92 lines
3.3 KiB
C
92 lines
3.3 KiB
C
#include <stdlib.h>
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#include <string.h>
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#include "beats_face.h"
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#include "watch.h"
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const uint8_t BEAT_REFRESH_FREQUENCY = 8;
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void beats_face_setup(movement_settings_t *settings, uint8_t watch_face_index, void ** context_ptr) {
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(void) settings;
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(void) watch_face_index;
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(void) context_ptr;
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if (*context_ptr == NULL) {
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*context_ptr = malloc(sizeof(beats_face_state_t));
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}
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}
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void beats_face_activate(movement_settings_t *settings, void *context) {
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(void) settings;
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beats_face_state_t *state = (beats_face_state_t *)context;
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state->next_subsecond_update = 0;
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state->last_centibeat_displayed = 0;
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movement_request_tick_frequency(BEAT_REFRESH_FREQUENCY);
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}
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bool beats_face_loop(movement_event_t event, movement_settings_t *settings, void *context) {
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(void) settings;
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beats_face_state_t *state = (beats_face_state_t *)context;
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if (event.event_type == EVENT_TICK && event.subsecond != state->next_subsecond_update) {
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return true; // math is hard, don't do it if we don't have to.
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}
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char buf[16];
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uint32_t centibeats;
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watch_date_time date_time;
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switch (event.event_type) {
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case EVENT_ACTIVATE:
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case EVENT_TICK:
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date_time = watch_rtc_get_date_time();
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centibeats = clock2beats(date_time.unit.hour, date_time.unit.minute, date_time.unit.second, event.subsecond, movement_timezone_offsets[settings->bit.time_zone]);
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if (centibeats == state->last_centibeat_displayed) {
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// we missed this update, try again next subsecond
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state->next_subsecond_update = (event.subsecond + 1) % BEAT_REFRESH_FREQUENCY;
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} else {
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state->next_subsecond_update = (event.subsecond + 1 + (BEAT_REFRESH_FREQUENCY * 2 / 3)) % BEAT_REFRESH_FREQUENCY;
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state->last_centibeat_displayed = centibeats;
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}
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sprintf(buf, "bt %6ld", centibeats);
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watch_display_string(buf, 0);
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break;
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case EVENT_LOW_ENERGY_UPDATE:
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if (!watch_tick_animation_is_running()) watch_start_tick_animation(432);
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date_time = watch_rtc_get_date_time();
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centibeats = clock2beats(date_time.unit.hour, date_time.unit.minute, date_time.unit.second, event.subsecond, movement_timezone_offsets[settings->bit.time_zone]);
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sprintf(buf, "bt %4ld ", centibeats / 100);
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watch_display_string(buf, 0);
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break;
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case EVENT_MODE_BUTTON_UP:
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movement_move_to_next_face();
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break;
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case EVENT_LIGHT_BUTTON_DOWN:
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movement_illuminate_led();
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break;
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case EVENT_ALARM_BUTTON_DOWN:
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case EVENT_ALARM_BUTTON_UP:
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case EVENT_ALARM_LONG_PRESS:
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default:
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break;
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}
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return true;
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}
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void beats_face_resign(movement_settings_t *settings, void *context) {
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(void) settings;
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(void) context;
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movement_request_tick_frequency(1);
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}
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uint32_t clock2beats(uint32_t hours, uint32_t minutes, uint32_t seconds, uint32_t subseconds, int16_t utc_offset) {
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uint32_t retval = seconds * 1000 + (subseconds * 1000) / (BEAT_REFRESH_FREQUENCY);
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retval += 60 * minutes * 1000;
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retval += hours * 60 * 60 * 1000;
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retval -= (utc_offset - 60) * 60 * 1000;
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retval /= 864; // convert to centibeats
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retval %= 100000;
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return retval;
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} |