]> git.earman.xyz Git - sensor-watch.git/commitdiff
move day one face into Second Movement as generic 'days since' face
authorJoey Castillo <joeycastillo@utexas.edu>
Sat, 22 Mar 2025 14:09:10 +0000 (10:09 -0400)
committerJoey Castillo <joeycastillo@utexas.edu>
Sat, 22 Mar 2025 14:09:10 +0000 (10:09 -0400)
legacy/watch_faces/complication/day_one_face.c [deleted file]
legacy/watch_faces/complication/day_one_face.h [deleted file]
movement.h
movement_faces.h
watch-faces.mk
watch-faces/complication/days_since_face.c [new file with mode: 0644]
watch-faces/complication/days_since_face.h [new file with mode: 0644]

diff --git a/legacy/watch_faces/complication/day_one_face.c b/legacy/watch_faces/complication/day_one_face.c
deleted file mode 100644 (file)
index 2315233..0000000
+++ /dev/null
@@ -1,270 +0,0 @@
-/*
- * 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 <string.h>
-#include "day_one_face.h"
-#include "watch.h"
-#include "watch_utility.h"
-
-static uint32_t _day_one_face_juliandaynum(uint16_t year, uint16_t month, uint16_t day) {
-    // from here: https://en.wikipedia.org/wiki/Julian_day#Julian_day_number_calculation
-    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;
-}
-
-static void _day_one_face_update(day_one_state_t *state) {
-    char buf[15];
-    watch_date_time_t date_time = watch_rtc_get_date_time();
-    uint32_t julian_date = _day_one_face_juliandaynum(date_time.unit.year + WATCH_RTC_REFERENCE_YEAR, date_time.unit.month, date_time.unit.day);
-    uint32_t julian_birthdate = _day_one_face_juliandaynum(state->birth_year, state->birth_month, state->birth_day);
-    if (julian_date < julian_birthdate) {
-        sprintf(buf, "DA  %6lu", julian_birthdate - julian_date);
-    } else {
-        sprintf(buf, "DA  %6lu", julian_date - julian_birthdate);
-    }
-    watch_display_string(buf, 0);
-}
-
-static void _day_one_face_abort_quick_cycle(day_one_state_t *state) {
-    if (state->quick_cycle) {
-        state->quick_cycle = false;
-        movement_request_tick_frequency(4);
-    }
-}
-
-static void _day_one_face_increment(day_one_state_t *state) {
-    state->birthday_changed = true;
-    switch (state->current_page) {
-        case PAGE_YEAR:
-            state->birth_year = state->birth_year + 1;
-            if (state->birth_year > 2080) state->birth_year = 1900;
-            break;
-        case PAGE_MONTH:
-            state->birth_month = (state->birth_month % 12) + 1;
-            break;
-        case PAGE_DAY:
-            state->birth_day = (state->birth_day % watch_utility_days_in_month(state->birth_month, state->birth_year)) + 1;
-            break;
-        default:
-            break;
-    }
-}
-
-void day_one_face_setup(uint8_t watch_face_index, void ** context_ptr) {
-    (void) watch_face_index;
-    if (*context_ptr == NULL) {
-        *context_ptr = malloc(sizeof(day_one_state_t));
-        memset(*context_ptr, 0, sizeof(day_one_state_t));
-        movement_birthdate_t movement_birthdate = (movement_birthdate_t) watch_get_backup_data(2);
-        if (movement_birthdate.reg == 0) {
-            // if birth date is totally blank, set a reasonable starting date. this works well for anyone under 63, but
-            // you can keep pressing to go back to 1900; just pass the year 2080. also picked this date because if you
-            // set it to 1959-01-02, it counts up from the launch of Luna-1, the first spacecraft to leave the well.
-            movement_birthdate.bit.year = 1959;
-            movement_birthdate.bit.month = 1;
-            movement_birthdate.bit.day = 1;
-            watch_store_backup_data(movement_birthdate.reg, 2);
-        }
-    }
-}
-
-void day_one_face_activate(void *context) {
-    day_one_state_t *state = (day_one_state_t *)context;
-
-    state->current_page = PAGE_DISPLAY;
-    state->quick_cycle = false;
-    state->ticks = 0;
-
-    // fetch the user's birth date from the birthday register.
