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Merge pull request #201 from sarasopodo/fix/moon-phase-southern-hemisphere

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fix: moon-phase display and quarter labels for southern hemisphere
This commit is contained in:
voloved
2026-06-06 16:29:26 -04:00
committed by GitHub
parent 576f4e0ec2 1fc366b073
commit 68bfe1144d
2 changed files with 93 additions and 38 deletions
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watch-faces/complication/moon_phase_face.c
+65 -11
View File
@@ -33,6 +33,7 @@
#include <math.h>
#include "moon_phase_face.h"
#include "watch_utility.h"
#include "filesystem.h"
#define LUNAR_DAYS 29.53058770576
#define LUNAR_SECONDS (LUNAR_DAYS * (24 * 60 * 60))
@@ -41,6 +42,13 @@
static const float phase_changes[] = {0, 1, 6.38264692644, 8.38264692644, 13.76529385288, 15.76529385288, 21.14794077932, 23.14794077932, 28.53058770576, 29.53058770576};
static bool is_southern_hemisphere(moon_phase_state_t *state) {
movement_location_t location = {0};
if (filesystem_read_file("location.u32", (char *) &location.reg, sizeof(movement_location_t))) {
state->southern_hemisphere = location.bit.latitude < 0;
}
}
void moon_phase_face_setup(uint8_t watch_face_index, void ** context_ptr) {
(void) watch_face_index;
if (*context_ptr == NULL) {
@@ -53,11 +61,11 @@ void moon_phase_face_activate(void *context) {
(void) context;
}
static void _update(moon_phase_state_t *state, uint32_t offset) {
(void)state;
static void _update(moon_phase_state_t *state) {
char buf[4];
bool southern = state->southern_hemisphere;
watch_date_time_t date_time = watch_rtc_get_date_time();
uint32_t now = watch_utility_date_time_to_unix_time(date_time, movement_get_current_timezone_offset()) + offset;
uint32_t now = watch_utility_date_time_to_unix_time(date_time, movement_get_current_timezone_offset()) + state->offset;
date_time = watch_utility_date_time_from_unix_time(now, movement_get_current_timezone_offset());
double currentfrac = fmod(now - FIRST_MOON, LUNAR_SECONDS) / LUNAR_SECONDS;
double currentday = currentfrac * LUNAR_DAYS;
@@ -79,30 +87,51 @@ static void _update(moon_phase_state_t *state, uint32_t offset) {
watch_display_text(WATCH_POSITION_BOTTOM, "CresNt");
watch_display_text_with_fallback(WATCH_POSITION_TOP_LEFT, "WAX", " ");
if (watch_get_lcd_type() == WATCH_LCD_TYPE_CLASSIC) {
if (!southern) {
watch_set_pixel(2, 13);
watch_set_pixel(2, 15);
if (currentfrac > 0.125) watch_set_pixel(1, 13);
} else {
watch_set_pixel(0, 14);
watch_set_pixel(0, 13);
if (currentfrac > 0.125) watch_set_pixel(2, 14);
}
}
break;
case 2:
watch_display_text_with_fallback(WATCH_POSITION_BOTTOM, "1stQtr", " 1st q");
watch_display_text_with_fallback(WATCH_POSITION_BOTTOM, southern ? "3rdQtr" : "1stQtr", southern ? " 3rd q" : " 1st q");
watch_display_text_with_fallback(WATCH_POSITION_TOP_LEFT, "WAX", " ");
if (watch_get_lcd_type() == WATCH_LCD_TYPE_CLASSIC) {
if (!southern) {
watch_set_pixel(2, 13);
watch_set_pixel(2, 15);
watch_set_pixel(1, 13);
watch_set_pixel(1, 14);
} else {
watch_set_pixel(1, 14);
watch_set_pixel(2, 14);
watch_set_pixel(0, 14);
watch_set_pixel(0, 13);
}
}
break;
case 3:
