Python GPIO.cleanup方法代码示例

# 需要导入模块: from LMK import GPIO [as 别名]
# 或者: from LMK.GPIO import cleanup [as 别名]
    def test_alreadyinuse(self):
        """Test 'already in use' warning"""
        GPIO.setwarnings(False)
        with open('/sys/class/gpio/export','wb') as f:
            f.write(str(LED_PIN_BCM).encode())
        with open('/sys/class/gpio/gpio%s/direction'%LED_PIN_BCM,'wb') as f:
            f.write(b'out')
        with open('/sys/class/gpio/gpio%s/value'%LED_PIN_BCM,'wb') as f:
            f.write(b'1')
        with warnings.catch_warnings(record=True) as w:
            GPIO.setup(LED_PIN, GPIO.OUT)    # generate 'already in use' warning
            self.assertEqual(len(w),0)       # should be no warnings
        with open('/sys/class/gpio/unexport','wb') as f:
            f.write(str(LED_PIN_BCM).encode())
        GPIO.cleanup()

        GPIO.setwarnings(True)
        with open('/sys/class/gpio/export','wb') as f:
            f.write(str(LED_PIN_BCM).encode())
        with open('/sys/class/gpio/gpio%s/direction'%LED_PIN_BCM,'wb') as f:
            f.write(b'out')
        with open('/sys/class/gpio/gpio%s/value'%LED_PIN_BCM,'wb') as f:
            f.write(b'1')
        with warnings.catch_warnings(record=True) as w:
            GPIO.setup(LED_PIN, GPIO.OUT)    # generate 'already in use' warning
            self.assertEqual(w[0].category, RuntimeWarning)
        with open('/sys/class/gpio/unexport','wb') as f:
            f.write(str(LED_PIN_BCM).encode())
        GPIO.cleanup()

# 需要导入模块: from LMK import GPIO [as 别名]
# 或者: from LMK.GPIO import cleanup [as 别名]
 def test_loopback(self):
     """Test output loops back to another input"""
     GPIO.setup(LOOP_IN, GPIO.IN, pull_up_down=GPIO.PUD_OFF)
     GPIO.setup(LOOP_OUT, GPIO.OUT, initial=GPIO.LOW)
     self.assertEqual(GPIO.input(LOOP_IN), GPIO.LOW)
     GPIO.output(LOOP_OUT, GPIO.HIGH)
     self.assertEqual(GPIO.input(LOOP_IN), GPIO.HIGH)
     GPIO.cleanup()

# 需要导入模块: from LMK import GPIO [as 别名]
# 或者: from LMK.GPIO import cleanup [as 别名]
 def test_outputread(self):
     """Test that an output() can be input()"""
     GPIO.setup(LED_PIN, GPIO.OUT)
     GPIO.output(LED_PIN, GPIO.HIGH)
     self.assertEqual(GPIO.input(LED_PIN), GPIO.HIGH)
     GPIO.output(LED_PIN, GPIO.LOW)
     self.assertEqual(GPIO.input(LED_PIN), GPIO.LOW)
     GPIO.cleanup()

# 需要导入模块: from LMK import GPIO [as 别名]
# 或者: from LMK.GPIO import cleanup [as 别名]
 def test_cleanall(self):
     GPIO.setup(LOOP_OUT, GPIO.OUT)
     GPIO.setup(LED_PIN, GPIO.OUT)
     self.assertEqual(GPIO.gpio_function(LOOP_OUT), GPIO.OUT)
     self.assertEqual(GPIO.gpio_function(LED_PIN), GPIO.OUT)
     GPIO.cleanup()
     self.assertEqual(GPIO.gpio_function(LOOP_OUT), GPIO.IN)
     self.assertEqual(GPIO.gpio_function(LED_PIN), GPIO.IN)

