faces: restore simple_clock_face

Restore the original simple clock face as requested.

movement/make/Makefile

@@ -51,6 +51,7 @@ SRCS += \
   ../filesystem.c \
   ../shell.c \
   ../shell_cmd_list.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 \

movement/movement_config.h

@@ -28,7 +28,7 @@
 #include "movement_faces.h"
 
 const watch_face_t watch_faces[] = {
-    clock_face,
+    simple_clock_face,
     world_clock_face,
     sunrise_sunset_face,
     moon_phase_face,

movement/movement_faces.h

@@ -25,6 +25,7 @@
 #ifndef MOVEMENT_FACES_H_
 #define MOVEMENT_FACES_H_
 
+#include "simple_clock_face.h"
 #include "clock_face.h"
 #include "world_clock_face.h"
 #include "preferences_face.h"

movement/watch_faces/clock/simple_clock_face.c

@@ -0,0 +1,161 @@
+/*
+ * MIT License
+ *
+ * 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 "simple_clock_face.h"
+#include "watch.h"
+#include "watch_utility.h"
+#include "watch_private_display.h"
+
+static void _update_alarm_indicator(bool settings_alarm_enabled, simple_clock_state_t *state) {
+    state->alarm_enabled = settings_alarm_enabled;
+    if (state->alarm_enabled) watch_set_indicator(WATCH_INDICATOR_SIGNAL);
+    else watch_clear_indicator(WATCH_INDICATOR_SIGNAL);
+}
+
+void simple_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(simple_clock_state_t));
+        simple_clock_state_t *state = (simple_clock_state_t *)*context_ptr;
+        state->signal_enabled = false;
+        state->watch_face_index = watch_face_index;
+    }
+}
+
+void simple_clock_face_activate(movement_settings_t *settings, void *context) {
+    simple_clock_state_t *state = (simple_clock_state_t *)context;
+
+    if (watch_tick_animation_is_running()) watch_stop_tick_animation();
+
+    if (settings->bit.clock_mode_24h) watch_set_indicator(WATCH_INDICATOR_24H);
+
+    // handle chime indicator
+    if (state->signal_enabled) watch_set_indicator(WATCH_INDICATOR_BELL);
+    else watch_clear_indicator(WATCH_INDICATOR_BELL);
+
+    // show alarm indicator if there is an active alarm
+    _update_alarm_indicator(settings->bit.alarm_enabled, state);
+
+    watch_set_colon();
+
+    // this ensures that none of the timestamp fields will match, so we can re-render them all.
+    state->previous_date_time = 0xFFFFFFFF;
+}
+
+bool simple_clock_face_loop(movement_event_t event, movement_settings_t *settings, void *context) {
+    simple_clock_state_t *state = (simple_clock_state_t *)context;
+    char buf[11];
+    uint8_t pos;
+
+    watch_date_time date_time;
+    uint32_t previous_date_time;
+    switch (event.event_type) {
+        case EVENT_ACTIVATE:
+        case EVENT_TICK:
+        case EVENT_LOW_ENERGY_UPDATE:
+            date_time = watch_rtc_get_date_time();
+            previous_date_time = state->previous_date_time;
+            state->previous_date_time = date_time.reg;
+
+            // check the battery voltage once a day...
+            if (date_time.unit.day != state->last_battery_check) {
+                state->last_battery_check = date_time.unit.day;
+                watch_enable_adc();
+                uint16_t voltage = watch_get_vcc_voltage();
+                watch_disable_adc();
+                // 2.2 volts will happen when the battery has maybe 5-10% remaining?
+                // we can refine this later.
+                state->battery_low = (voltage < 2200);
+            }
+
+            // ...and set the LAP indicator if low.
+            if (state->battery_low) watch_set_indicator(WATCH_INDICATOR_LAP);
+
+            if ((date_time.reg >> 6) == (previous_date_time >> 6) && event.event_type != EVENT_LOW_ENERGY_UPDATE) {
+                // everything before seconds is the same, don't waste cycles setting those segments.
+                watch_display_character_lp_seconds('0' + date_time.unit.second / 10, 8);
+                watch_display_character_lp_seconds('0' + date_time.unit.second % 10, 9);
+                break;
+            } else if ((date_time.reg >> 12) == (previous_date_time >> 12) && event.event_type != EVENT_LOW_ENERGY_UPDATE) {
+                // everything before minutes is the same.
+                pos = 6;
+                sprintf(buf, "%02d%02d", date_time.unit.minute, date_time.unit.second);
+            } else {
+                // other stuff changed; let's do it all.
+                if (!settings->bit.clock_mode_24h) {
+                    // if we are in 12 hour mode, do some cleanup.
+                    if (date_time.unit.hour < 12) {
+                        watch_clear_indicator(WATCH_INDICATOR_PM);
+                    } else {
+                        watch_set_indicator(WATCH_INDICATOR_PM);
+                    }
+                    date_time.unit.hour %= 12;
+                    if (date_time.unit.hour == 0) date_time.unit.hour = 12;
+                }
+                pos = 0;
+                if (event.event_type == EVENT_LOW_ENERGY_UPDATE) {
+                    if (!watch_tick_animation_is_running()) watch_start_tick_animation(500);
+                    sprintf(buf, "%s%2d%2d%02d  ", watch_utility_get_weekday(date_time), date_time.unit.day, date_time.unit.hour, date_time.unit.minute);
+                } else {
+                    sprintf(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, pos);
+            // handle alarm indicator
+            if (state->alarm_enabled != settings->bit.alarm_enabled) _update_alarm_indicator(settings->bit.alarm_enabled, state);
+            break;
+        case EVENT_ALARM_LONG_PRESS:
+            state->signal_enabled = !state->signal_enabled;
+            if (state->signal_enabled) watch_set_indicator(WATCH_INDICATOR_BELL);
+            else watch_clear_indicator(WATCH_INDICATOR_BELL);
+            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 simple_clock_face_resign(movement_settings_t *settings, void *context) {
+    (void) settings;
+    (void) context;
+}
+
+bool simple_clock_face_wants_background_task(movement_settings_t *settings, void *context) {
+    (void) settings;
+    simple_clock_state_t *state = (simple_clock_state_t *)context;
+    if (!state->signal_enabled) return false;
+
+    watch_date_time date_time = watch_rtc_get_date_time();
+
+    return date_time.unit.minute == 0;
+}

