// +----------------------------------------------------------------------------
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/* --------------------------------------------------------------------------------
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// Universidade Federal da Bahia
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This file is part of FPGA Median Filter.
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//------------------------------------------------------------------------------
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// PROJECT: FPGA Median Filter
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FPGA Median Filter is free software: you can redistribute it and/or modify
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//------------------------------------------------------------------------------
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it under the terms of the GNU General Public License as published by
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// FILE NAME : pixel_network.v
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the Free Software Foundation, either version 3 of the License, or
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// AUTHOR : João Carlos Bittencourt
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(at your option) any later version.
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// AUTHOR'S E-MAIL : joaocarlos@ieee.org
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// -----------------------------------------------------------------------------
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FPGA Median Filter is distributed in the hope that it will be useful,
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// RELEASE HISTORY
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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// VERSION DATE AUTHOR DESCRIPTION
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// 1.0 2013-08-13 joao.nunes initial version
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GNU General Public License for more details.
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// -----------------------------------------------------------------------------
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// KEYWORDS: comparator, low, hight, median
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You should have received a copy of the GNU General Public License
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// -----------------------------------------------------------------------------
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along with FPGA Median Filter. If not, see <http://www.gnu.org/licenses/>.
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// PURPOSE: Obtain the Median of a 3x3 mask.
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-------------------------------------------------------------------------------- */
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// -----------------------------------------------------------------------------
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/* +----------------------------------------------------------------------------
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Universidade Federal da Bahia
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------------------------------------------------------------------------------
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PROJECT: FPGA Median Filter
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------------------------------------------------------------------------------
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FILE NAME : pixel_network.v
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AUTHOR : João Carlos Bittencourt
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AUTHOR'S E-MAIL : joaocarlos@ieee.org
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-----------------------------------------------------------------------------
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RELEASE HISTORY
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VERSION DATE AUTHOR DESCRIPTION
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1.0 2013-08-13 joao.nunes initial version
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-----------------------------------------------------------------------------
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KEYWORDS: comparator, low, hight, median
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-----------------------------------------------------------------------------
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PURPOSE: Obtain the Median of a 3x3 mask.
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----------------------------------------------------------------------------- */
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module pixel_network
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module pixel_network
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#(
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#(
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parameter DATA_WIDTH = 8
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parameter DATA_WIDTH = 8
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)(
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)(
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input [DATA_WIDTH-1:0] c3h,
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input [DATA_WIDTH-1:0] c3h,
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input [DATA_WIDTH-1:0] c3m,
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input [DATA_WIDTH-1:0] c3m,
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input [DATA_WIDTH-1:0] c3l,
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input [DATA_WIDTH-1:0] c3l,
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input [DATA_WIDTH-1:0] c2h,
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input [DATA_WIDTH-1:0] c2h,
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input [DATA_WIDTH-1:0] c2m,
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input [DATA_WIDTH-1:0] c2m,
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input [DATA_WIDTH-1:0] c2l,
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input [DATA_WIDTH-1:0] c2l,
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input [DATA_WIDTH-1:0] c1h,
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input [DATA_WIDTH-1:0] c1h,
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input [DATA_WIDTH-1:0] c1m,
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input [DATA_WIDTH-1:0] c1m,
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input [DATA_WIDTH-1:0] c1l,
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input [DATA_WIDTH-1:0] c1l,
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output [DATA_WIDTH-1:0] median
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output [DATA_WIDTH-1:0] median
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);
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);
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wire [DATA_WIDTH-1:0] node_u0_lo;
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wire [DATA_WIDTH-1:0] node_u0_lo;
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wire [DATA_WIDTH-1:0] node_u1_hi;
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wire [DATA_WIDTH-1:0] node_u1_hi;
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wire [DATA_WIDTH-1:0] node_u1_lo;
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wire [DATA_WIDTH-1:0] node_u1_lo;
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wire [DATA_WIDTH-1:0] node_u2_hi;
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wire [DATA_WIDTH-1:0] node_u2_hi;
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wire [DATA_WIDTH-1:0] node_u3_lo;
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wire [DATA_WIDTH-1:0] node_u3_lo;
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wire [DATA_WIDTH-1:0] node_u4_hi;
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wire [DATA_WIDTH-1:0] node_u4_hi;
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wire [DATA_WIDTH-1:0] node_u5_hi;
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wire [DATA_WIDTH-1:0] node_u5_hi;
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wire [DATA_WIDTH-1:0] node_u6_lo;
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wire [DATA_WIDTH-1:0] node_u6_lo;
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wire [DATA_WIDTH-1:0] node_u7_hi;
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wire [DATA_WIDTH-1:0] node_u7_hi;
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wire [DATA_WIDTH-1:0] node_u7_lo;
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wire [DATA_WIDTH-1:0] node_u7_lo;
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wire [DATA_WIDTH-1:0] node_u8_hi;
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wire [DATA_WIDTH-1:0] node_u8_hi;
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node
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node
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#(
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#(
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.DATA_WIDTH(DATA_WIDTH),
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.DATA_WIDTH(DATA_WIDTH),
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.LOW_MUX(1), // disable low output
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.LOW_MUX(1), // disable low output
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.HI_MUX(0) // disable hight output
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.HI_MUX(0) // disable hight output
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) node_u0 (
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) node_u0 (
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.data_a(c3h),
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.data_a(c3h),
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.data_b(c2h),
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.data_b(c2h),
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// .data_hi(),
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// .data_hi(),
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.data_lo(node_u0_lo)
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.data_lo(node_u0_lo)
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);
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);
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node
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node
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#(
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#(
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.DATA_WIDTH(DATA_WIDTH),
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.DATA_WIDTH(DATA_WIDTH),
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.LOW_MUX(1), // disable low output
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.LOW_MUX(1), // disable low output
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.HI_MUX(1) // disable hight output
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.HI_MUX(1) // disable hight output
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) node_u1 (
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) node_u1 (
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.data_a(c3m),
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.data_a(c3m),
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.data_b(c2m),
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.data_b(c2m),
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.data_hi(node_u1_hi),
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.data_hi(node_u1_hi),
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.data_lo(node_u1_lo)
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.data_lo(node_u1_lo)
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);
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);
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node
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node
