Beispiel #1
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 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()
Beispiel #2
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 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()
Beispiel #3
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    def runTest(self):
        # Test mode not set (BOARD or BCM) exception
        with self.assertRaises(RuntimeError) as e:
            GPIO.setup(LED_PIN, GPIO.OUT)
        self.assertEqual(str(e.exception), 'Please set pin numbering mode using GPIO.setmode(GPIO.BOARD) or GPIO.setmode(GPIO.BCM)')

        GPIO.setmode(GPIO.BOARD)

        # Test not set as OUTPUT message
        with self.assertRaises(RuntimeError) as e:
            GPIO.output(LED_PIN, GPIO.HIGH)
        self.assertEqual(str(e.exception), 'The GPIO channel has not been set up as an OUTPUT')

        GPIO.setup(LED_PIN, GPIO.IN)

        # Test setup(..., pull_up_down=GPIO.HIGH) raises exception
        with self.assertRaises(ValueError):
            GPIO.setup(LED_PIN, GPIO.IN, pull_up_down=GPIO.HIGH)

        # Test 'already in use' warning
        GPIO.cleanup()
        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()

        # test initial value of high reads back as high
        GPIO.setup(LED_PIN, GPIO.OUT, initial=GPIO.HIGH)
        self.assertEqual(GPIO.input(LED_PIN), GPIO.HIGH)
        GPIO.cleanup()

        # test initial value of low reads back as low
        GPIO.setup(LED_PIN, GPIO.OUT, initial=GPIO.LOW)
        self.assertEqual(GPIO.input(LED_PIN), GPIO.LOW)
        GPIO.cleanup()
Beispiel #4
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#!/usr/bin/env python
import RaPi.GPIO as GPIO
import time

GPIO.setmode(GPIO.BOARD)
GPIO.setup(7, GPIO.IN, pull_up_down=GPIO.PUD_UP)
print "\n value_7 = %d\n" %(GPIO.input(7))	

GPIO.setup(8, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
print "\n value_8 = %d\n" %(GPIO.input(8))	

GPIO.setup(12, GPIO.IN, pull_up_down=GPIO.PUD_UP)
print "\n value_12 = %d\n" %(GPIO.input(12))	
GPIO.setup(12, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
print "\n value_12 = %d\n" %(GPIO.input(12))	

#GPIO.cleanup()
Beispiel #5
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import RaPi.GPIO as GPIO
import time

channel = 7

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

while True:
    if GPIO.input(channel):
        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()
Beispiel #6
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import RaPi.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)
Beispiel #7
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def makehigh():
	print "\n value_%d = %d\n" %(channel,GPIO.input(channel))
	GPIO.output(PIN_NUM,False)
	print "\n value_%d = %d\n" %(PIN_NUM,GPIO.input(PIN_NUM))
Beispiel #8
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#!/usr/bin/env python
import RaPi.GPIO as GPIO
import time
from threading import Timer

PIN_NUM = 12
channel = 7
GPIO.setmode(GPIO.BOARD)
GPIO.setup(PIN_NUM,GPIO.OUT)

GPIO.output(PIN_NUM,True)
print "\n value_%d = %d\n" %(PIN_NUM,GPIO.input(PIN_NUM))

GPIO.setup(channel,GPIO.IN,GPIO.PUD_DOWN)
print "\n value_%d = %d\n" %(channel,GPIO.input(channel))


def makehigh():
	print "\n value_%d = %d\n" %(channel,GPIO.input(channel))
	GPIO.output(PIN_NUM,False)
	print "\n value_%d = %d\n" %(PIN_NUM,GPIO.input(PIN_NUM))
	
	

	
GPIO.wait_for_edge(channel, GPIO.RISING)
t = Timer(1,makehigh)
t.start()
Beispiel #9
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#!/usr/bin/env python
import RaPi.GPIO as GPIO
import time
from threading import Timer

SWITCH_PIN = 18
GPIO.setmode(GPIO.BOARD)
GPIO.setup(SWITCH_PIN,GPIO.IN,GPIO.PUD_UP)
print "\n value_%d = %d\n" %(SWITCH_PIN,GPIO.input(SWITCH_PIN))

GPIO.add_event_detect(SWITCH_PIN, GPIO.RISING,bouncetime=200)  # add rising edge detection on a channel

switchcount = 0
while switchcount < 2:   
	if GPIO.event_detected(SWITCH_PIN):
		switchcount += 1
		print 'Button pressed',switchcount
		print "\n value_%d = %d\n" %(SWITCH_PIN,GPIO.input(SWITCH_PIN))
		

GPIO.remove_event_detect(SWITCH_PIN)
def my_callback(channel):
	print "Callback trigger %d" %channel
	print "Now value of the Pin is %d" %(GPIO.input(GPIO.PI+10))
	print "Click Ctr + C to exit"
import RaPi.GPIO as GPIO 
import time

#PIN_NUM = 24
#GPIO.setmode(GPIO.BOARD)
#GPIO.setup(PIN_NUM,GPIO.IN,GPIO.PUD_DOWN)

GPIO.setmode(GPIO.RAW)
GPIO.setup(GPIO.PI+10,GPIO.IN,GPIO.PUD_DOWN)

print "The value of Pin %d is %d" %(GPIO.PI+10,GPIO.input(GPIO.PI+10))


def my_callback(channel):
	print "Callback trigger %d" %channel
	print "Now value of the Pin is %d" %(GPIO.input(GPIO.PI+10))
	print "Click Ctr + C to exit"

GPIO.add_event_detect(GPIO.PI+10,GPIO.RISING,callback = my_callback,bouncetime = 300)

try:
    while True:
	time.sleep(0.1)
except KeyboardInterrupt:
    pass

GPIO.cleanup()

Beispiel #12
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#!/usr/bin/env python
import RaPi.GPIO as GPIO
import time
PIN_0 = 3
PIN_1 = 5
#GPIO.setmode(GPIO.BCM)
GPIO.setmode(GPIO.BOARD)
GPIO.setup(PIN_0,GPIO.OUT)
GPIO.setup(PIN_1,GPIO.IN)

while True:
	GPIO.output(PIN_0,True)
	print "\n value = %d\n" %(GPIO.input(PIN_1))	
	time.sleep(1)
	GPIO.output(PIN_0,False)
	print "\n value = %d\n" %(GPIO.input(PIN_1))
	time.sleep(1)

GPIO.cleanup()