AlarmConfig 数据结构

App/Alarm.cpp

@@ -1,6 +1,115 @@
 #include "Alarm.h"
 
+#define Int_Max  2147483647
+
+class AlarmConfig :public ConfigBase
+{
+public:
+	byte Length;
+	AlarmDataType Data[20];
+	byte TagEnd;
+
+	AlarmConfig();
+	virtual void Init();
+};
+
+AlarmConfig::AlarmConfig()
+{
+	_Name = "AlarmCf";
+	_Start = &Length;
+	_End = &TagEnd;
+	Init();
+}
+
+void AlarmConfig::Init()
+{
+	Buffer(Data, sizeof(Data)).Clear();
+}
+
+/************************************************/
+
 Alarm::Alarm()
+{
+	AlarmTaskId = 0;
+	AfterAlarmId = 0xff;
+}
+
+bool Alarm::SetCfg(byte id, AlarmDataType& data)
+{
+	AlarmConfig cfg;
+	cfg.Load();
+
+	Buffer bf(&data, sizeof(AlarmDataType));
+	Buffer bf2(&cfg.Data[id].Enable, sizeof(AlarmDataType));
+	bf2 = bf;
+
+	cfg.Save();
+	// 修改过后要检查一下Task的时间
+	// xxxx
+	return true;
+}
+
+bool Alarm::GetCfg(byte id, AlarmDataType& data)
+{
+	AlarmConfig cfg;
+	cfg.Load();
+
+	Buffer bf(&data, sizeof(AlarmDataType));
+	Buffer bf2(&cfg.Data[id].Enable, sizeof(AlarmDataType));
+	bf = bf2;
+	return true;
+}
+
+int Alarm::CalcNextTime(AlarmDataType& data)
+{
+	auto dt = DateTime::Now();
+	if (data.Type.ToByte() & 1 << dt.DayOfWeek())
 	{
 
 	}
+	return Int_Max;
+}
+
+byte Alarm::FindAfter()
+{
+	AlarmConfig cfg;
+	cfg.Load();
+
+	int nextTimeMs;
+	byte id = 0xff;
+	for (int i = 0; i < 20; i++)
+	{
+		if (!cfg.Data[i].Enable)continue;
+		int time = CalcNextTime(cfg.Data[i]);
+		if (time < nextTimeMs) 
+		{
+			nextTimeMs = time;
+			id = i;
+		}
+	}
+	if (id != 0xff)NextAlarmMs = nextTimeMs;
+
+	return id;
+}
+
+void Alarm::AlarmTask()
+{
+	// 执行动作
+
+	// 找到下一个定时器动作的时间
+	AfterAlarmId = FindAfter();
+	if (AfterAlarmId != 0xff)
+	{
+		Sys.SetTask(AlarmTaskId, true, NextAlarmMs);
+		return;
+	}	
+
+	Sys.SetTask(AlarmTaskId, false);
+}
+
+void Alarm::Start()
+{
+	if (!AlarmTaskId)AlarmTaskId = Sys.AddTask(&Alarm::AlarmTask, this, -1, -1, "AlarmTask");
+	Sys.SetTask(AlarmTaskId,true);
+}
+

App/Alarm.h

@@ -4,14 +4,60 @@
 #include "Sys.h"
 #include "Timer.h"
 #include "Port.h"
+#include "..\Config.h"
+
+class ByteStruct2	// 位域基类
+{
+public:
+	void Init(byte data = 0) { *(byte*)this = data; }
+	byte ToByte() { return *(byte*)this; }
+};
+
+typedef struct:ByteStruct2
+{
+	byte Sunday		: 1;
+	byte Monday		: 1;
+	byte Tuesday	: 1;
+	byte Wednesday	: 1;
+	byte Thursday	: 1;
+	byte Friday		: 1;
+	byte Saturday	: 1;
+	byte Again		: 1;
+}AlarmType;
+
+// 必须设定为1字节对齐，否则offsetof会得到错误的位置
+#pragma pack(push)	// 保存对齐状态
+// 强制结构体紧凑分配空间
+#pragma pack(1)
+typedef struct
+{
+	byte	Enable;
+	AlarmType Type;
+	byte Hour;
+	byte Minutes;
+	byte Seconds;
+	byte Data[11];
+}AlarmDataType;
+#pragma pack(pop)	// 恢复对齐状态
 
 class Alarm
 {
 public:
 	Alarm();
 	
-	// bool AddLine(byte id,byte* data);
+	bool SetCfg(byte id, AlarmDataType& data);
+	bool GetCfg(byte id, AlarmDataType& data);
 
+	void Start();
+
+private:
+	byte AfterAlarmId;	// 0xff 无效
+
+	uint AlarmTaskId;
+	int NextAlarmMs;	// 下次闹钟时间
+	void AlarmTask();
+	byte FindAfter();
+	int CalcNextTime(AlarmDataType& data);
 };
 
 #endif