def test_OpenWithInvalidTimeout_ShowAssertion(self):
invalid_timeouts = [-1, '', []]
for invalid_timeout in invalid_timeouts:
with self.assertRaises(AssertionError):
AIIRQ(irq_channel, self.irq_handler, irq_number,
invalid_timeout, threshold, hysteresis, irq_type)
def test_OpenWithInvalidIrqType_ShowAssertion(self):
limits = {'min': 0, 'max': 1}
invalid_irq_types = [limits['min'] - 1, limits['max'] + 1, '', []]
for invalid_irq_type in invalid_irq_types:
with self.assertRaises(AssertionError):
AIIRQ(irq_channel, self.irq_handler, irq_number, timeout,
threshold, hysteresis, invalid_irq_type)
def test_OpenWithFallingEdgeAndWaitForInterrupt_IrqNumberWasAsserted(self):
irq_type = AIIRQType.FALLING
irq_thread = threading.Thread(target=self.__reading_thread,
args=(self.falling_array, ))
with AIIRQ(AIIRQChannel.AI0, self.__irq_handler, irq_number, timeout,
threshold, hysteresis, irq_type) as AI_IRQ:
irq_thread.start()
AI_IRQ.wait()
irq_thread.join()
self.assertTrue(self.success)
# specify the identifier of the interrupt to register
irq_number = IRQNumber.IRQ1
# specify the amount of time, in milliseconds, to wait for an interrupt to
# occur before timing out
timeout = 6000
# specify the value, in volts, that the signal must cross for the interrupt to
# occur
threshold = 1
# specify a window, in volts, above or below threshold. This program uses
# hysteresis to prevent false interrupt registration
hysteresis = 0.05
# specify whether to register an interrupt on the falling edge or rising
# edge of the analog input signal
irq_type = AIIRQType.RISING
# configure an analog input interrupt session
with AIIRQ(irq_channel, irq_handler, irq_number, timeout, threshold,
hysteresis, irq_type) as AI_IRQ:
# open the LED session
LED = LEDs()
# specify the LED which you want to control
led = Led.LED0
# specify the LED status
led_on_off = True
# create a thread to wait for the interrupt
irq_thread = threading.Thread(target=AI_IRQ.wait)
irq_thread.start()
# write values 50 times, which makes LED0 flash for 25 seconds
for x in range(0, 50):
# turn LED0 on or off
LED.write(led, led_on_off)