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movement: day one watch face, counts days from birth

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This commit is contained in:
Joey Castillo 2021-11-08 09:50:54 -06:00
parent 61f479db5a
commit 1b4bfe35c2
4 changed files with 210 additions and 0 deletions
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1
movement/make/Makefile
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@ -35,6 +35,7 @@ SRCS += \
../watch_faces/demos/character_set_face.c \
../watch_faces/demos/voltage_face.c \
../watch_faces/complications/beats_face.c \
../watch_faces/complications/day_one_face.c \
# Leave this line at the bottom of the file; it has all the targets for making your project.
include $(TOP)/rules.mk

1
movement/movement_config.h
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@ -9,6 +9,7 @@
#include "thermistor_logging_face.h"
#include "character_set_face.h"
#include "beats_face.h"
#include "day_one_face.h"
#include "voltage_face.h"
const watch_face_t watch_faces[] = {

177
movement/watch_faces/complications/day_one_face.c Normal file
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@ -0,0 +1,177 @@
#include <stdlib.h>
#include <string.h>
#include "day_one_face.h"
#include "watch.h"
uint32_t _day_one_face_juliandaynum(uint16_t year, uint16_t month, uint16_t day) {
// from here: https://en.wikipedia.org/wiki/Julian_day#Julian_day_number_calculation
return (1461 * (year + 4800 + (month - 14) / 12)) / 4 + (367 * (month - 2 - 12 * ((month - 14) / 12))) / 12 - (3 * ((year + 4900 + (month - 14) / 12) / 100))/4 + day - 32075;
}
void _day_one_face_update(day_one_state_t state) {
char buf[14];
watch_date_time date_time = watch_rtc_get_date_time();
uint32_t julian_date = _day_one_face_juliandaynum(date_time.unit.year + WATCH_RTC_REFERENCE_YEAR, date_time.unit.month, date_time.unit.day);
uint32_t julian_birthdate = _day_one_face_juliandaynum(state.birth_year, state.birth_month, state.birth_day);
sprintf(buf, "DA %6ld", julian_date - julian_birthdate);
watch_display_string(buf, 0);
}
void day_one_face_setup(movement_settings_t *settings, void ** context_ptr) {
(void) settings;
if (*context_ptr == NULL) {
*context_ptr = malloc(sizeof(day_one_state_t));
memset(*context_ptr, 0, sizeof(day_one_state_t));
movement_birthdate_t movement_birthdate = (movement_birthdate_t) watch_get_backup_data(2);
if (movement_birthdate.reg == 0) {
// if birth date is totally blank, set a reasonable starting date. this works well for anyone under 63, but
// you can keep pressing to go back to 1900; just pass the current year. also picked this date because if you
// set it to 1959-01-02, it counts up from the launch of Luna-1, the first spacecraft to leave the well.
movement_birthdate.bit.year = 1959;
movement_birthdate.bit.month = 1;
movement_birthdate.bit.day = 1;
watch_store_backup_data(movement_birthdate.reg, 2);
}
}
}
void day_one_face_activate(movement_settings_t *settings, void *context) {
(void) settings;
day_one_state_t *state = (day_one_state_t *)context;
// stash the current year, useful in birthday setting mode.
watch_date_time date_time = watch_rtc_get_date_time();
state->current_year = date_time.unit.year + WATCH_RTC_REFERENCE_YEAR;
// reset the current page to 0, display days alive.
state->current_page = 0;
// fetch the user's birth date from the birthday register.
movement_birthdate_t movement_birthdate = (movement_birthdate_t) watch_get_backup_data(2);
state->birth_year = movement_birthdate.bit.year;
state->birth_month = movement_birthdate.bit.month;
state->birth_day = movement_birthdate.bit.day;
}
bool day_one_face_loop(movement_event_t event, movement_settings_t *settings, void *context) {
(void) settings;
day_one_state_t *state = (day_one_state_t *)context;
const uint8_t days_in_month[12] = {31, 29, 31, 30, 31, 30, 30, 31, 30, 31, 30, 31};
char buf[6];
switch (event.event_type) {
case EVENT_ACTIVATE:
_day_one_face_update(*state);
break;
case EVENT_LOW_ENERGY_UPDATE:
case EVENT_TICK:
if (state->current_page != 0) {
// if in settings mode, update whatever the current page is
