df7f865ba81e06734f54831b123c51419188a8d6
[fw/altos] / src / telelco-v0.1 / ao_lco.c
1 /*
2  * Copyright © 2012 Keith Packard <keithp@keithp.com>
3  *
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.
7  *
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.
12  *
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.
16  */
17
18 #include <ao.h>
19 #include <ao_lco.h>
20 #include <ao_event.h>
21 #include <ao_seven_segment.h>
22 #include <ao_quadrature.h>
23 #include <ao_lco_func.h>
24 #include <ao_radio_cmac.h>
25
26 #define DEBUG   1
27
28 #if DEBUG
29 static uint8_t  ao_lco_debug;
30 #define PRINTD(...) do { if (!ao_lco_debug) break; printf ("\r%5u %s: ", ao_tick_count, __func__); printf(__VA_ARGS__); flush(); } while(0)
31 #else
32 #define PRINTD(...) 
33 #endif
34
35 #define AO_LCO_PAD_DIGIT        0
36 #define AO_LCO_BOX_DIGIT_1      1
37 #define AO_LCO_BOX_DIGIT_10     2
38
39 static uint8_t  ao_lco_min_box, ao_lco_max_box;
40 static uint8_t  ao_lco_mutex;
41 static uint8_t  ao_lco_pad;
42 static uint8_t  ao_lco_box;
43 static uint8_t  ao_lco_armed;
44 static uint8_t  ao_lco_firing;
45 static uint8_t  ao_lco_valid;
46 static uint16_t ao_lco_tick_offset;
47
48 static struct ao_pad_query      ao_pad_query;
49
50 static void
51 ao_lco_set_pad(void)
52 {
53         ao_seven_segment_set(AO_LCO_PAD_DIGIT, ao_lco_pad + 1);
54 }
55
56 static void
57 ao_lco_set_box(void)
58 {
59         ao_seven_segment_set(AO_LCO_BOX_DIGIT_1, ao_lco_box % 10);
60         ao_seven_segment_set(AO_LCO_BOX_DIGIT_10, ao_lco_box / 10);
61 }
62
63 #define MASK_SIZE(n)    (((n) + 7) >> 3)
64 #define MASK_ID(n)      ((n) >> 3)
65 #define MASK_SHIFT(n)   ((n) & 7)
66
67 static uint8_t  ao_lco_box_mask[MASK_SIZE(AO_PAD_MAX_BOXES)];
68
69 static uint8_t
70 ao_lco_box_present(uint8_t box)
71 {
72         if (box >= AO_PAD_MAX_BOXES)
73                 return 0;
74         return (ao_lco_box_mask[MASK_ID(box)] >> MASK_SHIFT(box)) & 1;
75 }
76
77 static uint8_t
78 ao_lco_pad_present(uint8_t pad)
79 {
80         if (!ao_lco_valid || !ao_pad_query.channels)
81                 return pad == 0;
82         if (pad >= AO_PAD_MAX_CHANNELS)
83                 return 0;
84         return (ao_pad_query.channels >> pad) & 1;
85 }
86
87 static uint8_t
88 ao_lco_pad_first(void)
89 {
90         uint8_t pad;
91
92         for (pad = 0; pad < AO_PAD_MAX_CHANNELS; pad++)
93                 if (ao_lco_pad_present(pad))
94                         return pad;
95         return 0;
96 }
97
98 static void
99 ao_lco_input(void)
100 {
101         static struct ao_event  event;
102         int8_t  dir, new_box, new_pad;
103
104         ao_beep_for(AO_BEEP_MID, AO_MS_TO_TICKS(200));
105         ao_lco_set_pad();
106         ao_lco_set_box();
107         for (;;) {
108                 ao_event_get(&event);
109                 PRINTD("event type %d unit %d value %d\n",
110                        event.type, event.unit, event.value);
111                 switch (event.type) {
112                 case AO_EVENT_QUADRATURE:
113                         switch (event.unit) {
114                         case AO_QUADRATURE_PAD:
115                                 if (!ao_lco_armed) {
116                                         if (event.value == ao_lco_pad)
117                                                 break;
118                                         dir = ((int8_t) event.value - (int8_t) ao_lco_pad) > 0 ? 1 : -1;
119                                         new_pad = event.value;
120                                         while (!ao_lco_pad_present(new_pad)) {
121                                                 new_pad += dir;
122                                                 if (new_pad > AO_PAD_MAX_CHANNELS)
123                                                         new_pad = 0;
124                                                 else if (new_pad < 0)
125                                                         new_pad = AO_PAD_MAX_CHANNELS - 1;
126                                                 if (new_pad == ao_lco_pad)
127                                                         break;
128                                         }
129                                         if (new_pad != ao_lco_pad) {
130                                                 ao_lco_pad = new_pad;
131                                                 ao_quadrature_count[AO_QUADRATURE_PAD] = ao_lco_pad;
132                                                 ao_lco_set_pad();
133                                         }
134                                 }
135                                 break;
136                         case AO_QUADRATURE_BOX:
137                                 if (!ao_lco_armed) {
138                                         if (event.value == ao_lco_box)
139                                                 break;
