#ifndef _INTERFACE_Z21_H_
#define _INTERFACE_Z21_H_

#include "modelbahn.h"
#include "interface.h"
#include <UDPTCPNetwork.h>

#define INTF_Z21_TIMEOUT 10
#define INTF_Z21_INBUFFER 2048

// STATUSCHANGED / CENTRALSTATE
#define INTF_Z21_CS_EmergencyStop	0x01
#define INTF_Z21_CS_TrackVoltageOff	0x02
#define INTF_Z21_CS_ShortCircuit	0x04
#define INTF_Z21_CS_ProgModeActive	0x20

#define INTF_Z21_LOCONET_MAXADDR	255
#define INTF_Z21_RMSENSOR_GROUPS		2
#define INTF_Z21_RMSENSOR_BYTES		10
#define INTF_Z21_RMGETDATA_TIMEOUT	30

struct s_loconet_map{
	int addr;
	int dir;
	int steps;
	int speed;
	int maxspeed;
};

class InterfaceZ21 {
	private:
		string hostname;
		string serial;
		char inbuffer[INTF_Z21_INBUFFER];
		struct s_loconet_map loconet_map[INTF_Z21_LOCONET_MAXADDR];
		struct s_loconet_map loconet_last;	// needed for detecting loco_changes

		UDP udp;
		time_t timeout;
		time_t rmgetdatatimeout;
		bool send_logon;

		bool status_poweron;
		bool status_shortcircuit;
		bool status_programmingmode;
		bool status_connected;
		bool status_emergencystop;

		unsigned char rmsensors[INTF_Z21_RMSENSOR_BYTES * INTF_Z21_RMSENSOR_GROUPS];
		int rmsensorinit;

//		void send_X_SET_TRACK_POWER_ON();
//		void send_X_SET_TRACK_POWER_OFF();
		void send_GET_SERIAL_NUMBER();
		void send_SET_BROADCASTFLAGS();
		void send_LOGOFF();
		void send_RM_GETDATA(int group);

	public:
		InterfaceZ21();
		~InterfaceZ21();

		void Connect(string destination);
		void Disconnect();

		bool IsConnected() { return status_connected; };
		bool IsPoweron() { return status_poweron; };
		bool IsSortCircuit() { return status_shortcircuit; };
		bool IsProgramminnMode() { return status_programmingmode; };
		bool IsEmergencyStop() { return status_emergencystop; };

		int Loop(string interfacename);
		void PowerOnOff(int onoff);
		void SetLocoSpeed(Locomotive *l, int step);
		void SetLocoFunction(Locomotive *l, int func, int value);
		void SetTurnout(Turnout *t, int activate, int motoractive);
};


#endif