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32 lines
1.2 KiB
Python
32 lines
1.2 KiB
Python
##
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## This file is part of the libsigrokdecode project.
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##
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## Copyright (C) 2019-2020 Benjamin Vernoux <bvernoux@gmail.com>
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##
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## This program is free software; you can redistribute it and/or modify
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## it under the terms of the GNU General Public License as published by
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## the Free Software Foundation; either version 2 of the License, or
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## (at your option) any later version.
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##
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## This program is distributed in the hope that it will be useful,
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## but WITHOUT ANY WARRANTY; without even the implied warranty of
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## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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## GNU General Public License for more details.
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##
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## You should have received a copy of the GNU General Public License
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## along with this program; if not, see <http://www.gnu.org/licenses/>.
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##
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'''
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This decoder stacks on top of the SPI PD and decodes the st25r39xx High performance NFC universal device and EMVCo reader protocol (SPI mode).
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It has been successfully tested with the st25r3916, other chips of this family may or may not be fully supported but not been verified.
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Please note that the SPI interface uses clock polarity 0 and clock phase 1, which is not the default setting.
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Details:
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https://www.st.com/resource/en/datasheet/st25r3916.pdf
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'''
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from .pd import Decoder
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