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[/] [mpmc8/] [trunk/] [rtl/] [mpmc10/] [mpmc10_resp_strip_cnt.sv] - Rev 5

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`timescale 1ns / 1ps
// ============================================================================
//        __
//   \\__/ o\    (C) 2015-2022  Robert Finch, Waterloo
//    \  __ /    All rights reserved.
//     \/_//     robfinch<remove>@finitron.ca
//       ||
//
// BSD 3-Clause License
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
//    list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
//    this list of conditions and the following disclaimer in the documentation
//    and/or other materials provided with the distribution.
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//    contributors may be used to endorse or promote products derived from
//    this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// ============================================================================
//
import mpmc10_pkg::*;

module mpmc10_resp_strip_cnt(clk, state, valid, num_strips, strip_cnt);
input clk;
input [3:0] state;
input valid;
input [5:0] num_strips;
output reg [5:0] strip_cnt;

reg on;
always_ff @(posedge clk)
if (state==IDLE) begin
        strip_cnt <= 6'd0;
        on <= 1'b0;
end
else begin
        if (state==READ_DATA0)
                on <= 1'b1;
        if (valid && on) begin
                if (strip_cnt != num_strips)
                strip_cnt <= strip_cnt + 3'd1;
        else
                on <= 1'b0;
  end
end

endmodule

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