-    movement_birthdate_t movement_birthdate = (movement_birthdate_t) watch_get_backup_data(2);
-    state->birth_year = movement_birthdate.bit.year;
-    state->birth_month = movement_birthdate.bit.month;
-    state->birth_day = movement_birthdate.bit.day;
-}
-
-bool day_one_face_loop(movement_event_t event, void *context) {
-    day_one_state_t *state = (day_one_state_t *)context;
-
-    char buf[9];
-
-    switch (event.event_type) {
-        case EVENT_ACTIVATE:
-            _day_one_face_update(state);
-            break;
-        case EVENT_LOW_ENERGY_UPDATE:
-        case EVENT_TICK:
-            if (state->quick_cycle) {
-                if (HAL_GPIO_BTN_ALARM_read()) {
-                    _day_one_face_increment(state);
-                } else {
-                    _day_one_face_abort_quick_cycle(state);
-                }
-            }
-            switch (state->current_page) {
-                // if in settings mode, update whatever the current page is
-                case PAGE_YEAR:
-                    watch_display_string("YR        ", 0);
-                    if (event.subsecond % 2) {
-                        sprintf(buf, "%4d", state->birth_year);
-                        watch_display_string(buf, 4);
-                    }
-                    break;
-                case PAGE_MONTH:
-                    watch_display_string("MO        ", 0);
-                    if (event.subsecond % 2) {
-                        sprintf(buf, "%2d", state->birth_month);
-                        watch_display_string(buf, 4);
-                    }
-                    break;
-                case PAGE_DAY:
-                    watch_display_string("DA        ", 0);
-                    if (event.subsecond % 2) {
-                        sprintf(buf, "%2d", state->birth_day);
-                        watch_display_string(buf, 6);
-                    }
-                    break;
-                // otherwise, check if we have to update. the display only needs to change at midnight!
-                case PAGE_DISPLAY: {
-                    watch_date_time_t date_time = watch_rtc_get_date_time();
-                    if (date_time.unit.hour == 0 &&  date_time.unit.minute == 0 && date_time.unit.second == 0) {
-                        _day_one_face_update(state);
-                    }
-                    break;}
-                case PAGE_DATE:
-                    if (state->ticks > 0) {
-                        state->ticks--;
-                    } else {
-                        state->current_page = PAGE_DISPLAY;
-                        _day_one_face_update(state);
-                    }
-                    break;
-                default:
-                    break;
-            }
-            break;
-        case EVENT_LIGHT_BUTTON_DOWN:
-            // only illuminate if we're in display mode
-            switch (state->current_page) {
-                case PAGE_DISPLAY:
-                    // fall through
-                case PAGE_DATE:
-                    movement_illuminate_led();
-                    break;
-                default:
-                    break;
-            }
-            break;
-        case EVENT_LIGHT_BUTTON_UP:
-            // otherwise use the light button to advance settings pages.
-            switch (state->current_page) {
-                case PAGE_YEAR:
-                    // fall through
-                case PAGE_MONTH:
-                    // fall through
-                case PAGE_DAY:
-                    // go to next setting page...
-                    state->current_page = (state->current_page + 1) % 4;
-                    if (state->current_page == PAGE_DISPLAY) {
-                        // ...unless we've been pushed back to display mode.
-                        movement_request_tick_frequency(1);
-                        // force display since it normally won't update til midnight.
-                        _day_one_face_update(state);
-                    }
-                    break;
-                default:
-                    break;
-            }
-            break;
-        case EVENT_ALARM_BUTTON_UP:
-            // if we are on a settings page, increment whatever value we're setting.
