定时闹钟

App/Alarm.cpp

@@ -0,0 +1,111 @@
+#include "Alarm.h"
+
+Alarm::Alarm(Timer* timer,OutputPort* pin)
+{
+	Init();
+	if(timer!= nullptr)
+		_timer = timer;
+	if(pin!= nullptr)
+		_phonatePin = pin;
+}
+
+void Alarm::Init()
+{
+	_tuneSet = nullptr;
+	_tuneNum = 0;
+	_timer = nullptr;
+	_phonatePin = nullptr;
+	Sounding = false;
+	sound_cnt = 0;
+	music_beat = 0;
+	music_freq = 0;
+}
+
+void Alarm::Disposable()
+{
+	if(_timer)
+	{
+		_timer->Close();
+		delete(_timer);
+	}
+	if(_phonatePin)delete(_phonatePin);
+	_tuneSet = nullptr;
+}
+
+
+Alarm::~Alarm()
+{
+	_tuneSet	= nullptr;
+	_tuneNum	= 0;
+	_timer->Close();
+	Sounding	= false;
+	_timer		= nullptr;
+}
+
+void Alarm::Sound()
+{
+	if(_timer!= nullptr && _phonatePin != nullptr && _tuneSet != nullptr && _tuneNum != 0)
+	{
+		_timer->SetFrequency(100000);
+		//_timer->Register(TimerHander, this);
+		_timer->Register(Delegate<Timer&>(&Alarm::TimerHander, this));
+		_timer->Open();
+		Sounding = true;
+	}
+}
+
+void Alarm::Sound(const Tune* tune,int num)
+{
+	SetTuneSet(tune,num);
+	Sound();
+}
+
+void Alarm::Unsound()
+{
+	_timer->Close();
+	Sounding = false;
+}
+
+void Alarm::SetTuneSet(const Tune* tune, int num)
+{
+	if(Sounding) Unsound();
+
+	if(tune != nullptr && num != 0)
+	{
+		_tuneSet = tune;
+		_tuneNum = num;
+	}
+}
+
+bool Alarm::getStat()
+{
+	return Sounding;
+}
+
+void Alarm::TimerHander(Timer& timer)
+{
+	/*if(param == nullptr)return;
+	Alarm * music = (Alarm * )param;
+	music->phonate();*/
+
+	phonate();
+}
+
+void Alarm::phonate()
+{
+	if(music_freq == 0)
+	{
+		music_freq = _tuneSet[sound_cnt].freq;
+		*_phonatePin = !*_phonatePin;
+	}
+	if(music_beat == 0)
+	{
+		sound_cnt++;
+		if(sound_cnt >= _tuneNum)
+			sound_cnt = 0 ;
+		music_beat = _tuneSet[sound_cnt].timer * 700;
+		music_freq = _tuneSet[sound_cnt].freq;
+	}
+	music_freq --;
+	music_beat --;
+}

App/Alarm.h

@@ -0,0 +1,43 @@
+#ifndef __Alarm_H__
+#define __Alarm_H__
+
+#include "Sys.h"
+#include "Timer.h"
+#include "Port.h"
+
+typedef struct		// 单个音节
+{
+	byte freq;
+	byte timer;
+}Tune;
+
+class Alarm
+{
+private:
+	const Tune*	_tuneSet;		// 调子集合 就是曲子
+	int			_tuneNum;		// 有多少个调子
+	Timer*		_timer;			// 定时器
+	OutputPort*	_phonatePin;	// 输出引脚
+
+	bool Sounding;			// 作为判断的依据  最好只有Get 没有Set
+public:	
+	bool getStat();
+
+	Alarm(Timer*,OutputPort*);
+	void Init();
+	~Alarm();
+	void Sound();
+	void Unsound();
+	void Sound(const Tune*,int num = 0);
+	void SetTuneSet(const Tune*,int num = 0);
+	void Disposable();
+
+private:
+	volatile int sound_cnt;
+	volatile int music_freq;
+	volatile int music_beat;
+	void TimerHander(Timer& timer);
+	void phonate();
+};
+
+#endif