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#(
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#(
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.DATA_WIDTH(DATA_WIDTH),
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.DATA_WIDTH(DATA_WIDTH),
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.LOW_MUX(0), // disable low output
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.LOW_MUX(0), // disable low output
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.HI_MUX(1) // disable hight output
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.HI_MUX(1) // disable hight output
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) node_u2 (
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) node_u2 (
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.data_a(c2l),
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.data_a(c2l),
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.data_b(c1l),
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.data_b(c1l),
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.data_hi(node_u2_hi)
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.data_hi(node_u2_hi)
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// .data_lo()
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// .data_lo()
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);
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);
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node
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node
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#(
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#(
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.DATA_WIDTH(DATA_WIDTH),
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.DATA_WIDTH(DATA_WIDTH),
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.LOW_MUX(1), // disable low output
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.LOW_MUX(1), // disable low output
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.HI_MUX(0) // disable hight output
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.HI_MUX(0) // disable hight output
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) node_u3 (
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) node_u3 (
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.data_a(node_u0_lo),
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.data_a(node_u0_lo),
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.data_b(c1h),
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.data_b(c1h),
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// .data_hi(),
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// .data_hi(),
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.data_lo(node_u3_lo)
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.data_lo(node_u3_lo)
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);
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);
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node
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node
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#(
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#(
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.DATA_WIDTH(DATA_WIDTH),
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.DATA_WIDTH(DATA_WIDTH),
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.LOW_MUX(0), // disable low output
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.LOW_MUX(0), // disable low output
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.HI_MUX(1) // disable hight output
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.HI_MUX(1) // disable hight output
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) node_u4 (
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) node_u4 (
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.data_a(node_u1_lo),
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.data_a(node_u1_lo),
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.data_b(c1m),
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.data_b(c1m),
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.data_hi(node_u4_hi)
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.data_hi(node_u4_hi)
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// .data_lo()
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// .data_lo()
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);
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);
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node
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node
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#(
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#(
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.DATA_WIDTH(DATA_WIDTH),
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.DATA_WIDTH(DATA_WIDTH),
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.LOW_MUX(0), // disable low output
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.LOW_MUX(0), // disable low output
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.HI_MUX(1) // disable hight output
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.HI_MUX(1) // disable hight output
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) node_u5 (
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) node_u5 (
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.data_a(c3l),
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.data_a(c3l),
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.data_b(node_u2_hi),
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.data_b(node_u2_hi),
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.data_hi(node_u5_hi)
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.data_hi(node_u5_hi)
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// .data_lo()
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// .data_lo()
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);
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);
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node
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node
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#(
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#(
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.DATA_WIDTH(DATA_WIDTH),
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.DATA_WIDTH(DATA_WIDTH),
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.LOW_MUX(1), // disable low output
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.LOW_MUX(1), // disable low output
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.HI_MUX(0) // disable hight output
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.HI_MUX(0) // disable hight output
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) node_u6 (
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) node_u6 (
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.data_a(node_u1_hi),
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.data_a(node_u1_hi),
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.data_b(node_u4_hi),
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.data_b(node_u4_hi),
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// .data_hi(),
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// .data_hi(),
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.data_lo(node_u6_lo)
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.data_lo(node_u6_lo)
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);
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);
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node
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node
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#(
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#(
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.DATA_WIDTH(DATA_WIDTH),
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.DATA_WIDTH(DATA_WIDTH),
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.LOW_MUX(1), // disable low output
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.LOW_MUX(1), // disable low output
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.HI_MUX(1) // disable hight output
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.HI_MUX(1) // disable hight output
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) node_u7 (
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) node_u7 (
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.data_a(node_u3_lo),
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.data_a(node_u3_lo),
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.data_b(node_u6_lo),
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.data_b(node_u6_lo),
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.data_hi(node_u7_hi),
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.data_hi(node_u7_hi),
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.data_lo(node_u7_lo)
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.data_lo(node_u7_lo)
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);
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);
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node
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node
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#(
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#(
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.DATA_WIDTH(DATA_WIDTH),
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.DATA_WIDTH(DATA_WIDTH),
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.LOW_MUX(0), // disable low output
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.LOW_MUX(0), // disable low output
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.HI_MUX(1) // disable hight output
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.HI_MUX(1) // disable hight output
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) node_u8 (
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) node_u8 (
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.data_a(node_u7_lo),
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.data_a(node_u7_lo),
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.data_b(node_u5_hi),
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.data_b(node_u5_hi),
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.data_hi(node_u8_hi)
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.data_hi(node_u8_hi)
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// .data_lo()
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// .data_lo()
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);
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);
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node
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node
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#(
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#(
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.DATA_WIDTH(DATA_WIDTH),
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.DATA_WIDTH(DATA_WIDTH),
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.LOW_MUX(1), // disable low output
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.LOW_MUX(1), // disable low output
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.HI_MUX(0) // disable hight output
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.HI_MUX(0) // disable hight output
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) node_u9 (
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) node_u9 (
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.data_a(node_u7_hi),
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.data_a(node_u7_hi),
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.data_b(node_u8_hi),
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.data_b(node_u8_hi),
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// .data_hi(),
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// .data_hi(),
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.data_lo(median)
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.data_lo(median)
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);
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);
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