Python RPi.GPIO.output() Examples

The following are 30 code examples of RPi.GPIO.output(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module RPi.GPIO , or try the search function

Example #1

Source File: ic_tm1637.py From SAKS-SDK with GNU General Public License v2.0

6 votes

def set_byte(self, data):
        '''
        Set a byte
        :param data: data
        :return: void
        '''
        for i in range (0, 8):
            self.set_bit((data >> i) & 0x01)

        GPIO.output(self.__pins['clk'], not self.__real_true)
        self.bus_delay()

        GPIO.output(self.__pins['di'], self.__real_true)
        self.bus_delay()

        GPIO.output(self.__pins['clk'], self.__real_true)
        self.bus_delay()

Example #2

Source File: ultrasonic-distance.py From raspberrypi-examples with MIT License

6 votes

def getValue():
	GPIO.output(ptrig, 0)
	time.sleep(0.1)
	GPIO.output(ptrig, 1)
	time.sleep(0.00001)
	GPIO.output(ptrig, 0)
	
	
	while(0 == GPIO.input(pecho)):
		start = time.time()
	while(1 == GPIO.input(pecho)):
		end = time.time()
		

	delay = (end - start) * 1000 * 1000
	time.sleep(0.1)
	distance = (delay / 58.0)
	if 2 < distance < 400: # working interval
		print("distance: %0.1f cm" % distance)

Example #3

Source File: tm1637.py From raspberrypi-examples with MIT License

6 votes

def writeByte(self, data):
        for i in range(0, 8):
            IO.output(self.__Clkpin, IO.LOW)
            if(data & 0x01):
                IO.output(self.__Datapin, IO.HIGH)
            else:
                IO.output(self.__Datapin, IO.LOW)
            data = data >> 1
            IO.output(self.__Clkpin, IO.HIGH)

        # wait for ACK
        IO.output(self.__Clkpin, IO.LOW)
        IO.output(self.__Datapin, IO.HIGH)
        IO.output(self.__Clkpin, IO.HIGH)
        IO.setup(self.__Datapin, IO.IN)

        while(IO.input(self.__Datapin)):
            sleep(0.001)
            if(IO.input(self.__Datapin)):
                IO.setup(self.__Datapin, IO.OUT)
                IO.output(self.__Datapin, IO.LOW)
                IO.setup(self.__Datapin, IO.IN)
        IO.setup(self.__Datapin, IO.OUT)

Example #4

Source File: buzzer.py From SecPi with GNU General Public License v3.0

6 votes

def buzz(self, duration):
		logging.debug("Buzzer: Trying to make some noise")
		start_time = time.time()
		state = True
		while (time.time() - start_time) < duration:
			GPIO.output(self.gpio_pin, state)
			if state:
				state = False
				time.sleep(0.5)
			else:
				state = True
				time.sleep(0.05)
		
		state = False
		GPIO.output(self.gpio_pin, state)
		logging.debug("Buzzer: Finished making noise")

Example #5

Source File: drive.py From SDRC with GNU General Public License v3.0

6 votes

def __init__(self):
        GPIO.setmode(GPIO.BOARD)
        GPIO.setwarnings(False)

        GPIO.setup(self.MotorFront1, GPIO.OUT)
        GPIO.setup(self.MotorFront2, GPIO.OUT)
        GPIO.setup(self.MotorFront, GPIO.OUT)
        GPIO.output(self.MotorFront, 0)

        GPIO.setup(self.MotorBack1, GPIO.OUT)
        GPIO.setup(self.MotorBack2, GPIO.OUT)
        GPIO.setup(self.MotorBack, GPIO.OUT)
        GPIO.output(self.MotorBack, 0)
        self.BackPWM = GPIO.PWM(self.MotorBack,100)
        self.BackPWM.start(0)
        self.BackPWM.ChangeDutyCycle(0)
        
        self.direction = 0

Example #6

Source File: steppertest.py From rpi-film-capture with MIT License

6 votes

def pulsetest():
	dir=True
	for freq in [200, 400, 800, 1000]:
		halfpulse=.5/freq
#	for j in range(0,i):
		logging.debug("start")
		for i in range(0,1600):
			GPIO.output(pulse_pin, True)
			time.sleep(halfpulse)
			GPIO.output(pulse_pin, False)
			time.sleep(halfpulse)
		logging.debug("stop")
		dir=not dir
		GPIO.output(dir_pin, dir)
		time.sleep(.5)
#	logging.debug(i)