140                                         dir = ((int8_t) event.value - (int8_t) ao_lco_box) > 0 ? 1 : -1;
141                                         new_box = event.value;
142                                         while (!ao_lco_box_present(new_box)) {
143                                                 new_box += dir;
144                                                 if (new_box > ao_lco_max_box)
145                                                         new_box = ao_lco_min_box;
146                                                 else if (new_box < ao_lco_min_box)
147                                                         new_box = ao_lco_min_box;
148                                                 if (new_box == ao_lco_box)
149                                                         break;
150                                         }
151                                         ao_quadrature_count[AO_QUADRATURE_PAD] = new_box;
152                                         if (ao_lco_box != new_box) {
153                                                 ao_lco_box = new_box;
154                                                 ao_lco_valid = 0;
155                                                 ao_lco_set_box();
156                                         }
157                                 }
158                                 break;
159                         }
160                         break;
161                 case AO_EVENT_BUTTON:
162                         switch (event.unit) {
163                         case AO_BUTTON_ARM:
164                                 ao_lco_armed = event.value;
165                                 PRINTD("Armed %d\n", ao_lco_armed);
166                                 ao_wakeup(&ao_lco_armed);
167                                 break;
168                         case AO_BUTTON_FIRE:
169                                 if (ao_lco_armed) {
170                                         ao_lco_firing = event.value;
171                                         PRINTD("Firing %d\n", ao_lco_firing);
172                                         ao_wakeup(&ao_lco_armed);
173                                 }
174                                 break;
175                         }
176                         break;
177                 }
178         }
179 }
180
181 static AO_LED_TYPE      continuity_led[AO_LED_CONTINUITY_NUM] = {
182 #ifdef AO_LED_CONTINUITY_0
183         AO_LED_CONTINUITY_0,
184 #endif
185 #ifdef AO_LED_CONTINUITY_1
186         AO_LED_CONTINUITY_1,
187 #endif
188 #ifdef AO_LED_CONTINUITY_2
189         AO_LED_CONTINUITY_2,
190 #endif
191 #ifdef AO_LED_CONTINUITY_3
192         AO_LED_CONTINUITY_3,
193 #endif
194 #ifdef AO_LED_CONTINUITY_4
195         AO_LED_CONTINUITY_4,
196 #endif
197 #ifdef AO_LED_CONTINUITY_5
198         AO_LED_CONTINUITY_5,
199 #endif
200 #ifdef AO_LED_CONTINUITY_6
201         AO_LED_CONTINUITY_6,
202 #endif
203 #ifdef AO_LED_CONTINUITY_7
204         AO_LED_CONTINUITY_7,
205 #endif
206 };
207
208 static void
209 ao_lco_update(void)
210 {
211         int8_t                  r;
212         uint8_t                 c;
213
214         r = ao_lco_query(ao_lco_box, &ao_pad_query, &ao_lco_tick_offset);
215         if (r == AO_RADIO_CMAC_OK) {
216                 c = ao_lco_valid;
217                 ao_lco_valid = 1;
218                 if (!c) {
219                         ao_lco_pad = ao_lco_pad_first();
220                         ao_lco_set_pad();
221                 }
222         }
223
224 #if 0
225         PRINTD("lco_query success arm_status %d i0 %d i1 %d i2 %d i3 %d\n",
226                query.arm_status,
227                query.igniter_status[0],
228                query.igniter_status[1],
229                query.igniter_status[2],
230                query.igniter_status[3]);
231 #endif
232
233         ao_wakeup(&ao_pad_query);
234 }
235
236 static void
237 ao_lco_box_set_present(uint8_t box)
238 {
239         if (box >= AO_PAD_MAX_BOXES)
240                 return;
241         ao_lco_box_mask[MASK_ID(box)] |= 1 << MASK_SHIFT(box);
242 }
243
244 static void
245 ao_lco_search(void)
246 {
247         uint16_t        tick_offset;
248         int8_t          r;
249
250         ao_lco_min_box = 0xff;
251         ao_lco_max_box = 0x00;
252         for (ao_lco_box = 0; ao_lco_box < AO_PAD_MAX_BOXES; ao_lco_box++) {
253                 if ((ao_lco_box % 10) == 0)
254                         ao_lco_set_box();
255                 r = ao_lco_query(ao_lco_box, &ao_pad_query, &ao_lco_tick_offset);
256                 if (r == AO_RADIO_CMAC_OK) {
257                         if (ao_lco_box < ao_lco_min_box)
258                                 ao_lco_min_box = ao_lco_box;
259                         if (ao_lco_box > ao_lco_max_box)
260                                 ao_lco_max_box = ao_lco_box;
261                         ao_lco_box_set_present(ao_lco_box);
