mirror of https://github.com/google/pebble
57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
/*
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* Copyright 2024 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "tick_timer.h"
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#include "kernel/events.h"
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#include "drivers/rtc.h"
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#include "services/common/regular_timer.h"
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#include "process_management/app_manager.h"
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#include "system/logging.h"
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#include "system/passert.h"
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static uint16_t s_num_subscribers;
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static void timer_tick_event_publisher(void* data) {
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PebbleEvent e = {
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.type = PEBBLE_TICK_EVENT,
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.clock_tick.tick_time = rtc_get_time(),
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};
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event_put(&e);
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}
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static RegularTimerInfo s_tick_timer_info = {
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.cb = &timer_tick_event_publisher
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};
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void tick_timer_add_subscriber(PebbleTask task) {
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++s_num_subscribers;
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if (s_num_subscribers == 1) {
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PBL_LOG(LOG_LEVEL_DEBUG, "starting tick timer");
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regular_timer_add_seconds_callback(&s_tick_timer_info);
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}
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}
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void tick_timer_remove_subscriber(PebbleTask task) {
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PBL_ASSERTN(s_num_subscribers > 0);
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--s_num_subscribers;
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if (s_num_subscribers == 0) {
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PBL_LOG(LOG_LEVEL_DEBUG, "stopping tick timer");
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regular_timer_remove_callback(&s_tick_timer_info);
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}
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}
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