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.
20 __xdata struct ao_ignition ao_ignition[2];
23 ao_ignite(enum ao_igniter igniter) __critical
25 ao_ignition[igniter].request = 1;
26 ao_wakeup(&ao_ignition);
29 enum ao_igniter_status
30 ao_igniter_status(enum ao_igniter igniter)
32 __xdata struct ao_adc adc;
33 __pdata int16_t value;
34 __pdata uint8_t request, firing, fired;
38 request = ao_ignition[igniter].request;
39 fired = ao_ignition[igniter].fired;
40 firing = ao_ignition[igniter].firing;
42 if (firing || (request && !fired))
43 return ao_igniter_active;
45 value = (AO_IGNITER_CLOSED>>1);
47 case ao_igniter_drogue:
54 if (value < AO_IGNITER_OPEN)
55 return ao_igniter_open;
56 else if (value > AO_IGNITER_CLOSED)
57 return ao_igniter_ready;
59 return ao_igniter_unknown;
63 ao_igniter_fire(enum ao_igniter igniter) __critical
65 ao_ignition[igniter].firing = 1;
66 switch(ao_config.ignite_mode) {
67 case AO_IGNITE_MODE_DUAL:
69 case ao_igniter_drogue:
70 AO_IGNITER_DROGUE = 1;
71 ao_delay(AO_IGNITER_FIRE_TIME);
72 AO_IGNITER_DROGUE = 0;
76 ao_delay(AO_IGNITER_FIRE_TIME);
81 case AO_IGNITE_MODE_APOGEE:
83 case ao_igniter_drogue:
84 AO_IGNITER_DROGUE = 1;
85 ao_delay(AO_IGNITER_FIRE_TIME);
86 AO_IGNITER_DROGUE = 0;
87 ao_delay(AO_IGNITER_CHARGE_TIME);
89 ao_delay(AO_IGNITER_FIRE_TIME);
94 case AO_IGNITE_MODE_MAIN:
97 AO_IGNITER_DROGUE = 1;
98 ao_delay(AO_IGNITER_FIRE_TIME);
99 AO_IGNITER_DROGUE = 0;
100 ao_delay(AO_IGNITER_CHARGE_TIME);
102 ao_delay(AO_IGNITER_FIRE_TIME);
108 ao_ignition[igniter].firing = 0;
114 __xdata enum ao_ignter igniter;
118 ao_sleep(&ao_ignition);
119 for (igniter = ao_igniter_drogue; igniter <= ao_igniter_main; igniter++) {
120 if (ao_ignition[igniter].request && !ao_ignition[igniter].fired) {
121 if (igniter == ao_igniter_drogue && ao_config.apogee_delay)
122 ao_delay(AO_SEC_TO_TICKS(ao_config.apogee_delay));
124 ao_igniter_fire(igniter);
125 ao_delay(AO_IGNITER_CHARGE_TIME);
126 ao_ignition[igniter].fired = 1;
133 ao_ignite_manual(void)
136 if (!ao_match_word("DoIt"))
139 if (ao_cmd_lex_c == 'm') {
140 if(ao_match_word("main"))
141 ao_igniter_fire(ao_igniter_main);
143 if(ao_match_word("drogue"))
144 ao_igniter_fire(ao_igniter_drogue);
148 static __code char * __code igniter_status_names[] = {
149 "unknown", "ready", "active", "open"
153 ao_ignite_print_status(enum ao_igniter igniter, __code char *name) __reentrant
155 enum ao_igniter_status status = ao_igniter_status(igniter);
156 printf("Igniter: %6s Status: %s\n",
158 igniter_status_names[status]);
164 ao_ignite_print_status(ao_igniter_drogue, "drogue");
165 ao_ignite_print_status(ao_igniter_main, "main");
168 __code struct ao_cmds ao_ignite_cmds[] = {
169 { ao_ignite_manual, "i <key> {main|drogue}\0Fire igniter. <key> is doit with D&I" },
170 { ao_ignite_test, "t\0Test igniter" },
174 __xdata struct ao_task ao_igniter_task;
177 ao_ignite_set_pins(void)
179 AO_IGNITER_DROGUE = 0;
181 AO_IGNITER_DIR |= AO_IGNITER_DROGUE_BIT | AO_IGNITER_MAIN_BIT;
185 ao_igniter_init(void)
187 ao_ignite_set_pins();
188 ao_cmd_register(&ao_ignite_cmds[0]);
189 ao_add_task(&ao_igniter_task, ao_igniter, "igniter");