+/*
+ * Copyright © 2012 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#include <ao.h>
+#include <ao_lco.h>
+#include <ao_event.h>
+#include <ao_quadrature.h>
+#include <ao_radio_cmac.h>
+
+#define AO_LCO_DRAG_RACE_START_TIME AO_SEC_TO_TICKS(5)
+#define AO_LCO_DRAG_RACE_STOP_TIME AO_SEC_TO_TICKS(2)
+
+/* UI values */
+static uint8_t ao_lco_select_mode;
+static uint8_t ao_lco_event_debug;
+
+#define PRINTE(...) do { if (!ao_lco_debug && !ao_lco_event_debug) break; printf ("\r%5lu %s: ", (unsigned long) ao_tick_count, __func__); printf(__VA_ARGS__); flush(); } while(0)
+#define AO_LCO_SELECT_PAD 0
+#define AO_LCO_SELECT_BOX 1
+
+static uint8_t ao_lco_display_mutex;
+
+void
+ao_lco_show_pad(uint8_t pad)
+{
+ ao_mutex_get(&ao_lco_display_mutex);
+ (void) pad;
+// ao_seven_segment_set(AO_LCO_PAD_DIGIT, (uint8_t) (pad | (ao_lco_drag_race << 4)));
+ ao_mutex_put(&ao_lco_display_mutex);
+}
+void
+ao_lco_show_box(uint16_t box)
+{
+ ao_mutex_get(&ao_lco_display_mutex);
+ (void) box;
+// ao_seven_segment_set(AO_LCO_BOX_DIGIT_1, (uint8_t) (box % 10 | (ao_lco_drag_race << 4)));
+// ao_seven_segment_set(AO_LCO_BOX_DIGIT_10, (uint8_t) (box / 10 | (ao_lco_drag_race << 4)));
+ ao_mutex_put(&ao_lco_display_mutex);
+}
+
+static void
+ao_lco_show_voltage(uint16_t decivolts)
+{
+ uint8_t tens, ones, tenths;
+
+ PRINTD("voltage %d\n", decivolts);
+ tenths = (uint8_t) (decivolts % 10);
+ ones = (uint8_t) ((decivolts / 10) % 10);
+ tens = (uint8_t) ((decivolts / 100) % 10);
+ ao_mutex_get(&ao_lco_display_mutex);
+ (void) tenths;
+ (void) ones;
+ (void) tens;
+// ao_seven_segment_set(AO_LCO_PAD_DIGIT, tenths);
+// ao_seven_segment_set(AO_LCO_BOX_DIGIT_1, ones | 0x10);
+// ao_seven_segment_set(AO_LCO_BOX_DIGIT_10, tens);
+ ao_mutex_put(&ao_lco_display_mutex);
+}
+
+void
+ao_lco_show(void)
+{
+ if (ao_lco_pad == AO_LCO_PAD_VOLTAGE) {
+ ao_lco_show_voltage(ao_pad_query.battery);
+ } else {
+ ao_lco_show_pad(ao_lco_pad);
+ ao_lco_show_box(ao_lco_box);
+ }
+}
+
+uint8_t
+ao_lco_box_present(uint16_t box)
+{
+ if (box >= AO_PAD_MAX_BOXES)
+ return 0;
+ return (ao_lco_box_mask[AO_LCO_MASK_ID(box)] >> AO_LCO_MASK_SHIFT(box)) & 1;
+}
+
+static void
+ao_lco_set_select(void)
+{
+ if (ao_lco_armed) {
+ ao_led_off(AO_LED_PAD);
+ ao_led_off(AO_LED_BOX);
+ } else {
+ switch (ao_lco_select_mode) {
+ case AO_LCO_SELECT_PAD:
+ ao_led_off(AO_LED_BOX);
+ ao_led_on(AO_LED_PAD);
+ break;
+ case AO_LCO_SELECT_BOX:
+ ao_led_off(AO_LED_PAD);
+ ao_led_on(AO_LED_BOX);
+ break;
+ default:
+ break;
+ }
+ }
+}
+
+static void
+ao_lco_step_box(int8_t dir)
+{
+ int32_t new_box = (int32_t) ao_lco_box;
+
+ do {
+ new_box += dir;
+ if (new_box > ao_lco_max_box)
+ new_box = ao_lco_min_box;
+ else if (new_box < ao_lco_min_box)
+ new_box = ao_lco_max_box;
+ if (new_box == ao_lco_box)
+ break;
+ } while (!ao_lco_box_present((uint16_t) new_box));
+ ao_lco_set_box((uint16_t) new_box);
+}
+
+static struct ao_task ao_lco_drag_task;
+
+static void
+ao_lco_drag_monitor(void)
+{
+ AO_TICK_TYPE delay = ~0UL;
+ AO_TICK_TYPE now;
+
+ ao_beep_for(AO_BEEP_MID, AO_MS_TO_TICKS(200));
+ for (;;) {
+ PRINTD("Drag monitor count %d delay %lu\n", ao_lco_drag_beep_count, (unsigned long) delay);
+ if (delay == (AO_TICK_TYPE) ~0)
