#ifndef ELVIS_H
#define ELVIS_H

/* error codes */
#define Err_OpenSerialPort 		1
#define Err_CloseSerialPort 		2
#define Err_DataOnInput 		3
#define Err_ReceiveText 		4
#define Err_TransmitData 		5
#define Err_SetBaudRate 		6
#define Err_OpenUDPPort 		7
#define Err_CloseUDPPort 		8
#define Err_SendUDPPacket	 	9
#define Err_SetupUDPPort 		10
#define Err_EncodeP4			11
#define Err_DecodeP4			12
#define Err_SetHookRecieveFunction 	13
#define Err_SetHookErrorFunction 	14
#define Err_UDPThreadExecute 		15
#define Err_SerialThreadExecute 	16 

/* serial port functions */
extern int CloseSerialPort(void);
extern int DataOnInput(void);
extern char *ReceiveText(void);
extern int SetBaudRate(unsigned int BaudRate);
extern unsigned int SendSerialPacket(unsigned short ToAddressP4,
		unsigned short FromAddressP4, char *Buf, char TypeP4 = 0x03);
extern int OpenSerialPort(char *ComPort);

/* UDP socket functions */
extern int OpenUDPPort(unsigned short UDPPort, char *FromIP = "0.0.0.0");
extern int CloseUDPPort(void);
extern int SetupUDPPort(unsigned short UDPPort, char *FromIP = "0.0.0.0");
extern int SendUDPPacket(unsigned short ToAddressP4,
		unsigned short FromAddressP4, char *ToAddressIP, char *Buf,
		char TypeP4 = 0x03, unsigned short UDPPort = 6666);

/* P4 protocol conversion functions */
extern char *EncodeP4(unsigned short ToAddress, unsigned short FromAddress,
		char *Data, char TypeP4 = 0x03);
extern int DecodeP4(char *Data, unsigned short &ToAddress,
		unsigned short FromAddress, char *DecodeData, char &TypeP4);

/* catching functions other setup */
extern int SetHookRecieveFunction(void *PointerOfFunction);
extern int SetHookErrorFunction(void *PointerOfFunction);

/* informative functions */
extern void ShowCopyright(void);
extern char *GetDllVersion(void);

#endif