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/*
* MIT License
*
* Copyright (c) 2022 Wesley Ellis
* 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.
*/
#include <stdlib.h>
#include <string.h>
#include "stopwatch_face.h"
#include "watch.h"
#include "watch_utility.h"
// distant future for background task: January 1, 2083
// see stopwatch_face_activate for details
static const watch_date_time distant_future = {
.unit = {0, 0, 0, 1, 1, 63}
};
void stopwatch_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(stopwatch_state_t));
memset(*context_ptr, 0, sizeof(stopwatch_state_t));
}
}
static void _stopwatch_face_update_display(stopwatch_state_t *stopwatch_state, bool show_seconds) {
if (stopwatch_state->running) {
watch_date_time now = watch_rtc_get_date_time();
uint32_t now_timestamp = watch_utility_date_time_to_unix_time(now, 0);
uint32_t start_timestamp = watch_utility_date_time_to_unix_time(stopwatch_state->start_time, 0);
stopwatch_state->seconds_counted = now_timestamp - start_timestamp;
}
if (stopwatch_state->seconds_counted >= 3456000) {
// display maxes out just shy of 40 days, thanks to the limit on the day digits (0-39)
stopwatch_state->running = false;
movement_cancel_background_task();
watch_display_string("st39235959", 0);
return;
}
watch_duration_t duration = watch_utility_seconds_to_duration(stopwatch_state->seconds_counted);
char buf[14];
sprintf(buf, "st %02d%02d ", duration.hours, duration.minutes);
watch_display_string(buf, 0);
if (duration.days != 0) {
sprintf(buf, "%2d", (uint8_t)duration.days);
watch_display_string(buf, 2);
}
if (show_seconds) {
sprintf(buf, "%02d", duration.seconds);
watch_display_string(buf, 8);
}
}
void stopwatch_face_activate(movement_settings_t *settings, void *context) {
(void) settings;
if (watch_tick_animation_is_running()) watch_stop_tick_animation();
stopwatch_state_t *stopwatch_state = (stopwatch_state_t *)context;
if (stopwatch_state->running) {
// because the low power update happens on the minute mark, and the wearer could start
// the stopwatch anytime, the low power update could fire up to 59 seconds later than
// we need it to, causing the stopwatch to display stale data.
// So let's schedule a background task that will never fire. This will keep the watch
// from entering low energy mode while the stopwatch is on screen. This background task
// will remain scheduled until the stopwatch stops OR this watch face resigns.
movement_schedule_background_task(distant_future);
}
}
bool stopwatch_face_loop(movement_event_t event, movement_settings_t *settings, void *context) {
stopwatch_state_t *stopwatch_state = (stopwatch_state_t *)context;
switch (event.event_type) {
case EVENT_ACTIVATE:
watch_set_colon();
// fall through
case EVENT_TICK:
if (stopwatch_state->start_time.reg == 0) {
watch_display_string("st 000000", 0);
} else {
_stopwatch_face_update_display(stopwatch_state, true);
}
break;
case EVENT_LIGHT_BUTTON_DOWN:
movement_illuminate_led();
if (!stopwatch_state->running) {
stopwatch_state->start_time.reg = 0;
stopwatch_state->seconds_counted = 0;
watch_display_string("st 000000", 0);
}
break;
case EVENT_ALARM_BUTTON_DOWN:
if (settings->bit.button_should_sound) {
watch_buzzer_play_note(BUZZER_NOTE_C8, 50);
}
stopwatch_state->running = !stopwatch_state->running;
if (stopwatch_state->running) {
// we're running now, so we need to set the start_time.
if (stopwatch_state->start_time.reg == 0) {
// if starting from the reset state, easy: we start now.
stopwatch_state->start_time = watch_rtc_get_date_time();
} else {
// if resuming with time already on the clock, the original start time isn't valid anymore!
// so let's fetch the current time...
uint32_t timestamp = watch_utility_date_time_to_unix_time(watch_rtc_get_date_time(), 0);
// ...subtract the seconds we've already counted...
timestamp -= stopwatch_state->seconds_counted;
// and resume from the "virtual" start time that's that many seconds ago.
stopwatch_state->start_time = watch_utility_date_time_from_unix_time(timestamp, 0);
}
// schedule our keepalive task when running...
movement_schedule_background_task(distant_future);
} else {
// and cancel it when stopped.
movement_cancel_background_task();
}
break;
case EVENT_TIMEOUT:
// explicitly ignore the timeout event so we stay on screen
break;
case EVENT_LOW_ENERGY_UPDATE:
if (!watch_tick_animation_is_running()) watch_start_tick_animation(1000);
if (!stopwatch_state->running) {
// since the tick animation is running, displaying the stopped time could be misleading,
// as it could imply that the stopwatch is running. instead, show a blank display to
// indicate that we are in sleep mode.
watch_display_string("st ---- ", 0);
} else {
// this OTOH shouldn't happen anymore; if we're running, we shouldn't enter low energy mode
_stopwatch_face_update_display(stopwatch_state, false);
watch_set_indicator(WATCH_INDICATOR_BELL);
}
break;
default:
return movement_default_loop_handler(event, settings);
}
return true;
}
void stopwatch_face_resign(movement_settings_t *settings, void *context) {
(void) settings;
(void) context;
// regardless of whether we're running or stopped, cancel the task
// that was keeping us awake while on screen.
movement_cancel_background_task();
}
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