telefire: Make 'good' RSSI value configurable
[fw/altos] / src / drivers / ao_pad.c
index 21aa788d0e17a9d7b830e1e2548c73d3aae1fd4e..3ad239cced3e3c62f07545ba51277982668face2 100644 (file)
 
 #include <ao.h>
 #include <ao_pad.h>
-#include <ao_74hc497.h>
+#include <ao_74hc165.h>
+#include <ao_radio_cmac.h>
 
-__xdata uint8_t ao_pad_ignite;
+static __xdata uint8_t ao_pad_ignite;
+static __xdata struct ao_pad_command   command;
+static __xdata struct ao_pad_query     query;
+static __pdata uint8_t ao_pad_armed;
+static __pdata uint16_t        ao_pad_arm_time;
+static __pdata uint8_t ao_pad_box;
+static __xdata uint8_t ao_pad_disabled;
+static __pdata uint16_t        ao_pad_packet_time;
+
+#ifndef AO_PAD_RSSI_MINIMUM
+#define AO_PAD_RSSI_MINIMUM    -90
+#endif
+
+#define DEBUG  1
 
-#define ao_pad_igniter_status(c)       AO_PAD_IGNITER_STATUS_UNKNOWN
-#define ao_pad_arm_status()            AO_PAD_ARM_STATUS_UNKNOWN
+#if DEBUG
+static __pdata uint8_t ao_pad_debug;
+#define PRINTD(...) (ao_pad_debug ? (printf(__VA_ARGS__), 0) : 0)
+#define FLUSHD()    (ao_pad_debug ? (flush(), 0) : 0)
+#else
+#define PRINTD(...)
+#define FLUSHD()
+#endif
 
-#if 0
-#define PRINTD(...) printf(__VA_ARGS__)
+static void
+ao_siren(uint8_t v)
+{
+#ifdef AO_SIREN
+       ao_gpio_set(AO_SIREN_PORT, AO_SIREN_PIN, AO_SIREN, v);
 #else
-#define PRINTD(...) 
+       ao_beep(v ? AO_BEEP_MID : 0);
+#endif
+}
+
+static void
+ao_strobe(uint8_t v)
+{
+#ifdef AO_STROBE
+       ao_gpio_set(AO_STROBE_PORT, AO_STROBE_PIN, AO_STROBE, v);
 #endif
+}
 
 static void
 ao_pad_run(void)
 {
+       uint8_t pins;
+
        for (;;) {
                while (!ao_pad_ignite)
                        ao_sleep(&ao_pad_ignite);
                /*
                 * Actually set the pad bits
                 */
-               AO_PAD_PORT = (AO_PAD_PORT & (~AO_PAD_ALL_PINS)) | ao_pad_ignite;
+               pins = 0;
+#if AO_PAD_NUM > 0
+               if (ao_pad_ignite & (1 << 0))
+                       pins |= (1 << AO_PAD_PIN_0);
+#endif
+#if AO_PAD_NUM > 1
+               if (ao_pad_ignite & (1 << 1))
+                       pins |= (1 << AO_PAD_PIN_1);
+#endif
+#if AO_PAD_NUM > 2
+               if (ao_pad_ignite & (1 << 2))
+                       pins |= (1 << AO_PAD_PIN_2);
+#endif
+#if AO_PAD_NUM > 3
+               if (ao_pad_ignite & (1 << 3))
+                       pins |= (1 << AO_PAD_PIN_3);
+#endif
+               AO_PAD_PORT = (AO_PAD_PORT & (~AO_PAD_ALL_PINS)) | pins;
                while (ao_pad_ignite) {
                        ao_pad_ignite = 0;
+
                        ao_delay(AO_PAD_FIRE_TIME);
                }
                AO_PAD_PORT &= ~(AO_PAD_ALL_PINS);
        }
 }
 
