#ifndef RMAPOPERATIONS_H
#define RMAPOPERATIONS_H

#include "qhexspinbox.h"

#define READ_WRITE_MAX_COUNTS 4096                      // in words
#define RMAP_MAX_DATA_LENGTH 4*READ_WRITE_MAX_COUNTS    // in bytes, shall be lower than the limit size of SPW packet of the GRESB bridge
#define RMAP_READ_REPLY_HEADER_LENGTH 12                // in bytes => ECSS
#define RMAP_READ_COMMAND_HEADER_LENGTH 16              // in bytes => ECSS
#define RMAP_DATA_CRC_LENGTH 1                          // in bytes => ECSS
#define RMAP_MAX_PACKET_LENGTH RMAP_READ_REPLY_HEADER_LENGTH + RMAP_MAX_DATA_LENGTH + RMAP_DATA_CRC_LENGTH

#define DEFAULT_DESTINATION_KEY 2
#define DEFAULT_SOURCE 0
#define DEFAULT_TARGET 254

static const unsigned char RMAP_CRCTable[] = {
   0x00, 0x91, 0xe3, 0x72, 0x07, 0x96, 0xe4, 0x75,
   0x0e, 0x9f, 0xed, 0x7c, 0x09, 0x98, 0xea, 0x7b,
   0x1c, 0x8d, 0xff, 0x6e, 0x1b, 0x8a, 0xf8, 0x69,
   0x12, 0x83, 0xf1, 0x60, 0x15, 0x84, 0xf6, 0x67,
   0x38, 0xa9, 0xdb, 0x4a, 0x3f, 0xae, 0xdc, 0x4d,
   0x36, 0xa7, 0xd5, 0x44, 0x31, 0xa0, 0xd2, 0x43,
   0x24, 0xb5, 0xc7, 0x56, 0x23, 0xb2, 0xc0, 0x51,
   0x2a, 0xbb, 0xc9, 0x58, 0x2d, 0xbc, 0xce, 0x5f,
   0x70, 0xe1, 0x93, 0x02, 0x77, 0xe6, 0x94, 0x05,
   0x7e, 0xef, 0x9d, 0x0c, 0x79, 0xe8, 0x9a, 0x0b,
   0x6c, 0xfd, 0x8f, 0x1e, 0x6b, 0xfa, 0x88, 0x19,
   0x62, 0xf3, 0x81, 0x10, 0x65, 0xf4, 0x86, 0x17,
   0x48, 0xd9, 0xab, 0x3a, 0x4f, 0xde, 0xac, 0x3d,
   0x46, 0xd7, 0xa5, 0x34, 0x41, 0xd0, 0xa2, 0x33,
   0x54, 0xc5, 0xb7, 0x26, 0x53, 0xc2, 0xb0, 0x21,
   0x5a, 0xcb, 0xb9, 0x28, 0x5d, 0xcc, 0xbe, 0x2f,
   0xe0, 0x71, 0x03, 0x92, 0xe7, 0x76, 0x04, 0x95,
   0xee, 0x7f, 0x0d, 0x9c, 0xe9, 0x78, 0x0a, 0x9b,
   0xfc, 0x6d, 0x1f, 0x8e, 0xfb, 0x6a, 0x18, 0x89,
   0xf2, 0x63, 0x11, 0x80, 0xf5, 0x64, 0x16, 0x87,
   0xd8, 0x49, 0x3b, 0xaa, 0xdf, 0x4e, 0x3c, 0xad,
   0xd6, 0x47, 0x35, 0xa4, 0xd1, 0x40, 0x32, 0xa3,
   0xc4, 0x55, 0x27, 0xb6, 0xc3, 0x52, 0x20, 0xb1,
   0xca, 0x5b, 0x29, 0xb8, 0xcd, 0x5c, 0x2e, 0xbf,
   0x90, 0x01, 0x73, 0xe2, 0x97, 0x06, 0x74, 0xe5,
   0x9e, 0x0f, 0x7d, 0xec, 0x99, 0x08, 0x7a, 0xeb,
   0x8c, 0x1d, 0x6f, 0xfe, 0x8b, 0x1a, 0x68, 0xf9,
   0x82, 0x13, 0x61, 0xf0, 0x85, 0x14, 0x66, 0xf7,
   0xa8, 0x39, 0x4b, 0xda, 0xaf, 0x3e, 0x4c, 0xdd,
   0xa6, 0x37, 0x45, 0xd4, 0xa1, 0x30, 0x42, 0xd3,
   0xb4, 0x25, 0x57, 0xc6, 0xb3, 0x22, 0x50, 0xc1,
   0xba, 0x2b, 0x59, 0xc8, 0xbd, 0x2c, 0x5e, 0xcf
};