-            switch (state->current_page) {
-                case PAGE_YEAR:
-                    // fall through
-                case PAGE_MONTH:
-                    // fall through
-                case PAGE_DAY:
-                    _day_one_face_abort_quick_cycle(state);
-                    _day_one_face_increment(state);
-                    break;
-                case PAGE_DISPLAY:
-                    state->current_page = PAGE_DATE;
-                    sprintf(buf, "%04d%02d%02d", state->birth_year % 10000, state->birth_month % 100, state->birth_day % 100);
-                    watch_display_string(buf, 2);
-                    state->ticks = 2;
-                    break;
-                default:
-                    break;
-            }
-            break;
-        case EVENT_ALARM_LONG_PRESS:
-            // if we aren't already in settings mode, put us there.
-            switch (state->current_page) {
-                case PAGE_DISPLAY:
-                    state->current_page++;
-                    movement_request_tick_frequency(4);
-                    break;
-                case PAGE_YEAR:
-                    // fall through
-                case PAGE_MONTH:
-                    // fall through
-                case PAGE_DAY:
-                    state->quick_cycle = true;
-                    movement_request_tick_frequency(8);
-                    break;
-                default:
-                    break;
-            }
-            break;
-        case EVENT_ALARM_LONG_UP:
-            _day_one_face_abort_quick_cycle(state);
-            break;
-        case EVENT_TIMEOUT:
-            _day_one_face_abort_quick_cycle(state);
-            // return home if we're on a settings page (this saves our changes when we resign).
-            if (state->current_page != PAGE_DISPLAY) {
-                movement_move_to_face(0);
-            }
-            break;
-        default:
-            movement_default_loop_handler(event);
-            break;
-    }
-
-    return true;
-}
-
-void day_one_face_resign(void *context) {
-    day_one_state_t *state = (day_one_state_t *)context;
-
-    // if the user changed their birth date, store it to the birth date register
-    if (state->birthday_changed) {
-        day_one_state_t *state = (day_one_state_t *)context;
-        movement_birthdate_t movement_birthdate = (movement_birthdate_t) watch_get_backup_data(2);
-        movement_birthdate.bit.year = state->birth_year;
-        movement_birthdate.bit.month = state->birth_month;
-        movement_birthdate.bit.day = state->birth_day;
-        watch_store_backup_data(movement_birthdate.reg, 2);
-        state->birthday_changed = false;
-    }
-}
diff --git a/legacy/watch_faces/complication/day_one_face.h b/legacy/watch_faces/complication/day_one_face.h
deleted file mode 100644 (file)
index ab6a3ce..0000000
+++ /dev/null
@@ -1,83 +0,0 @@
-/*
- * 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 DAY_ONE_FACE_H_
-#define DAY_ONE_FACE_H_
-
-/*
- * DAY ONE face
- *
- * This watch face displays the number of days since or until a given date.
- * It was originally designed to display the number of days you’ve been alive,
- * but technically it can count up from any date in the 20th century or the
- * 21st century, so far.
- *
- * Long press on the Alarm button to enter customization mode. The text “YR”
- * will appear, and will allow you to set the year starting from 1959. Press
- * Alarm repeatedly to advance the year. If your birthday is before 1959,
- * advance beyond the current year and it will wrap around to 1900.
- *
- * Once you have set the year, press Light to set the month (“MO”) and
- * day (“DA”), advancing the value by pressing Alarm repeatedly.
- *
- * Note that at this time, the Day One face does not display the sleep
- * indicator in sleep mode, which may make the watch appear to be
- * unresponsive in sleep mode. You can still press the Alarm button to
- * wake the watch. This UI quirk will be addressed in a future update.
