diff options
Diffstat (limited to 'ao_ignite.c')
| -rw-r--r-- | ao_ignite.c | 186 |
1 files changed, 0 insertions, 186 deletions
diff --git a/ao_ignite.c b/ao_ignite.c deleted file mode 100644 index be291523..00000000 --- a/ao_ignite.c +++ /dev/null @@ -1,186 +0,0 @@ -/* - * Copyright © 2009 Keith Packard <keithp@keithp.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - */ - -#include "ao.h" - -#define AO_IGNITER_DROGUE P2_3 -#define AO_IGNITER_MAIN P2_4 -#define AO_IGNITER_DIR P2DIR -#define AO_IGNITER_DROGUE_BIT (1 << 3) -#define AO_IGNITER_MAIN_BIT (1 << 4) - -/* test these values with real igniters */ -#define AO_IGNITER_OPEN 1000 -#define AO_IGNITER_CLOSED 7000 -#define AO_IGNITER_FIRE_TIME AO_MS_TO_TICKS(500) -#define AO_IGNITER_CHARGE_TIME AO_MS_TO_TICKS(2000) - -struct ao_ignition { - uint8_t request; - uint8_t fired; - uint8_t firing; -}; - -__xdata struct ao_ignition ao_ignition[2]; - -void -ao_ignite(enum ao_igniter igniter) __critical -{ - ao_ignition[igniter].request = 1; - ao_wakeup(&ao_ignition[0]); -} - -enum ao_igniter_status -ao_igniter_status(enum ao_igniter igniter) -{ - __xdata struct ao_adc adc; - __xdata int16_t value; - __xdata uint8_t request, firing, fired; - - __critical { - ao_adc_sleep(); - ao_adc_get(&adc); - request = ao_ignition[igniter].request; - fired = ao_ignition[igniter].fired; - firing = ao_ignition[igniter].firing; - } - if (firing || (request && !fired)) - return ao_igniter_active; - - value = (AO_IGNITER_CLOSED>>1); - switch (igniter) { - case ao_igniter_drogue: - value = adc.sense_d; - break; - case ao_igniter_main: - value = adc.sense_m; - break; - } - if (value < AO_IGNITER_OPEN) - return ao_igniter_open; - else if (value > AO_IGNITER_CLOSED) - return ao_igniter_ready; - else - return ao_igniter_unknown; -} - -void -ao_igniter_fire(enum ao_igniter igniter) __critical -{ - ao_ignition[igniter].firing = 1; - switch (igniter) { - case ao_igniter_drogue: - AO_IGNITER_DROGUE = 1; - ao_delay(AO_IGNITER_FIRE_TIME); - AO_IGNITER_DROGUE = 0; - break; - case ao_igniter_main: - AO_IGNITER_MAIN = 1; - ao_delay(AO_IGNITER_FIRE_TIME); - AO_IGNITER_MAIN = 0; - break; - } - ao_ignition[igniter].firing = 0; -} - -void -ao_igniter(void) -{ - __xdata enum ao_ignter igniter; - __xdata enum ao_igniter_status status; - - for (;;) { - ao_sleep(&ao_ignition); - for (igniter = ao_igniter_drogue; igniter <= ao_igniter_main; igniter++) { - if (ao_ignition[igniter].request && !ao_ignition[igniter].fired) { - ao_igniter_fire(igniter); - ao_delay(AO_IGNITER_CHARGE_TIME); - status = ao_igniter_status(igniter); - if (status == ao_igniter_open) - ao_ignition[igniter].fired = 1; - } - } - } -} - -static uint8_t -ao_match_word(__code char *word) -{ - while (*word) { - if (ao_cmd_lex_c != *word) { - ao_cmd_status = ao_cmd_syntax_error; - return 0; - } - word++; - ao_cmd_lex(); - } - return 1; -} - -void -ao_ignite_manual(void) -{ - ao_cmd_white(); - if (!ao_match_word("DoIt")) - return; - ao_cmd_white(); - if (ao_cmd_lex_c == 'm') { - if(ao_match_word("main")) - ao_igniter_fire(ao_igniter_main); - } else { - if(ao_match_word("drogue")) - ao_igniter_fire(ao_igniter_drogue); - } -} - -static __code char *igniter_status_names[] = { - "unknown", "ready", "active", "open" -}; - -void -ao_ignite_print_status(enum ao_igniter igniter, __code char *name) __reentrant -{ - enum ao_igniter_status status = ao_igniter_status(igniter); - printf("Igniter: %6s Status: %s\n", - name, - igniter_status_names[status]); -} - -void -ao_ignite_test(void) -{ - ao_ignite_print_status(ao_igniter_drogue, "drogue"); - ao_ignite_print_status(ao_igniter_main, "main"); -} - -__code struct ao_cmds ao_ignite_cmds[] = { - { 'i', ao_ignite_manual, "i <key> {main|drogue} Fire igniter. <key> is doit with D&I" }, - { 't', ao_ignite_test, "t Test igniter continuity" }, - { 0, ao_ignite_manual, NULL }, -}; - -__xdata struct ao_task ao_igniter_task; - -void -ao_igniter_init(void) -{ - AO_IGNITER_DROGUE = 0; - AO_IGNITER_MAIN = 0; - AO_IGNITER_DIR |= AO_IGNITER_DROGUE_BIT | AO_IGNITER_MAIN_BIT; - ao_cmd_register(&ao_ignite_cmds[0]); - ao_add_task(&ao_igniter_task, ao_igniter, "igniter"); -} |