HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/PELLION/VHD_Lib Files · lib/lpp/lpp_usb/FX2_WithFIFO.vhd

Few fixes....

Few fixes. Whole LFR simulation WIP.

Alexis Jeandet - - Load All Authors

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      -- FX2_WithFIFO.vhd

      library IEEE;

      use IEEE.std_logic_1164.all;

      use IEEE.numeric_std.all;

      library lpp;

      use lpp.lpp_usb.all;

      use lpp.lpp_memory.all;

      use lpp.iir_filter.all;

      library techmap;

      use techmap.gencomp.all;

      entity FX2_WithFIFO is

      generic(

          tech          :   integer := 0;

          Mem_use       :   integer := use_RAM;

          Enable_ReUse  :   std_logic := '0';

          fifoCount     :   integer range 2 to 100 := 8;

          abits         :   integer range 2 to 12 := 8

          );

      port(

              clk         : in STD_LOGIC;

              if_clk      : out STD_LOGIC;

              reset       : in  std_logic;

              flagb       : in STD_LOGIC; 

              slwr        : out STD_LOGIC;

              slrd        : out std_logic;

              pktend      : out STD_LOGIC;

              sloe        : out STD_LOGIC;

              fdbusw      : out std_logic_vector (7 downto 0);

              fifoadr     : out std_logic_vector (1 downto 0);

              FULL        : out std_logic;

              wen         : in std_logic;

              Data        : in std_logic_vector(7 downto 0)

          ); 

      end FX2_WithFIFO;

      architecture Ar_FX2_WithFIFO of FX2_WithFIFO is

      type FX2State is (idle);

      Signal  USB_DATA  :   std_logic_vector(7 downto 0);

      Signal  FIFOfull      :   std_logic; 

      Signal  USBwe,USBfull     :   std_logic; 

      begin

      FULL    <=  FIFOfull;

      --FIFO:  lpp_fifo

      FIFO: FIFO_pipeline

      generic map(

          tech          => tech,

          Mem_use       => Mem_use,

          fifoCount     =>  fifoCount,

          DataSz        =>  8,

          abits         =>  abits

          )

      port map(

          rstn    =>   reset,

          ReUse   =>   '0',

          rclk    =>   clk,

          ren     =>   USBfull,

          rdata   =>   USB_DATA, 

          empty   =>   USBwe,

          raddr   =>   open,

          wclk    =>   clk,

          wen     =>   wen,

          wdata   =>   Data,

          full    =>   FIFOfull,

          waddr   =>   open

      );

      USB2: entity FX2_Driver

      port map(

              clk         => clk,

              if_clk      => if_clk,

              reset       => reset,

              flagb       => flagb,

              slwr        => slwr,

              slrd        => slrd,

              pktend      => pktend,

              sloe        => sloe,

              fdbusw      => fdbusw,

              fifoadr     => fifoadr,

              FULL        => USBfull,

              Write       => not USBwe,

              Data        => USB_DATA

          );

      end ar_FX2_WithFIFO;

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				-- FX2_WithFIFO.vhd
				library IEEE;
				use IEEE.std_logic_1164.all;
				use IEEE.numeric_std.all;

				library lpp;
				use lpp.lpp_usb.all;
				use lpp.lpp_memory.all;
				use lpp.iir_filter.all;
				library techmap;
				use techmap.gencomp.all;

				entity FX2_WithFIFO is
				generic(
				tech : integer := 0;
				Mem_use : integer := use_RAM;
				Enable_ReUse : std_logic := '0';
				fifoCount : integer range 2 to 100 := 8;
				abits : integer range 2 to 12 := 8
				);
				port(
				clk : in STD_LOGIC;
				if_clk : out STD_LOGIC;
				reset : in std_logic;
				flagb : in STD_LOGIC;
				slwr : out STD_LOGIC;
				slrd : out std_logic;
				pktend : out STD_LOGIC;
				sloe : out STD_LOGIC;
				fdbusw : out std_logic_vector (7 downto 0);
				fifoadr : out std_logic_vector (1 downto 0);

				FULL : out std_logic;
				wen : in std_logic;
				Data : in std_logic_vector(7 downto 0)
				);
				end FX2_WithFIFO;


				architecture Ar_FX2_WithFIFO of FX2_WithFIFO is

				type FX2State is (idle);

				Signal USB_DATA : std_logic_vector(7 downto 0);
				Signal FIFOfull : std_logic;
				Signal USBwe,USBfull : std_logic;

				begin

				FULL <= FIFOfull;

				--FIFO: lpp_fifo
				FIFO: FIFO_pipeline
				generic map(
				tech => tech,
				Mem_use => Mem_use,
				fifoCount => fifoCount,
				DataSz => 8,
				abits => abits
				)
				port map(
				rstn => reset,
				ReUse => '0',
				rclk => clk,
				ren => USBfull,
				rdata => USB_DATA,
				empty => USBwe,
				raddr => open,
				wclk => clk,
				wen => wen,
				wdata => Data,
				full => FIFOfull,
				waddr => open
				);

				USB2: entity FX2_Driver
				port map(
				clk => clk,
				if_clk => if_clk,
				reset => reset,
				flagb => flagb,
				slwr => slwr,
				slrd => slrd,
				pktend => pktend,
				sloe => sloe,
				fdbusw => fdbusw,
				fifoadr => fifoadr,
				FULL => USBfull,
				Write => not USBwe,
				Data => USB_DATA

				);

				end ar_FX2_WithFIFO;