- */
-
-#include "movement.h"
-
-typedef enum {
-    PAGE_DISPLAY,
-    PAGE_YEAR,
-    PAGE_MONTH,
-    PAGE_DAY,
-    PAGE_DATE
-} day_one_page_t;
-
-typedef struct {
-    day_one_page_t current_page;
-    uint16_t birth_year;
-    uint8_t birth_month;
-    uint8_t birth_day;
-    bool birthday_changed;
-    bool quick_cycle;
-    uint8_t ticks;
-} day_one_state_t;
-
-void day_one_face_setup(uint8_t watch_face_index, void ** context_ptr);
-void day_one_face_activate(void *context);
-bool day_one_face_loop(movement_event_t event, void *context);
-void day_one_face_resign(void *context);
-
-#define day_one_face ((const watch_face_t){ \
-    day_one_face_setup, \
-    day_one_face_activate, \
-    day_one_face_loop, \
-    day_one_face_resign, \
-    NULL, \
-})
-
-#endif // DAY_ONE_FACE_H_
index c2343e2907dc3b3b024ae42315facdf8fbaf0466..a0a12c2ce48e9a187c90072bda975770c4dd2af2 100644 (file)
@@ -100,21 +100,6 @@ typedef union {
     uint32_t reg;
 } movement_location_t;
 
-// movement_birthdate_t is for storing the user's birth date. This will be useful for calculating the user's age — or
-// hey, playing happy birthday at midnight? Fields for birth time (with hour and minute resolution) are also available,
-// partly because they fit so nicely, but also because they can be useful for certain astrological calculations.
-// If you create a UI for birth date or need to access it, look for it in the RTC's BKUP[2] register.
-typedef union {
-    struct {
-        uint16_t year : 12;  // good through the year 4095
-        uint8_t month : 4;
-        uint8_t day : 5;
-        uint8_t hour : 5;
-        uint8_t minute : 6;
-    } bit;
-    uint32_t reg;
-} movement_birthdate_t;
-
 // movement_reserved_t is a placeholder for future use of the BKUP[3] register.
 typedef union {
     struct {
index 74ef4447315a4af87ef285805318a8639d4e13da..d7aa6bba177d12d67c56b67e8c717d3ffbc7ddca 100644 (file)
@@ -33,6 +33,7 @@
 #include "fast_stopwatch_face.h"
 #include "sunrise_sunset_face.h"
 #include "moon_phase_face.h"
+#include "days_since_face.h"
 #include "character_set_face.h"
 #include "accel_interrupt_count_face.h"
 #include "all_segments_face.h"
index 305b5331344c7a0cb541745b71335980650635eb..d6dd8f44dc0a36709b78da74328b938616e40fb8 100644 (file)
@@ -8,6 +8,7 @@ SRCS += \
   ./watch-faces/complication/fast_stopwatch_face.c \
   ./watch-faces/complication/sunrise_sunset_face.c \
   ./watch-faces/complication/moon_phase_face.c \
+  ./watch-faces/complication/days_since_face.c \
   ./watch-faces/demo/accel_interrupt_count_face.c \
   ./watch-faces/demo/all_segments_face.c \
   ./watch-faces/demo/character_set_face.c \
diff --git a/watch-faces/complication/days_since_face.c b/watch-faces/complication/days_since_face.c
new file mode 100644 (file)
index 0000000..876b69a
--- /dev/null
@@ -0,0 +1,311 @@
+/*
+ * 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 <string.h>
+#include "days_since_face.h"
+#include "watch.h"
+#include "watch_utility.h"
+#include "filesystem.h"
+
+static int days_since_instances;
+
+static void persist_date(days_since_state_t *state) {
+    days_since_date_t maybe_date;
+    days_since_date_t current_date = {0};
+    current_date.bit.year = state->working_year;
+    current_date.bit.month = state->working_month;
+    current_date.bit.day = state->working_day;
+
+    char filename[13];
+
+    maybe_date.reg = 0xFFFFFFFF;
+    sprintf(filename, "since%03d.u32", state->face_index);
+
+    filesystem_read_file(filename, (char *) &maybe_date.reg, sizeof(days_since_date_t));
+    if (current_date.reg != maybe_date.reg) {
+        filesystem_write_file(filename, (char *) &current_date.reg, sizeof(days_since_date_t));
+    }
+}
+
+static uint32_t _days_since_face_juliandaynum(uint16_t year, uint16_t month, uint16_t day) {
+    // from here: https://en.wikipedia.org/wiki/Julian_day#Julian_day_number_calculation
+    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;
+}
+
+static void _days_since_face_update(days_since_state_t *state) {
+    char buf[15];
+    watch_date_time_t date_time = watch_rtc_get_date_time();
+    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);
+    uint32_t julian_since_date = _days_since_face_juliandaynum(state->working_year, state->working_month, state->working_day);
+    watch_display_text_with_fallback(WATCH_POSITION_TOP_LEFT, "DAY", "DA");
+    watch_display_text(WATCH_POSITION_TOP_RIGHT, "  ");
+    if (julian_now_date < julian_since_date) {
+        sprintf(buf, "%6lu", julian_since_date - julian_now_date);
+    } else {
+        sprintf(buf, "%6lu", julian_now_date - julian_since_date);
+    }
