def __init__(self, port, simPort=None):
"""Constructor
:param port: the physical SPI port
:type port: :class:`.SPI.Port`
:param simPort: This must be an object that implements all of
the spi* functions from hal_impl that you use.
See ``test_spi.py`` for an example.
"""
if hal.HALIsSimulation():
if simPort is None:
raise ValueError("You will need to use a mock for this SPI port, or provide a simPort implementation")
# Just check for basic functionality
assert hasattr(simPort, 'spiInitialize')
assert hasattr(simPort, 'spiClose')
self._port = (simPort, port)
else:
self._port = port
self.bitOrder = 0
self.clockPolarity = 0
self.dataOnTrailing = 0
hal.spiInitialize(self._port)
self.__finalizer = weakref.finalize(self, _freeSPI, self._port)
SPI.devices += 1
hal.HALReport(hal.HALUsageReporting.kResourceType_SPI, SPI.devices)
def __init__(self, port):
"""Constructor
:param port: the physical SPI port
"""
self.port = port
self.bitOrder = 0
self.clockPolarity = 0
self.dataOnTrailing = 0
hal.spiInitialize(self.port)
self._spi_finalizer = weakref.finalize(self, _freeSPI, self.port)
SPI.devices += 1
hal.HALReport(hal.HALUsageReporting.kResourceType_SPI, SPI.devices)
def __init__(self, port, simPort=None):
"""Constructor
:param port: the physical SPI port
:type port: :class:`.SPI.Port`
:param simPort: This must be an object that implements all of
the spi* functions from hal_impl that you use.
See ``test_spi.py`` for an example.
"""
if port not in [self.Port.kOnboardCS0,
self.Port.kOnboardCS1,
self.Port.kOnboardCS2,
self.Port.kOnboardCS3,
self.Port.kMXP]:
raise ValueError("Invalid value '%s' for SPI port" % port)
if hal.HALIsSimulation():
if simPort is None:
# If you want more functionality, implement your own mock
from hal_impl.spi_helpers import SPISimBase
simPort = SPISimBase()
msg = "Using stub simulator for SPI port %s" % port
warnings.warn(msg)
# Just check for basic functionality
assert hasattr(simPort, 'spiInitialize')
assert hasattr(simPort, 'spiClose')
self._port = (simPort, port)
else:
self._port = port
self.bitOrder = 0
self.clockPolarity = 0
self.dataOnTrailing = 0
hal.spiInitialize(self._port)
self.__finalizer = weakref.finalize(self, _freeSPI, self._port)
SPI.devices += 1
hal.HALReport(hal.HALUsageReporting.kResourceType_SPI, SPI.devices)
def __init__(self, port, simPort=None):
"""Constructor
:param port: the physical SPI port
:type port: :class:`.SPI.Port`
:param simPort: This must be an object that implements all of
the spi* functions from hal_impl that you use.
See ``test_spi.py`` for an example.
"""
if port not in [
self.Port.kOnboardCS0, self.Port.kOnboardCS1,
self.Port.kOnboardCS2, self.Port.kOnboardCS3, self.Port.kMXP
]:
raise ValueError("Invalid value '%s' for SPI port" % port)
if hal.HALIsSimulation():
if simPort is None:
# If you want more functionality, implement your own mock
from hal_impl.spi_helpers import SPISimBase
simPort = SPISimBase()
msg = "Using stub simulator for SPI port %s" % port
warnings.warn(msg)
# Just check for basic functionality
assert hasattr(simPort, 'spiInitialize')
assert hasattr(simPort, 'spiClose')
self._port = (simPort, port)
else:
self._port = port
self.bitOrder = 0
self.clockPolarity = 0
self.dataOnTrailing = 0
hal.spiInitialize(self._port)
self.__finalizer = weakref.finalize(self, _freeSPI, self._port)
SPI.devices += 1
hal.HALReport(hal.HALUsageReporting.kResourceType_SPI, SPI.devices)
