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movement: add moon phase complication

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This commit is contained in:
Joey Castillo 2022-02-14 14:00:35 -05:00
parent 2d9192dff1
commit 0fcc60e388
4 changed files with 234 additions and 0 deletions
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1
movement/make/Makefile
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@ -50,6 +50,7 @@ SRCS += \
../watch_faces/complication/sunrise_sunset_face.c \
../watch_faces/complication/countdown_face.c \
../watch_faces/complication/blinky_face.c \
../watch_faces/complication/moon_phase_face.c \
# New watch faces go above this line.
# Leave this line at the bottom of the file; it has all the targets for making your project.

1
movement/movement_faces.h
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@ -44,6 +44,7 @@
#include "sunrise_sunset_face.h"
#include "countdown_face.h"
#include "blinky_face.h"
#include "moon_phase_face.h"
// New includes go above this line.
#endif // MOVEMENT_FACES_H_

184
movement/watch_faces/complication/moon_phase_face.c Normal file
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@ -0,0 +1,184 @@
/*
* 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 <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <math.h>
#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_UP:
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;
}

48
movement/watch_faces/complication/moon_phase_face.h Normal file
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@ -0,0 +1,48 @@
/*
* 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.
*/
#ifndef MOON_PHASE_FACE_H_
#define MOON_PHASE_FACE_H_
#include "movement.h"
typedef struct {
uint32_t offset;
} moon_phase_state_t;
void moon_phase_face_setup(movement_settings_t *settings, uint8_t watch_face_index, void ** context_ptr);
void moon_phase_face_activate(movement_settings_t *settings, void *context);
bool moon_phase_face_loop(movement_event_t event, movement_settings_t *settings, void *context);
void moon_phase_face_resign(movement_settings_t *settings, void *context);
#define moon_phase_face ((const watch_face_t){ \
moon_phase_face_setup, \
moon_phase_face_activate, \
moon_phase_face_loop, \
moon_phase_face_resign, \
NULL, \
})
#endif // MOON_PHASE_FACE_H_