Subversion Repositories lpffir

module lpffir_axis (

                    input               aclk_i,

                    input               aresetn_i,

                    // AXI-Stream RX interface

                    input               rx_tlast_i,

                    input               rx_tvalid_i,

                    output logic        rx_tready_o,

                    input [15:0]        rx_tdata_i,

                    // AXI-Stream TX interface

                    output logic        tx_tlast_o,

                    output reg          tx_tvalid_o,

                    input               tx_tready_i,

                    output logic [15:0] tx_tdata_o

                    );

   wire lpffir_en;

   assign                                lpffir_en = rx_tvalid_i && tx_tready_i;

   // AXI-Stream interface

   assign rx_tready_o = lpffir_en;

   assign tx_tvalid_o = lpffir_en;

   assign tx_tlast_o  = rx_tlast_i;

  // DEBUG

  always @(posedge aclk_i or negedge aresetn_i)

    if (aresetn_i)

      $display("DUT: rx_tdata_i %0d, tx_tdata_o %0d", rx_tdata_i, tx_tdata_o);

   // LPFFIR

   lpffir_core lpffir_core(

                           .clk_i(aclk_i),

                           .rstn_i(aresetn_i),

                           .en_i(lpffir_en),

                           .x_i(rx_tdata_i),

                           .y_o(tx_tdata_o)

                           );

endmodule