Files
picar/MotorControl/gpiozero/motor_session.py
2019-08-11 20:31:16 +09:30

41 lines
1.1 KiB
Python

import os
from gpiozero import Servo
GPIOZERO_PIN_FACTORY = "piggpio"
class Motor:
def __init__(self, motor_pin=19):
os.environ["GPIOZERO_PIN_FACTORY"] = GPIOZERO_PIN_FACTORY
os.system("sudo pigpiod")
self.set_motor_pin(motor_pin)
self.initialise_motor()
def initialise_motor(self):
if self._motor_pin is None:
print("Motor pin number is not set.")
return
self._servo = Servo(self._motor_pin)
def set_throttle(self, throttle):
try:
if throttle < -1 or throttle > 1:
print("Not setting throttle, invalid value set.")
return False
self._servo.value = throttle
except TypeError:
print("throttle should be a number, preferably a float.")
return False
return True
def set_motor_pin(self, value):
if isinstance(value, int):
if value < 2 or value > 21:
print("Invalid GPIO pin")
return False
self._motor_pin = value
return True
else:
print("Value must be an int.")
return False