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