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error correction in gpio class

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This commit is contained in:
Thomas Klaehn 2016-03-21 09:45:52 +01:00 committed by Thomas Klaehn
parent 93a7bc1792
commit 2e5e98dfe1
1 changed files with 18 additions and 11 deletions
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29
gpio.py
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@ -1,22 +1,29 @@
from os.path import islink, isfile
class gpio:
def __init__(self, pin):
self.pin = pin
def export(self):
f = open("/sys/class/gpio/export", "w")
f.write(str(self.pin))
if not islink("/sys/class/gpio/gpio" + str(self.pin)):
f = open("/sys/class/gpio/export", "w")
f.write(str(self.pin))
def unexport(self):
f = open("/sys/class/gpio/unexport", "w")
f.write(str(self.pin))
if islink("/sys/class/gpio/gpio" + str(self.pin)):
f = open("/sys/class/gpio/unexport", "w")
f.write(str(self.pin))
def direction(self, direction = "out"):
f = open("/sys/class/gpio/gpio" + str(self.pin) + \
"/direction", "w")
f.write(direction)
if isfile("/sys/class/gpio/gpio" + str(self.pin) + \
"/direction"):
f = open("/sys/class/gpio/gpio" + str(self.pin) + \
"/direction", "w")
f.write(direction)
def set(self, value = 0):
f = open("/sys/class/gpio/gpio" + str(self.pin) + \
"/value", "w")
f.write(str(value))
if isfile("/sys/class/gpio/gpio" + str(self.pin) + \
"/value"):
f = open("/sys/class/gpio/gpio" + str(self.pin) + \
"/value", "w")
f.write(str(value))