diff options
Diffstat (limited to 'movement')
-rw-r--r-- | movement/make/Makefile | 1 | ||||
-rw-r--r-- | movement/movement_faces.h | 1 | ||||
-rw-r--r-- | movement/watch_faces/complication/time_left_face.c | 357 | ||||
-rw-r--r-- | movement/watch_faces/complication/time_left_face.h | 89 |
4 files changed, 448 insertions, 0 deletions
diff --git a/movement/make/Makefile b/movement/make/Makefile index b930585e..c6365718 100644 --- a/movement/make/Makefile +++ b/movement/make/Makefile @@ -106,6 +106,7 @@ SRCS += \ ../watch_faces/complication/timer_face.c \ ../watch_faces/complication/invaders_face.c \ ../watch_faces/clock/world_clock2_face.c \ + ../watch_faces/complication/time_left_face.c \ # New watch faces go above this line. # Leave this line at the bottom of the file; it has all the targets for making your project. diff --git a/movement/movement_faces.h b/movement/movement_faces.h index 278e6616..bd41c499 100644 --- a/movement/movement_faces.h +++ b/movement/movement_faces.h @@ -82,6 +82,7 @@ #include "timer_face.h" #include "invaders_face.h" #include "world_clock2_face.h" +#include "time_left_face.h" // New includes go above this line. #endif // MOVEMENT_FACES_H_ diff --git a/movement/watch_faces/complication/time_left_face.c b/movement/watch_faces/complication/time_left_face.c new file mode 100644 index 00000000..9515cfe7 --- /dev/null +++ b/movement/watch_faces/complication/time_left_face.c @@ -0,0 +1,357 @@ +/* + * MIT License + * + * Copyright (c) 2022 Andreas Nebinger, based on the work of 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 "time_left_face.h" +#include "watch.h" +#include "watch_private_display.h" + +const char _state_titles[][3] = {{'D', 'L', ' '}, {'D', 'L', ' '}, {'D', 'A', ' '}, {'D', 'A', ' '}, {'Y', 'R', 'b'}, {'M', 'O', 'b'}, {'D', 'A', 'b'}, + {'Y', 'R', 'd'}, {'M', 'O', 'd'}, {'D', 'A', 'd'}}; +const uint8_t TIME_LEFT_FACE_STATES = sizeof(_state_titles) / 3; // total number of state pages +#define TIME_LEFT_FACE_SETTINGS_STATE 4 // number of first settings state +const uint8_t _percentage_segdata[][2] = {{1, 2}, {2, 2}, {2, 3}, {1, 3}}; // segment data for drawing the percentage sign +const uint8_t _animation_segdata[][2] = {{2, 8}, {1, 8}, {2, 7}, {2, 6}}; // segment data for the ticking animation + +static bool _quick_ticks_running; + +static uint32_t _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; +} + +/// @brief displays an integer value with or without using positions 8 and 9 +static void _display_integer(char *buf) { + if (buf[1] == ' ') { + // display at position 4 if the value is short enough, don't use positions 8 and 9 + watch_display_character(' ', 8); + watch_display_character(' ', 9); + watch_display_string((char *)buf + 2, 4); + } else { + // otherwise just display using position 8 and 9 + watch_display_string(buf, 4); + } + watch_clear_colon(); +} + +///@brief display a percentage value +static void _display_percentage(float percentage, char *buf) { + // always stay positive + if (percentage < 0) { + percentage *= -1; + // Switch display to days 'O'ver + watch_display_character('O', 1); + } + int32_t integral = percentage; + if (integral >= 100) { + // percentage equals 100 or more: don't do fractional part + sprintf(buf, " %3li o", integral); + watch_clear_colon(); + } else { + // display percentage with two decimal places + uint8_t fraction = (int)(percentage * (float)100) % 100; + sprintf(buf, "%2li%02u o", integral, fraction); + watch_set_colon(); + } + watch_display_string(buf, 4); + // draw (parts of) percentage symbol + for (uint8_t i = 0; i < sizeof(_percentage_segdata) / 2; i++) + watch_set_pixel(_percentage_segdata[i][0], _percentage_segdata[i][1]); +} + +/// @brief draw the current state to the display +static void _draw(time_left_state_t *state, uint8_t subsecond) { + char buf[14]; + watch_display_character(_state_titles[state->current_page][0], 0); + watch_display_character(_state_titles[state->current_page][1], 1); + watch_display_character(' ', 2); + watch_display_character(_state_titles[state->current_page][2], 3); + if (state->current_page < TIME_LEFT_FACE_SETTINGS_STATE) { + // we are displaying days left or days from birth + watch_date_time date_time = watch_rtc_get_date_time(); + uint32_t julian_current_day = _juliandaynum(date_time.unit.year + WATCH_RTC_REFERENCE_YEAR, date_time.unit.month, date_time.unit.day); + uint32_t julian_target_day = _juliandaynum(state->target_date.bit.year, state->target_date.bit.month, state->target_date.bit.day); + int32_t days_left = julian_target_day - julian_current_day; + if (state->current_page == 0) { + // display number of days left + sprintf(buf, "%6li", days_left); + _display_integer(buf); + } else { + // calculate starting date + uint32_t julian_start_day = _juliandaynum(state->birth_date.bit.year, state->birth_date.bit.month, state->birth_date.bit.day); + if ((state->current_page & 1) == 1) { + float percentage_left; + if (julian_start_day == julian_target_day) { + // failsafe + percentage_left = 0; + } else { + // display correct percentages + percentage_left = (float)days_left * (float)100 / (float)(julian_target_day - julian_start_day); + } + _display_percentage(state->current_page == 1 ? percentage_left : 100 - percentage_left, buf); + } else { + // display days from birth + sprintf(buf, "%6li", (int32_t)julian_current_day - julian_start_day); + _display_integer(buf); + } + } + } else { + // we are in settings mode + switch (state->current_page) { + case TIME_LEFT_FACE_SETTINGS_STATE: + // birth year + sprintf(buf, "%04u ", state->birth_date.bit.year); + break; + case TIME_LEFT_FACE_SETTINGS_STATE + 1: + // birth month + sprintf(buf, " %02u", state->birth_date.bit.month); + break; + case TIME_LEFT_FACE_SETTINGS_STATE + 2: + // birth day of month + sprintf(buf, " %02u", state->birth_date.bit.day); + break; + case TIME_LEFT_FACE_SETTINGS_STATE + 3: + // target year + sprintf(buf, "%04u", state->target_date.bit.year); + break; + case TIME_LEFT_FACE_SETTINGS_STATE + 4: + // target month + sprintf(buf, " %02u", state->target_date.bit.month); + break; + case TIME_LEFT_FACE_SETTINGS_STATE + 5: + // target day of month + sprintf(buf, " %02u", state->target_date.bit.day); + break; + default: + break; + } + // blink current settings position or display value + if ((subsecond & 1) == 1) + watch_display_string(" ", 4); + else + watch_display_string(buf, 4); + } +} + +/// @brief handle short or long pressing the alarm button +static void _handle_alarm_button(time_left_state_t *state) { + + const uint8_t days_in_month[12] = {31, 28, 31, 30, 31, 30, 30, 31, 30, 31, 30, 31}; + uint32_t tmp_day; + switch (state->current_page) { + case TIME_LEFT_FACE_SETTINGS_STATE: // birth year + state->birth_date.bit.year++; + if (state->birth_date.bit.year > state->current_year + 10) state->birth_date.bit.year = 1959; + break; + case TIME_LEFT_FACE_SETTINGS_STATE + 1: // birth month + state->birth_date.bit.month = (state->birth_date.bit.month % 12) + 1; + break; + case TIME_LEFT_FACE_SETTINGS_STATE + 2: // birth day + tmp_day = state->birth_date.bit.day; // use a temporary variable to avoid messing up the months + tmp_day++; + // handle February 29th on a leap year + if (((tmp_day > days_in_month[state->birth_date.bit.month - 1]) && (state->birth_date.bit.month != 2 || (state->birth_date.bit.year % 4) != 0)) + || (state->birth_date.bit.month == 2 && (state->birth_date.bit.year % 4) == 0 && tmp_day > 29)) { + tmp_day = 1; + } + state->birth_date.bit.day = tmp_day; + break; + case TIME_LEFT_FACE_SETTINGS_STATE + 3: // target year + state->target_date.bit.year++; + if (state->target_date.bit.year >2083) state->target_date.bit.year = state->current_year - 10; + break; + case TIME_LEFT_FACE_SETTINGS_STATE + 4: // target month + state->target_date.bit.month = (state->target_date.bit.month % 12) + 1; + break; + case TIME_LEFT_FACE_SETTINGS_STATE + 5: // target day + tmp_day = state->target_date.bit.day; + tmp_day++; + // handle February 29th on a leap year + if (((tmp_day > days_in_month[state->target_date.bit.month - 1]) && (state->target_date.bit.month != 2 || (state->target_date.bit.year % 4) != 0)) + || (state->target_date.bit.month == 2 && (state->target_date.bit.year % 4) == 0 && tmp_day > 29)) { + tmp_day = 1; + } + state->target_date.bit.day = tmp_day; + break; + } +} + +static void _initiate_setting(time_left_state_t *state) { + state->current_page = TIME_LEFT_FACE_SETTINGS_STATE; + watch_clear_colon(); + movement_request_tick_frequency(4); +} + +static void _resume_setting(time_left_state_t *state) { + state->current_page = 0; + movement_request_tick_frequency(1); +} + +static void _abort_quick_ticks() { + if (_quick_ticks_running) { + _quick_ticks_running = false; + movement_request_tick_frequency(4); + } +} + +void time_left_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(time_left_state_t)); + memset(*context_ptr, 0, sizeof(time_left_state_t)); + time_left_state_t *state = (time_left_state_t *)*context_ptr; + state->birth_date.reg = watch_get_backup_data(2); + if (state->birth_date.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 current year. 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. + state->birth_date.bit.year = 1959; + state->birth_date.bit.month = 1; + state->birth_date.bit.day = 1; + watch_store_backup_data(state->birth_date.reg, 2); + // set target date to today + 10 years (just to have any value) + watch_date_time date_time = watch_rtc_get_date_time(); + state->target_date.bit.year = date_time.unit.year + WATCH_RTC_REFERENCE_YEAR + 10; + state->target_date.bit.month = date_time.unit.month; + state->target_date.bit.day = date_time.unit.day; + } + } +} + +void time_left_face_activate(movement_settings_t *settings, void *context) { + (void) settings; + time_left_state_t *state = (time_left_state_t *)context; + + // stash the current year, useful in birthday setting mode + watch_date_time date_time = watch_rtc_get_date_time(); + state->current_year = date_time.unit.year + WATCH_RTC_REFERENCE_YEAR; + _quick_ticks_running = false; + // fetch the user's birth date from the birthday register + state->birth_date.reg = watch_get_backup_data(2); + // store original value of the birthdate to be able to detect changes on resigning + state->birth_date_when_activated.reg = state->birth_date.reg; +} + +bool time_left_face_loop(movement_event_t event, movement_settings_t *settings, void *context) { + (void) settings; + time_left_state_t *state = (time_left_state_t *)context; + + switch (event.event_type) { + case EVENT_ACTIVATE: + _draw(state, event.subsecond); + break; + case EVENT_LOW_ENERGY_UPDATE: + case EVENT_TICK: { + uint8_t subsecond = event.subsecond; + if (_quick_ticks_running) { + if (watch_get_pin_level(BTN_ALARM)) { + _handle_alarm_button(state); + subsecond = 0; + } else _abort_quick_ticks(); + } + if (state->current_page >= TIME_LEFT_FACE_SETTINGS_STATE) { + // we are in settings mode. Draw to blink + _draw(state, subsecond); + } else { + // otherwise, check if we have to update. the display only needs to change at midnight + watch_date_time date_time = watch_rtc_get_date_time(); + if (date_time.unit.hour == 0 && date_time.unit.minute == 0 && date_time.unit.second == 0) { + _draw(state, subsecond); + } + // handle the ticking animation + uint8_t animation_step = date_time.unit.second % (sizeof(_animation_segdata) / 2); + watch_set_pixel(_animation_segdata[animation_step][0], _animation_segdata[animation_step][1]); + if (animation_step == 0) animation_step = (sizeof(_animation_segdata) / 2) - 1; + else animation_step--; + watch_clear_pixel(_animation_segdata[animation_step][0], _animation_segdata[animation_step][1]); + } + break; + } + case EVENT_LIGHT_BUTTON_DOWN: + // do not illuminate here (this is done when releasing the button) + break; + case EVENT_LIGHT_BUTTON_UP: + if (state->current_page < TIME_LEFT_FACE_SETTINGS_STATE) movement_illuminate_led(); + else { + // cycle through the settings pages + state->current_page++; + if (state->current_page >= TIME_LEFT_FACE_STATES) { + // we have done a full settings cycle, so resume to normal + _resume_setting(state); + _draw(state, event.subsecond); + } + } + break; + case EVENT_LIGHT_LONG_PRESS: + if (state->current_page >= TIME_LEFT_FACE_SETTINGS_STATE) { + _resume_setting(state); + } else { + _initiate_setting(state); + } + _draw(state, event.subsecond); + break; + case EVENT_ALARM_BUTTON_UP: + _abort_quick_ticks(); + if (state->current_page < TIME_LEFT_FACE_SETTINGS_STATE) { + // alternate between days left and percentage left + state->current_page = (state->current_page + 