Пример #1
0
    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(0.01)
        for i in range(2048):
            GPIO.output(LOOP_OUT, GPIO.LOW)
            time.sleep(0.001)
            GPIO.output(LOOP_OUT, GPIO.HIGH)
            time.sleep(0.001)
        GPIO.remove_event_detect(LOOP_IN)
        self.assertEqual(self.callback_count, 2048)

        # rising test
        self.callback_count = 0
        GPIO.output(LOOP_OUT, GPIO.LOW)
        GPIO.add_event_detect(LOOP_IN, GPIO.RISING, callback=cb)
        time.sleep(0.01)
        for i in range(2048):
            GPIO.output(LOOP_OUT, GPIO.HIGH)
            time.sleep(0.001)
            GPIO.output(LOOP_OUT, GPIO.LOW)
            time.sleep(0.001)
        GPIO.remove_event_detect(LOOP_IN)
        self.assertEqual(self.callback_count, 2048)

        # both test
        self.callback_count = 0
        GPIO.output(LOOP_OUT, GPIO.LOW)
        GPIO.add_event_detect(LOOP_IN, GPIO.BOTH, callback=cb)
        time.sleep(0.01)
        for i in range(2048):
            GPIO.output(LOOP_OUT, GPIO.HIGH)
            time.sleep(0.001)
            GPIO.output(LOOP_OUT, GPIO.LOW)
            time.sleep(0.001)
        GPIO.remove_event_detect(LOOP_IN)
        self.assertEqual(self.callback_count, 4096)
Пример #2
0
    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)