# 需要导入模块: from LMK import GPIO [as 别名]
# 或者: from LMK.GPIO import cleanup [as 别名]
def handler(signum, frame):
    SPIsend(SPI_SLAVE_ADDR, SPI_IOCONA, 0x00)
    SPIsend(SPI_SLAVE_ADDR, SPI_IOCONB, 0x00)
    SPIsend(SPI_SLAVE_ADDR, SPI_GPIOA, 0x00)
    GPIO.cleanup()
    os.system("clear")
    print("Clean")
    if Failed == 0:
        PSent = "Sent: {0}".format(Sent)
        PRecv = " | Received: {0}".format(Finished)
        PFail = " | Failed: {0}".format(Failed)
        PPerc = " | Failure: 0%"
    else:
        PSent = "Sent: {0}".format(Sent)
        PRecv = " | Received: {0}".format(Finished)
        PFail = " | Failed: {0}".format(Failed)
        PPerc = " | Failure: {0}%".format(str(100 / (Sent / Failed)))
    print(PSent + PRecv + PFail)
    sys.exit()

# 需要导入模块: from LMK import GPIO [as 别名]
# 或者: from LMK.GPIO import cleanup [as 别名]
 def runTest(self):
     GPIO.setup(LED_PIN, GPIO.OUT)
     pwm = GPIO.PWM(LED_PIN, 50)
     pwm.start(100)
     print "\nPWM tests"
     response = raw_input('Is the LED on (y/n) ? ').upper()
     self.assertEqual(response,'Y')
     pwm.start(0)
     response = raw_input('Is the LED off (y/n) ? ').upper()
     self.assertEqual(response,'Y')
     print "LED Brighten/fade test..."
     for i in range(0,3):
         for x in range(0,101,5):
             pwm.ChangeDutyCycle(x)
             time.sleep(0.1)
         for x in range(100,-1,-5):
             pwm.ChangeDutyCycle(x)
             time.sleep(0.1)
     pwm.stop()
     response = raw_input('Did it work (y/n) ? ').upper()
     self.assertEqual(response,'Y')
     GPIO.cleanup()

# 需要导入模块: from LMK import GPIO [as 别名]
# 或者: from LMK.GPIO import cleanup [as 别名]
def testOutput(mode, pins):
	if mode == "BOARD":
		print "Start to test the mode: %s" %(mode)
		GPIO.setmode(GPIO.BOARD)
	elif mode == "BCM":
		print "Start to test the mode: %s" %(mode)
		GPIO.setmode(GPIO.BCM)
	else:
		print "Invalid test mode: %s" %(mode)

	for i in pins:
		try:
			GPIO.setup(i, GPIO.OUT)
		except:
			print("Failed to setup GPIO %d", i)
			continue

		GPIO.output(i, True)
		time.sleep(0.5)
		GPIO.output(i, False)
		time.sleep(0.5)

	GPIO.cleanup()

# 需要导入模块: from LMK import GPIO [as 别名]
# 或者: from LMK.GPIO import cleanup [as 别名]
def testPwm(mode, pins):
	if mode == "BOARD":
		print "Start to test the mode: %s" %(mode)
		GPIO.setmode(GPIO.BOARD)
	elif mode == "BCM":
		print "Start to test the mode: %s" %(mode)
		GPIO.setmode(GPIO.BCM)
	else:
		print "Invalid test mode: %s" %(mode)

	for i in pins: 
		GPIO.setup(i,GPIO.OUT)
		p = GPIO.PWM(i,100)   #set freq: 100HZ
		p.start(10)           #duty cycle: 10%
		time.sleep(1)
		
		p.start(100)          #duty cycle: 100%
		time.sleep(1)

		GPIO.output(i, False)		
		p.stop()

	GPIO.cleanup()

# 需要导入模块: from LMK import GPIO [as 别名]
# 或者: from LMK.GPIO import cleanup [as 别名]
def calDistance(trigger, echo):
    stop = start = 0
    GPIO.setup(trigger, GPIO.OUT)
    GPIO.setup(echo, GPIO.IN)
    GPIO.output(trigger, 0)
    time.sleep(0.5)
    
    GPIO.output(trigger, 1)
    time.sleep(0.00001)
    GPIO.output(trigger, 0)
    start = time.time()
    while GPIO.input(echo) == 0:
        start = time.time()

    while GPIO.input(echo) == 1:
        stop = time.time()

    delta = stop - start
    print("UltraSonic time %.8f" % (delta))
    distance = delta * 34300
    distance = distance / 2.0
    GPIO.cleanup()
    return distance

