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   1 /*
   2  * Copyright © 2011 Keith Packard <keithp@keithp.com>
   3  *
   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; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful, but
  10  * WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with this program; if not, write to the Free Software Foundation, Inc.,
  16  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  17  */
  18
  19 #include "ao.h"
  20 #include "ao_product.h"
  21 #include "ao_log.h"
  22 #include "ao_companion.h"
  23
  24 static uint8_t  ao_log_data_pos;
  25
  26 const uint8_t ao_log_format = AO_LOG_FORMAT_TELESCIENCE;
  27
  28 static void
  29 ao_log_telescience_csum(void)
  30 {
  31         uint8_t *b = ao_log_single_write_data.bytes;
  32         uint8_t sum = 0x5a;
  33         uint8_t i;
  34
  35         ao_log_single_write_data.telescience.csum = 0;
  36         for (i = 0; i < sizeof (struct ao_log_telescience); i++)
  37                 sum += *b++;
  38         ao_log_single_write_data.telescience.csum = -sum;
  39 }
  40
  41 void
  42 ao_log_single(void)
  43 {
  44         ao_storage_setup();
  45
  46         /* This can take a while, so let the rest
  47          * of the system finish booting before we start
  48          */
  49         ao_delay(AO_SEC_TO_TICKS(10));
  50
  51         ao_log_single_restart();
  52         for (;;) {
  53                 while (!ao_log_running)
  54                         ao_sleep(&ao_log_running);
  55
  56                 ao_log_start_pos = ao_log_current_pos;
  57                 ao_log_single_write_data.telescience.type = AO_LOG_TELESCIENCE_START;
  58                 ao_log_single_write_data.telescience.tick = ao_time();
  59                 ao_log_single_write_data.telescience.adc[0] = ao_companion_command.serial;
  60                 ao_log_single_write_data.telescience.adc[1] = ao_companion_command.flight;
  61                 ao_log_telescience_csum();
  62                 ao_log_single_write();
  63                 /* Write the whole contents of the ring to the log
  64                  * when starting up.
  65                  */
  66                 ao_log_data_pos = ao_data_ring_next(ao_data_head);
  67                 ao_log_single_write_data.telescience.type = AO_LOG_TELESCIENCE_DATA;
  68                 while (ao_log_running) {
  69                         /* Write samples to EEPROM */
  70                         while (ao_log_data_pos != ao_data_head) {
  71                                 ao_log_single_write_data.telescience.tick = ao_data_ring[ao_log_data_pos].tick;
  72                                 memcpy(&ao_log_single_write_data.telescience.adc, (void *) ao_data_ring[ao_log_data_pos].adc.adc,
  73                                        AO_LOG_TELESCIENCE_NUM_ADC * sizeof (uint16_t));
  74                                 ao_log_telescience_csum();
  75                                 ao_log_single_write();
  76                                 ao_log_data_pos = ao_data_ring_next(ao_log_data_pos);
  77                         }
  78                         /* Wait for more ADC data to arrive */
  79                         ao_sleep((void *) &ao_data_head);
  80                 }
  81                 memset(&ao_log_single_write_data.telescience.adc, '\0', sizeof (ao_log_single_write_data.telescience.adc));
  82         }
  83 }
  84
  85 void
  86 ao_log_single_list(void)
  87 {
  88         uint32_t        pos;
  89         uint32_t        start = 0;
  90         uint8_t         flight = 0;
  91
  92         for (pos = 0; ; pos += sizeof (struct ao_log_telescience)) {
  93                 if (pos >= ao_storage_config ||
  94                     !ao_log_single_read(pos) ||
  95                     ao_log_single_read_data.telescience.type == AO_LOG_TELESCIENCE_START)
  96                 {
  97                         if (pos != start) {
  98                                 printf("flight %d start %x end %x\n",
  99                                        flight,
 100                                        (uint16_t) (start >> 8),
 101                                        (uint16_t) ((pos + 0xff) >> 8)); flush();
 102                         }
 103                         if (ao_log_single_read_data.telescience.type != AO_LOG_TELESCIENCE_START)
 104                                 break;
 105                         start = pos;
 106                         flight++;
 107                 }
 108         }
 109         printf ("done\n");
 110 }
 111
 112 void
 113 ao_log_single_extra_query(void)
 114 {
 115         printf("log data tick: %04x\n", ao_log_single_write_data.telescience.tick);
 116         printf("TM data tick: %04x\n", ao_log_single_write_data.telescience.tm_tick);
 117         printf("TM state: %d\n", ao_log_single_write_data.telescience.tm_state);
 118         printf("TM serial: %d\n", ao_companion_command.serial);
 119         printf("TM flight: %d\n", ao_companion_command.flight);
 120 }