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[/] [qaz_libs/] [trunk/] [basal/] [sim/] [tests/] [tb_pcie_scrambler/] [pcie_scrambler_testbench.v] - Blame information for rev 34

Line No.	Rev	Author	Line
1	34	qaztronic	`// --------------------------------------------------------------------`
2			`//`
3			`// --------------------------------------------------------------------`
4
5			`timescale 10ps/1ps
6
7
8			`module`
9			`pcie_scrambler_testbench ();`
10
11			`// --------------------------------------------------------------------`
12			`reg clock = 0;`
13
14			`always`
15			`#(20) clock <= ~clock;`
16
17
18			`// --------------------------------------------------------------------`
19			`reg reset = 1;`
20
21			`initial`
22			`begin`
23			`reset <= 1'b1;`
24
25			`repeat(3)`
26			`@(posedge clock);`
27
28			`reset <= 1'b0;`
29			`end`
30
31
32			`// --------------------------------------------------------------------`
33			`wire [7:0] data_out;`
34
35			`pcie_scrambler i_pcie_scrambler`
36			`(`
37			`.data_in( 0 ),`
38			`.scram_en( 1'b1 ),`
39			`.scram_rst( reset ),`
40			`.data_out(data_out),`
41			`.rst( reset ),`
42			`.clk( clock )`
43			`);`
44
45
46			`// --------------------------------------------------------------------`
47			`integer i = 0;`
48			`integer fh;`
49
50			`initial`
51			`begin`
52			`fh = $fopen( "pcie_scrambler_0_in.csv" );`
53			`$fdisplay( fh, "count, data_out" );`
54			`end`
55
56			`always @( posedge clock )`
57			`begin`
58
59			`if( ~reset )`
60			`begin`
61			`$display( "-#- %16.t \| 0x%2x", $time, data_out );`
62
63			$fdisplay( fh, "%d,`%2x", i, data_out );
64
65			`i = i + 1;`
66			`end`
67
68			`end`
69
70
71			`endmodule`
72