altos/telelco: Infrastructure changes for drag racing
[fw/altos] / src / drivers / ao_lco.c
index 9250d44460a5f31e715cb91ce2d47d1c6dedefbe..464e05ab363c1bf115a7321cf0859b5d976eccb1 100644 (file)
@@ -37,21 +37,21 @@ static uint8_t      ao_lco_debug;
 #define AO_LCO_BOX_DIGIT_10    2
 
 static uint8_t ao_lco_min_box, ao_lco_max_box;
-static uint8_t ao_lco_pad;
-static uint8_t ao_lco_box;
+static uint8_t ao_lco_selected[AO_PAD_MAX_BOXES];
 static uint8_t ao_lco_armed;
 static uint8_t ao_lco_firing;
-static uint8_t ao_lco_valid;
-static uint8_t ao_lco_got_channels;
-static uint16_t        ao_lco_tick_offset;
-static uint8_t ao_lco_show_voltage;
+static uint8_t ao_lco_valid[AO_PAD_MAX_BOXES];
+static uint8_t ao_lco_channels[AO_PAD_MAX_BOXES];
+static uint16_t        ao_lco_tick_offset[AO_PAD_MAX_BOXES];
 
+static uint8_t ao_lco_pad;
+static uint8_t ao_lco_box;
 static struct ao_pad_query     ao_pad_query;
 
 static void
 ao_lco_set_pad(uint8_t pad)
 {
-       ao_seven_segment_set(AO_LCO_PAD_DIGIT, pad + 1);
+       ao_seven_segment_set(AO_LCO_PAD_DIGIT, pad);
 }
 
 static void
@@ -74,6 +74,17 @@ ao_lco_set_voltage(uint16_t decivolts)
        ao_seven_segment_set(AO_LCO_BOX_DIGIT_10, tens);
 }
 
+static void
+ao_lco_set_display(void)
+{
+       if (ao_lco_pad == 0) {
+               ao_lco_set_voltage(ao_pad_query.battery);
+       } else {
+               ao_lco_set_pad(ao_lco_pad);
+               ao_lco_set_box(ao_lco_box);
+       }
+}
+
 #define MASK_SIZE(n)   (((n) + 7) >> 3)
 #define MASK_ID(n)     ((n) >> 3)
 #define MASK_SHIFT(n)  ((n) & 7)
@@ -89,22 +100,25 @@ ao_lco_box_present(uint8_t box)
 }
 
 static uint8_t
-ao_lco_pad_present(uint8_t pad)
+ao_lco_pad_present(uint8_t box, uint8_t pad)
 {
-       if (!ao_lco_got_channels || !ao_pad_query.channels)
-               return pad == 0;
-       if (pad >= AO_PAD_MAX_CHANNELS)
+       /* voltage measurement is always valid */
+       if (pad == 0)
+               return 1;
+       if (!ao_lco_channels[box])
+               return 0;
+       if (pad > AO_PAD_MAX_CHANNELS)
                return 0;
-       return (ao_pad_query.channels >> pad) & 1;
+       return (ao_lco_channels[box] >> (pad - 1)) & 1;
 }
 
 static uint8_t
-ao_lco_pad_first(void)
+ao_lco_pad_first(uint8_t box)
 {
        uint8_t pad;
 
