
57 ao_log_dump_check_data(void)
59 if (ao_log_csum((uint8_t *) &log) != 0)
64 static __data uint8_t ao_log_data_pos;
66 /* a hack to make sure that ao_log_records fill the eeprom block in even units */
67 typedef uint8_t check_log_size[1-(256 % sizeof(struct ao_log_record))] ;
69 #ifndef AO_SENSOR_INTERVAL_ASCENT
70 #define AO_SENSOR_INTERVAL_ASCENT 1
71 #define AO_SENSOR_INTERVAL_DESCENT 10
72 #define AO_OTHER_INTERVAL 32
78 __pdata uint16_t next_sensor, next_other;
84 while (!ao_log_running)
85 ao_sleep(&ao_log_running);
87 log.type = AO_LOG_FLIGHT;
88 log.tick = ao_sample_tick;
90 log.u.flight.ground_accel = ao_ground_accel;
92 log.u.flight.flight = ao_flight_number;
95 /* Write the whole contents of the ring to the log
98 ao_log_data_pos = ao_data_ring_next(ao_sample_data);
99 next_other = next_sensor = ao_data_ring[ao_log_data_pos].tick;
100 ao_log_state = ao_flight_startup;
102 /* Write samples to EEPROM */
103 while (ao_log_data_pos != ao_sample_data) {
104 log.tick = ao_data_ring[ao_log_data_pos].tick;
105 if ((int16_t) (log.tick - next_sensor) >= 0) {
106 log.type = AO_LOG_SENSOR;
107 log.u.sensor.accel = ao_data_ring[ao_log_data_pos].adc.accel;
108 log.u.sensor.pres = ao_data_ring[ao_log_data_pos].adc.pres;
110 if (ao_log_state <= ao_flight_coast)
111 next_sensor = log.tick + AO_SENSOR_INTERVAL_ASCENT;
113 next_sensor = log.tick + AO_SENSOR_INTERVAL_DESCENT;
115 if ((int16_t) (log.tick - next_other) >= 0) {
116 log.type = AO_LOG_TEMP_VOLT;
117 log.u.temp_volt.temp = ao_data_ring[ao_log_data_pos].adc.temp;
118 log.u.temp_volt.v_batt = ao_data_ring[ao_log_data_pos].adc.v_batt;
120 log.type = AO_LOG_DEPLOY;
121 log.u.deploy.drogue = ao_data_ring[ao_log_data_pos].adc.sense_d;
122 log.u.deploy.main = ao_data_ring[ao_log_data_pos].adc.sense_m;
124 next_other = log.tick + AO_OTHER_INTERVAL;
126 ao_log_data_pos = ao_data_ring_next(ao_log_data_pos);
128 /* Write state change to EEPROM */
129 if (ao_flight_state != ao_log_state) {
130 ao_log_state = ao_flight_state;
131 log.type = AO_LOG_STATE;
132 log.tick = ao_sample_tick;
133 log.u.state.state = ao_log_state;
134 log.u.state.reason = 0;
137 if (ao_log_state == ao_flight_landed)
141 /* Wait for a while */
142 ao_delay(AO_MS_TO_TICKS(100));
144 /* Stop logging when told to */
145 while (!ao_log_running)
146 ao_sleep(&ao_log_running);
151 ao_log_flight(uint8_t slot)
153 if (!ao_storage_read(ao_log_pos(slot),
155 sizeof (struct ao_log_record)))
158 if (ao_log_dump_check_data() && log.type == AO_LOG_FLIGHT)
159 return log.u.flight.flight;