mirror of
https://github.com/joeycastillo/second-movement.git
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312 lines
13 KiB
C
312 lines
13 KiB
C
/*
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* MIT License
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*
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* Copyright (c) 2022 Joey Castillo
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include <stdlib.h>
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#include <string.h>
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#include "days_since_face.h"
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#include "watch.h"
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#include "watch_utility.h"
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#include "filesystem.h"
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static int days_since_instances;
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static void persist_date(days_since_state_t *state) {
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days_since_date_t maybe_date;
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days_since_date_t current_date = {0};
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current_date.bit.year = state->working_year;
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current_date.bit.month = state->working_month;
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current_date.bit.day = state->working_day;
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char filename[13];
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maybe_date.reg = 0xFFFFFFFF;
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sprintf(filename, "since%03d.u32", state->face_index);
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filesystem_read_file(filename, (char *) &maybe_date.reg, sizeof(days_since_date_t));
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if (current_date.reg != maybe_date.reg) {
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filesystem_write_file(filename, (char *) ¤t_date.reg, sizeof(days_since_date_t));
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}
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}
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static uint32_t _days_since_face_juliandaynum(uint16_t year, uint16_t month, uint16_t day) {
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// from here: https://en.wikipedia.org/wiki/Julian_day#Julian_day_number_calculation
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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;
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}
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static void _days_since_face_update(days_since_state_t *state) {
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char buf[15];
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watch_date_time_t date_time = watch_rtc_get_date_time();
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uint32_t julian_now_date = _days_since_face_juliandaynum(date_time.unit.year + WATCH_RTC_REFERENCE_YEAR, date_time.unit.month, date_time.unit.day);
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uint32_t julian_since_date = _days_since_face_juliandaynum(state->working_year, state->working_month, state->working_day);
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watch_display_text_with_fallback(WATCH_POSITION_TOP_LEFT, "DAY", "DA");
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watch_display_text(WATCH_POSITION_TOP_RIGHT, " ");
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if (julian_now_date < julian_since_date) {
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sprintf(buf, "%6lu", julian_since_date - julian_now_date);
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} else {
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sprintf(buf, "%6lu", julian_now_date - julian_since_date);
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}
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watch_display_text(WATCH_POSITION_BOTTOM, buf);
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}
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static void _days_since_face_abort_quick_cycle(days_since_state_t *state) {
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if (state->quick_cycle) {
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state->quick_cycle = false;
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movement_request_tick_frequency(4);
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}
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}
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static void _days_since_face_increment(days_since_state_t *state) {
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state->birthday_changed = true;
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switch (state->current_page) {
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case PAGE_YEAR:
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state->working_year = state->working_year + 1;
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if (state->working_year > 2080) state->working_year = 1900;
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break;
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case PAGE_MONTH:
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state->working_month = (state->working_month % 12) + 1;
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break;
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case PAGE_DAY:
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state->working_day = (state->working_day % watch_utility_days_in_month(state->working_month, state->working_year)) + 1;
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break;
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default:
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break;
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}
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}
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void days_since_face_setup(uint8_t watch_face_index, void ** context_ptr) {
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(void) watch_face_index;
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if (*context_ptr == NULL) {
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*context_ptr = malloc(sizeof(days_since_state_t));
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memset(*context_ptr, 0, sizeof(days_since_state_t));
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days_since_date_t since_date = {0};
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days_since_state_t *state = (days_since_state_t *)*context_ptr;
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state->face_index = days_since_instances++;
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// load date from file if it exists
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char filename[13];
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sprintf(filename, "since%03d.u32", state->face_index);
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if (filesystem_file_exists(filename)) {
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filesystem_read_file(filename, (char *) &since_date, sizeof(days_since_date_t));
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} else {
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// if birth date is not set, set a reasonable starting date. this works well for anyone under 65, but
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// you can keep pressing to go back to 1900; just go past the year 2080.
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since_date.bit.year = 1959;
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since_date.bit.month = 1;
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since_date.bit.day = 1;
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}
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state->working_year = since_date.bit.year;
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state->working_month = since_date.bit.month;
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state->working_day = since_date.bit.day;
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}
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}
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void days_since_face_activate(void *context) {
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days_since_state_t *state = (days_since_state_t *)context;
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state->current_page = PAGE_DISPLAY;
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state->quick_cycle = false;
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state->ticks = 0;
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}
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bool days_since_face_loop(movement_event_t event, void *context) {
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days_since_state_t *state = (days_since_state_t *)context;
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char buf[9];
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switch (event.event_type) {
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case EVENT_ACTIVATE:
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_days_since_face_update(state);
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break;
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case EVENT_LOW_ENERGY_UPDATE:
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case EVENT_TICK:
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if (state->quick_cycle) {
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if (HAL_GPIO_BTN_ALARM_read()) {
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_days_since_face_increment(state);
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} else {
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_days_since_face_abort_quick_cycle(state);
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}
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}
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switch (state->current_page) {
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// if in settings mode, update whatever the current page is
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case PAGE_YEAR:
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watch_display_text_with_fallback(WATCH_POSITION_TOP, "Year ", "YR");
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if (event.subsecond % 2) {
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sprintf(buf, "%4d ", state->working_year);
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watch_display_text(WATCH_POSITION_BOTTOM, buf);
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} else {
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watch_display_text(WATCH_POSITION_BOTTOM, " ");
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}
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break;
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case PAGE_MONTH:
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watch_display_text_with_fallback(WATCH_POSITION_TOP, "Month", "MO");
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if (event.subsecond % 2) {
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sprintf(buf, "%2d ", state->working_month);
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watch_display_text(WATCH_POSITION_BOTTOM, buf);
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} else {
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watch_display_text(WATCH_POSITION_BOTTOM, " ");
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}
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break;
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case PAGE_DAY:
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watch_display_text_with_fallback(WATCH_POSITION_TOP, "Day ", "DA");
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if (event.subsecond % 2) {
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sprintf(buf, " %2d ", state->working_day);
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watch_display_text(WATCH_POSITION_BOTTOM, buf);
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} else {
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watch_display_text(WATCH_POSITION_BOTTOM, " ");
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}
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break;
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// otherwise, check if we have to update. the display only needs to change at midnight!
