diff options
Diffstat (limited to 'movement/watch_faces/clock/simple_clock_face.c')
-rw-r--r-- | movement/watch_faces/clock/simple_clock_face.c | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/movement/watch_faces/clock/simple_clock_face.c b/movement/watch_faces/clock/simple_clock_face.c new file mode 100644 index 00000000..97067b0f --- /dev/null +++ b/movement/watch_faces/clock/simple_clock_face.c @@ -0,0 +1,92 @@ +#include <stdlib.h> +#include "simple_clock_face.h" +#include "watch.h" + +void simple_clock_face_setup(LauncherSettings *settings, void ** context_ptr) { + (void) settings; + // the only context we need is the timestamp of the previous tick. + if (*context_ptr == NULL) *context_ptr = malloc(sizeof(uint32_t)); +} + +void simple_clock_face_activate(LauncherSettings *settings, void *context) { + if (settings->bit.clock_mode_24h) { + watch_set_indicator(WATCH_INDICATOR_24H); + } + watch_set_colon(); + // this ensures that none of the timestamp fields will match, so we can re-render them all. + *((uint32_t *)context) = 0xFFFFFFFF; +} + +bool simple_clock_face_loop(LauncherEvent event, LauncherSettings *settings, void *context) { + printf("simple_clock_face_loop\n"); + const char weekdays[7][3] = {"SA", "SU", "MO", "TU", "WE", "TH", "FR"}; + 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_SCREENSAVER: + date_time = watch_rtc_get_date_time(); + previous_date_time = *((uint32_t *)context); + *((uint32_t *)context) = date_time.reg; + + if (date_time.reg >> 6 == previous_date_time >> 6 && event.event_type != EVENT_SCREENSAVER) { + // everything before seconds is the same, don't waste cycles setting those segments. + pos = 8; + sprintf(buf, "%02d", date_time.unit.second); + } else if (date_time.reg >> 12 == previous_date_time >> 12 && event.event_type != EVENT_SCREENSAVER) { + // 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_SCREENSAVER) { + sprintf(buf, "%s%2d%2d%02d ", weekdays[simple_clock_face_get_weekday(date_time.unit.year, date_time.unit.month, date_time.unit.day)], date_time.unit.day, date_time.unit.hour, date_time.unit.minute); + } else { + sprintf(buf, "%s%2d%2d%02d%02d", weekdays[simple_clock_face_get_weekday(date_time.unit.year, date_time.unit.month, date_time.unit.day)], date_time.unit.day, date_time.unit.hour, date_time.unit.minute, date_time.unit.second); + } + } + watch_display_string(buf, pos); + break; + case EVENT_MODE_BUTTON_UP: + movement_move_to_next_face(); + return false; + case EVENT_LIGHT_BUTTON_UP: + movement_illuminate_led(); + break; + case EVENT_ALARM_BUTTON_UP: + break; + default: + break; + } + + return true; +} + +void simple_clock_face_resign(LauncherSettings *settings, void *context) { + (void) settings; + (void) context; +} + +uint8_t simple_clock_face_get_weekday(uint16_t year, uint16_t month, uint16_t day) { + year += 20; + if (month <= 2) { + month += 12; + year--; + } + return (day + 13 * (month + 1) / 5 + year + year / 4 + 525) % 7; +} |