-       for (pad = 0; pad < AO_PAD_MAX_CHANNELS; pad++)
-               if (ao_lco_pad_present(pad))
+       for (pad = 1; pad <= AO_PAD_MAX_CHANNELS; pad++)
+               if (ao_lco_pad_present(box, pad))
                        return pad;
        return 0;
 }
@@ -131,15 +145,14 @@ ao_lco_input(void)
                                                new_pad += dir;
                                                if (new_pad > AO_PAD_MAX_CHANNELS)
                                                        new_pad = 0;
-                                               else if (new_pad < 0)
-                                                       new_pad = AO_PAD_MAX_CHANNELS - 1;
+                                               if (new_pad < 0)
+                                                       new_pad = AO_PAD_MAX_CHANNELS;
                                                if (new_pad == ao_lco_pad)
                                                        break;
-                                       } while (!ao_lco_pad_present(new_pad));
+                                       } while (!ao_lco_pad_present(ao_lco_box, new_pad));
                                        if (new_pad != ao_lco_pad) {
                                                ao_lco_pad = new_pad;
-                                               ao_lco_set_box(ao_lco_box);
-                                               ao_lco_set_pad(ao_lco_pad);
+                                               ao_lco_set_display();
                                        }
                                }
                                break;
@@ -158,9 +171,9 @@ ao_lco_input(void)
                                        } while (!ao_lco_box_present(new_box));
                                        if (ao_lco_box != new_box) {
                                                ao_lco_box = new_box;
-                                               ao_lco_got_channels = 0;
-                                               ao_lco_set_box(ao_lco_box);
-                                               ao_lco_set_pad(ao_lco_pad);
+                                               ao_lco_pad = 1;
+                                               ao_lco_channels[ao_lco_box] = 0;
+                                               ao_lco_set_display();
                                        }
                                }
                                break;
@@ -171,23 +184,17 @@ ao_lco_input(void)
                        case AO_BUTTON_ARM:
                                ao_lco_armed = event.value;
                                PRINTD("Armed %d\n", ao_lco_armed);
-                               ao_wakeup(&ao_lco_armed);
+                               if (ao_lco_pad != 0) {
+                                       memset(ao_lco_selected, 0, sizeof (ao_lco_selected));
+                                       ao_lco_selected[ao_lco_box] = (1 << (ao_lco_pad - 1));
+                                       ao_wakeup(&ao_lco_armed);
+                               }
                                break;
                        case AO_BUTTON_FIRE:
                                if (ao_lco_armed) {
                                        ao_lco_firing = event.value;
-                                       ao_lco_show_voltage = 0;
                                        PRINTD("Firing %d\n", ao_lco_firing);
                                        ao_wakeup(&ao_lco_armed);
-                               } else {
-                                       if (event.value) {
-                                               if (ao_lco_got_channels)
-                                                       ao_lco_set_voltage(ao_pad_query.battery);
-                                       } else {
-                                               ao_lco_set_box(ao_lco_box);
-                                               ao_lco_set_pad(ao_lco_pad);
-                                       }
-                                       ao_lco_show_voltage = event.value;
                                }
                                break;
                        }
@@ -223,37 +230,36 @@ static AO_LED_TYPE        continuity_led[AO_LED_CONTINUITY_NUM] = {
 #endif
 };
 
-static void
-ao_lco_update(void)
+static uint8_t
+ao_lco_get_channels(uint8_t box, struct ao_pad_query *query)
 {
        int8_t                  r;
-       uint8_t                 c;
 
-       r = ao_lco_query(ao_lco_box, &ao_pad_query, &ao_lco_tick_offset);
+       r = ao_lco_query(box, query, &ao_lco_tick_offset[box]);
        if (r == AO_RADIO_CMAC_OK) {
-               c = ao_lco_got_channels;
-               ao_lco_got_channels = 1;
-               ao_lco_valid = 1;
-               if (!c) {
-                       ao_lco_pad = ao_lco_pad_first();
-                       if (!ao_lco_show_voltage)
-                               ao_lco_set_pad(ao_lco_pad);
-               }
-               if (ao_lco_show_voltage)
-                       ao_lco_set_voltage(ao_pad_query.battery);
+               ao_lco_channels[box] = query->channels;
+               ao_lco_valid[box] = 1;
        } else
-               ao_lco_valid = 0;
-
-#if 0
-       PRINTD("lco_query success arm_status %d i0 %d i1 %d i2 %d i3 %d\n",
-              query.arm_status,
-              query.igniter_status[0],
-              query.igniter_status[1],
-              query.igniter_status[2],
-              query.igniter_status[3]);
-#endif
-       PRINTD("ao_lco_update valid %d\n", ao_lco_valid);
+               ao_lco_valid[box] = 0;
+       PRINTD("ao_lco_get_channels(%d) valid %d\n", box, ao_lco_valid[box]);
        ao_wakeup(&ao_pad_query);
+       return ao_lco_valid[box];
+}
+
+static void
+ao_lco_update(void)
+{
+       uint8_t previous_valid = ao_lco_valid[ao_lco_box];
+
+       if (ao_lco_get_channels(ao_lco_box, &ao_pad_query)) {
+               if (!previous_valid) {
+                       if (ao_lco_pad != 0)
+                               ao_lco_pad = ao_lco_pad_first(ao_lco_box);
+                       ao_lco_set_display();
+               }
+               if (ao_lco_pad == 0)
+                       ao_lco_set_display();
+       }
 }
 
 static void
@@ -286,7 +292,7 @@ ao_lco_search(void)
        uint8_t         boxes = 0;
 
