90 lines
1.8 KiB
C
90 lines
1.8 KiB
C
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/*
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* Copyright (C) 2009,2010,2011,2014 by Jonathan Naylor G4KLX
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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 2 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, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef Timer_H
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#define Timer_H
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class CTimer {
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public:
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CTimer(unsigned int ticksPerSec, unsigned int secs = 0U, unsigned int msecs = 0U);
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~CTimer();
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void setTimeout(unsigned int secs, unsigned int msecs = 0U);
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unsigned int getTimeout() const;
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unsigned int getTimer() const;
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unsigned int getRemaining()
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{
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if (m_timeout == 0U || m_timer == 0U)
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return 0U;
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if (m_timer >= m_timeout)
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return 0U;
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return (m_timeout - m_timer) / m_ticksPerSec;
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}
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bool isRunning()
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{
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return m_timer > 0U;
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}
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void start(unsigned int secs, unsigned int msecs = 0U)
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{
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setTimeout(secs, msecs);
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start();
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}
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void start()
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{
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if (m_timeout > 0U)
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m_timer = 1U;
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}
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void stop()
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{
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m_timer = 0U;
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}
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bool hasExpired()
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{
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if (m_timeout == 0U || m_timer == 0U)
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return false;
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if (m_timer >= m_timeout)
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return true;
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return false;
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}
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void clock(unsigned int ticks = 1U)
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{
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if (m_timer > 0U && m_timeout > 0U)
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m_timer += ticks;
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}
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private:
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unsigned int m_ticksPerSec;
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unsigned int m_timeout;
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unsigned int m_timer;
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};
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#endif
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