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//////////////////////////////////////////////////////////////////////

module

  axis_to_riffa_tx

  #(

    N // RIFFA data bus width in bytes

  )

  (

    axis_if       axis_in,

    riffa_chnl_if chnl_bus,

    input [31:0]  tx_len,

    input [30:0]  tx_off,

    input         tx_ready,

    input         tx_last,

    input         clk,

    input         reset

  );

  // --------------------------------------------------------------------

  //

  localparam RW = (N/4); // width of the RIFFA bus in 32 bit words

  // --------------------------------------------------------------------

  //

  wire acked;

  wire [30:0] tx_index;

  // wire tx_done = (tx_index >= tx_len - RW) & tx_ready;

  wire tx_done = (tx_index >= tx_len - RW);

  riffa_chn_tx #(.N(N))

    riffa_chn_tx_i(.*);

  // --------------------------------------------------------------------

  //

  assign axis_in.tready         = chnl_bus.tx_data_ren & acked;

  assign chnl_bus.tx_clk        = clk;

  assign chnl_bus.tx_reset      = reset;

  assign chnl_bus.tx_last       = tx_last;

  assign chnl_bus.tx_len        = tx_len;

  assign chnl_bus.tx_off        = tx_off;

  assign chnl_bus.tx_data_valid = axis_in.tvalid & acked;

  assign chnl_bus.tx_data       = axis_in.tdata;

// --------------------------------------------------------------------

//

endmodule