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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_lco_func.h>
  22 #include <ao_radio_cmac.h>
  23
  24 #define DEBUG   1
  25
  26 #if DEBUG
  27 static uint8_t  ao_lco_debug;
  28 #define DEBUG_EVENT     1
  29 #define DEBUG_STATUS    2
  30 #define PRINTD(l, ...) do { if (!(ao_lco_debug & l)) break; printf ("\r%5u %s: ", ao_tick_count, __func__); printf(__VA_ARGS__); flush(); } while(0)
  31 #else
  32 #define PRINTD(l,...)
  33 #endif
  34
  35 #define AO_LCO_VALID_LAST       1
  36 #define AO_LCO_VALID_EVER       2
  37
  38 static uint8_t  ao_lco_selected;
  39 static uint8_t  ao_lco_valid;
  40 static uint8_t  ao_lco_channels;
  41 static uint16_t ao_lco_tick_offset;
  42
  43 /* UI values */
  44 static uint8_t  ao_lco_armed;
  45 static uint8_t  ao_lco_firing;
  46 static uint8_t  ao_lco_fire_down;
  47
  48 #define ao_lco_box      (ao_config.pad_box)
  49
  50 static struct ao_pad_query      ao_pad_query;
  51
  52 #define MASK_SIZE(n)    (((n) + 7) >> 3)
  53 #define MASK_ID(n)      ((n) >> 3)
  54 #define MASK_SHIFT(n)   ((n) & 7)
  55
  56 static void
  57 ao_lco_set_armed(int pad, int armed)
  58 {
  59         uint8_t bit = (1 << pad);
  60
  61         if (armed) {
  62                 ao_lco_selected |= bit;
  63                 ao_lco_armed |= bit;
  64         } else {
  65                 ao_lco_selected &= ~bit;
  66                 ao_lco_armed &= ~bit;
  67         }
  68         PRINTD(DEBUG_EVENT, "pad %d bit 0x%x armed %d ao_lco_selected 0x%x ao_lco_armed 0x%x\n",
  69                pad, bit, armed, ao_lco_selected, ao_lco_armed);
  70         ao_wakeup(&ao_lco_armed);
  71 }
  72
  73 static void
  74 ao_lco_input(void)
  75 {
  76         static struct ao_event  event;
  77
  78         for (;;) {
  79                 ao_event_get(&event);
  80                 PRINTD(DEBUG_EVENT, "event type %d unit %d value %d\n",
  81                        event.type, event.unit, event.value);
  82                 switch (event.type) {
  83                 case AO_EVENT_BUTTON:
  84                         switch (event.unit) {
  85                         case AO_BUTTON_ARM_0:
  86                                 ao_lco_set_armed(0, event.value);
  87                                 break;
  88 #if AO_BUTTON_ARM_NUM > 1
  89                         case AO_BUTTON_ARM_1:
  90                                 ao_lco_set_armed(1, event.value);
  91                                 break;
  92 #endif
  93                         case AO_BUTTON_FIRE:
  94                                 if (ao_lco_armed) {
  95                                         ao_lco_fire_down = 0;
  96                                         ao_lco_firing = event.value;
  97                                         PRINTD(DEBUG_EVENT, "Firing %d\n", ao_lco_firing);
  98                                         ao_wakeup(&ao_lco_armed);
  99                                 }
 100                                 break;
 101                         }
 102                         break;
 103                 }
 104         }
 105 }
 106
 107 static AO_LED_TYPE      continuity_led[AO_LED_CONTINUITY_NUM] = {
 108 #ifdef AO_LED_CONTINUITY_0
 109         AO_LED_CONTINUITY_0,
 110 #endif
 111 #ifdef AO_LED_CONTINUITY_1
 112         AO_LED_CONTINUITY_1,
 113 #endif
 114 #ifdef AO_LED_CONTINUITY_2
 115         AO_LED_CONTINUITY_2,
 116 #endif
 117 #ifdef AO_LED_CONTINUITY_3
 118         AO_LED_CONTINUITY_3,
 119 #endif
 120 #ifdef AO_LED_CONTINUITY_4
 121         AO_LED_CONTINUITY_4,
 122 #endif
 123 #ifdef AO_LED_CONTINUITY_5
 124         AO_LED_CONTINUITY_5,
 125 #endif
 126 #ifdef AO_LED_CONTINUITY_6
 127         AO_LED_CONTINUITY_6,
 128 #endif
 129 #ifdef AO_LED_CONTINUITY_7
 130         AO_LED_CONTINUITY_7,
 131 #endif
 132 };
 133
 134 static uint8_t
 135 ao_lco_get_channels(void)
 136 {
 137         int8_t                  r;
 138
 139         r = ao_lco_query(ao_lco_box, &ao_pad_query, &ao_lco_tick_offset);
 140         if (r == AO_RADIO_CMAC_OK) {
 141                 ao_lco_channels = ao_pad_query.channels;
 142                 ao_lco_valid = AO_LCO_VALID_LAST | AO_LCO_VALID_EVER;
 143         } else
 144                 ao_lco_valid &= ~AO_LCO_VALID_LAST;
 145         PRINTD(DEBUG_STATUS, "ao_lco_get_channels() rssi %d valid %d ret %d offset %d\n", ao_radio_cmac_rssi, ao_lco_valid, r, ao_lco_tick_offset);
 146         ao_wakeup(&ao_pad_query);
 147         return ao_lco_valid;
 148 }
 149
 150 static void
 151 ao_lco_igniter_status(void)
 152 {
 153         uint8_t         c;
 154         uint8_t         t = 0;
 155
 156         for (;;) {
 157                 ao_sleep(&ao_pad_query);
