class DigitalPiDevice:
"""
Digital modulated devices in combination with Raspberry Pi GPIO
Setup: https://gpiozero.readthedocs.io/en/stable/remote_gpio.html
"""
def __init__(self, PIN, BOARD_IP: str = None):
"""
:param BOARD_IP: IP adress of board connected to the Device
"""
if BOARD_IP is not None:
self._factory = PiGPIOFactory(host=BOARD_IP)
self._device = DigitalOutputDevice(PIN, pin_factory=self._factory)
else:
self._factory = None
self._device = DigitalOutputDevice(PIN)
self._running = False
def turn_on(self):
self._device.on()
self._running = True
def turn_off(self):
self._device.off()
self._running = False
def toggle(self):
self._device.toggle()
self._running = self._device.is_active
class Relay():
"Simple wrapper for a power relay"
def __init__(self, pin: int):
self.device = DigitalOutputDevice(pin)
@property
def value(self) -> bool:
return bool(self.device.value)
def set(self) -> None:
self.device.on()
def unset(self) -> None:
self.device.off()
def toggle(self) -> None:
self.device.toggle()
# direction = DigitalOutputDevice(27)
#
# speed_control = PWMOutputDevice(17, frequency=1000)
motor_enable = DigitalOutputDevice(13)
direction = DigitalOutputDevice(6)
speed_control = PWMOutputDevice(5, frequency=1000)
speed_control.value = 0.0
# speed = SmoothedInputDevice(18)
while True:
key = input()
if key == ' ':
motor_enable.toggle()
elif key == 'd':
direction.toggle()
elif key == 'f':
speed_control.value = min(1, speed_control.value + 0.1)
elif key == 's':
speed_control.value = max(0, speed_control.value - 0.1)
else:
print(f"unknown key {key}")
print(
f"Enabled: {motor_enable.is_active}, Forward: {direction.is_active}, Speed Set: {speed_control.value}"
)
from gpiozero.pins.native import NativeFactory
from gpiozero import Device, DigitalOutputDevice
from time import sleep
Device.pin_factory = NativeFactory()
relay = DigitalOutputDevice(5)
while True:
relay.toggle()
sleep(1)