# 需要导入模块: from LMK import GPIO [as 别名]
# 或者: from LMK.GPIO import cleanup [as 别名]
    def test_cleanupwarning(self):
        """Test initial GPIO.cleanup() produces warning"""
        GPIO.setwarnings(False)
        GPIO.setup(SWITCH_PIN, GPIO.IN)
        with warnings.catch_warnings(record=True) as w:
            GPIO.cleanup()
            self.assertEqual(len(w),0) # no warnings
            GPIO.cleanup()
            self.assertEqual(len(w),0) # no warnings

        GPIO.setwarnings(True)
        GPIO.setup(SWITCH_PIN, GPIO.IN)
        with warnings.catch_warnings(record=True) as w:
            GPIO.cleanup()
            self.assertEqual(len(w),0) # no warnings
            GPIO.cleanup()
            self.assertEqual(w[0].category, RuntimeWarning) # a warning

# 需要导入模块: from LMK import GPIO [as 别名]
# 或者: from LMK.GPIO import cleanup [as 别名]
'''
import LMK.GPIO as GPIO
import time

#pull-up/down pins for the LeMaker Guitar, and the P3, P5, P19 and P23 of the pull-up has been enabled by 
#connecting the external pull-up resistor, don't need to operate by using the software.

#-----------P8 P10 P12 P13 P15 P16 P22-----------#
pullUpGt = (8, 10, 12, 13, 15, 16, 22)  #Pull-UP pins which be configured by the software
pullDwGt = (16,)                        #Pull-Down pins which be configured by the software

#pull-up/down pins for the BananaPro, and the P3, P5, P27 and P28 of the pull-up have been enabled by
#connecting the external pull-up resistor, don't need to operate by using the software.

#-----------P7  P8  P10  P11  P12  P13  P15  P16  P18  P19 P21  P22  P23  P24 P26 P29  P31  P32  P33  P35  P36  P37  P38  P40-----------#
pullUpBP = (7,  8,  10,  11,  12,  13,  15,  16,  18,  19, 21,  22,  23,  24, 26, 29,  31,  32,  33,  35,  36,  37,  38,  40)
PullDwBP = (7,  8,  10,  11,  12,  13,  15,  16,  18,  19, 21,  22,  23,  24, 26, 29,  31,  32,  33,  35,  36,  37,  38,  40)

#GPIO.PUD_UP    #enable pull-up
#GPIO.PUD_DOWN  #enable pull-down
#GPIO.PUD_OFF   #disable pull-up/down

GPIO.setmode(GPIO.BOARD)
for i in pullUpGt:
	GPIO.setup(i, GPIO.IN, pull_up_down=GPIO.PUD_UP)  #enable pull-up
	time.sleep(1)  
	GPIO.setup(i, GPIO.IN, pull_up_down=GPIO.PUD_OFF) #disable pull-up
	time.sleep(0)

GPIO.cleanup()

# 需要导入模块: from LMK import GPIO [as 别名]
# 或者: from LMK.GPIO import cleanup [as 别名]
 def test_output_on_input(self):
     """Test output() can not be done on input"""
     GPIO.setup(SWITCH_PIN, GPIO.IN)
     with self.assertRaises(RuntimeError):
         GPIO.output(SWITCH_PIN, GPIO.LOW)
     GPIO.cleanup()

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

# 需要导入模块: from LMK import GPIO [as 别名]
# 或者: from LMK.GPIO import cleanup [as 别名]
import LMK.GPIO as GPIO
import time

# channel = 15

GPIO.setmode(GPIO.RAW)
GPIO.setup(GPIO.PI + 17, GPIO.IN, GPIO.PUD_DOWN)
print " Now input is Low\n Our task is performed when it becomes High"

while True:
    if GPIO.input(GPIO.PI + 17):
        print "Input was High,begin to perform"
        print "Count Down"
        for i in range(7, 0, -1):
            print "%d" % i
            time.sleep(1)
        print "Performed!"
        exit()

GPIO.cleanup(GPIO.PI + 17)