pi_pwm.py 文件源码

def setupPins(self):
        """ Set Raspberry Pi GPIO pins to the right mode.
        """
        GPIO.setmode(GPIO.BCM)
        GPIO.setup(self.enapin, GPIO.OUT)
        GPIO.setup(self.enbpin, GPIO.OUT)
        GPIO.setup(self.inapin, GPIO.OUT)
        GPIO.setup(self.inbpin, GPIO.OUT)
        GPIO.setup(self.pwmpin, GPIO.OUT)
        GPIO.setup(self.fanpin, GPIO.OUT)
        GPIO.setup(self.diapin, GPIO.IN)
        GPIO.setup(self.dibpin, GPIO.IN)
        self.p = GPIO.PWM(self.pwmpin, self.freq)