+#define AO_PAD_ARM_SIREN_INTERVAL      200
+
 static void
-ao_pad_status(void)
+ao_pad_monitor(void)
 {
+       uint8_t                 c;
+       uint8_t                 sample;
+       __pdata uint8_t         prev = 0, cur = 0;
+       __pdata uint8_t         beeping = 0;
+       __xdata struct ao_data  *packet;
+       __pdata uint16_t        arm_beep_time = 0;
+
+       sample = ao_data_head;
        for (;;) {
-               ao_delay(AO_SEC_TO_TICKS(1));
-#if 0
-               if (ao_igniter_status(ao_igniter_drogue) == ao_igniter_ready) {
-                       if (ao_igniter_status(ao_igniter_main) == ao_igniter_ready) {
-                               for (i = 0; i < 5; i++) {
-                                       ao_beep_for(AO_BEEP_MID, AO_MS_TO_TICKS(50));
-                                       ao_delay(AO_MS_TO_TICKS(100));
-                               }
-                       } else {
-                               ao_beep_for(AO_BEEP_MID, AO_MS_TO_TICKS(200));
+               __pdata int16_t                 pyro;
+               ao_arch_critical(
+                       while (sample == ao_data_head)
+                               ao_sleep((void *) DATA_TO_XDATA(&ao_data_head));
+                       );
+
+               packet = &ao_data_ring[sample];
+               sample = ao_data_ring_next(sample);
+
+               pyro = packet->adc.pyro;
+
+#define VOLTS_TO_PYRO(x) ((int16_t) ((x) * 27.0 / 127.0 / 3.3 * 32767.0))
+
+               cur = 0;
+               if (pyro > VOLTS_TO_PYRO(10)) {
+                       query.arm_status = AO_PAD_ARM_STATUS_ARMED;
+                       cur |= AO_LED_ARMED;
+               } else if (pyro < VOLTS_TO_PYRO(5)) {
+                       query.arm_status = AO_PAD_ARM_STATUS_DISARMED;
+                       arm_beep_time = 0;
+               } else {
+                       if ((ao_time() % 100) < 50)
+                               cur |= AO_LED_ARMED;
+                       query.arm_status = AO_PAD_ARM_STATUS_UNKNOWN;
+                       arm_beep_time = 0;
+               }
+               if ((ao_time() - ao_pad_packet_time) > AO_SEC_TO_TICKS(2))
+                       cur |= AO_LED_RED;
+               else if (ao_radio_cmac_rssi < AO_PAD_RSSI_MINIMUM)
+                       cur |= AO_LED_AMBER;
+               else
+                       cur |= AO_LED_GREEN;
+
+               for (c = 0; c < AO_PAD_NUM; c++) {
+                       int16_t         sense = packet->adc.sense[c];
+                       uint8_t status = AO_PAD_IGNITER_STATUS_UNKNOWN;
+
+                       /*
+                        *      pyro is run through a divider, so pyro = v_pyro * 27 / 127 ~= v_pyro / 20
+                        *      v_pyro = pyro * 127 / 27
+                        *
+                        *              v_pyro \
+                        *      100k            igniter
+                        *              output /
+                        *      100k           \
+                        *              sense   relay
+                        *      27k            /
+                        *              gnd ---
+                        *
+                        *      If the relay is closed, then sense will be 0
+                        *      If no igniter is present, then sense will be v_pyro * 27k/227k = pyro * 127 / 227 ~= pyro/2
+                        *      If igniter is present, then sense will be v_pyro * 27k/127k ~= v_pyro / 20 = pyro
+                        */
+
+                       if (sense <= pyro / 8) {
+                               status = AO_PAD_IGNITER_STATUS_NO_IGNITER_RELAY_CLOSED;
+                               if ((ao_time() % 100) < 50)
+                                       cur |= AO_LED_CONTINUITY(c);
                        }
+                       else if (pyro / 8 * 3 <= sense && sense <= pyro / 8 * 5)
+                               status = AO_PAD_IGNITER_STATUS_NO_IGNITER_RELAY_OPEN;
+                       else if (pyro / 8 * 7 <= sense) {
+                               status = AO_PAD_IGNITER_STATUS_GOOD_IGNITER_RELAY_OPEN;
+                               cur |= AO_LED_CONTINUITY(c);
+                       }
+                       query.igniter_status[c] = status;
+               }
+               if (cur != prev) {
+                       PRINTD("change leds from %02x to %02x\n",
+                              prev, cur);
+                       FLUSHD();
+                       ao_led_set(cur);
+                       prev = cur;
+               }
+
+               if (ao_pad_armed && (int16_t) (ao_time() - ao_pad_arm_time) > AO_PAD_ARM_TIME)
+                       ao_pad_armed = 0;
+
+               if (ao_pad_armed) {
+                       ao_strobe(1);
+                       ao_siren(1);
+                       beeping = 1;
+               } else if (query.arm_status == AO_PAD_ARM_STATUS_ARMED && !beeping) {
+                       if (arm_beep_time == 0) {
+                               arm_beep_time = AO_PAD_ARM_SIREN_INTERVAL;
+                               beeping = 1;
+                               ao_siren(1);
+                       }
+                       --arm_beep_time;
+               } else if (beeping) {
+                       beeping = 0;
+                       ao_siren(0);
+                       ao_strobe(0);
                }
-#endif
        }
 }
 