enum RMAP_command_codes{
    invalid0,                   //0000
    invalid1,                   //0001
    read_Single,                //0010
    read_Inc,                   //0011
    invalid2,                   //0100
    invalid3,                   //0101
    invalid4,                   //0110
    readModWri_Inc,             //0111
    writeSingle_noVer_noRep,    //1000
    writeInc_noVer_noRep,       //1001
    writeSingle_noVer_Rep,      //1010
    writeInc_noVer_Rep,         //1011
    writeSingle_ver_noRep,      //1100
    writeInc_ver_noRep,         //1101
    writeSingle_ver_rep,        //1110
    writeInc_ver_rep            //1111
};

struct rmap_command_format_str
{
    // char tagetSpaceWireAddress[];    // used for path addressing or regional addressing
    char targetLogicalAddress;
    char protocolIdentifier;
    char instruction;
    unsigned char key;                  // used for command authorization => check Gaisler GRSPW for compliance
    //char replyAddress[];              // not needed if logical addressing is used (replyAddressLength = 0b00)
    unsigned char initiatorLogicalAddress;
    char transactionIdentifier1;
    char transactionIdentifier0;
    char extendedAddress;
    char address3;
    char address2;
    char address1;
    char address0;
    unsigned char dataLength2;
    unsigned char dataLength1;
    unsigned char dataLength0;
    char headerCRC;
};
typedef struct rmap_command_format_str rmap_command_format_t;

struct rmap_write_reply_str
{
    unsigned char initiatorLogicalAddress;
    unsigned char protocolIdentifier;
    unsigned char instruction;
    unsigned char status;
    unsigned char targetLogicalAddress;
    unsigned char transactionIdentifier1;
    unsigned char transactionIdentifier2;
    unsigned char headerCRC;
};
typedef struct rmap_write_reply_str rmap_write_reply_t;

struct rmap_read_reply_PcktHdr_str
{
    //char replyAddress[];              // not needed if logical addressing is used
    char initiatorLogicalAddress;
    char protocolIdentifier;
    char instruction;
    char status;
    char targetLogicalAddress;
    char transactionIdentifier1;
    char transactionIdentifier0;
    char reserved;
    unsigned char dataLength2;
    unsigned char dataLength1;
    unsigned char dataLength0;
    char headerCRC;
};
typedef struct rmap_read_reply_PcktHdr_str rmap_read_reply_PcktHdr_t;

struct rmap_gresb_header_str
{
    char GRESBProtocoleID;
    unsigned char SPWPacketSize2;
    unsigned char SPWPacketSize1;
    unsigned char SPWPacketSize0;
};
typedef struct rmap_gresb_header_str rmap_gresb_header_str;

class RMAP
{
public:
    RMAP(RMAP_command_codes commandCode,
         unsigned char targetLogicalAddress,
         unsigned char initiatorLogicalAddress,
         int startAddress,
         int nbBytes,
         char *data);
    unsigned char RMAPCalculateCRC(unsigned char INCR, unsigned char INBYTE); // ECSS-E-ST-50-52C
    unsigned char RMAPCalculateHeaderCRC();
    unsigned char RMAPCalculateDataCRC(char *data, int nbBytes);
    rmap_gresb_header_str GRESBHeader;
    rmap_command_format_t RMAPHeader;
    char dataCRC;
};

#endif // RMAPOPERATIONS_H