kopia lustrzana https://github.com/OpenRTX/OpenRTX
62 wiersze
2.0 KiB
C
62 wiersze
2.0 KiB
C
/***************************************************************************
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* Copyright (C) 2020 - 2023 by Frederik Saraci IU2NRO *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 3 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, see <http://www.gnu.org/licenses/> *
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***************************************************************************/
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#include <interfaces/delays.h>
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#include <sys/time.h>
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#include <unistd.h>
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#include <stdio.h>
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/**
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* Implementation of the delay functions for x86_64.
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*/
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void delayUs(unsigned int useconds)
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{
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usleep(useconds);
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}
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void delayMs(unsigned int mseconds)
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{
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usleep(mseconds*1000);
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}
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void sleepFor(unsigned int seconds, unsigned int mseconds)
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{
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unsigned int time = (seconds * 1000) + mseconds;
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delayMs(time);
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}
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void sleepUntil(long long timestamp)
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{
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long long delta = timestamp - getTick();
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if(delta <= 0) return;
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delayMs(delta);
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}
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long long getTick()
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{
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/*
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* Return current time in milliseconds, consistently with the miosix kernel
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* having a tick rate of 1kHz.
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*/
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struct timeval te;
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gettimeofday(&te, NULL);
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long long milliseconds = te.tv_sec*1000LL + te.tv_usec/1000;
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return milliseconds;
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}
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