Example #7

Source File: control.py From rpi-film-capture with MIT License

6 votes

def __init__(self):
        GPIO.setmode(GPIO.BCM)
        GPIO.setup(self.dir_pin, GPIO.OUT)
        GPIO.setup(self.pulse_pin, GPIO.OUT)
        GPIO.setup(self.ms1_pin, GPIO.OUT)
        GPIO.setup(self.ms2_pin, GPIO.OUT)
        GPIO.setup(self.sleep_pin, GPIO.OUT)
        GPIO.setup(self.reset_pin, GPIO.OUT)
        dir=False
        GPIO.output(self.dir_pin, dir)
        GPIO.output(self.pulse_pin, False)
        GPIO.output(self.ms1_pin, True)
        GPIO.output(self.ms2_pin, False)
        GPIO.output(self.sleep_pin, False)
        GPIO.output(self.reset_pin, True)
        self.p1 = GPIO.PWM(self.pulse_pin, self.pulse_freq)

Example #8

Source File: hx711.py From hx711py with Apache License 2.0

6 votes

def power_down(self):
        # Wait for and get the Read Lock, incase another thread is already
        # driving the HX711 serial interface.
        self.readLock.acquire()

        # Cause a rising edge on HX711 Digital Serial Clock (PD_SCK).  We then
        # leave it held up and wait 100 us.  After 60us the HX711 should be
        # powered down.
        GPIO.output(self.PD_SCK, False)
        GPIO.output(self.PD_SCK, True)

        time.sleep(0.0001)

        # Release the Read Lock, now that we've finished driving the HX711
        # serial interface.
        self.readLock.release()

Example #9

Source File: hx711.py From hx711py with Apache License 2.0

6 votes

def power_up(self):
        # Wait for and get the Read Lock, incase another thread is already
        # driving the HX711 serial interface.
        self.readLock.acquire()

        # Lower the HX711 Digital Serial Clock (PD_SCK) line.
        GPIO.output(self.PD_SCK, False)

        # Wait 100 us for the HX711 to power back up.
        time.sleep(0.0001)

        # Release the Read Lock, now that we've finished driving the HX711
        # serial interface.
        self.readLock.release()

        # HX711 will now be defaulted to Channel A with gain of 128.  If this
        # isn't what client software has requested from us, take a sample and
        # throw it away, so that next sample from the HX711 will be from the
        # correct channel/gain.
        if self.get_gain() != 128:
            self.readRawBytes()

Example #10

Source File: mymodem.py From genmon with GNU General Public License v2.0

6 votes

def InitHardware(self):

        # NOTE: This function assumes the underlying hardware is the LTE Cat 1 Pi Hat
        # http://wiki.seeedstudio.com/LTE_Cat_1_Pi_HAT/

        try:
            self.power_pin = 29
            self.reset_pin = 31
            GPIO.setmode(GPIO.BOARD)
            GPIO.setwarnings(False)
            GPIO.setup(self.power_pin, GPIO.OUT) # Setup module power pin
            GPIO.setup(self.reset_pin, GPIO.OUT) # Setup module reset pin
            GPIO.output(self.power_pin, False)
            GPIO.output(self.reset_pin, False)

            return self.PowerUp()
        except Exception as e1:
            self.LogErrorLine("Error in LTEPiHat:InitHardware: " + str(e1))
            return False
    #------------------LTEPiHat::PowerDown-------------------------------------