+    watch_display_text(WATCH_POSITION_BOTTOM, buf);
+}
+
+static void _days_since_face_abort_quick_cycle(days_since_state_t *state) {
+    if (state->quick_cycle) {
+        state->quick_cycle = false;
+        movement_request_tick_frequency(4);
+    }
+}
+
+static void _days_since_face_increment(days_since_state_t *state) {
+    state->birthday_changed = true;
+    switch (state->current_page) {
+        case PAGE_YEAR:
+            state->working_year = state->working_year + 1;
+            if (state->working_year > 2080) state->working_year = 1900;
+            break;
+        case PAGE_MONTH:
+            state->working_month = (state->working_month % 12) + 1;
+            break;
+        case PAGE_DAY:
+            state->working_day = (state->working_day % watch_utility_days_in_month(state->working_month, state->working_year)) + 1;
+            break;
+        default:
+            break;
+    }
+}
+
+void days_since_face_setup(uint8_t watch_face_index, void ** context_ptr) {
+    (void) watch_face_index;
+    if (*context_ptr == NULL) {
+        *context_ptr = malloc(sizeof(days_since_state_t));
+        memset(*context_ptr, 0, sizeof(days_since_state_t));
+        days_since_date_t since_date = {0};
+        days_since_state_t *state = (days_since_state_t *)*context_ptr;
+        state->face_index = days_since_instances++;
+
+        // load date from file if it exists
+        char filename[13];
+        sprintf(filename, "since%03d.u32", state->face_index);
+        if (filesystem_file_exists(filename)) {
+            filesystem_read_file(filename, (char *) &since_date, sizeof(days_since_date_t));
+        } else {
+            // if birth date is not set, set a reasonable starting date. this works well for anyone under 65, but
+            // you can keep pressing to go back to 1900; just go past the year 2080.
+            since_date.bit.year = 1959;
+            since_date.bit.month = 1;
+            since_date.bit.day = 1;
+        }
+
+        state->working_year = since_date.bit.year;
+        state->working_month = since_date.bit.month;
+        state->working_day = since_date.bit.day;
+    }
+}
+
+void days_since_face_activate(void *context) {
+    days_since_state_t *state = (days_since_state_t *)context;
+
+    state->current_page = PAGE_DISPLAY;
+    state->quick_cycle = false;
+    state->ticks = 0;
+}
+
+bool days_since_face_loop(movement_event_t event, void *context) {
+    days_since_state_t *state = (days_since_state_t *)context;
+
+    char buf[9];
+
+    switch (event.event_type) {
+        case EVENT_ACTIVATE:
+            _days_since_face_update(state);
+            break;
+        case EVENT_LOW_ENERGY_UPDATE:
+        case EVENT_TICK:
+            if (state->quick_cycle) {
+                if (HAL_GPIO_BTN_ALARM_read()) {
+                    _days_since_face_increment(state);
+                } else {
+                    _days_since_face_abort_quick_cycle(state);
+                }
+            }
+            switch (state->current_page) {
+                // if in settings mode, update whatever the current page is
+                case PAGE_YEAR:
+                    watch_display_text_with_fallback(WATCH_POSITION_TOP, "Year ", "YR");
+                    if (event.subsecond % 2) {
+                        sprintf(buf, "%4d  ", state->working_year);
+                        watch_display_text(WATCH_POSITION_BOTTOM, buf);
+                    } else {
+                        watch_display_text(WATCH_POSITION_BOTTOM, "      ");
+                    }
+                    break;
+                case PAGE_MONTH:
+                    watch_display_text_with_fallback(WATCH_POSITION_TOP, "Month", "MO");
+                    if (event.subsecond % 2) {
+                        sprintf(buf, "%2d    ", state->working_month);
+                        watch_display_text(WATCH_POSITION_BOTTOM, buf);
+                    } else {
+                        watch_display_text(WATCH_POSITION_BOTTOM, "      ");
+                    }
+                    break;
+                case PAGE_DAY:
+                    watch_display_text_with_fallback(WATCH_POSITION_TOP, "Day  ", "DA");
+                    if (event.subsecond % 2) {
+                        sprintf(buf, "  %2d  ", state->working_day);
+                        watch_display_text(WATCH_POSITION_BOTTOM, buf);
+                    } else {
+                        watch_display_text(WATCH_POSITION_BOTTOM, "      ");
+                    }
+                    break;
+                // otherwise, check if we have to update. the display only needs to change at midnight!