+ ao_sleep(&ao_lco_drag_beep_count);
+ else
+ ao_sleep_for(&ao_lco_drag_beep_count, delay);
+
+ delay = ~0UL;
+ now = ao_time();
+ delay = ao_lco_drag_warn_check(now, delay);
+ delay = ao_lco_drag_beep_check(now, delay);
+ }
+}
+
+static void
+ao_lco_input(void)
+{
+ static struct ao_event event;
+
+ for (;;) {
+ ao_event_get(&event);
+ PRINTE("event type %d unit %d value %ld\n",
+ event.type, event.unit, (long) event.value);
+ switch (event.type) {
+ case AO_EVENT_QUADRATURE:
+ switch (event.unit) {
+ case AO_QUADRATURE_SELECT:
+ if (!ao_lco_armed) {
+ switch (ao_lco_select_mode) {
+ case AO_LCO_SELECT_PAD:
+ ao_lco_step_pad((int8_t) event.value);
+ break;
+ case AO_LCO_SELECT_BOX:
+ ao_lco_step_box((int8_t) event.value);
+ break;
+ default:
+ break;
+ }
+ }
+ break;
+ }
+ break;
+ case AO_EVENT_BUTTON:
+ switch (event.unit) {
+ case AO_BUTTON_ARM:
+ ao_lco_set_armed((uint8_t) event.value);
+ ao_lco_set_select();
+ break;
+ case AO_BUTTON_FIRE:
+ if (ao_lco_armed)
+ ao_lco_set_firing((uint8_t) event.value);
+ break;
+ case AO_BUTTON_DRAG_SELECT:
+ if (event.value)
+ ao_lco_toggle_drag();
+ break;
+ case AO_BUTTON_DRAG_MODE:
+ if (event.value)
+ ao_lco_drag_enable();
+ else
+ ao_lco_drag_disable();
+ break;
+ case AO_BUTTON_ENCODER_SELECT:
+ if (event.value) {
+ if (!ao_lco_armed) {
+ ao_lco_select_mode = 1 - ao_lco_select_mode;
+ ao_lco_set_select();
+ }
+ }
+ break;
+ }
+ break;
+ }
+ }
+}
+
+/*
+ * Light up everything for a second at power on to let the user
+ * visually inspect the system for correct operation
+ */
+static void
+ao_lco_display_test(void)
+{
+ ao_mutex_get(&ao_lco_display_mutex);
+// ao_seven_segment_set(AO_LCO_PAD_DIGIT, 8 | 0x10);
+// ao_seven_segment_set(AO_LCO_BOX_DIGIT_1, 8 | 0x10);
+// ao_seven_segment_set(AO_LCO_BOX_DIGIT_10, 8 | 0x10);
+ ao_mutex_put(&ao_lco_display_mutex);
+ ao_led_on(AO_LEDS_AVAILABLE);
+ ao_delay(AO_MS_TO_TICKS(1000));
+ ao_led_off(AO_LEDS_AVAILABLE);
+}
+
+static void
+ao_lco_batt_voltage(void)
+{
+ struct ao_adc packet;
+ int16_t decivolt;
+
+// ao_adc_single_get(&packet);
+ packet.v_batt = 0;
+ decivolt = ao_battery_decivolt(packet.v_batt);
+ ao_lco_show_voltage((uint16_t) decivolt);
+ ao_delay(AO_MS_TO_TICKS(1000));
+}
+
+static struct ao_task ao_lco_input_task;
+static struct ao_task ao_lco_monitor_task;
+static struct ao_task ao_lco_arm_warn_task;
+static struct ao_task ao_lco_igniter_status_task;
+
+static void
+ao_lco_main(void)
+{
+ ao_lco_display_test();
+ ao_lco_batt_voltage();
+ 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");
+ ao_add_task(&ao_lco_drag_task, ao_lco_drag_monitor, "drag race");
+ ao_lco_monitor();
+}
+
+#if DEBUG
+static void
+ao_lco_set_debug(void)
+{
+ uint32_t r = ao_cmd_decimal();
+ if (ao_cmd_status == ao_cmd_success){
+ ao_lco_debug = r & 1;
+ ao_lco_event_debug = (r & 2) >> 1;
+ }
+}
+
+const struct ao_cmds ao_lco_cmds[] = {
+ { ao_lco_set_debug, "D <0 off, 1 on>\0Debug" },
+ { ao_lco_search, "s\0Search for pad boxes" },
+ { ao_lco_pretend, "p\0Pretend there are lots of pad boxes" },
+ { 0, NULL }
+};
+#endif
+
+void
+ao_lco_init(void)
+{
+ ao_add_task(&ao_lco_monitor_task, ao_lco_main, "lco monitor");
+#if DEBUG
+ ao_cmd_register(&ao_lco_cmds[0]);
+#endif
+}