1) % TIME_LEFT_FACE_SETTINGS_STATE; + } else { + // we are in settings mode, so increment the current settings value + _handle_alarm_button(state); + } + _draw(state, 0); + break; + case EVENT_ALARM_LONG_PRESS: + if (state->current_page >= TIME_LEFT_FACE_SETTINGS_STATE) { + // initiate fast cycling for settings values + movement_request_tick_frequency(8); + _quick_ticks_running = true; + _handle_alarm_button(state); + _draw(state, 0); + } + break; + case EVENT_TIMEOUT: + movement_move_to_face(0); + break; + default: + movement_default_loop_handler(event, settings); + break; + } + + return true; +} + +void time_left_face_resign(movement_settings_t *settings, void *context) { + (void) settings; + time_left_state_t *state = (time_left_state_t *)context; + + if (state->current_page >= TIME_LEFT_FACE_SETTINGS_STATE) _resume_setting(state); + + // if the user changed their birth date, store it to the birth date register + if (state->birth_date_when_activated.reg != state->birth_date.reg) { + watch_store_backup_data(state->birth_date.reg, 2); + } +} diff --git a/movement/watch_faces/complication/time_left_face.h b/movement/watch_faces/complication/time_left_face.h new file mode 100644 index 00000000..0ed7fd28 --- /dev/null +++ b/movement/watch_faces/complication/time_left_face.h @@ -0,0 +1,89 @@ +/* + * MIT License + * + * Copyright (c) 2022 Andreas Nebinger, based on the work of 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 TIME_LEFT_FACE_H_ +#define TIME_LEFT_FACE_H_ + +#include "movement.h" + +/* + * The Time Left Face helps you to visualize how far you have proceeded in a certain + * time span. Much like the Day One Face, you can set your beginning date. In addition + * to that, you also set your target or destination date. You can then use the face + * to display your progress in different ways. + * + * Usage: + * + * - Long pressing of the light button starts the settings mode: + * - First, you set the beginning date (indicated by a 'b' in the upper right corner). + * - Start by setting the year (indicated by the letter 'YR'). Use the alarm button + * to cycle the value. Short pressing the light button brings you to the next + * settings page. + * - Set the values in this order: + * a. beginning date (indicated by a 'b'): year - month - day + * b. destination date (indicated by a 'd'): year - month - day + * - After cycling through all settings pages, the face resumes to display mode. + * + * - In display mode, use the alarm button (short press) to cycle through these four + * types of display: + * a. number of days left ('DL') until the destination date is reached. + * b. remaining days expressed as percentage of total time span. The value is shown + * with two decimals, using the colon as decimal point. + * c. number of days passed ('DA') since the beginning date. + * d. number of days passed expressed as percentage of total time span. (Two decimal + * points.) + * + * What is this for? + * + * You can use this watch face to be reminded of any kind of progess between a set + * start and end date. The brave among us can use it as a kind of memento mori + * visualization. Set your date of birth and look up the average life expectancy of + * your age cohort based on publicly available mortality tables. Then, set the + * statistically expected day of death as the target date and you will be able to + * see how much of your time has passed and how much is still to come. + * + */ + +typedef struct { + uint8_t current_page; + uint16_t current_year; + movement_birthdate_t birth_date; + movement_birthdate_t birth_date_when_activated; + movement_birthdate_t target_date; +} time_left_state_t; + +void time_left_face_setup(movement_settings_t *settings, uint8_t watch_face_index, void ** context_ptr); +void time_left_face_activate(movement_settings_t *settings, void *context); +bool time_left_face_loop(movement_event_t event, movement_settings_t *settings, void *context); +void time_left_face_resign(movement_settings_t *settings, void *context); + +#define time_left_face ((const watch_face_t){ \ + time_left_face_setup, \ + time_left_face_activate, \ + time_left_face_loop, \ + time_left_face_resign, \ + NULL, \ +}) + +#endif // TIME_LEFT_FACE_H_ |