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