38 lines
1.0 KiB
C
38 lines
1.0 KiB
C
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/*
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* Copyright (c) 2016 Wind River Systems, Inc.
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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 <kernel.h>
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void task_timer_start(ktimer_t timer, int32_t duration,
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int32_t period, ksem_t sema)
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{
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if (duration < 0 || period < 0 || (duration == 0 && period == 0)) {
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int key = irq_lock();
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if (timer->timeout.delta_ticks_from_prev != -1) {
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k_timer_stop(timer);
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}
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irq_unlock(key);
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return;
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}
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k_timer_start(timer, _ticks_to_ms(duration),
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_ticks_to_ms(period),
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(void(*)(void *))k_sem_give, sema, NULL, NULL);
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}
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