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   1 /*
   2  * Copyright © 2009 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
  20 __xdata uint8_t ao_monitoring;
  21 __pdata uint8_t ao_monitor_led;
  22
  23 void
  24 ao_monitor(void)
  25 {
  26         __xdata struct ao_telemetry_recv recv;
  27         __xdata char callsign[AO_MAX_CALLSIGN+1];
  28         uint8_t state;
  29         int16_t rssi;
  30
  31         for (;;) {
  32                 __critical while (!ao_monitoring)
  33                         ao_sleep(&ao_monitoring);
  34                 if (!ao_radio_recv(&recv, sizeof (recv)))
  35                         continue;
  36                 state = recv.telemetry.flight_state;
  37
  38                 /* Typical RSSI offset for 38.4kBaud at 433 MHz is 74 */
  39                 rssi = (int16_t) (recv.rssi >> 1) - 74;
  40                 memcpy(callsign, recv.telemetry.callsign, AO_MAX_CALLSIGN);
  41                 if (state > ao_flight_invalid)
  42                         state = ao_flight_invalid;
  43                 if (recv.status & PKT_APPEND_STATUS_1_CRC_OK) {
  44                         printf("VERSION %d CALL %s SERIAL %d FLIGHT %5u RSSI %4d STATUS %02x STATE %7s ",
  45                                AO_TELEMETRY_VERSION,
  46                                callsign,
  47                                recv.telemetry.serial,
  48                                recv.telemetry.flight,
  49                                rssi, recv.status,
  50                                ao_state_names[state]);
  51                         printf("%5u a: %5d p: %5d t: %5d v: %5d d: %5d m: %5d "
  52                                "fa: %5d ga: %d fv: %7ld fp: %5d gp: %5d a+: %5d a-: %5d ",
  53                                recv.telemetry.adc.tick,
  54                                recv.telemetry.adc.accel,
  55                                recv.telemetry.adc.pres,
  56                                recv.telemetry.adc.temp,
  57                                recv.telemetry.adc.v_batt,
  58                                recv.telemetry.adc.sense_d,
  59                                recv.telemetry.adc.sense_m,
  60                                recv.telemetry.flight_accel,
  61                                recv.telemetry.ground_accel,
  62                                recv.telemetry.flight_vel,
  63                                recv.telemetry.flight_pres,
  64                                recv.telemetry.ground_pres,
  65                                recv.telemetry.accel_plus_g,
  66                                recv.telemetry.accel_minus_g);
  67                         ao_gps_print(&recv.telemetry.gps);
  68                         putchar(' ');
  69                         ao_gps_tracking_print(&recv.telemetry.gps_tracking);
  70                         putchar('\n');
  71                         ao_rssi_set(rssi);
  72                 } else {
  73                         printf("CRC INVALID RSSI %3d\n", rssi);
  74                 }
  75                 ao_usb_flush();
  76                 ao_led_toggle(ao_monitor_led);
  77         }
  78 }
  79
  80 __xdata struct ao_task ao_monitor_task;
  81
  82 void
  83 ao_set_monitor(uint8_t monitoring)
  84 {
  85         ao_monitoring = monitoring;
  86         ao_wakeup(&ao_monitoring);
  87         if (!ao_monitoring)
  88                 ao_radio_recv_abort();
  89 }
  90
  91 static void
  92 set_monitor(void)
  93 {
  94         ao_cmd_hex();
  95         ao_set_monitor(ao_cmd_lex_i != 0);
  96 }
  97
  98 __code struct ao_cmds ao_monitor_cmds[] = {
  99         { set_monitor,  "m <0 off, 1 on>\0Enable/disable radio monitoring" },
 100         { 0,    NULL },
 101 };
 102
 103 void
 104 ao_monitor_init(uint8_t monitor_led, uint8_t monitoring) __reentrant
 105 {
 106         ao_monitor_led = monitor_led;
 107         ao_monitoring = monitoring;
 108         ao_cmd_register(&ao_monitor_cmds[0]);
 109         ao_add_task(&ao_monitor_task, ao_monitor, "monitor");
 110 }