Add a trivial "counter" decoder

[libsigrokdecode.git] / decoders / counter / __init__.py

##
## This file is part of the libsigrokdecode project.
##
## Copyright (C) 2018 Stefan Brüns <stefan.bruens@rwth-aachen.de>
##
## 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 2 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.
##
## You should have received a copy of the GNU General Public License
## along with this program; if not, see <http://www.gnu.org/licenses/>.
##

'''
This PD is a simple counter.

It can count rising and/or falling edges, provides an optional reset
signal. It can also divide the count to e.g. count the numger of
fixed length words (where a word corresponds to e.g. 9 clock edges).
'''

from .pd import Decoder