Advanced clock

movement/make/Makefile

@@ -50,6 +50,7 @@ SRCS += \
   ../movement.c \
   ../filesystem.c \
   ../watch_faces/clock/simple_clock_face.c \
+  ../watch_faces/clock/clock_face.c \
   ../watch_faces/clock/world_clock_face.c \
   ../watch_faces/clock/beats_face.c \
   ../watch_faces/clock/weeknumber_clock_face.c \

movement/movement_faces.h

@@ -26,6 +26,7 @@
 #define MOVEMENT_FACES_H_
 
 #include "simple_clock_face.h"
+#include "clock_face.h"
 #include "world_clock_face.h"
 #include "preferences_face.h"
 #include "set_time_face.h"

movement/watch_faces/clock/clock_face.c

@@ -0,0 +1,282 @@
+/* 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 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_BELL, settings->bit.alarm_enabled);
+}
+
+static void clock_indicate_time_signal(clock_state_t *clock) {
+    clock_indicate(WATCH_INDICATOR_SIGNAL, clock->time_signal_enabled);
+}
+
+static void clock_indicate_24h(movement_settings_t *settings) {
+    clock_indicate(WATCH_INDICATOR_24H, settings->bit.clock_mode_24h);
+}
+
+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);
+}
+
+static void clock_display_all(watch_date_time date_time) {
+    char buf[10 + 1];
+
+    snprintf(
+        buf,
+        sizeof(buf),
+        "%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 (!settings->bit.clock_mode_24h) {
+            // 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);
+    }
+}
+
+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;
+}

movement/watch_faces/clock/clock_face.h

@@ -0,0 +1,60 @@
+/* SPDX-License-Identifier: MIT */
+
+/*
+ * MIT License
+ *
+ * Copyright © 2021-2022 Joey Castillo <joeycastillo@utexas.edu> <jose.castillo@gmail.com>
+ * Copyright © 2022 Alexsander Akers <me@a2.io>
+ * Copyright © 2022 TheOnePerson <a.nebinger@web.de>
+ * Copyright © 2023 Alex Utter <ooterness@gmail.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.
+ */
+
+#ifndef CLOCK_FACE_H_
+#define CLOCK_FACE_H_
+
+/*
+ * CLOCK FACE
+ *
+ * Displays the current local time, just like the original watch.
+ * This is the default display mode in most watch configurations.
+ *
+ * Long-press ALARM to toggle the hourly chime.
+ *
+ */
+
+#include "movement.h"
+
+void clock_face_setup(movement_settings_t *settings, uint8_t watch_face_index, void ** context_ptr);
+void clock_face_activate(movement_settings_t *settings, void *context);
+bool clock_face_loop(movement_event_t event, movement_settings_t *settings, void *context);
+void clock_face_resign(movement_settings_t *settings, void *context);
+bool clock_face_wants_background_task(movement_settings_t *settings, void *context);
+
+#define clock_face ((const watch_face_t) { \
+    clock_face_setup, \
+    clock_face_activate, \
+    clock_face_loop, \
+    clock_face_resign, \
+    clock_face_wants_background_task, \
+})
+
+#endif // CLOCK_FACE_H_