def setUpClass(self):
ThunderBorg.DEFAULT_I2C_ADDRESS = 0x15
ThunderBorg.set_i2c_address(ThunderBorg.DEFAULT_I2C_ADDRESS)
tb = ThunderBorg()
tb.halt_motors()
tb.set_both_leds(0, 0, 0)
tb.set_led_battery_state(False)
tb.set_comms_failsafe(False)
tb.write_external_led_word(0, 0, 0, 0)
def test_set_i2c_address_with_address_range_invalid(self):
"""
Test that an exception is raised when the address is out of
range.
"""
new_addr = 0x78
with self.assertRaises(ThunderBorgException) as cm:
ThunderBorg.set_i2c_address(new_addr)
def test_config_with_auto_set_address(self):
"""
Test that ``auto_set_addr`` if set to ``True`` causes the API to
find the first valid board and configure itself to that board.
"""
# First change the board address so it cannot be found at the
# default address.
new_addr = 0x70
ThunderBorg.set_i2c_address(new_addr)
# Now instantiate ThunderBorg.
tb = ThunderBorg(logger_name=self._LOG_FILENAME,
log_level=logging.DEBUG,
auto_set_addr=True)
def test_set_i2c_address_without_current_address(self):
"""
Test that the ThunderBorg.set_i2c_address() can set a different
address. Scans address range to find current address.
"""
# Set a new address
new_addr = 0x70
ThunderBorg.set_i2c_address(new_addr)
found = ThunderBorg.find_board()
found = found[0] if found else 0
msg = "Found address '0x{:02X}', should be '0x{:02X}'.".format(
found, new_addr)
self.assertEqual(found, new_addr, msg)
def test_set_i2c_address_with_current_address(self):
"""
Test that the ThunderBorg.set_i2c_address() can set a different
address. The current address is provided.
"""
# Set a new address
new_addr = 0x70
cur_addr = ThunderBorg.DEFAULT_I2C_ADDRESS
ThunderBorg.set_i2c_address(new_addr, cur_addr=cur_addr)
found = ThunderBorg.find_board()
found = found[0] if found else 0
msg = "Found address '0x{:02X}', should be '0x{:02X}'.".format(
found, new_addr)
self.assertEqual(found, new_addr, msg)
def tearDown(self):
ThunderBorg.set_i2c_address(ThunderBorg.DEFAULT_I2C_ADDRESS)