Python GPIO.setup方法代码示例

# 需要导入模块: from Adafruit_BBIO import GPIO [as 别名]
# 或者: from Adafruit_BBIO.GPIO import setup [as 别名]
def init(self, mode=IN, pull=None):
        """Initialize the Pin"""
        if mode is not None:
            if mode == self.IN:
                self._mode = self.IN
                GPIO.setup(self.id, GPIO.IN)
            elif mode == self.OUT:
                self._mode = self.OUT
                GPIO.setup(self.id, GPIO.OUT)
            else:
                raise RuntimeError("Invalid mode for pin: %s" % self.id)
        if pull is not None:
            if self._mode != self.IN:
                raise RuntimeError("Cannot set pull resistor on output")
            if pull == self.PULL_UP:
                GPIO.setup(self.id, GPIO.IN, pull_up_down=GPIO.PUD_UP)
            elif pull == self.PULL_DOWN:
                GPIO.setup(self.id, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
            else:
                raise RuntimeError("Invalid pull for pin: %s" % self.id) 

# 需要导入模块: from Adafruit_BBIO import GPIO [as 别名]
# 或者: from Adafruit_BBIO.GPIO import setup [as 别名]
def __init__(self, port, callback):
        self.port = port
        self.callback = callback

        GPIO.setup(self.port, GPIO.IN)

        print "DETECT EVENTS:", self.port

        # GPIO.RISING, GPIO.FALLING, GPIO.BOTH
        GPIO.remove_event_detect(self.port)
        GPIO.add_event_detect(self.port, GPIO.RISING, callback=self.check_rising, bouncetime=300)
        #GPIO.add_event_detect(self.port, GPIO.BOTH, callback=self.check_rising)
        #GPIO.add_event_detect(self.port, GPIO.FALLING, callback=self.check_falling)
        #GPIO.add_event_detect(self.port, GPIO.FALLING, self.check_falling) 

# 需要导入模块: from Adafruit_BBIO import GPIO [as 别名]
# 或者: from Adafruit_BBIO.GPIO import setup [as 别名]
def __init__(self, pin):
    self.pin = pin
    GPIO.setup(pin, GPIO.OUT) 

# 需要导入模块: from Adafruit_BBIO import GPIO [as 别名]
# 或者: from Adafruit_BBIO.GPIO import setup [as 别名]
def __init__(self, step_pin, dir_pin, fault_key, dac_channel, shiftreg_nr, name):
    """ Init """
    self.dac_channel = dac_channel    # Which channel on the dac is connected to this stepper
    self.step_pin = step_pin
    self.dir_pin = dir_pin
    self.fault_key = fault_key
    self.name = name
    self.enabled = False
    self.in_use = False
    self.steps_pr_mm = 1
    self.microsteps = 1.0
    self.microstepping = 0
    self.direction = 1
    self.current_disabled = False

    # Set up the Shift register
    ShiftRegister.make(8)
    self.shift_reg = ShiftRegister.registers[shiftreg_nr]

    # Set up the GPIO pins - we just have to initialize them so the PRU can flip them
    # terrible hack to cover a bug in Adafruit
    dir_name = "EHRPWM2A" if dir_pin == "GPIO0_22" else dir_pin

    try:
      GPIO.setup(dir_name, GPIO.OUT)
      GPIO.setup(step_pin, GPIO.OUT)
    except ValueError:
      logging.warning("*** Stepper {} Pin {} initialization failure:".format(self.name, dir_name))

    # Add a key code to the key listener
    # Steppers have an nFAULT pin, so callback on falling
    Key_pin(name, fault_key, Key_pin.FALLING, self.fault_callback) 

# 需要导入模块: from Adafruit_BBIO import GPIO [as 别名]
# 或者: from Adafruit_BBIO.GPIO import setup [as 别名]
def __init__(self, m0, m1, m2):
            GPIO.setup(m0, GPIO.OUT)
            GPIO.setup(m1, GPIO.OUT)
            GPIO.setup(m2, GPIO.OUT)
            self.m0 = m0
            self.m1 = m1
            self.m2 = m2 

# 需要导入模块: from Adafruit_BBIO import GPIO [as 别名]
# 或者: from Adafruit_BBIO.GPIO import setup [as 别名]
def __init__(self, bus=0, device=0, speed=1000000, pin_rst=def_pin_rst,
            pin_ce=0, pin_irq=def_pin_irq, pin_mode = def_pin_mode):
        self.pin_rst = pin_rst
        self.pin_ce = pin_ce
        self.pin_irq = pin_irq

        self.spi = SPIClass()
        self.spi.open(bus, device)
        if board == RASPBERRY:
            self.spi.max_speed_hz = speed
        else:
            self.spi.mode = 0
            self.spi.msh = speed

        if pin_mode is not None:
            GPIO.setmode(pin_mode)
        if pin_rst != 0:
            GPIO.setup(pin_rst, GPIO.OUT)
            GPIO.output(pin_rst, 1)
        GPIO.setup(pin_irq, GPIO.IN, pull_up_down=GPIO.PUD_UP)
        GPIO.add_event_detect(pin_irq, GPIO.FALLING,
                callback=self.irq_callback)
        if pin_ce != 0:
            GPIO.setup(pin_ce, GPIO.OUT)
            GPIO.output(pin_ce, 1)
        self.init() 

# 需要导入模块: from Adafruit_BBIO import GPIO [as 别名]
# 或者: from Adafruit_BBIO.GPIO import setup [as 别名]
def _set_digital_mode(self, pin, mode):
        GPIO.setup(pin.location, self.PIN_MODES[mode])