def test_poll_int_async(self):
device = MCP23017(1, 0x20)
def f_1(pin):
print("{} Interrupt on pin {}".format(f_1.c, pin))
f_1.c += 1
pin = "A_0"
device.set_pin_dir(pin, 1)
device.set_pin_intcon(pin, 1)
device.set_pin_def_val(pin, 0)
device.set_pin_int(pin, 1)
device.set_pin_debounce(pin, 200)
f_1.c = 0
device.set_int_handl_func(pin, f_1, pin)
def f(pin):
print("{} Interrupt on pin {}".format(f.c, pin))
f.c += 1
pin = "A_1"
device.set_pin_dir(pin, 1)
device.set_pin_intcon(pin, 1)
device.set_pin_def_val(pin, 0)
device.set_pin_int(pin, 1)
device.set_pin_debounce(pin, 200)
f.c = 0
device.set_int_handl_func(pin, f, pin)
device.poll_int_async(['A_0', 'A_1'])
time.sleep(5)
device.poll_int_async(['A_0', 'A_1'])
device.stop_poll_int_async()
def test_read_write(self):
device = MCP23017(1, 0x20)
device.set_pin_dir("A_0", 0)
device.write("A_0", 1)
self.assertEqual(device.read("A_0"), 1, "Should be 1")
device.write("A_0", 0)
self.assertEqual(device.read("A_0"), 0, "Should be 0")
def test_set_pin_pull_up(self):
device = MCP23017(1, 0x20)
device.set_pin_pull_up("A_0", 0)
device.set_pin_pull_up("A_1", 0)
device.set_pin_pull_up("B_5", 1)
self.assertEqual(device.get_pin_pull_up("A_0"), 0, "Should be 0")
self.assertEqual(device.get_pin_pull_up("A_1"), 0, "Should be 0")
self.assertEqual(device.get_pin_pull_up("B_5"), 1, "Should be 1")
def test_set_pin_dir(self):
device = MCP23017(1, 0x20)
device.set_pin_dir("A_0", 0)
device.set_pin_dir("A_1", 0)
device.set_pin_dir("B_5", 0)
self.assertEqual(device.get_pin_dir("A_0"), 0, "Should be 0")
self.assertEqual(device.get_pin_dir("A_1"), 0, "Should be 0")
self.assertEqual(device.get_pin_dir("B_5"), 0, "Should be 0")
def test_wait_for_edge(self):
device = MCP23017(1, 0x20)
pin = "A_0"
device.set_pin_dir(pin, 1)
device.set_pin_intcon(pin, 1)
device.set_pin_def_val(pin, 0)
val = device.wait_pin_for_edge(pin)
self.assertEqual(val, 1, "Should be 1")
val = device.wait_pin_for_edge(pin, timeout=2000)
self.assertEqual(val, 0, "Should be 0")
def test_set_bank(self):
device = MCP23017(1, 0x20)
device.hardware_interfaces[device._i2c].write(device._address,
device.IODIRB, 100)
d = device.hardware_interfaces[device._i2c].read(
device._address, device.IODIRB)
self.assertEqual(device.IODIRB, 0x01, "Should be {}".format(0x01))
self.assertEqual(d, 100, "Should be {}".format(100))
device.set_bank(1)
d = device.hardware_interfaces[device._i2c].read(
device._address, device.IODIRB)
self.assertEqual(device.IODIRB, 0x10, "Should be {}".format(0x10))
self.assertEqual(d, 100, "Should be {}".format(100))
def test_set_intpol(self):
device = MCP23017(1, 0x20)
device.set_intpol(0)
self.assertEqual(device.get_intpol(), 0, "Should be 0")
device.set_intpol(1)
self.assertEqual(device.get_intpol(), 1, "Should be 1")
def test_set_bank(self):
device = MCP23017(1, 0x20)
device.set_bank(0)
self.assertEqual(device.get_bank(), 0, "Should be 0")