2 * Copyright © 2012 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.
21 #include <ao_flight.h>
23 static __xdata uint8_t ao_log_mutex;
24 static __xdata struct ao_log_mini log;
26 __code uint8_t ao_log_format = AO_LOG_FORMAT_MINI;
29 ao_log_csum(__xdata uint8_t *b) __reentrant
34 for (i = 0; i < sizeof (struct ao_log_mini); i++)
40 ao_log_mini(__xdata struct ao_log_mini *log) __reentrant
45 log->csum = ao_log_csum((__xdata uint8_t *) log);
46 ao_mutex_get(&ao_log_mutex); {
47 if (ao_log_current_pos >= ao_log_end_pos && ao_log_running)
51 ao_storage_write(ao_log_current_pos,
53 sizeof (struct ao_log_mini));
54 ao_log_current_pos += sizeof (struct ao_log_mini);
56 } ao_mutex_put(&ao_log_mutex);
61 ao_log_dump_check_data(void)
63 if (ao_log_csum((uint8_t *) &log) != 0)
68 static __data uint8_t ao_log_data_pos;
70 /* a hack to make sure that ao_log_minis fill the eeprom block in even units */
71 typedef uint8_t check_log_size[1-(256 % sizeof(struct ao_log_mini))] ;
73 #ifndef AO_SENSOR_INTERVAL_ASCENT
74 #define AO_SENSOR_INTERVAL_ASCENT 1
75 #define AO_SENSOR_INTERVAL_DESCENT 10
81 __pdata uint16_t next_sensor, next_other;
88 while (!ao_log_running)
89 ao_sleep(&ao_log_running);
92 log.type = AO_LOG_FLIGHT;
93 log.tick = ao_sample_tick;
94 log.u.flight.flight = ao_flight_number;
95 log.u.flight.ground_pres = ao_ground_pres;
99 /* Write the whole contents of the ring to the log
102 ao_log_data_pos = ao_data_ring_next(ao_data_head);
103 next_other = next_sensor = ao_data_ring[ao_log_data_pos].tick;
104 ao_log_state = ao_flight_startup;
106 /* Write samples to EEPROM */
107 while (ao_log_data_pos != ao_data_head) {
108 log.tick = ao_data_ring[ao_log_data_pos].tick;
109 if ((int16_t) (log.tick - next_sensor) >= 0) {
110 log.type = AO_LOG_SENSOR;
111 ao_log_pack24(log.u.sensor.pres,
112 ao_data_ring[ao_log_data_pos].ms5607_raw.pres);
113 ao_log_pack24(log.u.sensor.temp,
114 ao_data_ring[ao_log_data_pos].ms5607_raw.temp);
115 log.u.sensor.sense_a = ao_data_ring[ao_log_data_pos].adc.sense_a;
116 log.u.sensor.sense_m = ao_data_ring[ao_log_data_pos].adc.sense_m;
117 log.u.sensor.v_batt = ao_data_ring[ao_log_data_pos].adc.v_batt;
119 if (ao_log_state <= ao_flight_coast)
120 next_sensor = log.tick + AO_SENSOR_INTERVAL_ASCENT;
122 next_sensor = log.tick + AO_SENSOR_INTERVAL_DESCENT;
124 ao_log_data_pos = ao_data_ring_next(ao_log_data_pos);
127 /* Write state change to EEPROM */
128 if (ao_flight_state != ao_log_state) {
129 ao_log_state = ao_flight_state;
130 log.type = AO_LOG_STATE;
131 log.tick = ao_time();
132 log.u.state.state = ao_log_state;
133 log.u.state.reason = 0;
136 if (ao_log_state == ao_flight_landed)
143 /* Wait for a while */
144 ao_delay(AO_MS_TO_TICKS(100));
146 /* Stop logging when told to */
147 while (!ao_log_running)
148 ao_sleep(&ao_log_running);
153 ao_log_flight(uint8_t slot)
155 if (!ao_storage_read(ao_log_pos(slot),
157 sizeof (struct ao_log_mini)))
160 if (ao_log_dump_check_data() && log.type == AO_LOG_FLIGHT)
161 return log.u.flight.flight;