switch (state->current_page) {
case 1:
watch_display_string("YR ", 0);
if (event.subsecond % 2) {
sprintf(buf, "%4d", state->birth_year);
watch_display_string(buf, 4);
}
break;
case 2:
watch_display_string("MO ", 0);
if (event.subsecond % 2) {
sprintf(buf, "%2d", state->birth_month);
watch_display_string(buf, 4);
}
break;
case 3:
watch_display_string("DA ", 0);
if (event.subsecond % 2) {
sprintf(buf, "%2d", state->birth_day);
watch_display_string(buf, 6);
}
break;
}
} else {
// otherwise, check if we have to update. the display only needs to change at midnight!
watch_date_time date_time = watch_rtc_get_date_time();
if (date_time.unit.hour == 0 && date_time.unit.minute == 0 && date_time.unit.second == 0) {
_day_one_face_update(*state);
}
}
break;
case EVENT_MODE_BUTTON_UP:
movement_move_to_next_face();
break;
case EVENT_LIGHT_BUTTON_DOWN:
// only illuminate if we're in display mode
if (state->current_page == 0) movement_illuminate_led();
break;
case EVENT_LIGHT_BUTTON_UP:
// otherwise use the light button to advance settings pages.
if (state->current_page != 0) {
// go to next setting page...
state->current_page = (state->current_page + 1) % 4;
if (state->current_page == 0) {
// ...unless we've been pushed back to display mode.
movement_request_tick_frequency(1);
// force display since it normally won't update til midnight.
_day_one_face_update(*state);
}
}
break;
case EVENT_ALARM_BUTTON_UP:
// if we are on a settings page, increment whatever value we're setting.
if (state->current_page != 0) {
state->birthday_changed = true;
switch (state->current_page) {
case 1:
state->birth_year = state->birth_year + 1;
if (state->birth_year > state->current_year) state->birth_year = 1900;
break;
case 2:
state->birth_month = (state->birth_month % 12) + 1;
break;
case 3:
state->birth_day = state->birth_day + 1;
if (state->birth_day == 0 || state->birth_day > days_in_month[state->birth_month - 1]) {
state->birth_day = 1;
}
break;
}
}
break;
case EVENT_ALARM_LONG_PRESS:
// if we aren't already in settings mode, put us there.
if (state->current_page == 0) {
state->current_page++;
movement_request_tick_frequency(4);
}
break;
case EVENT_TIMEOUT:
// return home if we're on a settings page (this saves our changes when we resign).
if (state->current_page != 0) {
movement_move_to_face(0);
}
default:
break;
}
return true;
}
void day_one_face_resign(movement_settings_t *settings, void *context) {
(void) settings;
day_one_state_t *state = (day_one_state_t *)context;
movement_request_tick_frequency(1);
// if the user changed their birth date, store it to the birth date register
if (state->birthday_changed) {
day_one_state_t *state = (day_one_state_t *)context;
movement_birthdate_t movement_birthdate = (movement_birthdate_t) watch_get_backup_data(2);
movement_birthdate.bit.year = state->birth_year;
movement_birthdate.bit.month = state->birth_month;
movement_birthdate.bit.day = state->birth_day;
watch_store_backup_data(movement_birthdate.reg, 2);
state->birthday_changed = false;
}
}

31
movement/watch_faces/complications/day_one_face.h Normal file
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@ -0,0 +1,31 @@
#ifndef DAY_ONE_FACE_H_
#define DAY_ONE_FACE_H_
#include "movement.h"
// The Day One face is designed to count upwards from the wearer's date of birth. It also functions as an
// interface for setting the birth date register, which other watch faces can use for various purposes.
typedef struct {
uint8_t current_page;
uint16_t current_year;
uint16_t birth_year;
uint8_t birth_month;
uint8_t birth_day;
bool birthday_changed;
} day_one_state_t;
void day_one_face_setup(movement_settings_t *settings, void ** context_ptr);
void day_one_face_activate(movement_settings_t *settings, void *context);
bool day_one_face_loop(movement_event_t event, movement_settings_t *settings, void *context);
void day_one_face_resign(movement_settings_t *settings, void *context);
static const watch_face_t day_one_face = {
day_one_face_setup,
day_one_face_activate,
day_one_face_loop,
day_one_face_resign,
NULL
};
#endif // DAY_ONE_FACE_H_