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我的树莓派上有一个用 Python 编写的程序,用于控制 2 个电机。这是一些代码:

def fullLeft() :
    speed1 = motor1Speed
    speed2 = motor2Speed
    setMotor1Speed(100)
    setMotor2Speed(-100)
    while io.input(forward1Control) and io.input(backward2Control) :
            print( "%d : %d" %(motor1Speed,motor2Speed))
    stop()
    setMotor1Speed(speed1)
    setMotor2Speed(speed2)
    print("Left Done")

def fullRight() :
    speed1 = motor1Speed
    speed2 = motor2Speed
    setMotor1Speed(-100)
    setMotor2Speed(100)
    while io.input(forward2Control) and io.input(backward1Control) :
            print( "%d : %d" %(motor1Speed,motor2Speed))
    stop()
    setMotor1Speed(speed1)
    setMotor2Speed(speed2)
    print("Right  Done")

def stop () :
    io.output(forward1Out,False)
    motor1Forward.stop()
    io.output(backward1Out, False)
    motor1Backward.stop()
    io.output(forward2Out, False)
    motor2Forward.stop()
    io.output(backward2Out, False)
    motor2Backward.stop()
    global motor1Speed
    motor1Speed = 0
    global motor2Speed
    motor2Speed = 0

stop()在我介绍该方法的功能之前,一切都运行良好fullRight()。问题是它fullLeft()工作得很好,但是在fullRight()函数的第二个 while 循环之后,我有错误Segmentation Fault并且程序崩溃了。我不知道该怎么做,为什么会这样。谁能帮我弄清楚问题是什么...

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