-static __pdata uint8_t ao_pad_armed;
-static __pdata uint16_t        ao_pad_arm_time;
-static __pdata uint8_t ao_pad_box;
+void
+ao_pad_disable(void)
+{
+       if (!ao_pad_disabled) {
+               ao_pad_disabled = 1;
+               ao_radio_recv_abort();
+       }
+}
+
+void
+ao_pad_enable(void)
+{
+       ao_pad_disabled = 0;
+       ao_wakeup (&ao_pad_disabled);
+}
+
+#if HAS_74HC165
+static uint8_t
+ao_pad_read_box(void)
+{
+       uint8_t         byte = ao_74hc165_read();
+       uint8_t         h, l;
+
+       h = byte >> 4;
+       l = byte & 0xf;
+       return h * 10 + l;
+}
+#else
+#define ao_pad_read_box()      0
+#endif
 
 static void
 ao_pad(void)
 {
-       static __xdata struct ao_pad_command    command;
-       static __xdata struct ao_pad_query      query;
        int16_t time_difference;
-       uint8_t c;
+       int8_t  ret;
 
-       ao_led_off(AO_LED_RED);
-       ao_beep_for(AO_BEEP_MID, AO_MS_TO_TICKS(200));
-       ao_pad_box = ao_74hc497_read();
+       ao_pad_box = 0;
+       ao_led_set(0);
        for (;;) {
-               flush();
-               if (ao_radio_cmac_recv(&command, sizeof (command), 0) != AO_RADIO_CMAC_OK)
+               FLUSHD();
+               while (ao_pad_disabled)
+                       ao_sleep(&ao_pad_disabled);
+               ret = ao_radio_cmac_recv(&command, sizeof (command), 0);
+               PRINTD ("cmac_recv %d %d\n", ret, ao_radio_cmac_rssi);
+               if (ret != AO_RADIO_CMAC_OK)
                        continue;
-               
-               PRINTD ("tick %d serial %d cmd %d channel %d\n",
-                       command.tick, command.serial, command.cmd, command.channel);
+               ao_pad_packet_time = ao_time();
+
+               ao_pad_box = ao_pad_read_box();
+
+               PRINTD ("tick %d box %d (me %d) cmd %d channels %02x\n",
+                       command.tick, command.box, ao_pad_box, command.cmd, command.channels);
 
                switch (command.cmd) {
                case AO_LAUNCH_ARM:
@@ -98,7 +272,7 @@ ao_pad(void)
                                break;
                        }
 
-                       if (command.channels & ~(AO_PAD_ALL_PINS))
+                       if (command.channels & ~(AO_PAD_ALL_CHANNELS))
                                break;
 
                        time_difference = command.tick - ao_time();
@@ -123,14 +297,15 @@ ao_pad(void)
 
                        query.tick = ao_time();
                        query.box = ao_pad_box;
-                       query.channels = AO_PAD_ALL_PINS;
+                       query.channels = AO_PAD_ALL_CHANNELS;
                        query.armed = ao_pad_armed;
-                       query.arm_status = ao_pad_arm_status();
-                       for (c = 0; c < AO_PAD_NUM; c++)
-                               query.igniter_status[c] = ao_pad_igniter_status(c);
-                       PRINTD ("query tick %d serial %d channel %d valid %d arm %d igniter %d\n",
-                               query.tick, query.serial, query.channel, query.valid, query.arm_status,
-                               query.igniter_status);
+                       PRINTD ("query tick %d box %d channels %02x arm %d arm_status %d igniter %d,%d,%d,%d\n",
+                               query.tick, query.box, query.channels, query.armed,
+                               query.arm_status,
+                               query.igniter_status[0],
+                               query.igniter_status[1],
+                               query.igniter_status[2],
+                               query.igniter_status[3]);
                        ao_radio_cmac_send(&query, sizeof (query));
                        break;
                case AO_LAUNCH_FIRE:
@@ -152,6 +327,7 @@ ao_pad(void)
                        }
                        PRINTD ("ignite\n");
                        ao_pad_ignite = ao_pad_armed;
+                       ao_pad_arm_time = ao_time();
                        ao_wakeup(&ao_pad_ignite);
                        break;
                }
@@ -161,47 +337,98 @@ ao_pad(void)
 void
 ao_pad_test(void)
 {
-#if 0
-       switch (ao_igniter_status(ao_igniter_drogue)) {
-       case ao_igniter_ready:
-       case ao_igniter_active:
-               printf ("Armed: ");
-               switch (ao_igniter_status(ao_igniter_main)) {
-               default:
-                       printf("unknown status\n");
-                       break;
-               case ao_igniter_ready:
-                       printf("igniter good\n");
-                       break;
-               case ao_igniter_open:
-                       printf("igniter bad\n");
-                       break;
-               }
+       uint8_t c;
+
+       printf ("Arm switch: ");
+       switch (query.arm_status) {
+       case AO_PAD_ARM_STATUS_ARMED:
+               printf ("Armed\n");
+               break;
+       case AO_PAD_ARM_STATUS_DISARMED:
+               printf ("Disarmed\n");
+               break;
+       case AO_PAD_ARM_STATUS_UNKNOWN:
+               printf ("Unknown\n");
                break;
-       default:
-               printf("Disarmed\n");
        }
-#endif
+
+       for (c = 0; c < AO_PAD_NUM; c++) {
+               printf ("Pad %d: ", c);
+               switch (query.igniter_status[c]) {
+               case AO_PAD_IGNITER_STATUS_NO_IGNITER_RELAY_CLOSED:     printf ("No igniter. Relay closed\n"); break;
+               case AO_PAD_IGNITER_STATUS_NO_IGNITER_RELAY_OPEN:       printf ("No igniter. Relay open\n"); break;
+               case AO_PAD_IGNITER_STATUS_GOOD_IGNITER_RELAY_OPEN:     printf ("Good igniter. Relay open\n"); break;
+               case AO_PAD_IGNITER_STATUS_UNKNOWN:                     printf ("Unknown\n"); break;
+               }
+       }
 }
 
