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iceman1001 2022-03-20 09:31:53 +01:00
commit bc46696dc4
27 changed files with 399 additions and 58 deletions
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17
fpga-xc2s30/clk_divider.v
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@ -1,10 +1,19 @@
//-----------------------------------------------------------------------------
// Copyright (C) 2014 iZsh <izsh at fail0verflow.com>
// Copyright (C) Proxmark3 contributors. See AUTHORS.md for details.
//
// This code is licensed to you under the terms of the GNU GPL, version 2 or,
// at your option, any later version. See the LICENSE.txt file for the text of
// the license.
// This program 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.
//
// This program 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.
//
// See LICENSE.txt for the text of the license.
//-----------------------------------------------------------------------------
module clk_divider(input clk, input [7:0] divisor, output [7:0] div_cnt, output div_clk);
reg [7:0] div_cnt_ = 0;

22
fpga-xc2s30/fpga_felica.v
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@ -1,4 +1,19 @@
//-----------------------------------------------------------------------------
// Copyright (C) Proxmark3 contributors. See AUTHORS.md for details.
//
// This program 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.
//
// This program 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.
//
// See LICENSE.txt for the text of the license.
//-----------------------------------------------------------------------------
//
// The FPGA is responsible for interfacing between the A/D, the coil drivers,
// and the ARM. In the low-frequency modes it passes the data straight
// through, so that the ARM gets raw A/D samples over the SSP. In the high-
@ -9,10 +24,9 @@
// could be improved.
//
// Jonathan Westhues, March 2006
// Added ISO14443-A support by Gerhard de Koning Gans, April 2008
// iZsh <izsh at fail0verflow.com>, June 2014
// Piwi, Feb 2019
//-----------------------------------------------------------------------------
//
// Added ISO14443-A support
//
// Defining commands, modes and options. This must be aligned to the definitions in fpgaloader.h

20
fpga-xc2s30/fpga_hf.v
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@ -1,4 +1,19 @@
//-----------------------------------------------------------------------------
// Copyright (C) Proxmark3 contributors. See AUTHORS.md for details.
//
// This program 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.
//
// This program 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.
//
// See LICENSE.txt for the text of the license.
//-----------------------------------------------------------------------------
//
// The FPGA is responsible for interfacing between the A/D, the coil drivers,
// and the ARM. In the low-frequency modes it passes the data straight
// through, so that the ARM gets raw A/D samples over the SSP. In the high-
@ -9,10 +24,9 @@
// could be improved.
//
// Jonathan Westhues, March 2006
// Added ISO14443-A support by Gerhard de Koning Gans, April 2008
// iZsh <izsh at fail0verflow.com>, June 2014
// Piwi, Feb 2019
//-----------------------------------------------------------------------------
// Added ISO14443-A support
//
// Defining commands, modes and options. This must be aligned to the definitions in fpgaloader.h

23
fpga-xc2s30/fpga_hf_15.v
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@ -1,17 +1,24 @@
//-----------------------------------------------------------------------------
// Copyright (C) Proxmark3 contributors. See AUTHORS.md for details.
//
// This program 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.
//
// This program 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.
//
// See LICENSE.txt for the text of the license.
//-----------------------------------------------------------------------------
//
// The FPGA is responsible for interfacing between the A/D, the coil drivers,
// and the ARM. In the low-frequency modes it passes the data straight
// through, so that the ARM gets raw A/D samples over the SSP. In the high-
// frequency modes, the FPGA might perform some demodulation first, to
// reduce the amount of data that we must send to the ARM.
//
// I am not really an FPGA/ASIC designer, so I am sure that a lot of this
// could be improved.
//
// Jonathan Westhues, March 2006
// Added ISO14443-A support by Gerhard de Koning Gans, April 2008
// iZsh <izsh at fail0verflow.com>, June 2014
// Piwi, Feb 2019
//-----------------------------------------------------------------------------

