124 lines
3.4 KiB
C
124 lines
3.4 KiB
C
/*----------------------------------------------------------------------------
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* Tencent is pleased to support the open source community by making TencentOS
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* available.
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*
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* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
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* If you have downloaded a copy of the TencentOS binary from Tencent, please
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* note that the TencentOS binary is licensed under the BSD 3-Clause License.
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*
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* If you have downloaded a copy of the TencentOS source code from Tencent,
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* please note that TencentOS source code is licensed under the BSD 3-Clause
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* License, except for the third-party components listed below which are
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* subject to different license terms. Your integration of TencentOS into your
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* own projects may require compliance with the BSD 3-Clause License, as well
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* as the other licenses applicable to the third-party components included
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* within TencentOS.
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*---------------------------------------------------------------------------*/
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#include "tos_k.h"
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__API__ k_err_t tos_stopwatch_create(k_stopwatch_t *stopwatch)
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{
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TOS_PTR_SANITY_CHECK(stopwatch);
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stopwatch->until = 0u;
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TOS_OBJ_INIT(stopwatch, KNL_OBJ_TYPE_STOPWATCH);
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return K_ERR_NONE;
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}
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__API__ k_err_t tos_stopwatch_destroy(k_stopwatch_t *stopwatch)
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{
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TOS_PTR_SANITY_CHECK(stopwatch);
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TOS_OBJ_VERIFY(stopwatch, KNL_OBJ_TYPE_STOPWATCH);
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stopwatch->until = 0u;
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TOS_OBJ_DEINIT(stopwatch);
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return K_ERR_NONE;
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}
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__API__ k_err_t tos_stopwatch_countdown(k_stopwatch_t *stopwatch, k_tick_t tick)
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{
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k_tick_t now;
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TOS_PTR_SANITY_CHECK(stopwatch);
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TOS_OBJ_VERIFY(stopwatch, KNL_OBJ_TYPE_STOPWATCH);
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now = tos_systick_get();
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stopwatch->until = now + tick;
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return K_ERR_NONE;
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}
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__API__ k_err_t tos_stopwatch_countdown_ms(k_stopwatch_t *stopwatch, k_time_t millisec)
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{
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k_tick_t tick;
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TOS_PTR_SANITY_CHECK(stopwatch);
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TOS_OBJ_VERIFY(stopwatch, KNL_OBJ_TYPE_STOPWATCH);
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tick = tos_millisec2tick(millisec);
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return tos_stopwatch_countdown(stopwatch, tick);
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}
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__API__ void tos_stopwatch_delay(k_tick_t tick)
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{
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k_tick_t now;
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now = tos_systick_get();
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while ((tos_systick_get() - now) < tick) {
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;
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}
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}
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__API__ void tos_stopwatch_delay_ms(k_time_t millisec)
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{
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k_tick_t tick;
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tick = tos_millisec2tick(millisec);
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tos_stopwatch_delay(tick);
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}
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__API__ k_tick_t tos_stopwatch_remain(k_stopwatch_t *stopwatch)
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{
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k_tick_t now;
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TOS_PTR_SANITY_CHECK_RC(stopwatch, (k_tick_t)-1);
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TOS_OBJ_VERIFY_RC(stopwatch, KNL_OBJ_TYPE_STOPWATCH, (k_tick_t)-1);
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if (tos_stopwatch_is_expired(stopwatch)) {
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return (k_tick_t)0u;
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}
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now = tos_systick_get();
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return stopwatch->until - now;
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}
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__API__ k_time_t tos_stopwatch_remain_ms(k_stopwatch_t *stopwatch)
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{
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k_tick_t now;
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TOS_PTR_SANITY_CHECK_RC(stopwatch, (k_time_t)-1);
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TOS_OBJ_VERIFY_RC(stopwatch, KNL_OBJ_TYPE_STOPWATCH, (k_time_t)-1);
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if (tos_stopwatch_is_expired(stopwatch)) {
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return (k_tick_t)0u;
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}
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now = tos_systick_get();
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return (k_time_t)(((stopwatch->until) - now + TOS_CFG_CPU_TICK_PER_SECOND - 1) / TOS_CFG_CPU_TICK_PER_SECOND);
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}
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__API__ int tos_stopwatch_is_expired(k_stopwatch_t *stopwatch)
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{
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k_tick_t now;
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TOS_PTR_SANITY_CHECK_RC(stopwatch, K_FALSE);
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TOS_OBJ_VERIFY_RC(stopwatch, KNL_OBJ_TYPE_STOPWATCH, K_FALSE);
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now = tos_systick_get();
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return now >= stopwatch->until ? K_TRUE : K_FALSE;
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}
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