class Pin:
def __init__(self, pin: int, direction: PinDirection, init=-1):
self._pin = pin
self._pulse_width = None
self._direction = direction
self._out = False
self._underlying = None
if init == -1:
init = None
if direction == PinDirection.IN:
self._underlying = Button(pin=pin,
pull_up=None,
active_state=True,
hold_time=0.25)
elif direction == PinDirection.OUT:
self._underlying = LED(pin=pin,
active_high=True,
initial_value=init)
elif direction == PinDirection.IN_PULL_LOW:
self._underlying = Button(pin=pin, pull_up=False)
elif direction == PinDirection.IN_PULL_UP:
self._underlying = Button(pin=pin, pull_up=True)
else:
raise Exception("Pin richtung ist falsch")
def turnOn(self):
self._underlying.on()
logging.getLogger("Launch").getChild("Tools.Pin").debug(
"turnON({})".format(self._pin))
def turnOff(self):
logging.getLogger("Launch").getChild("Tools.Pin").debug(
"turnOff({})".format(self._pin))
self._underlying.off()
def toggle(self):
logging.getLogger("Launch").getChild("Tools.Pin").debug(
"Pin {} ist jetzt {} und wird {}".format(self._pin, self.input(),
not self.input()))
self._underlying.toggle()
def set_pulse_width(self, delay):
self._pulse_width = delay
def pulse(self, delay_ms=250):
logging.getLogger("Launch").getChild("Tools.Pin").debug(
"pulse({}, {}ms)".format(self._pin, delay_ms))
self._underlying.blink(on_time=delay_ms / 1000,
off_time=delay_ms / 1000,
n=1,
background=False)
def input(self) -> bool:
if self._direction == PinDirection.OUT:
return self._underlying.value
return self._underlying.value
def output(self, val: bool):
self._out = val
if self._direction == PinDirection.OUT:
self._underlying.value = val
def get_direction(self):
return self._direction
def set_detect(self, callback, level: PinEventEdge):
if level == PinEventEdge.RISING:
self._underlying.when_pressed = callback
elif level == PinEventEdge.FALLING:
self._underlying.when_released = callback
elif level == PinEventEdge.BOTH:
self._underlying.when_released = callback
self._underlying.when_pressed = callback
import RPi.GPIO as GPIO
import time
from gpiozero import LED, Button
led1 = Button(21)
for i in range(200):
print("a")
led1.on()
time.sleep(.20)
print("b")
led1.off()
time.sleep(.20)
