--- /dev/null
- static void clock_display_all(watch_date_time date_time) {
+/* SPDX-License-Identifier: MIT */
+
+/*
+ * MIT License
+ *
+ * Copyright © 2021-2023 Joey Castillo <joeycastillo@utexas.edu> <jose.castillo@gmail.com>
+ * Copyright © 2022 David Keck <davidskeck@users.noreply.github.com>
+ * Copyright © 2022 TheOnePerson <a.nebinger@web.de>
+ * Copyright © 2023 Jeremy O'Brien <neutral@fastmail.com>
+ * Copyright © 2023 Mikhail Svarichevsky <3@14.by>
+ * Copyright © 2023 Wesley Aptekar-Cassels <me@wesleyac.com>
+ * Copyright © 2024 Matheus Afonso Martins Moreira <matheus.a.m.moreira@gmail.com>
+ *
+ * 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 "clock_face.h"
+#include "watch.h"
+#include "watch_utility.h"
+#include "watch_private_display.h"
+
+// 2.2 volts will happen when the battery has maybe 5-10% remaining?
+// we can refine this later.
+#ifndef CLOCK_FACE_LOW_BATTERY_VOLTAGE_THRESHOLD
+#define CLOCK_FACE_LOW_BATTERY_VOLTAGE_THRESHOLD 2200
+#endif
+
+typedef struct {
+ struct {
+ watch_date_time previous;
+ } date_time;
+ uint8_t last_battery_check;
+ uint8_t watch_face_index;
+ bool time_signal_enabled;
+ bool battery_low;
+} clock_state_t;
+
+static bool clock_is_in_24h_mode(movement_settings_t *settings) {
+#ifdef CLOCK_FACE_24H_ONLY
+ return true;
+#else
+ return settings->bit.clock_mode_24h;
+#endif
+}
+
+static void clock_indicate(WatchIndicatorSegment indicator, bool on) {
+ if (on) {
+ watch_set_indicator(indicator);
+ } else {
+ watch_clear_indicator(indicator);
+ }
+}
+
+static void clock_indicate_alarm(movement_settings_t *settings) {
+ clock_indicate(WATCH_INDICATOR_SIGNAL, settings->bit.alarm_enabled);
+}
+
+static void clock_indicate_time_signal(clock_state_t *clock) {
+ clock_indicate(WATCH_INDICATOR_BELL, clock->time_signal_enabled);
+}
+
+static void clock_indicate_24h(movement_settings_t *settings) {
+ clock_indicate(WATCH_INDICATOR_24H, clock_is_in_24h_mode(settings));
+}
+
+static bool clock_is_pm(watch_date_time date_time) {
+ return date_time.unit.hour >= 12;
+}
+
+static void clock_indicate_pm(movement_settings_t *settings, watch_date_time date_time) {
+ if (settings->bit.clock_mode_24h) { return; }
+ clock_indicate(WATCH_INDICATOR_PM, clock_is_pm(date_time));
+}
+
+static void clock_indicate_low_available_power(clock_state_t *clock) {
+ // Set the LAP indicator if battery power is low
+ clock_indicate(WATCH_INDICATOR_LAP, clock->battery_low);
+}
+
+static watch_date_time clock_24h_to_12h(watch_date_time date_time) {
+ date_time.unit.hour %= 12;
+
+ if (date_time.unit.hour == 0) {
+ date_time.unit.hour = 12;
+ }
+
+ return date_time;
+}
+
+static void clock_check_battery_periodically(clock_state_t *clock, watch_date_time date_time) {
+ // check the battery voltage once a day
+ if (date_time.unit.day == clock->last_battery_check) { return; }
+
+ clock->last_battery_check = date_time.unit.day;
+
+ watch_enable_adc();
+ uint16_t voltage = watch_get_vcc_voltage();
+ watch_disable_adc();
+
+ clock->battery_low = voltage < CLOCK_FACE_LOW_BATTERY_VOLTAGE_THRESHOLD;
+
+ clock_indicate_low_available_power(clock);
+}
+
+static void clock_toggle_time_signal(clock_state_t *clock) {
+ clock->time_signal_enabled = !clock->time_signal_enabled;
+ clock_indicate_time_signal(clock);
+}
+
- "%s%2d%2d%02d%02d",
++static void clock_display_all(watch_date_time date_time, bool leading_zero) {
+ char buf[10 + 1];
+
+ snprintf(
+ buf,
+ sizeof(buf),
- clock_display_all(current);
++ leading_zero? "%s%02d%02d%02d%02d" : "%s%2d%2d%02d%02d",
+ watch_utility_get_weekday(date_time),
+ date_time.unit.day,
+ date_time.unit.hour,
+ date_time.unit.minute,
+ date_time.unit.second
+ );
+
+ watch_display_string(buf, 0);
+}
+
+static bool clock_display_some(watch_date_time current, watch_date_time previous) {
+ if ((current.reg >> 6) == (previous.reg >> 6)) {
+ // everything before seconds is the same, don't waste cycles setting those segments.
