/* --------------------------------------------------------------------------------
This file is part of FPGA Median Filter.
FPGA Median Filter is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
FPGA Median Filter is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with FPGA Median Filter. If not, see .
-------------------------------------------------------------------------------- */
// +----------------------------------------------------------------------------
// Universidade Federal da Bahia
//------------------------------------------------------------------------------
// PROJECT: FPGA Median Filter
//------------------------------------------------------------------------------
// FILE NAME : driver.sv
// AUTHOR : Laue Rami Souza Costa de Jesus
// -----------------------------------------------------------------------------
class driver;
// localparam MEMORY_WIDTH = 4331;
localparam NUM_PIXELS = (`IMG_WIDTH * `IMG_HEIGHT) - 1;//102400-1;
int cnt;
int addr;
int i;
logic [31:0] r_data_bram0;
logic [31:0] r_data_bram1;
logic [31:0] r_data_bram2;
logic [7:0] image [0:NUM_PIXELS];
virtual interface dut_if dut_if;
function new (virtual interface dut_if m_dut_if);
begin
dut_if = m_dut_if;
end
endfunction
task init();
begin
$display("RESET --------");
dut_if.rst_n = 1;
dut_if.start = 0;
dut_if.ch_word0 = 0;
dut_if.ch_word1 = 0;
dut_if.ch_word2 = 0;
addr = 0;
i = 0;
dut_if.end_of_operation = 0;
repeat(5)@(negedge dut_if.clk);
dut_if.rst_n = 0;
repeat(5)@(negedge dut_if.clk);
dut_if.rst_n = 1;
dut_if.start = 1;
repeat(3)@(negedge dut_if.clk);
end
endtask
task reorganize_lines();
begin
wait(dut_if.start);
@(negedge dut_if.clk);
while(!(dut_if.end_of_operation))begin
if(dut_if.window_line_counter == 2'b00)begin
dut_if.ch_word0 = dut_if.word0;
dut_if.ch_word1 = dut_if.word1;
dut_if.ch_word2 = dut_if.word2;
end
else if(dut_if.window_line_counter == 2'b01)begin
dut_if.ch_word0 = dut_if.word1;
dut_if.ch_word1 = dut_if.word2;
dut_if.ch_word2 = dut_if.word0;
end
else if(dut_if.window_line_counter == 2'b10)begin
dut_if.ch_word0 = dut_if.word2;
dut_if.ch_word1 = dut_if.word0;
dut_if.ch_word2 = dut_if.word1;
end
//addr = addr+1;
//read 4 pixels from all memories
@(negedge dut_if.clk);
end
dut_if.start = 0;
end
endtask
task receive_data();
fork begin
while(i
