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)
42 __xdata struct ao_ignition ao_ignition[2];
45 ao_ignite(enum ao_igniter igniter) __critical
47 ao_ignition[igniter].request = 1;
48 ao_wakeup(&ao_ignition);
51 enum ao_igniter_status
52 ao_igniter_status(enum ao_igniter igniter)
54 __xdata struct ao_adc adc;
55 __pdata int16_t value;
56 __pdata uint8_t request, firing, fired;
60 request = ao_ignition[igniter].request;
61 fired = ao_ignition[igniter].fired;
62 firing = ao_ignition[igniter].firing;
64 if (firing || (request && !fired))
65 return ao_igniter_active;
67 value = (AO_IGNITER_CLOSED>>1);
69 case ao_igniter_drogue:
76 if (value < AO_IGNITER_OPEN)
77 return ao_igniter_open;
78 else if (value > AO_IGNITER_CLOSED)
79 return ao_igniter_ready;
81 return ao_igniter_unknown;
85 ao_igniter_fire(enum ao_igniter igniter) __critical
87 ao_ignition[igniter].firing = 1;
88 switch(ao_config.ignite_mode) {
89 case AO_IGNITE_MODE_DUAL:
91 case ao_igniter_drogue:
92 AO_IGNITER_DROGUE = 1;
93 ao_delay(AO_IGNITER_FIRE_TIME);
94 AO_IGNITER_DROGUE = 0;
98 ao_delay(AO_IGNITER_FIRE_TIME);
103 case AO_IGNITE_MODE_APOGEE:
105 case ao_igniter_drogue:
106 AO_IGNITER_DROGUE = 1;
107 ao_delay(AO_IGNITER_FIRE_TIME);
108 AO_IGNITER_DROGUE = 0;
109 ao_delay(AO_IGNITER_CHARGE_TIME);
111 ao_delay(AO_IGNITER_FIRE_TIME);
116 case AO_IGNITE_MODE_MAIN:
118 case ao_igniter_main:
119 AO_IGNITER_DROGUE = 1;
120 ao_delay(AO_IGNITER_FIRE_TIME);
121 AO_IGNITER_DROGUE = 0;
122 ao_delay(AO_IGNITER_CHARGE_TIME);
124 ao_delay(AO_IGNITER_FIRE_TIME);
130 ao_ignition[igniter].firing = 0;
136 __xdata enum ao_ignter igniter;
140 ao_sleep(&ao_ignition);
141 for (igniter = ao_igniter_drogue; igniter <= ao_igniter_main; igniter++) {
142 if (ao_ignition[igniter].request && !ao_ignition[igniter].fired) {
143 if (igniter == ao_igniter_drogue && ao_config.apogee_delay)
144 ao_delay(AO_SEC_TO_TICKS(ao_config.apogee_delay));
146 ao_igniter_fire(igniter);
147 ao_delay(AO_IGNITER_CHARGE_TIME);
148 ao_ignition[igniter].fired = 1;
155 ao_ignite_manual(void)
158 if (!ao_match_word("DoIt"))
161 if (ao_cmd_lex_c == 'm') {
162 if(ao_match_word("main"))
163 ao_igniter_fire(ao_igniter_main);
165 if(ao_match_word("drogue"))
166 ao_igniter_fire(ao_igniter_drogue);
170 static __code char * __code igniter_status_names[] = {
171 "unknown", "ready", "active", "open"
175 ao_ignite_print_status(enum ao_igniter igniter, __code char *name) __reentrant
177 enum ao_igniter_status status = ao_igniter_status(igniter);
178 printf("Igniter: %6s Status: %s\n",
180 igniter_status_names[status]);
186 ao_ignite_print_status(ao_igniter_drogue, "drogue");
187 ao_ignite_print_status(ao_igniter_main, "main");
190 __code struct ao_cmds ao_ignite_cmds[] = {
191 { ao_ignite_manual, "i <key> {main|drogue}\0Fire igniter. <key> is doit with D&I" },
192 { ao_ignite_test, "t\0Test igniter" },
196 __xdata struct ao_task ao_igniter_task;
199 ao_ignite_set_pins(void)
201 AO_IGNITER_DROGUE = 0;
203 AO_IGNITER_DIR |= AO_IGNITER_DROGUE_BIT | AO_IGNITER_MAIN_BIT;
207 ao_igniter_init(void)
209 ao_ignite_set_pins();
210 ao_cmd_register(&ao_ignite_cmds[0]);
211 ao_add_task(&ao_igniter_task, ao_igniter, "igniter");