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# -*- coding: utf-8 -*-
#
# Raspberry Pi fake GPIO module for unit testing
#
# Copyright 2016 Michael Buesch <m@bues.ch>
#
# 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, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
from __future__ import division, absolute_import, print_function, unicode_literals
BCM = 11
LOW = 0
HIGH = 1
OUT = 0
IN = 1
PUD_OFF = 0 + 20
PUD_DOWN = 1 + 20
PUD_UP = 2 + 20
__nrChannels = 28
__state = [ LOW, ] * __nrChannels
__directions = [ set(), ] * __nrChannels
def setwarnings(enabled):
pass
def setmode(mode):
assert(mode == BCM)
def setup(channel, direction, pull_up_down=PUD_OFF, initial=None):
assert(pull_up_down in {PUD_OFF, PUD_DOWN, PUD_UP})
assert(initial in {None, LOW, HIGH})
assert(direction in {OUT, IN})
assert(channel >= 0 and channel < __nrChannels)
__directions[channel].add(direction)
if direction == OUT:
assert(pull_up_down == PUD_OFF)
if initial is not None:
__state[channel] = initial
else:
assert(initial == None)
def cleanup(channel = None):
pass
def output(channels, values):
assert(isinstance(channels, int) or\
isinstance(channels, list) or\
isinstance(channels, tuple))
if isinstance(channels, int):
channelsList = [ channels, ]
assert(isinstance(values, int))
else:
channelsList = channels
assert(isinstance(values, list) or\
isinstance(values, tuple))
assert(isinstance(values, int) or\
isinstance(values, list) or\
isinstance(values, tuple))
if isinstance(values, int):
valuesList = [ values, ]
assert(isinstance(channels, int))
else:
valuesList = values
assert(isinstance(channels, list) or\
isinstance(channels, tuple))
assert(len(channelsList) == len(valuesList))
for i, channel in enumerate(channelsList):
assert(isinstance(channel, int))
assert(isinstance(valuesList[i], int) or\
isinstance(valuesList[i], bool))
assert(channel >= 0 and channel < __nrChannels)
assert(OUT in __directions[channel])
__state[channel] = HIGH if valuesList[i] else LOW
def input(channel):
assert(isinstance(channel, int))
assert(channel >= 0 and channel < __nrChannels)
assert(IN in __directions[channel])
return __state[channel]
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