altos: Implement remote launch protocol
[fw/altos] / src / ao_launch.c
index 4870869e8d248fb147a256830e93da671a4a4900..6c15471928e3fc7c85227c8f0f566b856c662115 100644 (file)
 
 #include "ao.h"
 
+__xdata uint16_t ao_launch_ignite;
+
+static void
+ao_launch_run(void)
+{
+       for (;;) {
+               while (!ao_launch_ignite)
+                       ao_sleep(&ao_launch_ignite);
+               while (ao_launch_ignite) {
+                       ao_launch_ignite = 0;
+
+                       ao_ignition[ao_igniter_drogue].firing = 1;
+                       ao_ignition[ao_igniter_main].firing = 1;
+                       AO_IGNITER_DROGUE = 1;
+                       ao_delay(AO_MS_TO_TICKS(500));
+                       AO_IGNITER_DROGUE = 0;
+                       ao_ignition[ao_igniter_drogue].firing = 0;
+                       ao_ignition[ao_igniter_main].firing = 0;
+               }
+       }
+}
+
+static void
+ao_launch_status(void)
+{
+       uint8_t i;
+       for (;;) {
+               ao_delay(AO_SEC_TO_TICKS(1));
+               if (ao_igniter_status(ao_igniter_drogue) == ao_igniter_ready) {
+                       if (ao_igniter_status(ao_igniter_main) == ao_igniter_ready) {
+                               for (i = 0; i < 5; i++) {
+                                       ao_beep_for(AO_BEEP_MID, AO_MS_TO_TICKS(50));
+                                       ao_delay(AO_MS_TO_TICKS(100));
+                               }
+                       } else {
+                               ao_beep_for(AO_BEEP_MID, AO_MS_TO_TICKS(200));
+                       }
+               }
+       }
+}
+
+static __pdata uint8_t ao_launch_armed;
+static __pdata uint16_t        ao_launch_arm_time;
+
 static void
 ao_launch(void)
 {
-       enum    ao_igniter_status       arm_status, ignite_status;
+       static __xdata struct ao_launch_command command;
+       static __xdata struct ao_launch_query   query;
+       int16_t time_difference;
 
        ao_led_off(AO_LED_RED);
        ao_beep_for(AO_BEEP_MID, AO_MS_TO_TICKS(200));
        for (;;) {
-               arm_status = ao_igniter_status(ao_igniter_drogue);
+               if (ao_radio_cmac_recv(&command, sizeof (command), 0) != AO_RADIO_CMAC_OK)
+                       continue;
+               
+               printf ("tick %d serial %d cmd %d channel %d\n",
+                       command.tick, command.serial, command.cmd, command.channel);
+
+               if (command.serial != ao_serial_number) {
+                       printf ("serial number mismatch\n");
+                       continue;
+               }
 
-               switch (arm_status) {
-               case ao_igniter_unknown:
+               switch (command.cmd) {
+               case AO_LAUNCH_QUERY:
+                       if (command.channel == 0) {
+                               query.valid = 1;
+                               query.arm_status = ao_igniter_status(ao_igniter_drogue);
+                               query.igniter_status = ao_igniter_status(ao_igniter_main);
+                       } else {
+                               query.valid = 0;
+                       }
+                       query.tick = ao_time();
+                       query.serial = ao_serial_number;
+                       query.channel = command.channel;
+                       printf ("query tick %d serial %d channel %d valid %d arm %d igniter %d\n",
+                               query.tick, query.serial, query.channel, query.valid, query.arm_status,
+                               query.igniter_status);
+                       ao_radio_cmac_send(&query, sizeof (query));
                        break;
-               case ao_igniter_active:
-               case ao_igniter_open:
+               case AO_LAUNCH_ARM:
+                       if (command.channel != 0)
+                               break;
+                       time_difference = command.tick - ao_time();
+                       printf ("arm tick %d local tick %d\n", command.tick, ao_time());
+                       if (time_difference < 0)
+                               time_difference = -time_difference;
+                       if (time_difference > 10) {
+                               printf ("time difference too large %d\n", time_difference);
+                               break;
+                       }
+                       printf ("armed\n");
+                       ao_launch_armed = 1;
+                       ao_launch_arm_time = ao_time();
                        break;
-               case ao_igniter_ready:
-                       ignite_status = ao_igniter_status(ao_igniter_main);
-                       switch (ignite_status) {
-                       case ao_igniter_unknown:
-                               /* some kind of failure signal here */
+               case AO_LAUNCH_FIRE:
+                       if (command.channel != 0)
                                break;
-                       case ao_igniter_active:
+                       if (!ao_launch_armed) {
+                               printf ("not armed\n");
                                break;
-                       case ao_igniter_open:
+                       }
+                       if ((uint16_t) (ao_launch_arm_time - ao_time()) > AO_SEC_TO_TICKS(20)) {
+                               printf ("late launch arm_time %d time %d\n",
+                                       ao_launch_arm_time, ao_time());
+                               break;
+                       }
+                       time_difference = command.tick - ao_time();
+                       if (time_difference < 0)
+                               time_difference = -time_difference;
+                       if (time_difference > 10) {
+                               printf ("time different too large %d\n", time_difference);
                                break;
                        }
+                       printf ("ignite\n");
+                       ao_launch_ignite = 1;
+                       ao_wakeup(&ao_launch_ignite);
                        break;
                }
-               ao_delay(AO_SEC_TO_TICKS(1));
        }
 }
 
+void
+ao_launch_test(void)
+{
+       switch (ao_igniter_status(ao_igniter_drogue)) {
+       case ao_igniter_ready:
+       case ao_igniter_active:
+               printf ("Armed: ");
+               switch (ao_igniter_status(ao_igniter_main)) {
+               default:
+                       printf("unknown status\n");
+                       break;
+               case ao_igniter_ready:
+                       printf("igniter good\n");
+                       break;
+               case ao_igniter_open:
+                       printf("igniter bad\n");
+                       break;
+               }
+               break;
+       default:
+               printf("Disarmed\n");
+       }
+}
+
+void
+ao_launch_manual(void)
+{
+       ao_cmd_white();
+       if (!ao_match_word("DoIt"))
+               return;
+       ao_cmd_white();
+       ao_launch_ignite = 1;
+       ao_wakeup(&ao_launch_ignite);
+}
+
 static __xdata struct ao_task ao_launch_task;
+static __xdata struct ao_task ao_launch_ignite_task;
+static __xdata struct ao_task ao_launch_status_task;
+
+__code struct ao_cmds ao_launch_cmds[] = {
+       { ao_launch_test,       "t\0Test launch continuity" },
+       { ao_launch_manual,     "i <key>\0Fire igniter. <key> is doit with D&I" },
+       { 0, NULL }
+};
 
 void
 ao_launch_init(void)
 {
-       ao_add_task(&ao_launch_task, ao_launch, "launch status");
+       AO_IGNITER_DROGUE = 0;
+       AO_IGNITER_MAIN = 0;
+       AO_IGNITER_DIR |= AO_IGNITER_DROGUE_BIT | AO_IGNITER_MAIN_BIT;
+       ao_cmd_register(&ao_launch_cmds[0]);
+       ao_add_task(&ao_launch_task, ao_launch, "launch listener");
+       ao_add_task(&ao_launch_ignite_task, ao_launch_run, "launch igniter");
+       ao_add_task(&ao_launch_status_task, ao_launch_status, "launch status");
 }