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diff --git a/movement/watch_faces/complication/orrery_face.c b/movement/watch_faces/complication/orrery_face.c
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+/*
+ * MIT License
+ *
+ * Copyright (c) 2022 Joey Castillo
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+#include "orrery_face.h"
+#include "watch.h"
+#include "watch_utility.h"
+#include "vsop87a_micro.h" // smaller size, less accurate
+#include "vsop87a_milli.h"
+#include "astrolib.h"
+
+#define NUM_AVAILABLE_BODIES 9
+
+static const char orrery_celestial_body_names[NUM_AVAILABLE_BODIES][3] = {
+ "ME", // Mercury
+ "VE", // Venus
+ "EA", // Earth
+ "LU", // Moon (Luna)
+ "MA", // Mars
+ "JU", // Jupiter
+ "SA", // Saturn
+ "UR", // Uranus
+ "NE" // Neptune
+};
+
+static void _orrery_face_recalculate(movement_settings_t *settings, orrery_state_t *state) {
+ watch_date_time date_time = watch_rtc_get_date_time();
+ uint32_t timestamp = watch_utility_date_time_to_unix_time(date_time, movement_timezone_offsets[settings->bit.time_zone] * 60);
+ date_time = watch_utility_date_time_from_unix_time(timestamp, 0);
+ double jd = astro_convert_date_to_julian_date(date_time.unit.year + WATCH_RTC_REFERENCE_YEAR, date_time.unit.month, date_time.unit.day, date_time.unit.hour, date_time.unit.minute, date_time.unit.second);
+ double et = astro_convert_jd_to_julian_millenia_since_j2000(jd);
+ double r[3] = {0};
+
+ switch(state->active_body_index) {
+ case 0:
+ vsop87a_milli_getMercury(et, r);
+ break;
+ case 1:
+ vsop87a_milli_getVenus(et, r);
+ break;
+ case 2:
+ vsop87a_milli_getEarth(et, r);
+ break;
+ case 3:
+ {
+ double earth[3];
+ double emb[3];
+ vsop87a_milli_getEarth(et, earth);
+ vsop87a_milli_getEmb(et, emb);
+ vsop87a_milli_getMoon(earth, emb, r);
+ }
+ break;
+ case 4:
+ vsop87a_milli_getMars(et, r);
+ break;
+ case 5:
+ vsop87a_milli_getJupiter(et, r);
+ break;
+ case 6:
+ vsop87a_milli_getSaturn(et, r);
+ break;
+ case 7:
+ vsop87a_milli_getUranus(et, r);
+ break;
+ case 8:
+ vsop87a_milli_getNeptune(et, r);
+ break;
+ }
+ state->coords[0] = r[0];
+ state->coords[1] = r[1];
+ state->coords[2] = r[2];
+}
+
+static void _orrery_face_update(movement_event_t event, movement_settings_t *settings, orrery_state_t *state) {
+ char buf[11];
+ switch (state->mode) {
+ case ORRERY_MODE_SELECTING_BODY:
+ watch_display_string("Orrery", 4);
+ if (event.subsecond % 2) {
+ watch_display_string((char *)orrery_celestial_body_names[state->active_body_index], 0);
+ } else {
+ watch_display_string(" ", 0);
+ }
+ if (event.subsecond == 0) {
+ watch_display_string(" ", 2);
+ switch (state->animation_state) {
+ case 0:
+ watch_set_pixel(0, 7);
+ watch_set_pixel(2, 6);
+ break;
+ case 1:
+ watch_set_pixel(1, 7);
+ watch_set_pixel(2, 9);
+ break;
+ case 2:
+ watch_set_pixel(2, 7);
+ watch_set_pixel(0, 9);
+ break;
+ }
+ state->animation_state = (state->animation_state + 1) % 3;
+ }
+ break;
+ case ORRERY_MODE_CALCULATING:
+ watch_clear_display();
+ // this takes a moment and locks the UI, flash C for "Calculating"
+ watch_start_character_blink('C', 100);
+ _orrery_face_recalculate(settings, state);
+ watch_stop_blink();
+ state->mode = ORRERY_MODE_DISPLAYING_X;
+ // fall through
+ case ORRERY_MODE_DISPLAYING_X:
+ sprintf(buf, "%s X%6d", orrery_celestial_body_names[state->active_body_index], (int16_t)round(state->coords[0] * 100));
+ watch_display_string(buf, 0);
+ break;
+ case ORRERY_MODE_DISPLAYING_Y:
+ sprintf(buf, "%s Y%6d", orrery_celestial_body_names[state->active_body_index], (int16_t)round(state->coords[1] * 100));
+ watch_display_string(buf, 0);
+ break;
+ case ORRERY_MODE_DISPLAYING_Z:
+ sprintf(buf, "%s Z%6d", orrery_celestial_body_names[state->active_body_index], (int16_t)round(state->coords[2] * 100));
+ watch_display_string(buf, 0);
+ break;
+ case ORRERY_MODE_NUM_MODES:
+ // this case does not happen, but we need it to silence a warning.
