Python GPIO.cleanup方法代码示例

# 需要导入模块: from RPi import GPIO [as 别名]
# 或者: from RPi.GPIO import cleanup [as 别名]
def get_spi(self):             
        spi = None
        
        try: 
            spi = spidev.SpiDev()
            bus = 0
            device = 0
            spi.open(bus, device)            
            spi.max_speed_hz = 10000000
            spi.mode = 0b00
            spi.lsbfirst = False
                
        except Exception as e:
            print(e)
            GPIO.cleanup()
            if spi:
                spi.close()
                spi = None
        
        return spi
        
            
    # https://www.raspberrypi.org/documentation/hardware/raspberrypi/spi/README.md
    # https://www.raspberrypi.org/forums/viewtopic.php?f=44&t=19489 

# 需要导入模块: from RPi import GPIO [as 别名]
# 或者: from RPi.GPIO import cleanup [as 别名]
def get_spi(self):
        spi = None

        try:
            spi = spidev.SpiDev()
            bus = 0
            device = 0
            spi.open(bus, device)
            spi.max_speed_hz = 10000000
            spi.mode = 0b00
            spi.lsbfirst = False

        except Exception as e:
            print(e)
            GPIO.cleanup()
            if spi:
                spi.close()
                spi = None

        return spi


    # https://www.raspberrypi.org/documentation/hardware/raspberrypi/spi/README.md
    # https://www.raspberrypi.org/forums/viewtopic.php?f=44&t=19489 

# 需要导入模块: from RPi import GPIO [as 别名]
# 或者: from RPi.GPIO import cleanup [as 别名]
def saks_gpio_init(self):
        #print 'saks_gpio_init'
        GPIO.setwarnings(False)
        GPIO.cleanup()
        GPIO.setmode(GPIO.BCM)

        GPIO.setup(PINS.BUZZER, GPIO.OUT)
        GPIO.output(PINS.BUZZER, GPIO.HIGH)

        for p in [PINS.IC_TM1637_DI, PINS.IC_TM1637_CLK, PINS.IC_74HC595_DS, PINS.IC_74HC595_SHCP, PINS.IC_74HC595_STCP]:
            GPIO.setup(p, GPIO.OUT)
            GPIO.output(p, GPIO.LOW)

        for p in [PINS.BUZZER, PINS.TACT_RIGHT, PINS.TACT_LEFT, PINS.DIP_SWITCH_1, PINS.DIP_SWITCH_2]:
            GPIO.setup(p, GPIO.OUT)
            GPIO.output(p, GPIO.HIGH)

        for p in [PINS.TACT_RIGHT, PINS.TACT_LEFT, PINS.DIP_SWITCH_1, PINS.DIP_SWITCH_2]:
            GPIO.setup(p, GPIO.IN, pull_up_down = GPIO.PUD_UP) 

# 需要导入模块: from RPi import GPIO [as 别名]
# 或者: from RPi.GPIO import cleanup [as 别名]
def init_process():
	print " "
	print "MSG - [S100, T110 CO2 Sensor Driver on RASPI2, Please check log file : ", LOG_PATH
	print "MSG - now starting to read SERIAL PORT"
	print " "
	# HW setup, GPIO
	GPIO.setwarnings(False)
	GPIO.cleanup()
	GPIO.setmode(GPIO.BCM)
	GPIO.setup(18, GPIO.OUT)
	GPIO.setup(23, GPIO.OUT)
	GPIO.setup(24, GPIO.OUT)
	GPIO.setup(25, GPIO.OUT)
	logger.info(' *start* GPIO all set, trying to open serial port, SW starting ')
	rledAllOn()

######################################################################
# START Here. Main
######################################################################

# set logger file 

# 需要导入模块: from RPi import GPIO [as 别名]
# 或者: from RPi.GPIO import cleanup [as 别名]
def main():
    try:
        while True:
            for led in LEDS:
                for idx, pin in enumerate(led):
                    if pin == O:
                        GPIO.setup(PINS[idx], GPIO.IN)
                    else:
                        GPIO.setup(PINS[idx], GPIO.OUT)
                        GPIO.output(PINS[idx], pin)
                time.sleep(.1)
            
    except KeyboardInterrupt:
        pass

    finally:
        GPIO.cleanup() 

# 需要导入模块: from RPi import GPIO [as 别名]
# 或者: from RPi.GPIO import cleanup [as 别名]
def main():
    global pulses

    ## We're using BCM Mode
    GPIO.setmode(GPIO.BCM)

    ## Setup coin interrupt channel
    GPIO.setup(6, GPIO.IN, pull_up_down=GPIO.PUD_UP)
    # GPIO.setup(PIN_COIN_INTERRUPT,GPIO.IN)
    GPIO.add_event_detect(6, GPIO.FALLING, callback=coinEventHandler)

    while True:
        time.sleep(0.5)
        if (time.time() - lastImpulse > 0.5) and (pulses > 0):
            if pulses == 1:
                print("Coin 1")
            pulses = 0

    GPIO.cleanup()


# handle the coin event 

# 需要导入模块: from RPi import GPIO [as 别名]
# 或者: from RPi.GPIO import cleanup [as 别名]
def user_shutdown(channel):
    global safe_mode
        
    shutdown_delay = 10 # seconds

    # in Safe Mode, wait 2 mins before actually shutting down
    if(safe_mode):
        cmd = "sudo wall 'System shutting down in 2 minutes - SAFE MODE'"
        os.system(cmd)
        time.sleep(120)

    cmd = "sudo wall 'System shutting down in %d seconds'" % shutdown_delay
    os.system(cmd)
    time.sleep(shutdown_delay)

