DCC.h

#include <Arduino.h>

const int nTrains =  100;
typedef struct trains_ {
	signed char speed;
	unsigned char headLight : 1;			
	unsigned char functions;
	unsigned char decoderType;
} Train;
//extern Trains train[];  TRAINS ARE NOW LOCAL TO DCC.c

extern Train getTrain( uint8_t );
extern void dumpData();


enum decoderTypes {
	MM2,		// NOT IMPLEMENTED YET
	DCC14,
	DCC28,
	SELECTRIX, // NOT IMPLEMENTED YET
	EMPTY_SLOT = 255,
};

extern byte debug;
extern uint8_t selectedAddress;

// CONTROL FUNCTIONS
extern void setSpeed( uint8_t , uint8_t );
extern void setHeadlight( uint8_t , uint8_t );
extern void setFunctions( uint8_t , uint8_t );
extern void turnPower( uint8_t );



/***** CONSTANTS *****/
#define _ON 1
#define _OFF 0

#define ESTOP 30

extern void initDCC();
extern void DCCsignals();

enum trainCommands {
	ESTOP_MASK		= 0x40,
	REVERSE_MASK	= 0x80,
	FORWARD			= 0b011	 << 5,
	REVERSE			= 0b010	 << 5,
	FUNCTIONS1		= 0B100	 << 5, 
	FUNCTIONS2		= 0B1011 << 4,
	FUNCTIONS3		= 0B1010 << 4
};	 // F9-12 not yet in use, just added this for future purposes