+ break;
+ }
+}
+
+void orrery_face_setup(movement_settings_t *settings, uint8_t watch_face_index, void ** context_ptr) {
+ (void) settings;
+ (void) watch_face_index;
+ if (*context_ptr == NULL) {
+ *context_ptr = malloc(sizeof(orrery_state_t));
+ memset(*context_ptr, 0, sizeof(orrery_state_t));
+ }
+}
+
+void orrery_face_activate(movement_settings_t *settings, void *context) {
+ (void) settings;
+ (void) context;
+ movement_request_tick_frequency(4);
+}
+
+bool orrery_face_loop(movement_event_t event, movement_settings_t *settings, void *context) {
+ (void) settings;
+ orrery_state_t *state = (orrery_state_t *)context;
+
+ switch (event.event_type) {
+ case EVENT_ACTIVATE:
+ case EVENT_TICK:
+ _orrery_face_update(event, settings, state);
+ break;
+ case EVENT_MODE_BUTTON_UP:
+ movement_move_to_next_face();
+ break;
+ case EVENT_LIGHT_BUTTON_DOWN:
+ movement_illuminate_led();
+ break;
+ case EVENT_LIGHT_BUTTON_UP:
+ break;
+ case EVENT_ALARM_BUTTON_UP:
+ switch (state->mode) {
+ case ORRERY_MODE_SELECTING_BODY:
+ // advance to next celestial body (move to calculations with a long press)
+ state->active_body_index = (state->active_body_index + 1) % NUM_AVAILABLE_BODIES;
+ break;
+ case ORRERY_MODE_CALCULATING:
+ // ignore button press during calculations
+ break;
+ case ORRERY_MODE_DISPLAYING_Z:
+ // at last mode, wrap around
+ state->mode = ORRERY_MODE_DISPLAYING_X;
+ break;
+ default:
+ // otherwise, advance to next mode
+ state->mode++;
+ break;
+ }
+ _orrery_face_update(event, settings, state);
+ break;
+ case EVENT_ALARM_LONG_PRESS:
+ if (state->mode == ORRERY_MODE_SELECTING_BODY) {
+ // celestial body selected! this triggers a calculation in the update method.
+ state->mode = ORRERY_MODE_CALCULATING;
+ movement_request_tick_frequency(1);
+ _orrery_face_update(event, settings, state);
+ } else if (state->mode != ORRERY_MODE_CALCULATING) {
+ // in all modes except "doing a calculation", return to the selection screen.
+ state->mode = ORRERY_MODE_SELECTING_BODY;
+ movement_request_tick_frequency(4);
+ _orrery_face_update(event, settings, state);
+ }
+ break;
+ case EVENT_TIMEOUT:
+ movement_move_to_face(0);
+ break;
+ default:
+ break;
+ }
+
+ return true;
+}
+
+void orrery_face_resign(movement_settings_t *settings, void *context) {
+ (void) settings;
+ orrery_state_t *state = (orrery_state_t *)context;
+ state->mode = ORRERY_MODE_SELECTING_BODY;
+}
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