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 struct ao_task ao_log_task;
22 uint8_t ao_log_running;
24 uint32_t ao_log_begin_pos, ao_log_end_pos;
25 uint32_t ao_log_current_pos;
27 #define AO_LOG_TELESCIENCE_START 'b'
28 #define AO_LOG_TELESCIENCE_STOP 'e'
29 #define AO_LOG_TELESCIENCE_DATA 'd'
31 struct ao_log_telescience {
37 uint16_t adc[NUM_ADC];
41 static struct ao_log_telescience log;
42 static uint8_t ao_log_adc_pos;
45 ao_log_csum(__xdata uint8_t *b) __reentrant
50 for (i = 0; i < sizeof (struct ao_log_telescience); i++)
56 ao_log_telescience_data(struct ao_log_telescience *log)
61 log->csum = ao_log_csum((__xdata uint8_t *) log);
62 ao_mutex_get(&ao_log_mutex); {
63 if (ao_log_current_pos >= ao_log_end_pos && ao_log_running)
67 ao_storage_write(ao_log_current_pos,
69 sizeof (struct ao_log_telescience));
70 ao_log_current_pos += sizeof (struct ao_log_telescience);
72 } ao_mutex_put(&ao_log_mutex);
77 ao_log_telescience(void)
81 ao_log_current_pos = 0;
82 ao_log_end_pos = ao_storage_config;
84 while (!ao_log_running)
85 ao_sleep(&ao_log_running);
87 memset(&log, '\0', sizeof (struct ao_log_telescience));
88 log.type = AO_LOG_TELESCIENCE_START;
90 ao_log_telescience_data(&log);
91 /* Write the whole contents of the ring to the log
94 ao_log_adc_pos = ao_adc_ring_next(ao_adc_head);
95 log.type = AO_LOG_TELESCIENCE_DATA;
96 while (ao_log_running) {
97 /* Write samples to EEPROM */
98 while (ao_log_adc_pos != ao_adc_head) {
99 log.tick = ao_adc_ring[ao_log_adc_pos].tick;
100 memcpy(&log.u.adc, (void *) ao_adc_ring[ao_log_adc_pos].adc,
101 NUM_ADC * sizeof (uint16_t));
102 ao_log_telescience_data(&log);
103 ao_log_adc_pos = ao_adc_ring_next(ao_log_adc_pos);
105 /* Wait for more ADC data to arrive */
106 ao_sleep((void *) &ao_adc_head);
108 memset(&log, '\0', sizeof (struct ao_log_telescience));
109 log.type = AO_LOG_TELESCIENCE_STOP;
110 log.tick = ao_time();
111 ao_log_telescience_data(&log);
120 ao_wakeup(&ao_log_running);
127 ao_wakeup((void *) &ao_adc_head);
134 if (ao_cmd_status == ao_cmd_success) {
142 const struct ao_cmds ao_log_cmds[] = {
143 { ao_log_set, "L <0 off, 1 on>\0Set logging mode" },
152 ao_cmd_register(&ao_log_cmds[0]);
154 ao_add_task(&ao_log_task, ao_log_telescience, "log");