 158                 PRINTD(DEBUG_STATUS, "RSSI %d VALID %d\n", ao_radio_cmac_rssi, ao_lco_valid);
 159                 if (!(ao_lco_valid & AO_LCO_VALID_LAST)) {
 160                         ao_led_on(AO_LED_RED);
 161                         ao_led_off(AO_LED_GREEN|AO_LED_AMBER);
 162                         continue;
 163                 }
 164                 if (ao_radio_cmac_rssi < -90) {
 165                         ao_led_on(AO_LED_AMBER);
 166                         ao_led_off(AO_LED_RED|AO_LED_GREEN);
 167                 } else {
 168                         ao_led_on(AO_LED_GREEN);
 169                         ao_led_off(AO_LED_RED|AO_LED_AMBER);
 170                 }
 171                 if (ao_pad_query.arm_status)
 172                         ao_led_on(AO_LED_REMOTE_ARM);
 173                 else
 174                         ao_led_off(AO_LED_REMOTE_ARM);
 175
 176                 for (c = 0; c < AO_LED_CONTINUITY_NUM; c++) {
 177                         uint8_t status;
 178
 179                         if (ao_pad_query.channels & (1 << c))
 180                                 status = ao_pad_query.igniter_status[c];
 181                         else
 182                                 status = AO_PAD_IGNITER_STATUS_NO_IGNITER_RELAY_OPEN;
 183                         PRINTD(DEBUG_STATUS, "\tchannel %d status %d\n", c, status);
 184                         if (status == AO_PAD_IGNITER_STATUS_GOOD_IGNITER_RELAY_OPEN)
 185                                 ao_led_on(continuity_led[c]);
 186                         else
 187                                 ao_led_off(continuity_led[c]);
 188                 }
 189                 t = 1-t;
 190         }
 191 }
 192
 193 static void
 194 ao_lco_arm_warn(void)
 195 {
 196         int     i;
 197         for (;;) {
 198                 while (!ao_lco_armed)
 199                         ao_sleep(&ao_lco_armed);
 200                 for (i = 0; i < ao_lco_armed; i++) {
 201                         ao_beep_for(AO_BEEP_MID, AO_MS_TO_TICKS(100));
 202                         ao_delay(AO_MS_TO_TICKS(100));
 203                 }
 204                 ao_delay(AO_MS_TO_TICKS(300));
 205         }
 206 }
 207
 208 static struct ao_task ao_lco_input_task;
 209 static struct ao_task ao_lco_monitor_task;
 210 static struct ao_task ao_lco_arm_warn_task;
 211 static struct ao_task ao_lco_igniter_status_task;
 212
 213 static void
 214 ao_lco_monitor(void)
 215 {
 216         uint16_t                delay;
 217
 218         ao_add_task(&ao_lco_input_task, ao_lco_input, "lco input");
 219         ao_add_task(&ao_lco_arm_warn_task, ao_lco_arm_warn, "lco arm warn");
 220         ao_add_task(&ao_lco_igniter_status_task, ao_lco_igniter_status, "lco igniter status");
 221         ao_beep_for(AO_BEEP_MID, AO_MS_TO_TICKS(200));
 222         for (;;) {
 223                 PRINTD(DEBUG_STATUS, "monitor armed %d firing %d\n",
 224                        ao_lco_armed, ao_lco_firing);
 225
 226                 if (ao_lco_armed && ao_lco_firing) {
 227                         ao_lco_ignite();
 228                 } else {
 229                         ao_lco_get_channels();
 230                         if (ao_lco_armed) {
 231                                 if (ao_lco_selected) {
 232                                         PRINTD(DEBUG_STATUS, "Arming pads %x\n",
 233                                                ao_lco_selected);
 234                                         if (ao_lco_valid & AO_LCO_VALID_EVER) {
 235                                                 ao_lco_arm(ao_lco_box, ao_lco_selected, ao_lco_tick_offset);
 236                                                 ao_delay(AO_MS_TO_TICKS(10));
 237                                         }
 238                                 }
 239                         }
 240                 }
 241                 if (ao_lco_armed && ao_lco_firing)
 242                         delay = AO_MS_TO_TICKS(100);
 243                 else
 244                         delay = AO_SEC_TO_TICKS(1);
 245                 ao_sleep_for(&ao_lco_armed, delay);
 246         }
 247 }
 248
 249 #if DEBUG
 250 void
 251 ao_lco_set_debug(void)
 252 {
 253         ao_cmd_decimal();
 254         if (ao_cmd_status == ao_cmd_success)
 255                 ao_lco_debug = ao_cmd_lex_i;
 256 }
 257
 258 __code struct ao_cmds ao_lco_cmds[] = {
 259         { ao_lco_set_debug,     "D <0 off, 1 on>\0Debug" },
 260         { 0, NULL }
 261 };
 262 #endif
 263
 264 void
 265 ao_lco_init(void)
 266 {
 267         ao_add_task(&ao_lco_monitor_task, ao_lco_monitor, "lco monitor");
 268 #if DEBUG
 269         ao_cmd_register(&ao_lco_cmds[0]);
 270 #endif
 271 }