movement/watch_faces/clock/simple_clock_face.h

@@ -0,0 +1,62 @@
+/*
+ * MIT License
+ *
+ * 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.
+ */
+
+#ifndef SIMPLE_CLOCK_FACE_H_
+#define SIMPLE_CLOCK_FACE_H_
+
+/*
+ * SIMPLE CLOCK FACE
+ *
+ * Displays the current time, matching the original operation of the watch.
+ * This is the default display mode in most watch configurations.
+ *
+ * Long-press ALARM to toggle the hourly chime.
+ */
+
+#include "movement.h"
+
+typedef struct {
+    uint32_t previous_date_time;
+    uint8_t last_battery_check;
+    uint8_t watch_face_index;
+    bool signal_enabled;
+    bool battery_low;
+    bool alarm_enabled;
+} simple_clock_state_t;
+
+void simple_clock_face_setup(movement_settings_t *settings, uint8_t watch_face_index, void ** context_ptr);
+void simple_clock_face_activate(movement_settings_t *settings, void *context);
+bool simple_clock_face_loop(movement_event_t event, movement_settings_t *settings, void *context);
+void simple_clock_face_resign(movement_settings_t *settings, void *context);
+bool simple_clock_face_wants_background_task(movement_settings_t *settings, void *context);
+
+#define simple_clock_face ((const watch_face_t){ \
+    simple_clock_face_setup, \
+    simple_clock_face_activate, \
+    simple_clock_face_loop, \
+    simple_clock_face_resign, \
+    simple_clock_face_wants_background_task, \
+})
+
+#endif // SIMPLE_CLOCK_FACE_H_