Initial commit

Timer.h

@@ -0,0 +1,89 @@
+/*
+ *   Copyright (C) 2009,2010,2011,2014 by Jonathan Naylor G4KLX
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef	Timer_H
+#define	Timer_H
+
+class CTimer {
+public:
+	CTimer(unsigned int ticksPerSec, unsigned int secs = 0U, unsigned int msecs = 0U);
+	~CTimer();
+
+	void setTimeout(unsigned int secs, unsigned int msecs = 0U);
+
+	unsigned int getTimeout() const;
+	unsigned int getTimer() const;
+
+	unsigned int getRemaining()
+	{
+		if (m_timeout == 0U || m_timer == 0U)
+			return 0U;
+
+		if (m_timer >= m_timeout)
+			return 0U;
+
+		return (m_timeout - m_timer) / m_ticksPerSec;
+	}
+
+	bool isRunning()
+	{
+		return m_timer > 0U;
+	}
+
+	void start(unsigned int secs, unsigned int msecs = 0U)
+	{
+		setTimeout(secs, msecs);
+
+		start();
+	}
+
+	void start()
+	{
+		if (m_timeout > 0U)
+			m_timer = 1U;
+	}
+
+	void stop()
+	{
+		m_timer = 0U;
+	}
+
+	bool hasExpired()
+	{
+		if (m_timeout == 0U || m_timer == 0U)
+			return false;
+
+		if (m_timer >= m_timeout)
+			return true;
+
+		return false;
+	}
+
+	void clock(unsigned int ticks = 1U)
+	{
+		if (m_timer > 0U && m_timeout > 0U)
+			m_timer += ticks;
+	}
+
+private:
+	unsigned int m_ticksPerSec;
+	unsigned int m_timeout;
+	unsigned int m_timer;
+};
+
+#endif