Package: AxiStreamPkg

• File: AxiStreamPkg.vhd

Description

Constants

Name	Type	Value	Description
AXI_STREAM_MAX_TDATA_WIDTH_C	positive	512	Units of bits
AXI_STREAM_MAX_TKEEP_WIDTH_C	positive	(AXI_STREAM_MAX_TDATA_WIDTH_C/8)	Units of bytes
AXI_STREAM_MASTER_INIT_C	AxiStreamMasterType	( tValid => '0', tData => (others => '0'), tStrb => (others => '1'), tKeep => (others => '1'), tLast => '0', tDest => (others => '0'), tId => (others => '0'), tUser => (others => '0'))
AXI_STREAM_SLAVE_INIT_C	AxiStreamSlaveType	( tReady => '0')
AXI_STREAM_SLAVE_FORCE_C	AxiStreamSlaveType	( tReady => '1')
AXI_STREAM_CONFIG_INIT_C	AxiStreamConfigType	( -- TDEST_INTERLEAVE_C => true, TSTRB_EN_C => false, TDATA_BYTES_C => 16, TDEST_BITS_C => 4, TID_BITS_C => 0, TKEEP_MODE_C => TKEEP_NORMAL_C, TUSER_BITS_C => 4, TUSER_MODE_C => TUSER_NORMAL_C)
AXI_STREAM_CTRL_INIT_C	AxiStreamCtrlType	( pause => '1', overflow => '0', idle => '0')
AXI_STREAM_CTRL_UNUSED_C	AxiStreamCtrlType	( pause => '0', overflow => '0', idle => '1')

Types

Name	Type	Description
AxiStreamMasterType
AxiStreamMasterArray	array (natural range<>) of AxiStreamMasterType
AxiStreamMasterVectorArray	array (natural range<>, natural range<>) of AxiStreamMasterType
AxiStreamDualMasterArray	array (natural range <>) of AxiStreamMasterArray(1 downto 0)
AxiStreamQuadMasterArray	array (natural range <>) of AxiStreamMasterArray(3 downto 0)
AxiStreamOctalMasterArray	array (natural range <>) of AxiStreamMasterArray(7 downto 0)
AxiStreamSlaveType
AxiStreamSlaveArray	array (natural range<>) of AxiStreamSlaveType
AxiStreamSlaveVectorArray	array (natural range<>, natural range<>) of AxiStreamSlaveType
AxiStreamDualSlaveArray	array (natural range <>) of AxiStreamSlaveArray(1 downto 0)
AxiStreamQuadSlaveArray	array (natural range <>) of AxiStreamSlaveArray(3 downto 0)
AxiStreamOctalSlaveArray	array (natural range <>) of AxiStreamSlaveArray(7 downto 0)
TUserModeType	(TUSER_NORMAL_C, TUSER_FIRST_LAST_C, TUSER_LAST_C, TUSER_NONE_C)
TKeepModeType	(TKEEP_NORMAL_C, TKEEP_COMP_C, TKEEP_FIXED_C, TKEEP_COUNT_C)
AxiStreamConfigType
AxiStreamConfigArray	array (natural range<>) of AxiStreamConfigType
AxiStreamConfigVectorArray	array (natural range<>, natural range<>) of AxiStreamConfigType
AxiStreamCtrlType		----------------------------------------------------------------------------------------------- Special control backpressure interface for use with stream fifos -----------------------------------------------------------------------------------------------
AxiStreamCtrlArray	array (natural range<>) of AxiStreamCtrlType
AxiStreamCtrlVectorArray	array (natural range<>, natural range<>) of AxiStreamCtrlType
AxiStreamDualCtrlArray	array (natural range <>) of AxiStreamCtrlArray(1 downto 0)
AxiStreamQuadCtrlArray	array (natural range <>) of AxiStreamCtrlArray(3 downto 0)
AxiStreamOctalCtrlArray	array (natural range <>) of AxiStreamCtrlArray(7 downto 0)

Functions

• axiStreamMasterInit (constant config : AxiStreamConfigType) return AxiStreamMasterType

• getSlvSize (c : AxiStreamConfigType) return integer

• toSlv (din : AxiStreamMasterType;
  c : AxiStreamConfigType) return slv

• toAxiStreamMaster (din : slv;
  valid : sl;
  c : AxiStreamConfigType) return AxiStreamMasterType

• axiStreamPacked ( constant CONFIG_C : AxiStreamConfigType;
  axisMaster : AxiStreamMasterType) return boolean

• axiStreamGetUserPos ( axisConfig : AxiStreamConfigType;
  axisMaster : AxiStreamMasterType;
  bytePos : integer := -1) return integer

• axiStreamGetUserField ( axisConfig : AxiStreamConfigType;
  axisMaster : AxiStreamMasterType;
  bytePos : integer := -1) return slv

• axiStreamGetUserBit ( axisConfig : AxiStreamConfigType;
  axisMaster : AxiStreamMasterType;
  bitPos : integer;
  bytePos : integer := -1) return sl

• axiStreamSetUserField ( axisConfig : in AxiStreamConfigType;
  axisMaster : inout AxiStreamMasterType;
  fieldValue : in slv;
  bytePos : in integer := -1) return ()

• axiStreamSetUserBit ( axisConfig : in AxiStreamConfigType;
  axisMaster : inout AxiStreamMasterType;
  bitPos : in integer;
  bitValue : in sl;
  bytePos : in integer := -1) return ()

• ite (i : boolean;
  t : AxiStreamConfigType;
  e : AxiStreamConfigType) return AxiStreamConfigType

• ite (i : boolean;
  t : AxiStreamMasterType;
  e : AxiStreamMasterType) return AxiStreamMasterType

• ite (i : boolean;
  t : AxiStreamSlaveType;
  e : AxiStreamSlaveType) return AxiStreamSlaveType

• ite (i : boolean;
  t : AxiStreamCtrlType;
  e : AxiStreamCtrlType) return AxiStreamCtrlType

• ite (i : boolean;
  t : TUserModeType;
  e : TUserModeType) return TUserModeType

• ite (i : boolean;
  t : TKeepModeType;
  e : TKeepModeType) return TKeepModeType

• genTKeep (bytes : natural range 0 to AXI_STREAM_MAX_TKEEP_WIDTH_C) return slv

• genTKeep (constant config : AxiStreamConfigType) return slv

• getTKeep (tKeep : slv;
  axisConfig : AxiStreamConfigType) return natural