def testWaitForEventSwitchbounce(self):
self.finished = False
def bounce():
GPIO.output(LOOP_OUT, GPIO.HIGH)
time.sleep(0.01)
GPIO.output(LOOP_OUT, GPIO.LOW)
time.sleep(0.01)
GPIO.output(LOOP_OUT, GPIO.HIGH)
time.sleep(0.01)
GPIO.output(LOOP_OUT, GPIO.LOW)
time.sleep(0.2)
GPIO.output(LOOP_OUT, GPIO.HIGH)
time.sleep(0.01)
GPIO.output(LOOP_OUT, GPIO.LOW)
time.sleep(0.01)
GPIO.output(LOOP_OUT, GPIO.HIGH)
time.sleep(0.01)
GPIO.output(LOOP_OUT, GPIO.LOW)
self.finished = True
GPIO.output(LOOP_OUT, GPIO.LOW)
t1 = Timer(0.1, bounce)
t1.start()
starttime = time.time()
GPIO.wait_for_edge(LOOP_IN, GPIO.RISING, bouncetime=100)
GPIO.wait_for_edge(LOOP_IN, GPIO.RISING, bouncetime=100)
finishtime = time.time()
self.assertGreater(finishtime - starttime, 0.2)
while not self.finished:
time.sleep(0.1)
def testWaitForFalling(self):
def makelow():
GPIO.output(LOOP_OUT, GPIO.LOW)
GPIO.output(LOOP_OUT, GPIO.HIGH)
t = Timer(0.1, makelow)
t.start()
GPIO.wait_for_edge(LOOP_IN, GPIO.FALLING)
def testWaitForRising(self):
def makehigh():
GPIO.output(LOOP_OUT, GPIO.HIGH)
GPIO.output(LOOP_OUT, GPIO.LOW)
t = Timer(0.1, makehigh)
t.start()
GPIO.wait_for_edge(LOOP_IN, GPIO.RISING)
def testInvalidBouncetime(self):
with self.assertRaises(ValueError):
GPIO.add_event_detect(LOOP_IN, GPIO.RISING, bouncetime=-1)
with self.assertRaises(ValueError):
GPIO.wait_for_edge(LOOP_IN, GPIO.RISING, bouncetime=-1)
GPIO.add_event_detect(LOOP_IN, GPIO.RISING, bouncetime=123)
with self.assertRaises(RuntimeError):
GPIO.wait_for_edge(LOOP_IN, GPIO.RISING, bouncetime=321)
GPIO.remove_event_detect(LOOP_IN)
def testAlternateWaitForEdge(self):
def makehigh():
GPIO.output(LOOP_OUT, GPIO.HIGH)
def makelow():
GPIO.output(LOOP_OUT, GPIO.LOW)
GPIO.output(LOOP_OUT, GPIO.LOW)
t = Timer(2.0, makehigh)
t2 = Timer(2.0, makelow)
t.start()
t2.start()
GPIO.wait_for_edge(LOOP_IN, GPIO.RISING)
GPIO.wait_for_edge(LOOP_IN, GPIO.FALLING)
def testWaitForEdgeInLoop(self):
def makelow():
GPIO.output(LOOP_OUT, GPIO.LOW)
count = 0
timestart = time.time()
GPIO.output(LOOP_OUT, GPIO.HIGH)
while True:
t = Timer(0.1, makelow)
t.start()
GPIO.wait_for_edge(LOOP_IN, GPIO.FALLING)
GPIO.output(LOOP_OUT, GPIO.HIGH)
count += 1
if time.time() - timestart > 5 or count > 150:
break
def testWaitForEdgeWithCallback(self):
def cb():
raise Exception("Callback should not be called")
def makehigh():
GPIO.output(LOOP_OUT, GPIO.HIGH)
GPIO.output(LOOP_OUT, GPIO.LOW)
t = Timer(0.1, makehigh)
GPIO.add_event_detect(LOOP_IN, GPIO.RISING)
t.start()
GPIO.wait_for_edge(LOOP_IN, GPIO.RISING)
GPIO.output(LOOP_OUT, GPIO.LOW)
GPIO.add_event_callback(LOOP_IN, callback=cb)
with self.assertRaises(RuntimeError): # conflicting edge exception
GPIO.wait_for_edge(LOOP_IN, GPIO.RISING)
GPIO.remove_event_detect(LOOP_IN)
timer = TimeUntilDisplayOff
call(['xhost', '+'])
os.environ["DISPLAY"] = ":0.0"
try:
while True:
if GPIO.input(MotionSensor):
timer = TimeUntilDisplayOff
print("Setting timer to " + str(timer) + "s.")
if timer > 0:
timer -= 1
print("Timer: " + str(timer) + "s")
else:
print("Timer is 0 -> turning display off.")
call(['xrandr', '--output', 'HDMI-1', '--off'])
GPIO.wait_for_edge(MotionSensor, GPIO.RISING)
print("Motion detected -> turning display on")
call(
['xrandr', '--output', 'HDMI-1', '--auto', '--rotate', 'left'])
timer = TimeUntilDisplayOff
sleep(1)
except KeyboardInterrupt:
GPIO.cleanup()
