rccar.py 文件源码

def __init__(self, left_p=13, right_p=15, forward_p=12, backward_p=11,
                 apply_time=0.3, wait_time=0):
        self.left_p = left_p
        self.right_p = right_p
        self.forward_p = forward_p
        self.backward_p = backward_p
        self.apply_time = apply_time
        self.wait_time = wait_time

        print("Setting up GPIO pins.")
        GPIO.setmode(GPIO.BOARD)
        GPIO.setup(self.backward_p, GPIO.OUT)  # Backwards.
        GPIO.setup(self.forward_p, GPIO.OUT)  # Forwards.
        GPIO.setup(self.left_p, GPIO.OUT)  # Left.
        GPIO.setup(self.right_p, GPIO.OUT)  # Right.

        # Reset in case they're still on from before.
        GPIO.output(self.backward_p, 0)
        GPIO.output(self.forward_p, 0)
        GPIO.output(self.left_p, 0)
        GPIO.output(self.right_p, 0)