20
fpga-xc2s30/fpga_lf.v
View file

@ -1,9 +1,21 @@
//-----------------------------------------------------------------------------
// Jonathan Westhues, March 2006
// iZsh <izsh at fail0verflow.com>, June 2014
// Piwi, Feb 2019
// Anon, 2019
// Copyright (C) Proxmark3 contributors. See AUTHORS.md for details.
//
// This program 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.
//
// This program 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.
//
// See LICENSE.txt for the text of the license.
//-----------------------------------------------------------------------------
//
// Defining commands, modes and options. This must be aligned to the definitions in fpgaloader.h
// Note: the definitions here are without shifts

16
fpga-xc2s30/hi_flite.v
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@ -1,3 +1,19 @@
//-----------------------------------------------------------------------------
// Copyright (C) Proxmark3 contributors. See AUTHORS.md for details.
//
// This program 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.
//
// This program 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.
//
// See LICENSE.txt for the text of the license.
//-----------------------------------------------------------------------------
/*
This code demodulates and modulates signal as described in ISO/IEC 18092.
That includes packets used for Felica, NFC Tag 3, etc. (which do overlap)

13
fpga-xc2s30/hi_get_trace.v
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@ -1,6 +1,17 @@
//-----------------------------------------------------------------------------
// Copyright (C) Proxmark3 contributors. See AUTHORS.md for details.
//
// piwi, Feb 2019
// This program 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.
//
// This program 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.
//
// See LICENSE.txt for the text of the license.
//-----------------------------------------------------------------------------
module hi_get_trace(

17
fpga-xc2s30/hi_iso14443a.v
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@ -1,7 +1,20 @@
//-----------------------------------------------------------------------------
// Copyright (C) Proxmark3 contributors. See AUTHORS.md for details.
//
// This program 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.
//
// This program 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.
//
// See LICENSE.txt for the text of the license.
//-----------------------------------------------------------------------------
// ISO14443-A support for the Proxmark III
// Gerhard de Koning Gans, April 2008
//-----------------------------------------------------------------------------
//
module hi_iso14443a(
ck_1356meg,

13
fpga-xc2s30/hi_reader.v
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@ -1,6 +1,17 @@
//-----------------------------------------------------------------------------
// Copyright (C) Proxmark3 contributors. See AUTHORS.md for details.
//
// Jonathan Westhues, April 2006
// This program 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.
//
// This program 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.
//
// See LICENSE.txt for the text of the license.
//-----------------------------------------------------------------------------
module hi_reader(

16
fpga-xc2s30/hi_reader_15.v
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@ -1,8 +1,20 @@
//-----------------------------------------------------------------------------
// Copyright (C) Proxmark3 contributors. See AUTHORS.md for details.
//
// copied from hi_reader.v by Jonathan Westhues, April 2006
// modified to add support for iso15 2sc mode by lnv42, Feb 2022
// This program 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.
//
// This program 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.
//
// See LICENSE.txt for the text of the license.
//-----------------------------------------------------------------------------
// modified to add support for iso15 2sc mode
//
module hi_reader(
ck_1356meg,

15
fpga-xc2s30/hi_simulate.v
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@ -1,4 +1,19 @@
//-----------------------------------------------------------------------------
// Copyright (C) Proxmark3 contributors. See AUTHORS.md for details.
//
// This program 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.
//
// This program 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.
//
// See LICENSE.txt for the text of the license.
//-----------------------------------------------------------------------------
//
// Pretend to be an ISO 14443 tag. We will do this by alternately short-
// circuiting and open-circuiting the antenna coil, with the tri-state
// pins.

16
fpga-xc2s30/hi_sniffer.v
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@ -1,3 +1,19 @@
//-----------------------------------------------------------------------------
// Copyright (C) Proxmark3 contributors. See AUTHORS.md for details.
//
// This program 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.
//
// This program 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.
//
// See LICENSE.txt for the text of the license.
//-----------------------------------------------------------------------------
module hi_sniffer(
ck_1356meg,
pwr_lo, pwr_hi, pwr_oe1, pwr_oe2, pwr_oe3, pwr_oe4,

