dcf77.h

#ifndef DFC77_H
#define DFC77_H

#include "DCFDateTime.h"

#define MSG_SIZE      		60
#define WEATHER_SIZE  		82
#define WEATHER_INFO_SIZE   3

#define DCF_STATE_SAMPLING    0
#define DCF_STATE_NEWSECOND   1
#define DCF_STATE_NEWMINUTE   2
#define DCF_STATE_NEWWEATHER  3

class Dcf77 {
  public:
  	void Init(int aPort, int pdnPort=0, int gainPort=0);
  	
  	byte Run(void);
  	
  	bool GetWeatherInfo(byte* aWeather);
  	byte GetWeatherArea();
  	byte GetWeatherSection();
  	
  	DCFDateTime GetTime(void);
    bool TimeIsValid();
    //char weatherData[WEATHER_SIZE+1];
    bool mMessage[MSG_SIZE];
    //bool mMessageHistory[2][MSG_SIZE];
    byte mBitCounter;
  
  private:
  
    void checkMessage(bool* aMessage);
    bool addToWeatherInfo(bool* aMessage);
    void copyWeatherInfo(bool* aMessage, byte aIndex);
    bool checkValidMessage(bool* aMessage);
    bool checkParity(bool* aMessage, byte aStart, byte aEnd);
    byte getMinute(bool* aMessage);
    byte flipByte(byte aByte);
    void CopyTimeToByteUint(byte* data, byte* key, struct DataContainer* container);
    void ShiftTimeRight(int round, struct DataContainer* container);
    void ExpandR(struct DataContainer* container);
    void CompressKey(struct DataContainer* container);
    void DoSbox(struct DataContainer* container);
    void DoPbox(struct DataContainer* container);
    void Decrypt(byte* cipher, byte* key, byte* result);
    
    byte getArea(DCFDateTime aTime);
    byte getSection(DCFDateTime aTime);
    unsigned int getMinutesSince2200(DCFDateTime aTime);
  
    bool mPrevDcf;
    unsigned long mTimePosEdge;
    unsigned long mTimeNegEdge;
    bool mBitReceived;
    unsigned long mTimePrevBit;
    

    bool mWeatherData[WEATHER_SIZE];
    byte mWeatherArea;
    byte mWeatherSection;
    
    int mPort;
    
    DCFDateTime mTime;
    bool mTimeValid;
};

#endif