def output(self, c, name = None, state = None):
"""To turn off and on the dds. Turning off the DDS sets the frequency and amplitude
to the off_parameters provided in the configuration.
"""
if self.ddsLock and state is not None:
raise dds_access_locked()
channel = self._getChannel(c, name)
if state is not None:
yield self._setOutput(channel, state)
channel.state = state
self.notifyOtherListeners(c, (name, 'state', channel.state), self.on_dds_param)
returnValue(channel.state)
def frequency(self, c, name = None, frequency = None):
"""Get or set the frequency of the named channel or the selected channel"""
#get the hardware channel
if self.ddsLock and frequency is not None:
raise dds_access_locked()
channel = self._getChannel(c, name)
if frequency is not None:
#setting the frequency
frequency = frequency['MHz']
self._checkRange('frequency', channel, frequency)
if channel.state:
#only send to hardware if the channel is on
yield self._setFrequency(channel, frequency)
channel.frequency = frequency
self.notifyOtherListeners(c, (name, 'frequency', channel.frequency), self.on_dds_param)
frequency = WithUnit(channel.frequency, 'MHz')
returnValue(frequency)
def amplitude(self, c, name = None, amplitude = None):
"""Get or set the amplitude of the named channel or the selected channel"""
#get the hardware channel
if self.ddsLock and amplitude is not None:
raise dds_access_locked()
channel = self._getChannel(c, name)
if amplitude is not None:
#setting the ampplitude
amplitude = amplitude['dBm']
self._checkRange('amplitude', channel, amplitude)
if channel.state:
#only send to hardware if the channel is on
yield self._setAmplitude(channel, amplitude)
channel.amplitude = amplitude
self.notifyOtherListeners(c, (name, 'amplitude', channel.amplitude), self.on_dds_param)
amplitude = WithUnit(channel.amplitude, 'dBm')
returnValue(amplitude)
def movinglattice(self, c, parameter = None, returns = None):
"""set parameters for moving lattice"""
#get the hardware channel
if self.ddsLock and parameter is not None:
raise dds_access_locked()
channel = self._getChannel(c, 'Moving Lattice')
if parameter is not None:
#self._checkRange('frequency', channel, frequency)
if channel.state:
#only send to hardware if the channel is on
yield self._setMovingLatticeParameter(channel, parameter)
channel.lattice_parameter = parameter
#channel.t2 = parameter
self.notifyOtherListeners(c, ('Moving Lattice', 'parameter', channel.lattice_parameter), self.on_dds_param)
param = channel.lattice_parameter
print "param is", param
returnValue(param)
def frequency(self, c, name=None, frequency=None):
"""Get or set the frequency of the named channel or the selected channel"""
#get the hardware channel
if self.ddsLock and frequency is not None:
raise dds_access_locked()
channel = self._getChannel(c, name)
if frequency is not None:
#setting the frequency
frequency = frequency['MHz']
self._checkRange('frequency', channel, frequency)
if channel.state:
#only send to hardware if the channel is on
yield self._setFrequency(channel, frequency)
channel.frequency = frequency
self.notifyOtherListeners(c,
(name, 'frequency', channel.frequency),
self.on_dds_param)
frequency = WithUnit(channel.frequency, 'MHz')
returnValue(frequency)
def amplitude(self, c, name=None, amplitude=None):
"""Get or set the amplitude of the named channel or the selected channel"""
#get the hardware channel
if self.ddsLock and amplitude is not None:
raise dds_access_locked()
channel = self._getChannel(c, name)
if amplitude is not None:
#setting the ampplitude
amplitude = amplitude['dBm']
self._checkRange('amplitude', channel, amplitude)
if channel.state:
#only send to hardware if the channel is on
yield self._setAmplitude(channel, amplitude)
channel.amplitude = amplitude
self.notifyOtherListeners(c,
(name, 'amplitude', channel.amplitude),
self.on_dds_param)
amplitude = WithUnit(channel.amplitude, 'dBm')
returnValue(amplitude)
def movinglattice(self, c, parameter=None, returns=None):
"""set parameters for moving lattice"""
#get the hardware channel
if self.ddsLock and parameter is not None:
raise dds_access_locked()
channel = self._getChannel(c, 'Moving Lattice')
if parameter is not None:
#self._checkRange('frequency', channel, frequency)
if channel.state:
#only send to hardware if the channel is on
yield self._setMovingLatticeParameter(channel, parameter)
channel.lattice_parameter = parameter
#channel.t2 = parameter
self.notifyOtherListeners(
c, ('Moving Lattice', 'parameter', channel.lattice_parameter),
self.on_dds_param)
param = channel.lattice_parameter
print "param is", param
returnValue(param)