+                case PAGE_DISPLAY: {
+                    watch_date_time_t date_time = watch_rtc_get_date_time();
+                    if (date_time.unit.hour == 0 &&  date_time.unit.minute == 0 && date_time.unit.second == 0) {
+                        _days_since_face_update(state);
+                    }
+                    break;}
+                case PAGE_DATE:
+                    if (state->ticks > 0) {
+                        state->ticks--;
+                    } else {
+                        state->current_page = PAGE_DISPLAY;
+                        _days_since_face_update(state);
+                    }
+                    break;
+                default:
+                    break;
+            }
+            break;
+        case EVENT_LIGHT_BUTTON_DOWN:
+            // only illuminate if we're in display mode
+            switch (state->current_page) {
+                case PAGE_DISPLAY:
+                    // fall through
+                case PAGE_DATE:
+                    movement_illuminate_led();
+                    break;
+                default:
+                    break;
+            }
+            break;
+        case EVENT_LIGHT_BUTTON_UP:
+            // otherwise use the light button to advance settings pages.
+            switch (state->current_page) {
+                case PAGE_YEAR:
+                    // fall through
+                case PAGE_MONTH:
+                    // fall through
+                case PAGE_DAY:
+                    // go to next setting page...
+                    state->current_page = (state->current_page + 1) % 4;
+                    if (state->current_page == PAGE_DISPLAY) {
+                        // ...unless we've been pushed back to display mode.
+                        movement_request_tick_frequency(1);
+                        // save the date if it changed
+                        persist_date(state);
+                        // and force display since it normally won't update til midnight.
+                        _days_since_face_update(state);
+                    }
+                    break;
+                default:
+                    break;
+            }
+            break;
+        case EVENT_ALARM_BUTTON_UP:
+            // if we are on a settings page, increment whatever value we're setting.
+            switch (state->current_page) {
+                case PAGE_YEAR:
+                    // fall through
+                case PAGE_MONTH:
+                    // fall through
+                case PAGE_DAY:
+                    _days_since_face_abort_quick_cycle(state);
+                    _days_since_face_increment(state);
+                    break;
+                case PAGE_DISPLAY:
+                {
+                    watch_date_time_t date_time = watch_rtc_get_date_time();
+                    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);
+                    uint32_t julian_since_date = _days_since_face_juliandaynum(state->working_year, state->working_month, state->working_day);
+                    if (julian_now_date < julian_since_date) {
+                        watch_display_text_with_fallback(WATCH_POSITION_TOP, "Until", "DA");
+                    } else {
+                        watch_display_text_with_fallback(WATCH_POSITION_TOP, "SINCE", "DA");
+                    }
+                    state->current_page = PAGE_DATE;
+                    sprintf(buf, "%02d%02d%02d", state->working_year % 100, state->working_month % 100, state->working_day % 100);
+                    watch_display_text(WATCH_POSITION_BOTTOM, buf);
+                    state->ticks = 2;
+                }
+                    break;
+                default:
+                    break;
+            }
+            break;
+        case EVENT_ALARM_LONG_PRESS:
+            // if we aren't already in settings mode, put us there.
