github/RRG-Proxmark3
1
0
Fork 0
mirror of https://github.com/RfidResearchGroup/proxmark3.git synced 2025-08-14 18:48:13 -07:00
Code Issues Projects Releases Packages Wiki Activity Actions

unify license text

Browse source
This commit is contained in:
iceman1001 2022-03-20 09:31:53 +01:00
commit bc46696dc4
27 changed files with 399 additions and 58 deletions
Download patch file Download diff file Expand all files Collapse all files

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);