def __init__(self, port='/dev/ttyS0'):
Pyro.core.ObjBase.__init__(self)
self.valon = Synthesizer(port)
self.vs = vegas_status()
self.dbuf2 = vegas_databuf(2)
self.dbuf3 = vegas_databuf(3)
self.running = True
class VegasServer(Pyro.core.ObjBase):
def __init__(self,port='/dev/ttyS0'):
Pyro.core.ObjBase.__init__(self)
self.valon = Synthesizer(port)
# get instance_id somehow
self.vs = vegas_status(instance_id)
self.dbuf2 = vegas_databuf(2)
self.dbuf3 = vegas_databuf(3)
self.running = True
def getTime(self):
return time.time()
def getSynthRefFreq(self):
return self.valon.get_reference()
def setSynthFreq(self,freq,chan_spacing=2.0):
resA = self.valon.set_frequency(SYNTH_A,freq,chan_spacing=chan_spacing)
resB = self.valon.set_frequency(SYNTH_B,freq,chan_spacing=chan_spacing)
return resA,resB
def getSynthFreq(self):
fA = self.valon.get_frequency(SYNTH_A)
fB = self.valon.get_frequency(SYNTH_B)
return fA,fB
def getSynthLocked(self):
resA = self.valon.get_phase_lock(SYNTH_A)
resB = self.valon.get_phase_lock(SYNTH_B)
return resA,resB
def initShmem(self):
pass
def setParams(self,**kwargs):
self.vs.read()
for k,v in kwargs.items():
self.vs.update(k,v)
self.vs.write()
def getParam(self,param=None):
self.vs.read()
if param:
return {param:self.vs[param]}
else:
return dict(self.vs.items())
def updateFromGBT(self):
self.vs.read()
self.vs.update_with_gbtstatus()
self.vs.write()
def getData(self,block=0,buf=2):
if buf == 2:
return self.dbuf2.data(block)
else:
return self.dbuf3.data(block)
def quit(self):
self.running = False
def __init__(self):
Pyro.core.ObjBase.__init__(self)
try:
Synthesizer.__init__(self,config.serialPortMap['Valon'])
except:
corelog.exception("Couldn't open Valon serial port")
return
self.conn.setTimeout(1)
self.setup()
def __init__(self,port='/dev/ttyS0'):
Pyro.core.ObjBase.__init__(self)
self.valon = Synthesizer(port)
self.vs = vegas_status()
self.dbuf2 = vegas_databuf(2)
self.dbuf3 = vegas_databuf(3)
self.running = True
class VegasServer(Pyro.core.ObjBase):
def __init__(self, port='/dev/ttyS0'):
Pyro.core.ObjBase.__init__(self)
self.valon = Synthesizer(port)
# get instance_id somehow
self.vs = vegas_status(instance_id)
self.dbuf2 = vegas_databuf(2)
self.dbuf3 = vegas_databuf(3)
self.running = True
def getTime(self):
return time.time()
def getSynthRefFreq(self):
return self.valon.get_reference()
def setSynthFreq(self, freq, chan_spacing=2.0):
resA = self.valon.set_frequency(SYNTH_A,
freq,
chan_spacing=chan_spacing)
resB = self.valon.set_frequency(SYNTH_B,
freq,
chan_spacing=chan_spacing)
return resA, resB
def getSynthFreq(self):
fA = self.valon.get_frequency(SYNTH_A)
fB = self.valon.get_frequency(SYNTH_B)
return fA, fB
def getSynthLocked(self):
resA = self.valon.get_phase_lock(SYNTH_A)
resB = self.valon.get_phase_lock(SYNTH_B)
return resA, resB
def initShmem(self):
pass
def setParams(self, **kwargs):
self.vs.read()
for k, v in kwargs.items():
self.vs.update(k, v)
self.vs.write()
def getParam(self, param=None):
self.vs.read()
if param:
return {param: self.vs[param]}
else:
return dict(self.vs.items())
def updateFromGBT(self):
self.vs.read()
self.vs.update_with_gbtstatus()
self.vs.write()
def getData(self, block=0, buf=2):
if buf == 2:
return self.dbuf2.data(block)
else:
return self.dbuf3.data(block)
def quit(self):
self.running = False
parser.add_option("--save",
action="store_true",
dest="save",
default=False,
help="Save configuration on internal flash memory")
parser.add_option("--channel",
action="store",
dest="channel",
default="A",
help="Synth Channel (def: 'A')")
(options, args) = parser.parse_args()
try:
sync = Sync("/dev/ttyUSB0")
print "\nSuccessfully connected to the Valon Synthesizer on port /dev/ttyUSB0\n"
except:
print "\nCannot connect to the Valon Synthesizer on port /dev/ttyUSB0\n"
exit(0)
if not options.freq == 0:
if options.channel.upper() == "A":
print "Setting Synth A to " + str(options.freq) + " MHz"
sync.set_frequency(SYNTH_A, int(options.freq))
else:
print "Setting Synth B to " + str(options.freq) + " MHz"
sync.set_frequency(SYNTH_B, int(options.freq))
if options.reference == "external":
sync.set_ref_select(EXT_REF)