19
fpga-xc2s30/lf_edge_detect.v
View file

@ -1,10 +1,21 @@
//-----------------------------------------------------------------------------
// Copyright (C) 2014 iZsh <izsh at fail0verflow.com>
// Copyright (C) Proxmark3 contributors. See AUTHORS.md for details.
//
// This code is licensed to you under the terms of the GNU GPL, version 2 or,
// at your option, any later version. See the LICENSE.txt file for the text of
// the license.
// This program 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.
//
// This program 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.
//
// See LICENSE.txt for the text of the license.
//-----------------------------------------------------------------------------
// input clk is 24MHz
`include "min_max_tracker.v"

15
fpga-xc2s30/lo_adc.v
View file

@ -1,4 +1,19 @@
//-----------------------------------------------------------------------------
// Copyright (C) Proxmark3 contributors. See AUTHORS.md for details.
//
// This program 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.
//
// This program 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.
//
// See LICENSE.txt for the text of the license.
//-----------------------------------------------------------------------------
//
// The way that we connect things in low-frequency simulation mode. In this
// case just pass everything through to the ARM, which can bit-bang this
// (because it is so slow).

17
fpga-xc2s30/lo_edge_detect.v
View file

@ -1,9 +1,17 @@
//-----------------------------------------------------------------------------
// Copyright (C) 2014 iZsh <izsh at fail0verflow.com>
// Copyright (C) Proxmark3 contributors. See AUTHORS.md for details.
//
// This code is licensed to you under the terms of the GNU GPL, version 2 or,
// at your option, any later version. See the LICENSE.txt file for the text of
// the license.
// This program 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.
//
// This program 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.
//
// See LICENSE.txt for the text of the license.
//-----------------------------------------------------------------------------
//
// There are two modes:
@ -16,6 +24,7 @@
// Output:
// - ssp_frame (wired to TIOA1 on the arm) for the edge detection/state
// - ssp_clk: cross_lo
`include "lp20khz_1MSa_iir_filter.v"
`include "lf_edge_detect.v"

18
fpga-xc2s30/lo_passthru.v
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@ -1,8 +1,22 @@
//-----------------------------------------------------------------------------
// Copyright (C) Proxmark3 contributors. See AUTHORS.md for details.
//
// This program 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.
//
// This program 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.
//
// See LICENSE.txt for the text of the license.
//-----------------------------------------------------------------------------
//
// For reading TI tags, we need to place the FPGA in pass through mode
// and pass everything through to the ARM
//-----------------------------------------------------------------------------
// iZsh <izsh at fail0verflow.com>, June 2014
module lo_passthru(
input pck_divclk,

16
fpga-xc2s30/lo_read.v
View file

@ -1,10 +1,24 @@
//-----------------------------------------------------------------------------
// Copyright (C) Proxmark3 contributors. See AUTHORS.md for details.
//
// This program 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.
//
// This program 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.
//
// See LICENSE.txt for the text of the license.
//-----------------------------------------------------------------------------
//
// The way that we connect things in low-frequency read mode. In this case
// we are generating the unmodulated low frequency carrier.
// The A/D samples at that same rate and the result is serialized.
//
// Jonathan Westhues, April 2006
// iZsh <izsh at fail0verflow.com>, June 2014
//-----------------------------------------------------------------------------
module lo_read(

15
fpga-xc2s30/lo_simulate.v
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@ -1,4 +1,19 @@
//-----------------------------------------------------------------------------
// Copyright (C) Proxmark3 contributors. See AUTHORS.md for details.
//
// This program 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.
//
// This program 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.
//
// See LICENSE.txt for the text of the license.
//-----------------------------------------------------------------------------
//
// The way that we connect things in low-frequency simulation mode. In this
// case just pass everything through to the ARM, which can bit-bang this
// (because it is so slow).

18
fpga-xc2s30/lp20khz_1MSa_iir_filter.v
View file

@ -1,10 +1,19 @@
//-----------------------------------------------------------------------------
// Copyright (C) 2014 iZsh <izsh at fail0verflow.com>
// Copyright (C) Proxmark3 contributors. See AUTHORS.md for details.
//
// This code is licensed to you under the terms of the GNU GPL, version 2 or,
// at your option, any later version. See the LICENSE.txt file for the text of
// the license.
// This program 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.
//
// This program 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.
//
// See LICENSE.txt for the text of the license.
//-----------------------------------------------------------------------------
//
// Butterworth low pass IIR filter
// input: 8bit ADC signal, 1MS/s
// output: 8bit value, Fc=20khz
@ -26,6 +35,7 @@
//
// See details about its design see
// https://fail0verflow.com/blog/2014/proxmark3-fpga-iir-filter.html
module lp20khz_1MSa_iir_filter(input clk, input [7:0] adc_d, output rdy, output [7:0] out);
// clk is 24MHz, the IIR filter is designed for 1MS/s