+            switch (state->current_page) {
+                case PAGE_DISPLAY:
+                    state->current_page++;
+                    movement_request_tick_frequency(4);
+                    break;
+                case PAGE_YEAR:
+                    // fall through
+                case PAGE_MONTH:
+                    // fall through
+                case PAGE_DAY:
+                    state->quick_cycle = true;
+                    movement_request_tick_frequency(8);
+                    break;
+                default:
+                    break;
+            }
+            break;
+        case EVENT_ALARM_LONG_UP:
+            _days_since_face_abort_quick_cycle(state);
+            break;
+        case EVENT_TIMEOUT:
+            _days_since_face_abort_quick_cycle(state);
+            // return home if we're on a settings page (this saves our changes when we resign).
+            if (state->current_page != PAGE_DISPLAY) {
+                movement_move_to_face(0);
+            }
+            break;
+        default:
+            movement_default_loop_handler(event);
+            break;
+    }
+
+    return true;
+}
+
+void days_since_face_resign(void *context) {
+    days_since_state_t *state = (days_since_state_t *)context;
+
+    // if the user changed their birth date, store it to the birth date register
+    if (state->birthday_changed) {
+        days_since_state_t *state = (days_since_state_t *)context;
+        persist_date(state);
+        state->birthday_changed = false;
+    }
+}
diff --git a/watch-faces/complication/days_since_face.h b/watch-faces/complication/days_since_face.h
new file mode 100644 (file)
index 0000000..61c91fe
--- /dev/null
@@ -0,0 +1,92 @@
+/*
+ * 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.
+ */
+
+#pragma once
+
+/*
+ * DAYS SINCE face (previously Day One)
+ *
+ * This watch face displays the number of days since or until a given date.
+ * It was originally designed to display the number of days you’ve been alive,
+ * but technically it can count up from any date in the 20th century or the
+ * 21st century, so far.
+ *
+ * Long press on the Alarm button to enter customization mode. The text “YR”
+ * will appear, and will allow you to set the year starting from 1959. Press
+ * Alarm repeatedly to advance the year. If your birthday is before 1959,
+ * advance beyond the current year and it will wrap around to 1900.
+ *
+ * Once you have set the year, press Light to set the month (“MO”) and
+ * day (“DA”), advancing the value by pressing Alarm repeatedly.
+ *
+ * Note that at this time, the Day One face does not display the sleep
+ * indicator in sleep mode, which may make the watch appear to be
+ * unresponsive in sleep mode. You can still press the Alarm button to
+ * wake the watch. This UI quirk will be addressed in a future update.
+ */
+
+#include "movement.h"
+
+typedef enum {
+    PAGE_DISPLAY,
+    PAGE_YEAR,
+    PAGE_MONTH,
+    PAGE_DAY,
+    PAGE_DATE
+} days_since_page_t;
+
+typedef union {
+    struct {
+        uint16_t year : 12;  // good through the year 4095
+        uint8_t month : 4;
+        uint8_t day : 5;
+        uint8_t hour : 5;
+        uint8_t minute : 6;
+    } bit;
+    uint32_t reg;
+} days_since_date_t;
+
+typedef struct {
+    days_since_page_t current_page;
+    uint8_t face_index;
+    uint16_t working_year;
+    uint8_t working_month;
+    uint8_t working_day;
+    bool birthday_changed;
+    bool quick_cycle;
+    uint8_t ticks;
+} days_since_state_t;
+
+void days_since_face_setup(uint8_t watch_face_index, void ** context_ptr);
+void days_since_face_activate(void *context);
+bool days_since_face_loop(movement_event_t event, void *context);
+void days_since_face_resign(void *context);
+
+#define days_since_face ((const watch_face_t){ \
+    days_since_face_setup, \
+    days_since_face_activate, \
+    days_since_face_loop, \
+    days_since_face_resign, \
+    NULL, \
+})