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case PAGE_DISPLAY: {
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watch_date_time_t date_time = watch_rtc_get_date_time();
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if (date_time.unit.hour == 0 && date_time.unit.minute == 0 && date_time.unit.second == 0) {
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_days_since_face_update(state);
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}
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break;}
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case PAGE_DATE:
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if (state->ticks > 0) {
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state->ticks--;
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} else {
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state->current_page = PAGE_DISPLAY;
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_days_since_face_update(state);
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}
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break;
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default:
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break;
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}
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break;
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case EVENT_LIGHT_BUTTON_DOWN:
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// only illuminate if we're in display mode
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switch (state->current_page) {
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case PAGE_DISPLAY:
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// fall through
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case PAGE_DATE:
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movement_illuminate_led();
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break;
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default:
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break;
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}
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break;
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case EVENT_LIGHT_BUTTON_UP:
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// otherwise use the light button to advance settings pages.
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switch (state->current_page) {
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case PAGE_YEAR:
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// fall through
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case PAGE_MONTH:
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// fall through
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case PAGE_DAY:
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// go to next setting page...
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state->current_page = (state->current_page + 1) % 4;
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if (state->current_page == PAGE_DISPLAY) {
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// ...unless we've been pushed back to display mode.
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movement_request_tick_frequency(1);
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// save the date if it changed
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persist_date(state);
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// and force display since it normally won't update til midnight.
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_days_since_face_update(state);
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}
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break;
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default:
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break;
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}
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break;
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case EVENT_ALARM_BUTTON_UP:
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// if we are on a settings page, increment whatever value we're setting.
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switch (state->current_page) {
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case PAGE_YEAR:
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// fall through
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case PAGE_MONTH:
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// fall through
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case PAGE_DAY:
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_days_since_face_abort_quick_cycle(state);
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_days_since_face_increment(state);
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break;
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case PAGE_DISPLAY:
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{
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watch_date_time_t date_time = watch_rtc_get_date_time();
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uint32_t julian_now_date = _days_since_face_juliandaynum(date_time.unit.year + WATCH_RTC_REFERENCE_YEAR, date_time.unit.month, date_time.unit.day);
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uint32_t julian_since_date = _days_since_face_juliandaynum(state->working_year, state->working_month, state->working_day);
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if (julian_now_date < julian_since_date) {
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watch_display_text_with_fallback(WATCH_POSITION_TOP, "Until", "DA");
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} else {
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watch_display_text_with_fallback(WATCH_POSITION_TOP, "SINCE", "DA");
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}
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state->current_page = PAGE_DATE;
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sprintf(buf, "%02d%02d%02d", state->working_year % 100, state->working_month % 100, state->working_day % 100);
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watch_display_text(WATCH_POSITION_BOTTOM, buf);
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state->ticks = 2;
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}
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break;
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default:
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break;
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}
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break;
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case EVENT_ALARM_LONG_PRESS:
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// if we aren't already in settings mode, put us there.
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switch (state->current_page) {
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case PAGE_DISPLAY:
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state->current_page++;
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movement_request_tick_frequency(4);
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break;
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case PAGE_YEAR:
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// fall through
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case PAGE_MONTH:
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// fall through
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case PAGE_DAY:
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state->quick_cycle = true;
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movement_request_tick_frequency(8);
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break;
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default:
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break;
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}
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break;
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case EVENT_ALARM_LONG_UP:
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_days_since_face_abort_quick_cycle(state);
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break;
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case EVENT_TIMEOUT:
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_days_since_face_abort_quick_cycle(state);
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// return home if we're on a settings page (this saves our changes when we resign).
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if (state->current_page != PAGE_DISPLAY) {
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movement_move_to_face(0);
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}
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break;
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default:
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movement_default_loop_handler(event);
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break;
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}
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return true;
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}
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void days_since_face_resign(void *context) {
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days_since_state_t *state = (days_since_state_t *)context;
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// if the user changed their birth date, store it to the birth date register
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if (state->birthday_changed) {
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days_since_state_t *state = (days_since_state_t *)context;
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persist_date(state);
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state->birthday_changed = false;
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}
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}
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