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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; version 2 of the License.
   7  *
   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.
  12  *
  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.
  16  */
  17
  18 #include "ao.h"
  19 #include "ao_product.h"
  20 #include "ao_log.h"
  21 #include "ao_companion.h"
  22
  23 static uint8_t  ao_log_data_pos;
  24
  25 __code uint8_t ao_log_format = AO_LOG_FORMAT_TELESCIENCE;
  26
  27 static void
  28 ao_log_telescience_csum(void) __reentrant
  29 {
  30         __xdata uint8_t *b = ao_log_single_write_data.bytes;
  31         uint8_t sum = 0x5a;
  32         uint8_t i;
  33
  34         ao_log_single_write_data.telescience.csum = 0;
  35         for (i = 0; i < sizeof (struct ao_log_telescience); i++)
  36                 sum += *b++;
  37         ao_log_single_write_data.telescience.csum = -sum;
  38 }
  39
  40 void
  41 ao_log_single(void)
  42 {
  43         ao_storage_setup();
  44
  45         /* This can take a while, so let the rest
  46          * of the system finish booting before we start
  47          */
  48         ao_delay(AO_SEC_TO_TICKS(10));
  49
  50         ao_log_single_restart();
  51         for (;;) {
  52                 while (!ao_log_running)
  53                         ao_sleep(&ao_log_running);
  54
  55                 ao_log_start_pos = ao_log_current_pos;
  56                 ao_log_single_write_data.telescience.type = AO_LOG_TELESCIENCE_START;
  57                 ao_log_single_write_data.telescience.tick = ao_time();
  58                 ao_log_single_write_data.telescience.adc[0] = ao_companion_command.serial;
  59                 ao_log_single_write_data.telescience.adc[1] = ao_companion_command.flight;
  60                 ao_log_telescience_csum();
  61                 ao_log_single_write();
  62                 /* Write the whole contents of the ring to the log
  63                  * when starting up.
  64                  */
  65                 ao_log_data_pos = ao_data_ring_next(ao_data_head);
  66                 ao_log_single_write_data.telescience.type = AO_LOG_TELESCIENCE_DATA;
  67                 while (ao_log_running) {
  68                         /* Write samples to EEPROM */
  69                         while (ao_log_data_pos != ao_data_head) {
  70                                 ao_log_single_write_data.telescience.tick = ao_data_ring[ao_log_data_pos].tick;
  71                                 memcpy(&ao_log_single_write_data.telescience.adc, (void *) ao_data_ring[ao_log_data_pos].adc.adc,
  72                                        AO_LOG_TELESCIENCE_NUM_ADC * sizeof (uint16_t));
  73                                 ao_log_telescience_csum();
  74                                 ao_log_single_write();
  75                                 ao_log_data_pos = ao_data_ring_next(ao_log_data_pos);
  76                         }
  77                         /* Wait for more ADC data to arrive */
  78                         ao_sleep((void *) &ao_data_head);
  79                 }
  80                 memset(&ao_log_single_write_data.telescience.adc, '\0', sizeof (ao_log_single_write_data.telescience.adc));
  81         }
  82 }
  83
  84 void
  85 ao_log_single_list(void)
  86 {
  87         uint32_t        pos;
  88         uint32_t        start = 0;
  89         uint8_t         flight = 0;
  90
  91         for (pos = 0; ; pos += sizeof (struct ao_log_telescience)) {
  92                 if (pos >= ao_storage_config ||
  93                     !ao_log_single_read(pos) ||
  94                     ao_log_single_read_data.telescience.type == AO_LOG_TELESCIENCE_START)
  95                 {
  96                         if (pos != start) {
  97                                 printf("flight %d start %x end %x\n",
  98                                        flight,
  99                                        (uint16_t) (start >> 8),
 100                                        (uint16_t) ((pos + 0xff) >> 8)); flush();
 101                         }
 102                         if (ao_log_single_read_data.telescience.type != AO_LOG_TELESCIENCE_START)
 103                                 break;
 104                         start = pos;
 105                         flight++;
 106                 }
 107         }
 108         printf ("done\n");
 109 }
 110
 111 void
 112 ao_log_single_extra_query(void)
 113 {
 114         printf("log data tick: %04x\n", ao_log_single_write_data.telescience.tick);
 115         printf("TM data tick: %04x\n", ao_log_single_write_data.telescience.tm_tick);
 116         printf("TM state: %d\n", ao_log_single_write_data.telescience.tm_state);
 117         printf("TM serial: %d\n", ao_companion_command.serial);
 118         printf("TM flight: %d\n", ao_companion_command.flight);
 119 }