def test_switchbounce(self):
self.switchcount = 0
print "\nSwitch bounce test. Press switch at least 10 times and count..."
GPIO.add_event_detect(SWITCH_PIN, GPIO.FALLING, callback=self.cb, bouncetime=200)
while self.switchcount < 10:
time.sleep(1)
GPIO.remove_event_detect(SWITCH_PIN)
def test_event_detected(self):
self.switchcount = 0
print "\nGPIO.event_detected() switch bounce test. Press switch at least 10 times and count..."
GPIO.add_event_detect(SWITCH_PIN, GPIO.FALLING, bouncetime=200)
while self.switchcount < 10:
if GPIO.event_detected(SWITCH_PIN):
self.switchcount += 1
print 'Button press',self.switchcount
GPIO.remove_event_detect(SWITCH_PIN)
def testRisingEventDetected(self):
GPIO.output(LOOP_OUT, GPIO.LOW)
GPIO.add_event_detect(LOOP_IN, GPIO.RISING)
time.sleep(0.001)
self.assertEqual(GPIO.event_detected(LOOP_IN), False)
GPIO.output(LOOP_OUT, GPIO.HIGH)
time.sleep(0.001)
self.assertEqual(GPIO.event_detected(LOOP_IN), True)
GPIO.output(LOOP_OUT, GPIO.LOW)
time.sleep(0.001)
self.assertEqual(GPIO.event_detected(LOOP_IN), False)
GPIO.remove_event_detect(LOOP_IN)
def testEventDetect(pin, trigger): switchCnt = 0 GPIO.setup(pin, GPIO.IN, GPIO.PUD_UP) GPIO.add_event_detect(pin, trigger) while switchCnt < 2: if GPIO.event_detected(pin): switchCnt += 1 print 'The event has been detected' print "\n value_%d = %d\n" %(pin,GPIO.input(pin)) GPIO.remove_event_detect(pin)
def testExceptionInCallback(self):
self.run_cb = False
def cb(channel):
with self.assertRaises(ZeroDivisionError):
self.run_cb = True
a = 1/0
GPIO.output(LOOP_OUT, GPIO.LOW)
GPIO.add_event_detect(LOOP_IN, GPIO.RISING, callback=cb)
time.sleep(0.001)
GPIO.output(LOOP_OUT, GPIO.HIGH)
time.sleep(0.001)
self.assertEqual(self.run_cb, True)
GPIO.remove_event_detect(LOOP_IN)
def testAddEventCallback(self):
def cb(channel):
self.callback_count += 1
# falling test
self.callback_count = 0
GPIO.output(LOOP_OUT, GPIO.HIGH)
GPIO.add_event_detect(LOOP_IN, GPIO.FALLING)
GPIO.add_event_callback(LOOP_IN, cb)
time.sleep(0.001)
for i in range(5):
GPIO.output(LOOP_OUT, GPIO.LOW)
time.sleep(0.001)
GPIO.output(LOOP_OUT, GPIO.HIGH)
time.sleep(0.001)
self.assertEqual(self.callback_count, 5)
GPIO.remove_event_detect(LOOP_IN)
# rising test
self.callback_count = 0
GPIO.output(LOOP_OUT, GPIO.LOW)
GPIO.add_event_detect(LOOP_IN, GPIO.RISING, callback=cb)
time.sleep(0.001)
for i in range(5):
GPIO.output(LOOP_OUT, GPIO.HIGH)
time.sleep(0.001)
GPIO.output(LOOP_OUT, GPIO.LOW)
time.sleep(0.001)
self.assertEqual(self.callback_count, 5)
GPIO.remove_event_detect(LOOP_IN)
# both test
self.callback_count = 0
GPIO.output(LOOP_OUT, GPIO.LOW)
GPIO.add_event_detect(LOOP_IN, GPIO.BOTH, callback=cb)
time.sleep(0.001)
for i in range(5):
GPIO.output(LOOP_OUT, GPIO.HIGH)
time.sleep(0.001)
GPIO.output(LOOP_OUT, GPIO.LOW)
time.sleep(0.001)
self.assertEqual(self.callback_count, 10)
GPIO.remove_event_detect(LOOP_IN)
'''P8 P10 P12 P13 P15 P16 P22 P19 P23'''
#The following pins support the external event detected on the 40Pin Header of the BananaPro
'''P7 P8 P10 P11 P13 P15 P16 P18 P19 P21 P22 P23 P24 P26'''
testPinOnGt = 8 #For LeMaker Guitar
testPinOnBP = 18 #For BananaPro
GPIO.setmode(GPIO.BOARD)
GPIO.setup(testPinOnGt, GPIO.IN, GPIO.PUD_UP)
def testCallback(channel):
print "running callback function", channel
GPIO.add_event_detect(testPinOnGt,
GPIO.RISING,
callback=testCallback,
bouncetime=300)
try:
while True:
time.sleep(1)
except KeyboardInterrupt:
pass
GPIO.remove_event_detect(testPinOnGt)
GPIO.cleanup()
#!/usr/bin/env python import LMK.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)
import LMK.GPIO as GPIO import time #The following pins support the external event detected on the 40Pin Header of the LeMake Guitar '''P8 P10 P12 P13 P15 P16 P22 P19 P23''' #The following pins support the external event detected on the 40Pin Header of the BananaPro '''P7 P8 P10 P11 P13 P15 P16 P18 P19 P21 P22 P23 P24 P26''' testPinOnGt = 8 #For LeMaker Guitar testPinOnBP = 18 #For BananaPro GPIO.setmode(GPIO.BOARD) GPIO.setup(testPinOnGt, GPIO.IN, GPIO.PUD_UP) def testCallback(channel): print "running callback function", channel GPIO.add_event_detect(testPinOnGt, GPIO.RISING, callback=testCallback, bouncetime=300) try: while True: time.sleep(1) except KeyboardInterrupt: pass GPIO.remove_event_detect(testPinOnGt) GPIO.cleanup()