Example #11

Source File: mymodem.py From genmon with GNU General Public License v2.0

6 votes

def EnableRTSCTS(self):

        try:
            process = Popen(['rpirtscts', 'on'], stdout=PIPE)
            output, _error = process.communicate()
            if _error == None:
                return True
            else:
                self.LogError("Error running rpirtscts in EnableRTSCTS: " + str(_error) )
                return False
        except Exception as e1:
            self.LogErrorLine("Error in EnableRTSCTS: " + str(e1))
            self.LogError("Output: " + str(output))
            self.LogError("Error: " + str(_error))
            return False

    #------------------LTEPiHat::DisableRTSCTS----------------------------------

Example #12

Source File: mymodem.py From genmon with GNU General Public License v2.0

6 votes

def DisableRTSCTS(self):

        try:
            process = Popen(['rpirtscts', 'off'], stdout=PIPE)
            output, _error = process.communicate()
            if _error == None:
                return True
            else:
                self.LogError("Error running rpirtscts in DisableRTSCTS: " + str(_error) )
                return False
        except Exception as e1:
            self.LogErrorLine("Error in DisableRTSCTS: " + str(e1))
            self.LogError("Output: " + str(output))
            self.LogError("Error: " + str(_error))
            return False

    #------------------LTEPiHat::Close------------------------------------------

Example #13

Source File: controller.py From ran-django-template with GNU General Public License v3.0

6 votes

def readUltrasonicSensor():
    GPIO.setup(TRIGGER_PIN, GPIO.OUT)
    GPIO.setup(SENSOR_PIN, GPIO.IN)
    GPIO.output(TRIGGER_PIN, GPIO.LOW)
    time.sleep(0.3)
    GPIO.output(TRIGGER_PIN, True)
    time.sleep(0.00001)
    GPIO.output(TRIGGER_PIN, False)
    while GPIO.input(SENSOR_PIN) == 0:
        signaloff = time.time()
    while GPIO.input(SENSOR_PIN) == 1:
        signalon = time.time()
    timepassed = signalon - signaloff
    distance = timepassed * 17000
    if distance < threshold:
        return 1
    else:
        return 0

Example #14

Source File: digital_display.py From SAKS-SDK with GNU General Public License v2.0

6 votes

def flush_bit(self, sel, num, dp):
        if num == '#':
            num = 10
        elif num == '-':
            num = 11
        else:
            num = int(num)

        GPIO.output(self.__pins['sel'][sel], self.__real_true)
        n = self.__number_code[num]

        if dp:
            n = n | 10000000

        for i in range(8):
            if (n & (1 << i)):
                GPIO.output(self.__pins['seg'][i], self.__real_true)

        GPIO.output(self.__pins['sel'][sel], not self.__real_true)

        for i in self.__pins['seg']:
            GPIO.output(i, not self.__real_true)

Example #15

Source File: mymodem.py From genmon with GNU General Public License v2.0

5 votes

def TogglePower(self):

        GPIO.output(self.power_pin, True)
        time.sleep(1.5)
        GPIO.output(self.power_pin, False)

    #------------------LTEPiHat::PowerUp----------------------------------------

Example #16

Source File: rrb3.py From raspirobotboard3 with MIT License

5 votes

def set_led2(self, state):
        GPIO.output(self.LED2_PIN, state)

Example #17

Source File: rrb3.py From raspirobotboard3 with MIT License

5 votes

def set_led1(self, state):
        GPIO.output(self.LED1_PIN, state)

Example #18

Source File: controller_rpi.py From SX127x_driver_for_MicroPython_on_ESP8266 with GNU General Public License v3.0

5 votes

def prepare_pin(self, pin_id, in_out = GPIO.OUT):
        if pin_id is not None:
            GPIO.setup(pin_id, in_out) 
            new_pin = Controller.Mock()
            new_pin.pin_id = pin_id
            
            if in_out == GPIO.OUT:
                new_pin.low = lambda : GPIO.output(pin_id, GPIO.LOW)
                new_pin.high = lambda : GPIO.output(pin_id, GPIO.HIGH)
            else:
                new_pin.value = lambda : GPIO.input(pin_id)
                
            return new_pin

Example #19

Source File: epd.py From rpi_epd2in7 with MIT License

5 votes

def digital_write(self, pin, value):
        return GPIO.output(pin, value)

