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 uint8_t ao_log_mutex;
21 static __xdata struct ao_log_record log;
23 __code uint8_t ao_log_format = AO_LOG_FORMAT_FULL;
26 ao_log_csum(__xdata uint8_t *b) __reentrant
31 for (i = 0; i < sizeof (struct ao_log_record); i++)
37 ao_log_data(__xdata struct ao_log_record *log) __reentrant
42 log->csum = ao_log_csum((__xdata uint8_t *) log);
43 ao_mutex_get(&ao_log_mutex); {
44 if (ao_log_current_pos >= ao_log_end_pos && ao_log_running)
48 ao_storage_write(ao_log_current_pos,
50 sizeof (struct ao_log_record));
51 ao_log_current_pos += sizeof (struct ao_log_record);
53 } ao_mutex_put(&ao_log_mutex);
58 ao_log_dump_check_data(void)
60 if (ao_log_csum((uint8_t *) &log) != 0)
65 static __data uint8_t ao_log_data_pos;
67 /* a hack to make sure that ao_log_records fill the eeprom block in even units */
68 typedef uint8_t check_log_size[1-(256 % sizeof(struct ao_log_record))] ;
70 #ifndef AO_SENSOR_INTERVAL_ASCENT
71 #define AO_SENSOR_INTERVAL_ASCENT 1
72 #define AO_SENSOR_INTERVAL_DESCENT 10
73 #define AO_OTHER_INTERVAL 32
79 __pdata uint16_t next_sensor, next_other;
85 while (!ao_log_running)
86 ao_sleep(&ao_log_running);
88 log.type = AO_LOG_FLIGHT;
89 log.tick = ao_sample_tick;
91 log.u.flight.ground_accel = ao_ground_accel;
93 log.u.flight.flight = ao_flight_number;
96 /* Write the whole contents of the ring to the log
99 ao_log_data_pos = ao_data_ring_next(ao_sample_data);
100 next_other = next_sensor = ao_data_ring[ao_log_data_pos].tick;
101 ao_log_state = ao_flight_startup;
103 /* Write samples to EEPROM */
104 while (ao_log_data_pos != ao_sample_data) {
105 log.tick = ao_data_ring[ao_log_data_pos].tick;
106 if ((int16_t) (log.tick - next_sensor) >= 0) {
107 log.type = AO_LOG_SENSOR;
108 log.u.sensor.accel = ao_data_ring[ao_log_data_pos].adc.accel;
109 log.u.sensor.pres = ao_data_ring[ao_log_data_pos].adc.pres;
111 if (ao_log_state <= ao_flight_coast)
112 next_sensor = log.tick + AO_SENSOR_INTERVAL_ASCENT;
114 next_sensor = log.tick + AO_SENSOR_INTERVAL_DESCENT;
116 if ((int16_t) (log.tick - next_other) >= 0) {
117 log.type = AO_LOG_TEMP_VOLT;
118 log.u.temp_volt.temp = ao_data_ring[ao_log_data_pos].adc.temp;
119 log.u.temp_volt.v_batt = ao_data_ring[ao_log_data_pos].adc.v_batt;
121 log.type = AO_LOG_DEPLOY;
122 log.u.deploy.drogue = ao_data_ring[ao_log_data_pos].adc.sense_d;
123 log.u.deploy.main = ao_data_ring[ao_log_data_pos].adc.sense_m;
125 next_other = log.tick + AO_OTHER_INTERVAL;
127 ao_log_data_pos = ao_data_ring_next(ao_log_data_pos);
129 /* Write state change to EEPROM */
130 if (ao_flight_state != ao_log_state) {
131 ao_log_state = ao_flight_state;
132 log.type = AO_LOG_STATE;
133 log.tick = ao_sample_tick;
134 log.u.state.state = ao_log_state;
135 log.u.state.reason = 0;
138 if (ao_log_state == ao_flight_landed)
142 /* Wait for a while */
143 ao_delay(AO_MS_TO_TICKS(100));
145 /* Stop logging when told to */
146 while (!ao_log_running)
147 ao_sleep(&ao_log_running);
152 ao_log_flight(uint8_t slot)
154 if (!ao_storage_read(ao_log_pos(slot),
156 sizeof (struct ao_log_record)))
159 if (ao_log_dump_check_data() && log.type == AO_LOG_FLIGHT)
160 return log.u.flight.flight;