watch_display_text_with_fallback(WATCH_POSITION_BOTTOM, "GbboUs", " Gibb ");
watch_display_text_with_fallback(WATCH_POSITION_TOP_LEFT, "WAX", " ");
if (watch_get_lcd_type() == WATCH_LCD_TYPE_CLASSIC) {
if (!southern) {
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);
} else {
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 4:
@@ -123,30 +152,51 @@ static void _update(moon_phase_state_t *state, uint32_t offset) {
watch_display_text_with_fallback(WATCH_POSITION_BOTTOM, "GbboUs", " Gibb ");
watch_display_text_with_fallback(WATCH_POSITION_TOP_LEFT, "WAN", " ");
if (watch_get_lcd_type() == WATCH_LCD_TYPE_CLASSIC) {
if (!southern) {
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);
} else {
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 6:
watch_display_text_with_fallback(WATCH_POSITION_BOTTOM, "3rdQtr", " 3rd q");
watch_display_text_with_fallback(WATCH_POSITION_BOTTOM, southern ? "1stQtr" : "3rdQtr", southern ? " 1st q" : " 3rd q");
watch_display_text_with_fallback(WATCH_POSITION_TOP_LEFT, "WAN", " ");
if (watch_get_lcd_type() == WATCH_LCD_TYPE_CLASSIC) {
if (!southern) {
watch_set_pixel(1, 14);
watch_set_pixel(2, 14);
watch_set_pixel(0, 14);
watch_set_pixel(0, 13);
} else {
watch_set_pixel(2, 13);
watch_set_pixel(2, 15);
watch_set_pixel(1, 13);
watch_set_pixel(1, 14);
}
}
break;
case 7:
watch_display_text(WATCH_POSITION_BOTTOM, "CresNt");
watch_display_text_with_fallback(WATCH_POSITION_TOP_LEFT, "WAN", " ");
if (watch_get_lcd_type() == WATCH_LCD_TYPE_CLASSIC) {
if (!southern) {
watch_set_pixel(0, 14);
watch_set_pixel(0, 13);
if (currentfrac < 0.875) watch_set_pixel(2, 14);
} else {
watch_set_pixel(2, 13);
watch_set_pixel(2, 15);
if (currentfrac < 0.875) watch_set_pixel(1, 13);
}
}
break;
}
@@ -159,17 +209,21 @@ bool moon_phase_face_loop(movement_event_t event, void *context) {
switch (event.event_type) {
case EVENT_ACTIVATE:
if (watch_sleep_animation_is_running()) watch_stop_sleep_animation();
_update(state, state->offset);
is_southern_hemisphere(state);
_update(state);
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(state, state->offset);
if ((date_time.unit.minute == 0) && (date_time.unit.second == 0)) _update(state);
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(state, 0);
if (state->offset || (watch_rtc_get_date_time().unit.minute == 0)) {
state->offset = 0;
_update(state);
}
// and kill the offset so when the wearer wakes up, it matches what's on screen.
state->offset = 0;
if (watch_get_lcd_type() == WATCH_LCD_TYPE_CLASSIC) {
@@ -182,17 +236,17 @@ bool moon_phase_face_loop(movement_event_t event, void *context) {
// 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(state, state->offset);
_update(state);
break;
case EVENT_ALARM_LONG_PRESS:
state->offset = 0;
_update(state, state->offset);
_update(state);
break;
case EVENT_LIGHT_BUTTON_DOWN:
break;
case EVENT_LIGHT_BUTTON_UP:
state->offset -= 86400;
_update(state, state->offset);
_update(state);
break;
case EVENT_LIGHT_LONG_PRESS:
movement_illuminate_led();
watch-faces/complication/moon_phase_face.h
+1
View File
@@ -56,6 +56,7 @@
typedef struct {
uint32_t offset;
bool southern_hemisphere;
} moon_phase_state_t;
void moon_phase_face_setup(uint8_t watch_face_index, void ** context_ptr);