def __init__(self, port, deviceAddress, simPort=None):
"""Constructor.
:param port: The I2C port the device is connected to.
:param deviceAddress: The address of the device on the I2C bus.
:param simPort: This must be an object that implements all of
the i2c* functions from hal_impl that you use.
See ``test_i2c.py`` for an example.
"""
if hal.HALIsSimulation():
if simPort is None:
raise ValueError("You will need to use a mock for this i2c port, or provide a simPort implementation")
# Just check for basic functionality
assert hasattr(simPort, "i2CInitialize")
assert hasattr(simPort, "i2CClose")
self._port = (simPort, port)
else:
self._port = port
self.deviceAddress = deviceAddress
hal.i2CInitialize(self._port)
self.__finalizer = weakref.finalize(self, _freeI2C, self._port)
hal.HALReport(hal.HALUsageReporting.kResourceType_I2C, deviceAddress)
def __init__(self, port, deviceAddress, simPort=None):
"""Constructor.
:param port: The I2C port the device is connected to.
:param deviceAddress: The address of the device on the I2C bus.
:param simPort: This must be an object that implements all of
the i2c* functions from hal_impl that you use.
See ``test_i2c.py`` for an example.
"""
if hal.HALIsSimulation():
if simPort is None:
# If you want more functionality, implement your own mock
from hal_impl.i2c_helpers import I2CSimBase
simPort = I2CSimBase()
msg = "Using stub simulator for I2C port %s" % port
warnings.warn(msg)
# Just check for basic functionality
assert hasattr(simPort, 'i2CInitialize')
assert hasattr(simPort, 'i2CClose')
self._port = (simPort, port)
else:
self._port = port
self.deviceAddress = deviceAddress
hal.i2CInitialize(self._port)
self.__finalizer = weakref.finalize(self, _freeI2C, self._port)
hal.HALReport(hal.HALUsageReporting.kResourceType_I2C, deviceAddress)
def __init__(self, port, deviceAddress):
"""Constructor.
:param port: The I2C port the device is connected to.
:param deviceAddress: The address of the device on the I2C bus.
"""
self.port = port
self.deviceAddress = deviceAddress
hal.i2CInitialize(self.port)
self._i2c_finalizer = weakref.finalize(self, _freeI2C, self.port)
hal.HALReport(hal.HALUsageReporting.kResourceType_I2C, deviceAddress)
def __init__(self, port, deviceAddress):
"""Constructor.
:param port: The I2C port the device is connected to.
:param deviceAddress: The address of the device on the I2C bus.
"""
self.port = port
self.deviceAddress = deviceAddress
hal.i2CInitialize(self.port)
self._i2c_finalizer = weakref.finalize(self, _freeI2C, self.port)
hal.HALReport(hal.HALUsageReporting.kResourceType_I2C, deviceAddress)
def __init__(self, port, deviceAddress, simPort=None):
"""Constructor.
:param port: The I2C port the device is connected to.
:type port: :class:`.I2C.Port`
:param deviceAddress: The address of the device on the I2C bus.
:param simPort: This must be an object that implements all of
the i2c* functions from hal_impl that you use.
See ``test_i2c.py`` for an example.
"""
if port not in [self.Port.kOnboard, self.Port.kMXP]:
raise ValueError("Invalid value '%s' for I2C port" % port)
if hal.HALIsSimulation():
if simPort is None:
# If you want more functionality, implement your own mock
from hal_impl.i2c_helpers import I2CSimBase
simPort = I2CSimBase()
msg = "Using stub simulator for I2C port %s" % port
warnings.warn(msg)
# Just check for basic functionality
assert hasattr(simPort, 'i2CInitialize')
assert hasattr(simPort, 'i2CClose')
self._port = (simPort, port)
else:
self._port = port
self.deviceAddress = deviceAddress
hal.i2CInitialize(self._port)
self.__finalizer = weakref.finalize(self, _freeI2C, self._port)
hal.HALReport(hal.HALUsageReporting.kResourceType_I2C, deviceAddress)
