68 lines
1.9 KiB
C
68 lines
1.9 KiB
C
/*
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* Copyright (C) 2012-2019 UCloud. All Rights Reserved.
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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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* A copy of the License is located 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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* or in the "license" file accompanying this file. This file is distributed
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* on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
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* express or implied. See the License for the specific language governing
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* permissions and limitations under the License.
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <time.h>
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#include <sys/time.h>
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#include "uiot_import.h"
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bool HAL_Timer_Expired(Timer *timer) {
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struct timeval now, res;
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gettimeofday(&now, NULL);
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timersub(&timer->end_time, &now, &res);
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return res.tv_sec < 0 || (res.tv_sec == 0 && res.tv_usec <= 0);
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}
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void HAL_Timer_Countdown_ms(Timer *timer, uint32_t timeout_ms) {
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struct timeval now;
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gettimeofday(&now, NULL);
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#ifdef __cplusplus
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struct timeval interval = {timeout_ms / 1000, static_cast<int>((timeout_ms % 1000) * 1000)};
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#else
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struct timeval interval = {timeout_ms / 1000, (int) ((timeout_ms % 1000) * 1000)};
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#endif
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timeradd(&now, &interval, &timer->end_time);
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}
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void HAL_Timer_Countdown(Timer *timer, uint32_t timeout) {
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struct timeval now;
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gettimeofday(&now, NULL);
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struct timeval interval = {timeout, 0};
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timeradd(&now, &interval, &timer->end_time);
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}
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uint32_t HAL_Timer_Remain_ms(Timer *timer) {
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struct timeval now, res;
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uint32_t result_ms = 0;
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gettimeofday(&now, NULL);
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timersub(&timer->end_time, &now, &res);
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if (res.tv_sec >= 0) {
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result_ms = (uint32_t) (res.tv_sec * 1000 + res.tv_usec / 1000);
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}
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return result_ms;
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}
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void HAL_Timer_Init(Timer *timer) {
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timer->end_time = (struct timeval) {0, 0};
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}
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#ifdef __cplusplus
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}
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#endif
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