#!/bin/env python
import sys
import argparse
from valon_synth import Synthesizer, SYNTH_A, SYNTH_B
parser = argparse.ArgumentParser(
description='Get Frequency of Valon Synthesizer')
parser.add_argument('dev',
help='The device file of Valon, usally /dev/ttyUSBn')
opts = parser.parse_args()
syn = Synthesizer(opts.dev)
print('A: %f %d' % (syn.get_frequency(SYNTH_A), syn.get_rf_level(SYNTH_A)))
print('B: %f %d' % (syn.get_frequency(SYNTH_B), syn.get_rf_level(SYNTH_B)))
type=int,
choices=[-4, -1, 2, 5],
help='RF output level in dBm')
parser.add_argument('-s', '--store', action='store_true')
opts = parser.parse_args()
if _VERBOSE:
print('Device: ' + opts.dev)
print('Port: ' + opts.port)
print('Frequency: %dMHz' % opts.freq)
print('Out level: %ddBm' % opts.level)
if opts.port == 'A':
synth = SYNTH_A
else:
synth = SYNTH_B
syn = Synthesizer(opts.dev)
syn.set_frequency(synth, opts.freq)
print(syn.get_frequency(synth))
if opts.level != None:
syn.set_rf_level(synth, opts.level)
print(syn.get_rf_level(synth))
if opts.store:
print('Storing into flash memory ... '),
syn.flash()
print('Done.')
def __init__(self, synth, port, restore=False):
try:
Synthesizer.__init__(self, port)
except valon_synth.serial.SerialException as err:
raise RuntimeError("Unable to open serial port.\nError MSG:\n%s" %
err)
except:
raise
# Add usage instructions for parent call functions
self.get_vco_range.__func__.__doc__ = "\
\nReturn the minimum and maximum frequency range of the selected synthesizer VCO. \
\nThe VCO Frequency Range information is used to limit and check the resulting VCO output frequency, \
\nentered in the set frequency request function. \
\n\t@param synth String: Synthesizer name \
\n\t@return List: (lowest VCO output frequency, highest VCO output frequency) in MHz \
\n"
self.set_vco_range.__func__.__doc__ = "\
\nSet the minimum and maximum frequency range of the selected synthesizer VCO. \
\n\t@param synth String: Synthesizer name \
\n\t@param min Int: The lowest VCO output frequency (MHz) that may be set \
\n\t@param max Int: The highest VCO output frequency (MHz) that may be set \
\n\t@return Boolean: Reply message indicating success. \
\n"
self.get_frequency.__func__.__doc__ = "\
\nReturn the current VCO output frequency for the selected synthesizer. \
\n\t@param synth String: Synthesizer name \
\n\t@return Float: Synthesizer output frequency (MHz) \
\n"
self.set_frequency.__func__.__doc__ = "\
\nRequest to set the desired frequency (MHz) for the selected synthesizer. \
\nThis is will cause the registers synthesizer to be updated and the new frequency generated. \
\nThe resulting output frequency must be within the range specified in the frequency range. \
\n\t@param synth String: Synthesizer name \
\n\t@param freq Int: Desired frequency (MHz) \
\n\t@param chan_spacing Float: Frequency Increment (KHz) to set required output frequency resolution \
\n\t@return Boolean: Reply message indicating success. \
\n"
self.get_reference.__func__.__doc__ = "\
\nRequest the input frequency of the reference oscillator. \
\n\t@param No input parameters \
\n\t@return Int: Reference input frequency (Hz) \
\n"
self.set_reference.__func__.__doc__ = "\
\nSet the input frequency of the reference oscillator. \
\nThis value must be between 5 MHz and 150 MHz according to the 5007 datasheet. \
\n\t@param freq Int: Reference input frequency (Hz) \
\n\t@return Boolean: Reply message indicating success. \
\n"
self.get_rf_level.__func__.__doc__ = "\
\nReturns the current output power level: -4, -1, 2, 5 \
\n\t@param synth String: Synthesizer name \
\n\t@return Int: Ouput power level \
\n"
self.set_rf_level.__func__.__doc__ = "\
\nAllows user to select one of four output power levels: -4, -1, 2, 5 \
\nThese levels corresponds approximately to some preset output power. \
\n\t@param synth String: Synthesizer name \
\n\t@param rf_level Int: Ouput power level \
\n\t@return Boolean: Reply message indicating success. \
\n"
self.get_ref_select.__func__.__doc__ = "\
\nReturns the currently selected reference clock. \
\n\t@param No input parameters \