    # Log message is added to /var/log/messages
    os.system("sudo logger -t 'pi_power' '** User initiated shut down **'")
    GPIO.cleanup()
    os.system("sudo shutdown now")


# Shutdown system because of low battery 

# 需要导入模块: from RPi import GPIO [as 别名]
# 或者: from RPi.GPIO import cleanup [as 别名]
def low_battery_shutdown():
    global safe_mode

    shutdown_delay = 30 # seconds
    
    # in Safe Mode, wait 2 mins before actually shutting down
    if(safe_mode):
        cmd = "sudo wall 'System shutting down in 2 minutes - SAFE MODE'"
        os.system(cmd)
        time.sleep(120)
    
    cmd = "sudo wall 'System shutting down in %d seconds'" % shutdown_delay
    os.system(cmd)
    time.sleep(shutdown_delay)
    # Log message is added to /var/log/messages
    os.system("sudo logger -t 'pi_power' '** Low Battery - shutting down now **'")
    GPIO.cleanup()
    os.system("sudo shutdown now")
                

    

# MAIN ----------------------- 

# 需要导入模块: from RPi import GPIO [as 别名]
# 或者: from RPi.GPIO import cleanup [as 别名]
def simple_on_of(debug, port, on_t):
    if debug:
        set_debug()

    fan_on = turn_port_in(port)

    try:
        while True:
            temperature = get_cpu_temp()
            if temperature >= on_t:
                if not fan_on:
                    logging.debug("Temperature {0} CPU fan on.".format(temperature))
                    fan_on = turn_port_out(port)
            else:
                if fan_on:
                    logging.debug("Temperature {0} CPU fan off.".format(temperature))
                    fan_on = turn_port_in(port)
            sleep(10)
    except Exception:
        logging.exception("Error occurs while tune fan status:")
        GPIO.cleanup() 

# 需要导入模块: from RPi import GPIO [as 别名]
# 或者: from RPi.GPIO import cleanup [as 别名]
def tearDown(self):
        GPIO.cleanup()

    #def test_software_spi_initialize(self):
        #"""Checks to see if the sensor can initialize on the software SPI interface.

        #Will fail if it cannot find the MAX31856 library or any dependencies.
        #Test only checks to see that the sensor can be initialized in Software, does not check the
        #hardware connection.
        #"""
        #_logger.debug('test_software_SPI_initialize()')
        ## Raspberry Pi software SPI configuration.
        #software_spi = {"clk": 25, "cs": 8, "do": 9, "di": 10}
        #sensor = MAX31856(software_spi=software_spi)

        #if sensor:
            #self.assertTrue(True)
        #else:
            #self.assertTrue(False) 

# 需要导入模块: from RPi import GPIO [as 别名]
# 或者: from RPi.GPIO import cleanup [as 别名]
def main():
  try:
    gpioSetup()
    with SC.serPort(serName=SERNAME) as mySerialPort:
      mySerialPort.send("\r\n")
      mySerialPort.send("  GPIO Serial Control\r\n")
      mySerialPort.send("  -------------------\r\n")
      mySerialPort.send("  CMD PIN STATE "+
                        "[GPIO Pin# ON]\r\n")
      while running==True:
        print ("Waiting for command...")
        mySerialPort.send(">>")
        cmd = mySerialPort.receive(terminate="\r\n")
        response=handleCmd(cmd)
        mySerialPort.send(response)
      mySerialPort.send("  Finished!\r\n")
  except OSError:
    print ("Check selected port is valid: %s" %serName)
  except KeyboardInterrupt:
    print ("Finished")
  finally:
    GPIO.cleanup() 

# 需要导入模块: from RPi import GPIO [as 别名]
# 或者: from RPi.GPIO import cleanup [as 别名]
def cleanup(self):
		if not self.corrupted:
			try:
				GPIO.cleanup(self.gpio_pin)
			except ValueError as ve: # GPIO pin number is not in valid range
				logging.error("Buzzer: The given pin number is not in a valid range: %s" % ve)
			else:
				logging.debug("Buzzer: Cleaned up buzzer action") 

# 需要导入模块: from RPi import GPIO [as 别名]
# 或者: from RPi.GPIO import cleanup [as 别名]
def cleanup_sensor(self):
		try:
			GPIO.remove_event_detect(self.gpio)
			GPIO.cleanup(self.gpio)
		except ValueError as ve: # GPIO pin number is not in valid range
			logging.error("GPIOSensor: The given pin number is not in a valid range: %s" % ve)
		logging.debug("GPIOSensor: Removed sensor at pin %s!" % self.gpio)
	
	# callback for alarm 

# 需要导入模块: from RPi import GPIO [as 别名]
# 或者: from RPi.GPIO import cleanup [as 别名]
def cleanup(self):
        """Stop updating clock, turn off display, and cleanup GPIO"""
        self.StopClock()
        self.Clear()
        IO.cleanup() 

# 需要导入模块: from RPi import GPIO [as 别名]
# 或者: from RPi.GPIO import cleanup [as 别名]
def cleanup(self):
        print "Cleanup"
        self.light.off()
        self.redled.off()
        self.yellowled.off()
        self.motor.stop()
        GPIO.cleanup()