        ao_lco_box_reset_present();
-       ao_lco_set_pad(-1);
+       ao_lco_set_pad(0);
        for (box = 0; box < AO_PAD_MAX_BOXES; box++) {
                if ((box % 10) == 0)
                        ao_lco_set_box(box);
@@ -297,7 +303,7 @@ ao_lco_search(void)
                        if (r == AO_RADIO_CMAC_OK) {
                                ++boxes;
                                ao_lco_box_set_present(box);
-                               ao_lco_set_pad((boxes % 10) - 1);
+                               ao_lco_set_pad(boxes % 10);
                                ao_delay(AO_MS_TO_TICKS(30));
                                break;
                        }
@@ -307,11 +313,10 @@ ao_lco_search(void)
                ao_lco_box = ao_lco_min_box;
        else
                ao_lco_min_box = ao_lco_max_box = ao_lco_box = 0;
-       ao_lco_valid = 0;
-       ao_lco_got_channels = 0;
-       ao_lco_pad = 0;
-       ao_lco_set_pad(ao_lco_pad);
-       ao_lco_set_box(ao_lco_box);
+       memset(ao_lco_valid, 0, sizeof (ao_lco_valid));
+       memset(ao_lco_channels, 0, sizeof (ao_lco_channels));
+       ao_lco_pad = 1;
+       ao_lco_set_display();
 }
 
 static void
@@ -321,8 +326,8 @@ ao_lco_igniter_status(void)
 
        for (;;) {
                ao_sleep(&ao_pad_query);
-               PRINTD("RSSI %d VALID %d\n", ao_radio_cmac_rssi, ao_lco_valid);
-               if (!ao_lco_valid) {
+               PRINTD("RSSI %d VALID %d\n", ao_radio_cmac_rssi, ao_lco_valid[ao_lco_box]);
+               if (!ao_lco_valid[ao_lco_box]) {
                        ao_led_on(AO_LED_RED);
                        ao_led_off(AO_LED_GREEN|AO_LED_AMBER);
                        continue;
@@ -373,31 +378,32 @@ static void
 ao_lco_monitor(void)
 {
        uint16_t                delay;
+       uint8_t                 box;
+       struct ao_pad_query     pad_query;
 
        ao_lco_search();
        ao_add_task(&ao_lco_input_task, ao_lco_input, "lco input");
        ao_add_task(&ao_lco_arm_warn_task, ao_lco_arm_warn, "lco arm warn");
        ao_add_task(&ao_lco_igniter_status_task, ao_lco_igniter_status, "lco igniter status");
        for (;;) {
-               PRINTD("monitor armed %d firing %d offset %d\n",
-                      ao_lco_armed, ao_lco_firing, ao_lco_tick_offset);
+               PRINTD("monitor armed %d firing %d\n",
+                      ao_lco_armed, ao_lco_firing);
 
                if (ao_lco_armed && ao_lco_firing) {
-                       PRINTD("Firing box %d pad %d: valid %d\n",
-                              ao_lco_box, ao_lco_pad, ao_lco_valid);
-                       if (!ao_lco_valid)
-                               ao_lco_update();
-                       if (ao_lco_valid)
-                               ao_lco_ignite(ao_lco_box, 1 << ao_lco_pad, ao_lco_tick_offset);
-               } else if (ao_lco_armed) {
-                       PRINTD("Arming box %d pad %d\n",
-                              ao_lco_box, ao_lco_pad);
-                       if (!ao_lco_valid)
-                               ao_lco_update();
-                       ao_lco_arm(ao_lco_box, 1 << ao_lco_pad, ao_lco_tick_offset);
-                       ao_delay(AO_MS_TO_TICKS(30));
-                       ao_lco_update();
+                       ao_lco_ignite();
                } else {
+                       if (ao_lco_armed) {
+                               for (box = 0; box < AO_PAD_MAX_BOXES; box++) {
+                                       if (ao_lco_selected[box]) {
+                                               PRINTD("Arming box %d pads %x\n",
+                                                      box, ao_lco_selected[box]);
+                                               if (!ao_lco_valid[box])
+                                                       ao_lco_get_channels(box, &pad_query);
+                                               if (ao_lco_valid[box])
+                                                       ao_lco_arm(box, ao_lco_selected[box], ao_lco_tick_offset[ao_lco_box]);
+                                       }
+                               }
+                       }
                        ao_lco_update();
                }
                if (ao_lco_armed && ao_lco_firing)