2 * Copyright © 2009 Keith Packard <keithp@keithp.com>
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.
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.
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.
21 #define AO_IGNITER_DROGUE P2_3
22 #define AO_IGNITER_MAIN P2_4
23 #define AO_IGNITER_DIR P2DIR
24 #define AO_IGNITER_DROGUE_BIT (1 << 3)
25 #define AO_IGNITER_MAIN_BIT (1 << 4)
29 #define AO_IGNITER_DROGUE P0_5
30 #define AO_IGNITER_MAIN P0_4
31 #define AO_IGNITER_DIR P0DIR
32 #define AO_IGNITER_DROGUE_BIT (1 << 5)
33 #define AO_IGNITER_MAIN_BIT (1 << 4)
36 /* test these values with real igniters */
37 #define AO_IGNITER_OPEN 1000
38 #define AO_IGNITER_CLOSED 7000
39 #define AO_IGNITER_FIRE_TIME AO_MS_TO_TICKS(50)
40 #define AO_IGNITER_CHARGE_TIME AO_MS_TO_TICKS(2000)
48 __xdata struct ao_ignition ao_ignition[2];
51 ao_ignite(enum ao_igniter igniter) __critical
53 ao_ignition[igniter].request = 1;
54 ao_wakeup(&ao_ignition);
57 enum ao_igniter_status
58 ao_igniter_status(enum ao_igniter igniter)
60 __xdata struct ao_adc adc;
61 __pdata int16_t value;
62 __pdata uint8_t request, firing, fired;
66 request = ao_ignition[igniter].request;
67 fired = ao_ignition[igniter].fired;
68 firing = ao_ignition[igniter].firing;
70 if (firing || (request && !fired))
71 return ao_igniter_active;
73 value = (AO_IGNITER_CLOSED>>1);
75 case ao_igniter_drogue:
82 if (value < AO_IGNITER_OPEN)
83 return ao_igniter_open;
84 else if (value > AO_IGNITER_CLOSED)
85 return ao_igniter_ready;
87 return ao_igniter_unknown;
91 ao_igniter_fire(enum ao_igniter igniter) __critical
93 ao_mutex_get(&ao_radio_mutex);
94 ao_ignition[igniter].firing = 1;
95 switch(ao_config.ignite_mode) {
96 case AO_IGNITE_MODE_DUAL:
98 case ao_igniter_drogue:
99 AO_IGNITER_DROGUE = 1;
100 ao_delay(AO_IGNITER_FIRE_TIME);
101 AO_IGNITER_DROGUE = 0;
103 case ao_igniter_main:
105 ao_delay(AO_IGNITER_FIRE_TIME);
110 case AO_IGNITE_MODE_APOGEE:
112 case ao_igniter_drogue:
113 AO_IGNITER_DROGUE = 1;
114 ao_delay(AO_IGNITER_FIRE_TIME);
115 AO_IGNITER_DROGUE = 0;
116 ao_delay(AO_IGNITER_CHARGE_TIME);
118 ao_delay(AO_IGNITER_FIRE_TIME);
123 case AO_IGNITE_MODE_MAIN:
125 case ao_igniter_main:
126 AO_IGNITER_DROGUE = 1;
127 ao_delay(AO_IGNITER_FIRE_TIME);
128 AO_IGNITER_DROGUE = 0;
129 ao_delay(AO_IGNITER_CHARGE_TIME);
131 ao_delay(AO_IGNITER_FIRE_TIME);
137 ao_ignition[igniter].firing = 0;
138 ao_mutex_put(&ao_radio_mutex);
144 __xdata enum ao_ignter igniter;
148 ao_sleep(&ao_ignition);
149 for (igniter = ao_igniter_drogue; igniter <= ao_igniter_main; igniter++) {
150 if (ao_ignition[igniter].request && !ao_ignition[igniter].fired) {
151 if (igniter == ao_igniter_drogue && ao_config.apogee_delay)
152 ao_delay(AO_SEC_TO_TICKS(ao_config.apogee_delay));
154 ao_igniter_fire(igniter);
155 ao_delay(AO_IGNITER_CHARGE_TIME);
156 ao_ignition[igniter].fired = 1;
163 ao_ignite_manual(void)
166 if (!ao_match_word("DoIt"))
169 if (ao_cmd_lex_c == 'm') {
170 if(ao_match_word("main"))
171 ao_igniter_fire(ao_igniter_main);
173 if(ao_match_word("drogue"))
174 ao_igniter_fire(ao_igniter_drogue);
178 static __code char * __code igniter_status_names[] = {
179 "unknown", "ready", "active", "open"
183 ao_ignite_print_status(enum ao_igniter igniter, __code char *name) __reentrant
185 enum ao_igniter_status status = ao_igniter_status(igniter);
186 printf("Igniter: %6s Status: %s\n",
188 igniter_status_names[status]);
194 ao_ignite_print_status(ao_igniter_drogue, "drogue");
195 ao_ignite_print_status(ao_igniter_main, "main");
198 __code struct ao_cmds ao_ignite_cmds[] = {
199 { ao_ignite_manual, "i <key> {main|drogue}\0Fire igniter. <key> is doit with D&I" },
200 { ao_ignite_test, "t\0Test igniter" },
204 __xdata struct ao_task ao_igniter_task;
207 ao_ignite_set_pins(void)
209 AO_IGNITER_DROGUE = 0;
211 AO_IGNITER_DIR |= AO_IGNITER_DROGUE_BIT | AO_IGNITER_MAIN_BIT;
215 ao_igniter_init(void)
217 ao_ignite_set_pins();
218 ao_cmd_register(&ao_ignite_cmds[0]);
219 ao_add_task(&ao_igniter_task, ao_igniter, "igniter");