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37 lines
1.3 KiB
Python
37 lines
1.3 KiB
Python
##
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## This file is part of the libsigrokdecode project.
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##
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## Copyright (C) 2014 Johannes Roemer <jroemer@physik.uni-wuerzburg.de>
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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 handles the proprietary single wire communication protocol used
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by the Aosong AM230x/DHTxx/RHTxx series of digital humidity and temperature
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sensors.
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Sample rate:
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A sample rate of at least 200kHz is recommended to properly detect all the
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elements of the protocol.
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Options:
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The AM230x and DHTxx/RHTxx digital humidity and temperature sensors use the
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same single-wire protocol with different encoding of the measured values.
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Therefore the option 'device' must be used to properly decode the
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communication of the respective sensor.
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'''
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from .pd import Decoder
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