\n\t@return Int: 1 for external reference and 0 otherwise \
\n"
self.set_ref_select.__func__.__doc__ = "\
\nSelects either internal or external reference clock. \
\n\t@parameter e_not_i Int: 1 for external reference and 0 for internal reference \
\n\t@return Boolean: Reply message indicating success. \
\n"
self.get_label.__func__.__doc__ = "\
\nRead the assigned synthesizer name. \
\n\t@param synth String: Synthesizer name \
\n\t@return String: Assigned synthesizer name \
\n"
self.set_label.__func__.__doc__ = "\
\nLabel the selected synthesizer to suit your application, if desired. \
\nThe maximum length of a name is 16 characters. \
\n\t@param synth String: Synthesizer name \
\n\t@param label String: Synthesizer alias to assign\
\n\t@return Boolean: Reply message indicating success. \
\n"
self.get_phase_lock.__func__.__doc__ = " \
\n Return the VCO lock status of the selected synthesizer. \
\n\t@param synth String: Synthesizer name \
\n\t@return Boolean: Reply message indicating VCO lock status. \
\n"
self.flash.__func__.__doc__ = "\
\nWrite setup parameters to non-volatile flash memory in the microcontroller board. \
\nThe next time the board is powered up, the registers will be set to the values in the non-volatile flash memory. \
\nIf the board is powered down before the write flash command command is issued, all the data in the registers will be lost. \
\n\t@param No input parameters \
\n\t@return Boolean: Reply message indicating parameters written to flash. \
\n"
self.get_options.__func__.__doc__ = "\
\nOptional VCO Settings \
\n\tprint synth.get_options(valon_synth.SYNTH_B) \
\nOutput a list of 4 parameters, which can be 0 (disabled) or 1(enabled) \
\ndouble: The reference doubler is used to enable a multiply by 2 function before the internal reference divider. \
\n\tEnable the doubler when using a 5 MHz external reference frequency. \
\n\tWhen using the internal 10 MHz reference the doubler should be disabled. \
\nhalf: The reference divide by 2 is used to enable a divide by 2 function after the intercal reference divider. \
\n\tWhen enabled, the input to phase-frequency detector will have a 50% duty cycle which will allow for faster lock up time. \
\n\tIn order to use this mode a 20 MHz external reference would have to be available. \
\n\tFor normal operations set the reference div by 2 to disabled. \
\nr: ?? \
\nspur: Low noise mode vs Low spur mode. \
\n\tLow noise mode affects the operation of the fractional synthesizer, \
\n\tand this mode will produce the lowest phase noise but there may be some spurious output signals. \
\n\tLow spur mode will reduce spurious output response but the overall phase noise will be higher. \
\n"
self.set_options.__func__.__doc__ = "\
\nOptional VCO Settings for a specified synthesizer \
\nOutput a list of 4 parameters, which can be 0 (disabled) or 1(enabled) \
\ndouble: The reference doubler is used to enable a multiply by 2 function before the internal reference divider. \
\n\tEnable the doubler when using a 5 MHz external reference frequency. \
\n\tWhen using the internal 10 MHz reference the doubler should be disabled. \
\nhalf: The reference divide by 2 is used to enable a divide by 2 function after the intercal reference divider. \
\n\tWhen enabled, the input to phase-frequency detector will have a 50% duty cycle which will allow for faster lock up time. \
\n\tIn order to use this mode a 20 MHz external reference would have to be available. \
\n\tFor normal operations set the reference div by 2 to disabled. \
\nr: ?? \
\nspur: Low noise mode vs Low spur mode. \
\n\tLow noise mode affects the operation of the fractional synthesizer, \
\n\tand this mode will produce the lowest phase noise but there may be some spurious output signals. \
\n\tLow spur mode will reduce spurious output response but the overall phase noise will be higher. \
\n"
if not restore:
## Set valon to use internal reference clock
if self.get_ref_select() == "1":
self.set_rf_select(e_not_i=0)
## Set frequency to 2.4 GHz
self.set_frequency(synth, freq=2465)
## Set rf level to be minimum available
self.set_rf_level(synth, -4)
self.synth = synth