262                 }
263         }
264         if (ao_lco_min_box <= ao_lco_max_box)
265                 ao_lco_box = ao_lco_min_box;
266         else
267                 ao_lco_min_box = ao_lco_max_box = ao_lco_box = 0;
268         ao_lco_valid = 0;
269         ao_lco_pad = 0;
270 }
271
272 static void
273 ao_lco_igniter_status(void)
274 {
275         uint8_t         c;
276         uint16_t        delay;
277
278         for (;;) {
279 //              ao_alarm(delay);
280                 ao_sleep(&ao_pad_query);
281 //              ao_clear_alarm();
282                 if (!ao_lco_valid) {
283                         ao_led_on(AO_LED_RED);
284                         ao_led_off(AO_LED_GREEN);
285                         continue;
286                 }
287                 PRINTD("RSSI %d\n", ao_radio_cmac_rssi);
288                 if (ao_radio_cmac_rssi < -90)
289                         ao_led_on(AO_LED_RED|AO_LED_GREEN);
290                 else {
291                         ao_led_on(AO_LED_GREEN);
292                         ao_led_off(AO_LED_RED);
293                 }
294                 if (ao_pad_query.arm_status)
295                         ao_led_on(AO_LED_REMOTE_ARM);
296                 else
297                         ao_led_off(AO_LED_REMOTE_ARM);
298                 for (c = 0; c < AO_LED_CONTINUITY_NUM; c++) {
299                         uint8_t status;
300
301                         if (ao_pad_query.channels & (1 << c))
302                                 status = ao_pad_query.igniter_status[c];
303                         else
304                                 status = AO_PAD_IGNITER_STATUS_NO_IGNITER_RELAY_OPEN;
305                         if (status == AO_PAD_IGNITER_STATUS_GOOD_IGNITER_RELAY_OPEN)
306                                 ao_led_on(continuity_led[c]);
307                         else
308                                 ao_led_off(continuity_led[c]);
309                 }
310         }
311 }
312
313 static void
314 ao_lco_arm_warn(void)
315 {
316         for (;;) {
317                 while (!ao_lco_armed)
318                         ao_sleep(&ao_lco_armed);
319                 ao_beep_for(AO_BEEP_MID, AO_MS_TO_TICKS(200));
320                 ao_delay(AO_MS_TO_TICKS(200));
321         }
322 }
323
324 static struct ao_task ao_lco_input_task;
325 static struct ao_task ao_lco_monitor_task;
326 static struct ao_task ao_lco_arm_warn_task;
327 static struct ao_task ao_lco_igniter_status_task;
328
329 static void
330 ao_lco_monitor(void)
331 {
332         uint16_t                delay;
333
334         ao_lco_search();
335         ao_add_task(&ao_lco_input_task, ao_lco_input, "lco input");
336         ao_add_task(&ao_lco_arm_warn_task, ao_lco_arm_warn, "lco arm warn");
337         ao_add_task(&ao_lco_igniter_status_task, ao_lco_igniter_status, "lco igniter status");
338         for (;;) {
339                 PRINTD("monitor armed %d firing %d offset %d\n",
340                        ao_lco_armed, ao_lco_firing, ao_lco_tick_offset);
341
342                 if (ao_lco_armed && ao_lco_firing) {
343                         PRINTD("Firing box %d pad %d: valid %d\n",
344                                ao_lco_box, ao_lco_pad, ao_lco_valid);
345                         if (!ao_lco_valid)
346                                 ao_lco_update();
347                         if (ao_lco_valid)
348                                 ao_lco_ignite(ao_lco_box, 1 << ao_lco_pad, ao_lco_tick_offset);
349                 } else if (ao_lco_armed) {
350                         PRINTD("Arming box %d pad %d\n",
351                                ao_lco_box, ao_lco_pad);
352                         if (!ao_lco_valid)
353                                 ao_lco_update();
354                         ao_lco_arm(ao_lco_box, 1 << ao_lco_pad, ao_lco_tick_offset);
355                         ao_lco_update();
356                 } else {
357                         ao_lco_update();
358                 }
359                 if (ao_lco_armed && ao_lco_firing)
360                         delay = AO_MS_TO_TICKS(100);
361                 else
362                         delay = AO_SEC_TO_TICKS(1);
363                 ao_alarm(delay);
364                 ao_sleep(&ao_lco_armed);
365                 ao_clear_alarm();
366         }
367 }
368
369 #if DEBUG
370 void
371 ao_lco_set_debug(void)
372 {
373         ao_cmd_decimal();
374         if (ao_cmd_status == ao_cmd_success)
375                 ao_lco_debug = ao_cmd_lex_i != 0;
376 }
377
378 __code struct ao_cmds ao_lco_cmds[] = {
379         { ao_lco_set_debug,     "D <0 off, 1 on>\0Debug" },
380         { 0, NULL }
381 };
382 #endif
383
384 void
385 ao_lco_init(void)
386 {
387         ao_add_task(&ao_lco_monitor_task, ao_lco_monitor, "lco monitor");
388 #if DEBUG
389         ao_cmd_register(&ao_lco_cmds[0]);
390 #endif
391 }