Initial commit

AsyncTimer.h

@@ -0,0 +1,52 @@
+/***************************************************
+Copyright (c) 2023 Alastair Aitchison, Playful Technology, (c) 2020 Luis Llamas
+(www.luisllamas.es)
+
+This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by
+the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License along with this program.  If not, see <http://www.gnu.org/licenses
+****************************************************/
+
+#ifndef _ASYNCTIMER_h
+#define _ASYNCTIMER_h
+
+#if defined(ARDUINO) && ARDUINO >= 100
+	#include "arduino.h"
+#else
+	#include "WProgram.h"
+#endif
+
+typedef void(*AsyncTimerCallback)();
+
+class AsyncTimer {
+ public:
+	AsyncTimer(unsigned long millisInterval);
+	AsyncTimer(unsigned long millisInterval, AsyncTimerCallback OnFinish);
+
+	void Start();
+	void Reset();
+	void Stop();
+	bool Update();
+
+	void SetIntervalMillis(unsigned long interval);
+	
+	unsigned long GetStartTime();
+	unsigned long GetElapsedTime();
+	unsigned long GetRemainingTime();
+
+	bool IsActive() const;
+	bool IsExpired() const;
+	
+	unsigned long Interval;
+	
+	AsyncTimerCallback OnFinish;
+
+private:
+	bool _isActive;
+	bool _isExpired;
+	unsigned long _startTime;
+};
+#endif