2 * Copyright © 2009 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 __pdata uint32_t ao_log_current_pos;
21 static __pdata uint32_t ao_log_start_pos;
22 static __xdata uint8_t ao_log_running;
23 static __xdata uint8_t ao_log_mutex;
26 ao_log_csum(uint8_t *b)
31 for (i = 0; i < sizeof (struct ao_log_record); i++)
37 ao_log_data(struct ao_log_record *log)
41 log->csum = ao_log_csum((uint8_t *) log);
42 ao_mutex_get(&ao_log_mutex); {
44 ao_ee_write(ao_log_current_pos,
46 sizeof (struct ao_log_record));
47 ao_log_current_pos += sizeof (struct ao_log_record);
48 if (ao_log_current_pos >= AO_EE_DATA_SIZE)
49 ao_log_current_pos = 0;
50 if (ao_log_current_pos == ao_log_start_pos)
53 } ao_mutex_put(&ao_log_mutex);
62 __xdata struct ao_log_record ao_log_dump;
63 static __xdata uint16_t ao_log_dump_flight;
64 static __xdata uint32_t ao_log_dump_pos;
67 ao_log_dump_check_data(void)
69 if (ao_log_csum((uint8_t *) &ao_log_dump) != 0)
75 ao_log_dump_scan(void)
77 if (!ao_ee_read(0, (uint8_t *) &ao_log_dump, sizeof (struct ao_log_record)))
78 ao_panic(AO_PANIC_LOG);
79 if (ao_log_dump_check_data() && ao_log_dump.type == AO_LOG_FLIGHT) {
80 ao_log_dump_flight = ao_log_dump.u.flight.flight;
83 ao_log_dump_flight = 0;
89 ao_log_dump_first(void)
92 if (!ao_log_dump_scan())
98 ao_log_dump_next(void)
100 ao_log_dump_pos += sizeof (struct ao_log_record);
101 if (ao_log_dump_pos >= AO_EE_DEVICE_SIZE)
103 if (!ao_ee_read(ao_log_dump_pos, (uint8_t *) &ao_log_dump,
104 sizeof (struct ao_log_record)))
106 return ao_log_dump_check_data();
109 __xdata uint8_t ao_log_adc_pos;
110 __xdata enum flight_state ao_log_state;
115 static __xdata struct ao_log_record log;
119 while (!ao_log_running)
120 ao_sleep(&ao_log_running);
122 log.type = AO_LOG_FLIGHT;
123 log.tick = ao_flight_tick;
124 log.u.flight.serial = 0;
125 log.u.flight.flight = ao_log_dump_flight + 1;
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_flight_tick;
133 log.u.state.state = ao_log_state;
134 log.u.state.reason = 0;
137 /* Write samples to EEPROM */
138 while (ao_log_adc_pos != ao_adc_head) {
139 log.type = AO_LOG_SENSOR;
140 log.tick = ao_adc_ring[ao_log_adc_pos].tick;
141 log.u.sensor.accel = ao_adc_ring[ao_log_adc_pos].accel;
142 log.u.sensor.pres = ao_adc_ring[ao_log_adc_pos].pres;
144 if (ao_log_adc_pos == 0) {
145 log.type = AO_LOG_TEMP_VOLT;
146 log.tick = ao_adc_ring[ao_log_adc_pos].tick;
147 log.u.temp_volt.temp = ao_adc_ring[ao_log_adc_pos].temp;
148 log.u.temp_volt.v_batt = ao_adc_ring[ao_log_adc_pos].v_batt;
150 log.type = AO_LOG_DEPLOY;
151 log.tick = ao_adc_ring[ao_log_adc_pos].tick;
152 log.u.deploy.drogue = ao_adc_ring[ao_log_adc_pos].sense_d;
153 log.u.deploy.main = ao_adc_ring[ao_log_adc_pos].sense_m;
157 if (ao_log_adc_pos == AO_ADC_RING)
161 /* Wait for a while */
162 ao_delay(AO_MS_TO_TICKS(100));
171 ao_wakeup(&ao_log_running);
181 static __xdata struct ao_task ao_log_task;
188 /* For now, just log the flight starting at the begining of eeprom */
189 ao_log_start_pos = 0;
190 ao_log_current_pos = ao_log_start_pos;
191 ao_log_state = ao_flight_invalid;
193 /* Create a task to log events to eeprom */
194 ao_add_task(&ao_log_task, ao_log, "log");