Example #20

Source File: tm1637.py From raspberrypi-examples with MIT License

5 votes

def start(self):
        """send start signal to TM1637"""
        IO.output(self.__Clkpin, IO.HIGH)
        IO.output(self.__Datapin, IO.HIGH)
        IO.output(self.__Datapin, IO.LOW)
        IO.output(self.__Clkpin, IO.LOW)

Example #21

Source File: rrb3.py From raspirobotboard3 with MIT License

5 votes

def set_driver_pins(self, left_pwm, left_dir, right_pwm, right_dir):
        self.left_pwm.ChangeDutyCycle(left_pwm * 100 * self.pwm_scale)
        GPIO.output(self.LEFT_1_PIN, left_dir)
        GPIO.output(self.LEFT_2_PIN, not left_dir)
        self.right_pwm.ChangeDutyCycle(right_pwm * 100 * self.pwm_scale)
        GPIO.output(self.RIGHT_1_PIN, right_dir)
        GPIO.output(self.RIGHT_2_PIN, not right_dir)

Example #22

Source File: ultrasonic-distance.py From raspberrypi-examples with MIT License

5 votes

def setup():
	GPIO.setwarnings(False)
	GPIO.setmode(GPIO.BCM)
	GPIO.setup(pecho, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
	GPIO.setup(ptrig, GPIO.OUT)
	GPIO.output(ptrig, 0)

Example #23

Source File: controller_rpi.py From SX127x_driver_for_MicroPython_on_ESP8266 with GNU General Public License v3.0

5 votes

def prepare_pin(self, pin_id, in_out = GPIO.OUT):
        if pin_id is not None:
            GPIO.setup(pin_id, in_out)
            new_pin = Controller.Mock()
            new_pin.pin_id = pin_id

            if in_out == GPIO.OUT:
                new_pin.low = lambda: GPIO.output(pin_id, GPIO.LOW)
                new_pin.high = lambda: GPIO.output(pin_id, GPIO.HIGH)
            else:
                new_pin.value = lambda: GPIO.input(pin_id)

            return new_pin

Example #24

Source File: rrb3.py From raspirobotboard3 with MIT License

5 votes

def set_oc2(self, state):
        GPIO.output(self.OC2_PIN, state)

Example #25

Source File: rrb3.py From raspirobotboard3 with MIT License

5 votes

def set_driver_pins(self, left_pwm, left_dir, right_pwm, right_dir):
        self.left_pwm.ChangeDutyCycle(left_pwm * 100 * self.pwm_scale)
        GPIO.output(self.LEFT_1_PIN, left_dir)
        GPIO.output(self.LEFT_2_PIN, not left_dir)
        self.right_pwm.ChangeDutyCycle(right_pwm * 100 * self.pwm_scale)
        GPIO.output(self.RIGHT_1_PIN, right_dir)
        GPIO.output(self.RIGHT_2_PIN, not right_dir)

Example #26

Source File: rrb3.py From raspirobotboard3 with MIT License

5 votes

def set_led1(self, state):
        GPIO.output(self.LED1_PIN, state)

Example #27

Source File: rrb3.py From raspirobotboard3 with MIT License

5 votes

def set_led2(self, state):
        GPIO.output(self.LED2_PIN, state)

Example #28

Source File: rrb3.py From raspirobotboard3 with MIT License

5 votes

def set_oc1(self, state):
        GPIO.output(self.OC1_PIN, state)

Example #29

Source File: rrb3.py From raspirobotboard3 with MIT License

5 votes

def set_oc2(self, state):
        GPIO.output(self.OC2_PIN, state)

Example #30

Source File: rrb3.py From raspirobotboard3 with MIT License

5 votes

def set_oc1(self, state):
        GPIO.output(self.OC1_PIN, state)