package parser_pkg is
    --! maximum length of data packet
    constant MAX_DATA_LEN       : integer := 54;
    -- Serial communication constants
    --! message is from command interface
    constant SER_COM_CMD_INTF_TYPE : std_logic_vector(7 downto 0) := X"55";
    -- ... куча других констант

    --! command data structure
    type cmd_t is record
        --! message command
        cmd         : std_logic_vector(15 downto 0);
        --! message type
        msg_type    : bc_msg_type_t;
        --! interface
        intf_type    : bc_intf_type_t;        
        --! message length
        msg_len     : integer range 0 to MAX_DATA_LEN;
        --! answer code
        answer      : std_logic_vector(15 downto 0);
        --! answer length
        answer_len : integer range 0 to MAX_DATA_LEN;
        --! target host FPGA (Master / Slave)
        target_host: target_host_t;
    end record cmd_t;

    constant CMD_MIO_DUMMY : std_logic_vector(15 downto 0)          := X"0000"; --! dummy command to reset interface

    type cmd_arr is array(integer range <>) of cmd_t;

    -- List of all supported commands with length (in bytes) and category
    constant BC_CMD_CMD_LIST : bc_cmd_arr := (
        (CMD_MIO_DUMMY, MIO, CMD_INTF,0,EC_OK,0,BOTH),
        (CMD_MIO_GETNBTIMMEAS, MIO, CMD_INTF,0,EC_OK,2,SINGLE),
        (CMD_MIO_GETSTATUS, MIO, CMD_INTF,0,EC_OK,2,SINGLE),
        (CMD_MIO_GETLKDMODINF, MIO, CMD_INTF,4,EC_OK,12,SINGLE),    
        (CMD_MIO_GETNBLKDMOD, MIO, CMD_INTF,0,EC_OK,2,SINGLE),
        (CMD_MIO_STOREUID, MIO, CMD_INTF,6,EC_OK,0,BOTH),
        (CMD_MIO_GETUID,MIO, CMD_INTF,0,EC_OK,6,SINGLE),
        (CMD_MIO_GETVERSION,MIO, CMD_INTF,0,EC_OK,8,SINGLE),
        (CMD_MIO_GETERRORCODE,MIO, CMD_INTF,0,EC_OK,4,SINGLE),
        (CMD_MIO_GETHWINF,MIO, CMD_INTF,0,EC_OK,52,BOTH),
        (CMD_MIO_DECLAREMASTER,SCO,CMD_INTF,16,EC_OK,12,BOTH),
        (CMD_MIO_STARTSAFECOM,SCO,CMD_INTF,0,EC_OK,0,BOTH),
        (CMD_MIO_TAKECFGDATA,SCO,CMD_INTF,24,EC_OK,0,BOTH),
        (CMD_MIO_STORECFGDATA,SCO,CMD_INTF,0,EC_OK,0,BOTH)
    );

    -- Function declaration
    --! @details    Get command message properties
    --!
    --! InP:        Command  
    --! OutP:       message properties
    function get_bc_cmd_cmd (cmd : std_logic_vector(15 downto 0)) return cmd_t;
end package parser_pkg;