cardboard_cruiser.py

cardboard_cruiser.py

import time
import logging
import threading
import atexit
from adafruit_crickit import crickit

format = "%(asctime)s: %(message)s"
logging.basicConfig(format=format, level=logging.INFO, datefmt="%H:%M:%S")

# make two variables for the motors to make code shorter to type
motor_1 = crickit.dc_motor_1
motor_2 = crickit.dc_motor_2


motor_1_throttle_speed = 0.75
motor_2_throttle_speed = motor_1_throttle_speed

def motor_1_demo():
  while True:
    motor_1.throttle = motor_1_throttle_speed
    time.sleep(0.5)

def motor_2_demo():
  while True:
    motor_2.throttle = motor_2_throttle_speed
    time.sleep(0.5)

def shutdown_motors():
  logging.info("Shutting down motor_1")
  motor_1.throttle = 0
  logging.info("Shutting down motor_2")
  motor_2.throttle = 0

atexit.register(shutdown_motors)

if __name__ == "__main__":
  threads = list()

  logging.info("Main    : create and start motor_1_demo thread ")
  thread_1 = threading.Thread(target=motor_1_demo)
  threads.append(0)
  thread_1.start()

  logging.info("Main    : create and start motor_2_demo thread ")
  thread_2 = threading.Thread(target=motor_2_demo)
  threads.append(1)
  thread_2.start()