def digitalWrite(gpio_pin, state):
""" Writes given digital pin low if state=0, high otherwise. """
assert (gpio_pin in GPIO), "*Invalid GPIO pin: '%s'" % gpio_pin
gpio_file = getGPIOStateFile(gpio_pin)
if not os.path.exists(gpio_file):
print "warning: digitalWrite() failed, pin '%s' not exported." % gpio_pin +\
" Did you call pinMode()?"
return
if (state):
sysfs.kernelFilenameIO(gpio_file, '1')
else:
sysfs.kernelFilenameIO(gpio_file, '0')
def digitalWrite(gpio_pin, state):
""" Writes given digital pin low if state=0, high otherwise. """
assert (gpio_pin in GPIO), "*Invalid GPIO pin: '%s'" % gpio_pin
gpio_file = getGPIOStateFile(gpio_pin)
if not os.path.exists(gpio_file):
print "warning: digitalWrite() failed, pin '%s' not exported." % gpio_pin +\
" Did you call pinMode()?"
return
if (state):
sysfs.kernelFilenameIO(gpio_file, '1')
else:
sysfs.kernelFilenameIO(gpio_file, '0')
def digitalRead(gpio_pin):
""" Returns input pin state as 1 or 0. """
assert (gpio_pin in GPIO), "*Invalid GPIO pin: '%s'" % gpio_pin
gpio_file = getGPIOStateFile(gpio_pin)
return int(sysfs.kernelFilenameIO(gpio_file))
def digitalRead(gpio_pin): """ Returns input pin state as 1 or 0. """ assert (gpio_pin in GPIO), "*Invalid GPIO pin: '%s'" % gpio_pin gpio_file = getGPIOStateFile(gpio_pin) return int(sysfs.kernelFilenameIO(gpio_file))