18
fpga-xc2s30/min_max_tracker.v
View file

@ -1,10 +1,19 @@
//-----------------------------------------------------------------------------
// Copyright (C) 2014 iZsh <izsh at fail0verflow.com>
// Copyright (C) Proxmark3 contributors. See AUTHORS.md for details.
//
// This code is licensed to you under the terms of the GNU GPL, version 2 or,
// at your option, any later version. See the LICENSE.txt file for the text of
// the license.
// This program 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.
//
// This program 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.
//
// See LICENSE.txt for the text of the license.
//-----------------------------------------------------------------------------
//
// track min and max peak values (envelope follower)
//
// NB: the min value (resp. max value) is updated only when the next high peak
@ -13,6 +22,7 @@
// This also means the peaks are detected with an unpredictable delay.
// This algorithm therefore can't be used directly for realtime peak detections,
// but it can be used as a simple envelope follower.
module min_max_tracker(input clk, input [7:0] adc_d, input [7:0] threshold,
output [7:0] min, output [7:0] max);

16
fpga-xc2s30/testbed_fpga.v
View file

@ -1,3 +1,19 @@
//-----------------------------------------------------------------------------
// Copyright (C) Proxmark3 contributors. See AUTHORS.md for details.
//
// This program 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.
//
// This program 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.
//
// See LICENSE.txt for the text of the license.
//-----------------------------------------------------------------------------
`include "fpga.v"
module testbed_fpga;

16
fpga-xc2s30/testbed_hi_read_tx.v
View file

@ -1,3 +1,19 @@
//-----------------------------------------------------------------------------
// Copyright (C) Proxmark3 contributors. See AUTHORS.md for details.
//
// This program 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.
//
// This program 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.
//
// See LICENSE.txt for the text of the license.
//-----------------------------------------------------------------------------
`include "hi_read_tx.v"
/*

16
fpga-xc2s30/testbed_hi_simulate.v
View file

@ -1,3 +1,19 @@
//-----------------------------------------------------------------------------
// Copyright (C) Proxmark3 contributors. See AUTHORS.md for details.
//
// This program 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.
//
// This program 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.
//
// See LICENSE.txt for the text of the license.
//-----------------------------------------------------------------------------
`include "hi_simulate.v"
/*

16
fpga-xc2s30/testbed_lo_read.v
View file

@ -1,3 +1,19 @@
//-----------------------------------------------------------------------------
// Copyright (C) Proxmark3 contributors. See AUTHORS.md for details.
//
// This program 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.
//
// This program 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.
//
// See LICENSE.txt for the text of the license.
//-----------------------------------------------------------------------------
`include "lo_read.v"
/*
pck0 - input main 24MHz clock (PLL / 4)

16
fpga-xc2s30/testbed_lo_simulate.v
View file

@ -1,3 +1,19 @@
//-----------------------------------------------------------------------------
// Copyright (C) Proxmark3 contributors. See AUTHORS.md for details.
//
// This program 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.
//
// This program 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.
//
// See LICENSE.txt for the text of the license.
//-----------------------------------------------------------------------------
`include "lo_simulate.v"
/*

17
fpga-xc2s30/util.v
View file

@ -1,8 +1,21 @@
//-----------------------------------------------------------------------------
// Copyright (C) Proxmark3 contributors. See AUTHORS.md for details.
//
// This program 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.
//
// This program 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.
//
// See LICENSE.txt for the text of the license.
//-----------------------------------------------------------------------------
//
// General-purpose miscellany.
//
// Jonathan Westhues, April 2006.
//-----------------------------------------------------------------------------
module mux8(sel, y, x0, x1, x2, x3, x4, x5, x6, x7);
input [2:0] sel;