+
+ watch_display_character_lp_seconds('0' + current.unit.second / 10, 8);
+ watch_display_character_lp_seconds('0' + current.unit.second % 10, 9);
+
+ return true;
+
+ } else if ((current.reg >> 12) == (previous.reg >> 12)) {
+ // everything before minutes is the same.
+
+ char buf[4 + 1];
+
+ snprintf(
+ buf,
+ sizeof(buf),
+ "%02d%02d",
+ current.unit.minute,
+ current.unit.second
+ );
+
+ watch_display_string(buf, 6);
+
+ return true;
+
+ } else {
+ // other stuff changed; let's do it all.
+ return false;
+ }
+}
+
+static void clock_display_clock(movement_settings_t *settings, clock_state_t *clock, watch_date_time current) {
+ if (!clock_display_some(current, clock->date_time.previous)) {
+ if (!clock_is_in_24h_mode(settings)) {
+ // if we are in 12 hour mode, do some cleanup.
+ clock_indicate_pm(settings, current);
+ current = clock_24h_to_12h(current);
+ }
++ clock_display_all(current, settings->bit.clock_24h_leading_zero);
+ }
+}
+
+static void clock_display_low_energy(watch_date_time date_time) {
+ char buf[10 + 1];
+
+ snprintf(
+ buf,
+ sizeof(buf),
+ "%s%2d%2d%02d ",
+ watch_utility_get_weekday(date_time),
+ date_time.unit.day,
+ date_time.unit.hour,
+ date_time.unit.minute
+ );
+
+ watch_display_string(buf, 0);
+}
+
+static void clock_start_tick_tock_animation(void) {
+ if (!watch_tick_animation_is_running()) {
+ watch_start_tick_animation(500);
+ }
+}
+
+static void clock_stop_tick_tock_animation(void) {
+ if (watch_tick_animation_is_running()) {
+ watch_stop_tick_animation();
+ }
+}
+
+void clock_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(clock_state_t));
+ clock_state_t *state = (clock_state_t *) *context_ptr;
+ state->time_signal_enabled = false;
+ state->watch_face_index = watch_face_index;
+ }
+}
+
+void clock_face_activate(movement_settings_t *settings, void *context) {
+ clock_state_t *clock = (clock_state_t *) context;
+
+ clock_stop_tick_tock_animation();
+
+ clock_indicate_time_signal(clock);
+ clock_indicate_alarm(settings);
+ clock_indicate_24h(settings);
+
+ watch_set_colon();
+
+ // this ensures that none of the timestamp fields will match, so we can re-render them all.
+ clock->date_time.previous.reg = 0xFFFFFFFF;
+}
+
+bool clock_face_loop(movement_event_t event, movement_settings_t *settings, void *context) {
+ clock_state_t *state = (clock_state_t *) context;
+ watch_date_time current;
+
+ switch (event.event_type) {
+ case EVENT_LOW_ENERGY_UPDATE:
+ clock_start_tick_tock_animation();
+ clock_display_low_energy(watch_rtc_get_date_time());
+ break;
+ case EVENT_TICK:
+ case EVENT_ACTIVATE:
+ current = watch_rtc_get_date_time();
+
+ clock_display_clock(settings, state, current);
+
+ clock_check_battery_periodically(state, current);
+
+ state->date_time.previous = current;
+
+ break;
+ case EVENT_ALARM_LONG_PRESS:
+ clock_toggle_time_signal(state);
+ break;
+ case EVENT_BACKGROUND_TASK:
+ // uncomment this line to snap back to the clock face when the hour signal sounds:
+ // movement_move_to_face(state->watch_face_index);
+ movement_play_signal();
+ break;
+ default:
+ return movement_default_loop_handler(event, settings);
+ }
+
+ return true;
+}
+
+void clock_face_resign(movement_settings_t *settings, void *context) {
+ (void) settings;
+ (void) context;
+}
+
+bool clock_face_wants_background_task(movement_settings_t *settings, void *context) {
+ (void) settings;
+ clock_state_t *state = (clock_state_t *) context;
+ if (!state->time_signal_enabled) return false;
+
+ watch_date_time date_time = watch_rtc_get_date_time();
+
+ return date_time.unit.minute == 0;
+}
projects / sensor-watch.git / commitdiff