RFtrx.h

/*
 * RFTRX library v1.0 for Arduino
 * 
 * This library receives and sends RF,IR signals. No protocol decoding is done here.
 * 
 * Copyright 2015 by Arco van Geest <arco@appeltaart.mine.nu>
 *
 * The purpose of this library is to send and recieve data in manchester or spacelength to support all sort of domotic signals. 
 *
 * 20150107 Initial version
 * 20151007 join functions with channel selector
 * 
 * License: GPLv3. See license.txt
 */
 
#ifndef _RFTRX_h
#define _RFTRX_h

#include <Arduino.h>
#include <inttypes.h>
#include <avr/io.h>
#include <avr/interrupt.h>

#ifndef RADIOCOUNT
#define RADIOCOUNT 1
#endif

// buffer can contain max 128 changes/pulse lengths
//#define RX_SIZE 128 
#define RX_SIZE 400 



class RFtrx {
	public:
		RFtrx();

	void initInterrupt(int vector,int channel);
	
	
	void enableReceive(int channel);
	 void disableReceive(int channel);
	 static void receiveInterrupt(int channel) ;

static void receiveInterruptChannel0();
static void receiveInterruptChannel1();
static void receiveInterruptChannel2();
static void receiveInterruptA();


	 bool dataready(int channel ) ;
	 long getNext(int channel) ;
	int dataCount(int channel);

	 
	 void setMinStartLength( unsigned long length );
	 void setMaxStartLength( unsigned long length );
	
	 void setMinPeriodLength( unsigned long length );
	 void setMaxPeriodLength( unsigned long length );
	
	
	

private:
static bool activedata[RADIOCOUNT];
static bool glitch[RADIOCOUNT];

  static unsigned long volatile rxbuffer[RADIOCOUNT][ RX_SIZE +4 ];
  static  unsigned int rxhead[RADIOCOUNT];
  static  unsigned int rxtail[RADIOCOUNT];
  static  unsigned int rxenable[RADIOCOUNT];

   
  
 static  unsigned long minStartLength;
 static  unsigned long maxStartLength;

static   unsigned long minPeriodLength;
 static  unsigned long maxPeriodLength;

  
//static unsigned long currentTime;
static unsigned long lastTime[ RADIOCOUNT ];
//static unsigned long lastTime2;
//static unsigned long lastTime3;

};



#endif