/* * MIT License * * Copyright (c) 2022 Joey Castillo * * Based on Phase of Moon App for Tidbyt * https://github.com/tidbyt/community/blob/main/apps/phaseofmoon/phase_of_moon.star * Copyright (c) 2022 Alan Fleming * * * 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 #include #include #include #include "moon_phase_face.h" #include "watch_utility.h" #define LUNAR_DAYS 29.53058770576 #define LUNAR_SECONDS (LUNAR_DAYS * (24 * 60 * 60)) #define FIRST_MOON 947182440 // Saturday, 6 January 2000 18:14:00 in unix epoch time #define NUM_PHASES 8 static const float phase_changes[] = {0, 1, 6.38264692644, 8.38264692644, 13.76529385288, 15.76529385288, 21.14794077932, 23.14794077932, 28.53058770576, 29.53058770576}; void moon_phase_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(moon_phase_state_t)); memset(*context_ptr, 0, sizeof(moon_phase_state_t)); } } void moon_phase_face_activate(movement_settings_t *settings, void *context) { (void) settings; (void) context; } static void _update(movement_settings_t *settings, moon_phase_state_t *state, uint32_t offset) { (void)state; char buf[11]; watch_date_time date_time = watch_rtc_get_date_time(); uint32_t now = watch_utility_date_time_to_unix_time(date_time, movement_timezone_offsets[settings->bit.time_zone] * 60) + offset; date_time = watch_utility_date_time_from_unix_time(now, movement_timezone_offsets[settings->bit.time_zone] * 60); double currentfrac = fmod(now - FIRST_MOON, LUNAR_SECONDS) / LUNAR_SECONDS; double currentday = currentfrac * LUNAR_DAYS; uint8_t phase_index = 0; for(phase_index = 0; phase_index <= NUM_PHASES; phase_index++) { if (currentday > phase_changes[phase_index] && currentday <= phase_changes[phase_index + 1]) break; } watch_display_string(" ", 0); switch (phase_index) { case 0: case 8: sprintf(buf, "%2d Neu ", date_time.unit.day); break; case 1: sprintf(buf, "%2dCresnt", date_time.unit.day); watch_set_pixel(2, 13); watch_set_pixel(2, 15); if (currentfrac > 0.125) watch_set_pixel(1, 13); break; case 2: sprintf(buf, "%2d 1st q", date_time.unit.day); watch_set_pixel(2, 13); watch_set_pixel(2, 15); watch_set_pixel(1, 13); watch_set_pixel(1, 14); break; case 3: sprintf(buf, "%2d Gibb ", date_time.unit.day); watch_set_pixel(2, 13); watch_set_pixel(2, 15); watch_set_pixel(1, 14); watch_set_pixel(1, 13); watch_set_pixel(1, 15); break; case 4: sprintf(buf, "%2d FULL ", date_time.unit.day); watch_set_pixel(2, 13); watch_set_pixel(2, 15); watch_set_pixel(1, 14); watch_set_pixel(2, 14); watch_set_pixel(1, 15); watch_set_pixel(0, 14); watch_set_pixel(0, 13); watch_set_pixel(1, 13); break; case 5: sprintf(buf, "%2d Gibb ", date_time.unit.day); watch_set_pixel(1, 14); watch_set_pixel(2, 14); watch_set_pixel(1, 15); watch_set_pixel(0, 14); watch_set_pixel(0, 13); break; case 6: sprintf(buf, "%2d 3rd q", date_time.unit.day); watch_set_pixel(1, 14); watch_set_pixel(2, 14); watch_set_pixel(0, 14); watch_set_pixel(0, 13); break; case 7: sprintf(buf, "%2dCresnt", date_time.unit.day); watch_set_pixel(0, 14); watch_set_pixel(0, 13); if (currentfrac < 0.875) watch_set_pixel(2, 14); break; } watch_display_string(buf, 2); } bool moon_phase_face_loop(movement_event_t event, movement_settings_t *settings, void *context) { moon_phase_state_t *state = (moon_phase_state_t *)context; watch_date_time date_time; switch (event.event_type) { case EVENT_ACTIVATE: _update(settings, state, state->offset); break; case EVENT_TICK: // only update once an hour date_time = watch_rtc_get_date_time(); if ((date_time.unit.minute == 0) && (date_time.unit.second == 0)) _update(settings, state, state->offset); break; case EVENT_LOW_ENERGY_UPDATE: // update at the top of the hour OR if we're entering sleep mode with an offset. // also, in sleep mode, always show the current moon phase (offset = 0). if (state->offset || (watch_rtc_get_date_time().unit.minute == 0)) _update(settings, state, 0); // and kill the offset so when the wearer wakes up, it matches what's on screen. state->offset = 0; // finally: clear out the last two digits and replace them with the sleep mode indicator watch_display_string(" ", 8); if (!watch_tick_animation_is_running()) watch_start_tick_animation(1000); break; case EVENT_MODE_BUTTON_UP: movement_move_to_next_face(); break; case EVENT_LIGHT_BUTTON_DOWN: movement_illuminate_led(); break; case EVENT_ALARM_BUTTON_UP: // Pressing the alarm adds an offset of one day to the displayed value, // so you can see moon phases in the future. state->offset += 86400; _update(settings, state, state->offset); break; case EVENT_TIMEOUT: // QUESTION: Should timeout reset offset to 0? break; default: break; } return true; } void moon_phase_face_resign(movement_settings_t *settings, void *context) { (void) settings; moon_phase_state_t *state = (moon_phase_state_t *)context; state->offset = 0; }