 void
 ao_pad_manual(void)
 {
+       uint8_t ignite;
+       int     repeat;
        ao_cmd_white();
        if (!ao_match_word("DoIt"))
                return;
-       ao_cmd_white();
-       ao_pad_ignite = 1;
-       ao_wakeup(&ao_pad_ignite);
+       ao_cmd_decimal();
+       if (ao_cmd_status != ao_cmd_success)
+               return;
+       ignite = 1 << ao_cmd_lex_i;
+       ao_cmd_decimal();
+       if (ao_cmd_status != ao_cmd_success) {
+               repeat = 1;
+               ao_cmd_status = ao_cmd_success;
+       } else
+               repeat = ao_cmd_lex_i;
+       while (repeat-- > 0) {
+               ao_pad_ignite = ignite;
+               ao_wakeup(&ao_pad_ignite);
+               ao_delay(AO_PAD_FIRE_TIME>>1);
+       }
 }
 
 static __xdata struct ao_task ao_pad_task;
 static __xdata struct ao_task ao_pad_ignite_task;
-static __xdata struct ao_task ao_pad_status_task;
+static __xdata struct ao_task ao_pad_monitor_task;
+
+#if DEBUG
+void
+ao_pad_set_debug(void)
+{
+       ao_cmd_decimal();
+       if (ao_cmd_status == ao_cmd_success)
+               ao_pad_debug = ao_cmd_lex_i != 0;
+}
+
+
+static void
+ao_pad_alarm_debug(void)
+{
+       uint8_t which, value;
+       ao_cmd_decimal();
+       if (ao_cmd_status != ao_cmd_success)
+               return;
+       which = ao_cmd_lex_i;
+       ao_cmd_decimal();
+       if (ao_cmd_status != ao_cmd_success)
+               return;
+       value = ao_cmd_lex_i;
+       printf ("Set %s to %d\n", which ? "siren" : "strobe", value);
+       if (which)
+               ao_siren(value);
+       else
+               ao_strobe(value);
+}
+#endif
 
 __code struct ao_cmds ao_pad_cmds[] = {
        { ao_pad_test,  "t\0Test pad continuity" },
-       { ao_pad_manual,        "i <key>\0Fire igniter. <key> is doit with D&I" },
+       { ao_pad_manual,        "i <key> <n>\0Fire igniter. <key> is doit with D&I" },
+#if DEBUG
+       { ao_pad_set_debug,     "D <0 off, 1 on>\0Debug" },
+       { ao_pad_alarm_debug,   "S <0 strobe, 1 siren> <0 off, 1 on>\0Set alarm output" },
+#endif
        { 0, NULL }
 };
 
@@ -219,9 +446,15 @@ ao_pad_init(void)
 #endif
 #if AO_PAD_NUM > 3
        ao_enable_output(AO_PAD_PORT, AO_PAD_PIN_3, AO_PAD_3, 0);
+#endif
+#ifdef AO_STROBE
+       ao_enable_output(AO_STROBE_PORT, AO_STROBE_PIN, AO_STROBE, 0);
+#endif
+#ifdef AO_SIREN
+       ao_enable_output(AO_SIREN_PORT, AO_SIREN_PIN, AO_SIREN, 0);
 #endif
        ao_cmd_register(&ao_pad_cmds[0]);
        ao_add_task(&ao_pad_task, ao_pad, "pad listener");
        ao_add_task(&ao_pad_ignite_task, ao_pad_run, "pad igniter");
-       ao_add_task(&ao_pad_status_task, ao_pad_status, "pad status");
+       ao_add_task(&ao_pad_monitor_task, ao_pad_monitor, "pad monitor");
 }