radif Type Reference

radif_pkg interfaces/hdl/radif/src/radif_pkg.vhd

Shared RadIF register-interface package. Defines register response constants, address/data records, and utility functions used by RadIF bridges and register banks.

Constants

RADIF_OP_CAPS constant

constant RADIF_OP_CAPS : std_logic_vector(7 downto 0) := x"7F";

RADIF_OP_NOP constant

constant RADIF_OP_NOP : std_logic_vector(7 downto 0) := x"00";

RADIF_OP_REG_READ constant

constant RADIF_OP_REG_READ : std_logic_vector(7 downto 0) := x"02";

RADIF_OP_REG_WRITE constant

constant RADIF_OP_REG_WRITE : std_logic_vector(7 downto 0) := x"01";

RADIF_OP_STREAM_READ constant

constant RADIF_OP_STREAM_READ : std_logic_vector(7 downto 0) := x"11";

RADIF_OP_STREAM_WRITE constant

constant RADIF_OP_STREAM_WRITE : std_logic_vector(7 downto 0) := x"10";

RADIF_STATUS_BAD_CRC constant

constant RADIF_STATUS_BAD_CRC : std_logic_vector(7 downto 0) := x"02";

RADIF_STATUS_BAD_OP constant

constant RADIF_STATUS_BAD_OP : std_logic_vector(7 downto 0) := x"03";

RADIF_STATUS_ERROR constant

constant RADIF_STATUS_ERROR : std_logic_vector(7 downto 0) := x"01";

RADIF_STATUS_OK constant

constant RADIF_STATUS_OK : std_logic_vector(7 downto 0) := x"00";

Functions

radif_crc16_step function

function radif_crc16_step(crc_in : std_logic_vector(15 downto 0); data_in : std_logic_vector(7 downto 0)) return std_logic_vector;

radif_word_bytes function

function radif_word_bytes(data : std_logic_vector) return natural;