/* *  packet.h  *  Packet processing module header file
* */


#define ASCIIPACKETS                    /*uncommented for ascii packets*/

#ifdef ASCIIPACKETS
#define HEADERSIZE 2
#define DELIMITER  0

#define MASKNIB    1 

#define EXT_DELIMITER  2 

#define EXT_MASKNIB    3 

#define TRUE  1
#define FALSE 0
#define SUCCESS 1
#define FAILURE 0

#define DLMIN     'a'
#define DLMAX     'p'
#endif

#ifdef BINPACKETS
#define HEADERSIZE 1
#endif

//#define MAXPDATASIZE 32		/*MRKTYP2 16 bytes data*/

#define MAXPDATASIZE 510	/*MRKTYP2 255 bytes data + extended header information*/

#define MAXPACKETSIZE (MAXPDATASIZE+HEADERSIZE)
#define TRANSFLIP 9+'a'


/*
Data Types
*/
#define INVLTYP		0x00		
#define MRKTYP0		0x01		
#define MRKTYP1		0x02		
#define MRKTYP2		0x03		
#define MRKTYP3		0x04		
#define MRKTYP4		0x05		
#define MRKTYP5	        0x06		
#define MRKTYP6		0x07		

/* Packet headers transmitted from the coprocessor*/
/* (The digit is in the upper nibble of the header that is rxed)*/
#define EXTCMD		0		// extended cmd protocol 
#define ADBLK0		1		// a/d block 0 (channels 0-15)
#define ADBLK1		2  		// a/d block 1 (channels 16-23
#define PRTIN0		3  		// digital port block 0
#define CAN		4  		// CAN message
#define KEYPAD		5  		// Keypad header
#define DAQ		6		// DAQ header
#define PRTOUT		7		// digital port block 0 out(Rxed by coprocessor)
#define PWMCON		8		// pwm config
/* PWMCON- PWM configuration header*/

#define PRTCFG0		9		//digital port block 0 configuration
#define LONG_EXT	10		//LCD header
#define SERIAL		11		//Serial Header
#define IRDA		12		//IRDA header
#define ADREQ0		13		//AD request block 0
#define ADREQ1		14		//AD request block 1
#define DREQ		15		//digital port req

/* extended commands */

#define EXTNULCMD	16
#define SOFTINFO	17
#define COUNTER		18		//counter read request
#define COUNTERD	19		//counter data or config
#define ICNOTIFY	20		//zero count notification
#define CANCFG		21		//can configuration
#define SERCFG		22		//Serial configuration
#define LCDROWS		23		//change number of LCD rows		
//#define RELAY		24		//relay header
#define LED		25		//LED header
#define TCAPS		26		//test caps
#define BEEPER		27		//beeper
#define LCD             29		//standard LCD
#define VFP		30		//vfp header


//long protocol headers start
#define LPHEADERS	VFP


//translations for the e12
#define RS232DATA		IRDA
#define RS422DATA		SERIAL
#define SER232                  RS232DATA
#define SER422                  RS422DATA

#define VERSIONINFO             SOFTINFO

/*delimiter, uncommenting this means delimiter exists*/
//#define DELIM          ","              // packet delimeter(ascii packets only)
#define NOPACKET        -1              // no packet available error
#define PARSEERROR      -2              // parse error

/* headers are unsigned bytes(chars) */
typedef unsigned char PcpkHeader;
typedef struct PcpkPacket PcpkPacket;

struct PcpkPacket {
unsigned char type; 
unsigned char format; 
unsigned char maskcnt; 
unsigned char datasize; 
unsigned int datanum; 
unsigned char extended; 
unsigned char mult;	
unsigned char data[MAXPACKETSIZE];
};



/*Make an array of 16 elements of CONST for header decoding */





static const PcpkHeader hdrTbl[32] = { MRKTYP5,MRKTYP3,MRKTYP3,MRKTYP0
				      ,MRKTYP2,MRKTYP2,MRKTYP1,MRKTYP0
				      ,MRKTYP1,MRKTYP0,MRKTYP6,MRKTYP2
				      ,MRKTYP2,MRKTYP4,MRKTYP4,MRKTYP4
				      ,INVLTYP,MRKTYP2,MRKTYP3,MRKTYP1
				      ,MRKTYP1,MRKTYP1,MRKTYP1,MRKTYP3
				      ,MRKTYP1,MRKTYP0,MRKTYP2,MRKTYP3
				      ,MRKTYP2,MRKTYP2,MRKTYP2,INVLTYP };
				


 



#define TRANS(head) (asciihead(head))

#define EXT_TRANS(head) (head + 0x20)



#define PTYPE(headr) (headr >> 4)  
#define FORMAT(Type) (hdrTbl[Type])



#define MASK(headr) (headr & 0x0f)

 




#ifndef LIBCOMP
extern PcpkHeader PcpkParseHeader(char *, PcpkPacket *);
extern int PcpkParseData(char *, PcpkPacket *);
extern char *PcpkPackGen(__u8 device,__u8 maskcnt,void *data);
#endif


//#define GEN_DEBUG

#undef GENDEBUG
#ifdef GEN_DEBUG
#define GENDEBUG(fmt, args...) printf(fmt, ## args)
#else 
#define GENDEBUG(fmt, args...) 
#endif