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AWG570002Adavid.py
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import struct
import warnings
import numpy as np
import array as arr
from time import sleep, localtime
from io import BytesIO
from qcodes import VisaInstrument, validators as vals
from pyvisa.errors import VisaIOError
class Tektronix_AWG700002A(VisaInstrument):
def __init__(self, name, address, **kwargs):
timeout = 1
super().__init__(name, address, timeout=timeout, **kwargs)
for i in range(1, 3):
outputstate_cmd = 'OUTPut{}:STATe'.format(i)
amplitude_cmd = 'FGEN:CHANnel{}:AMPLitude'.format(i)
frequency_cmd = 'FGEN:CHANnel{}:FREQuency'.format(i)
dclevel_cmd = 'FGEN:CHANnel{}:DCLevel'.format(i)
highvoltage_cmd = 'FGEN:CHANnel{}:HIGH'.format(i)
lowvoltage_cmd = 'FGEN:CHANnel{}:LOW'.format(i)
offset_cmd = 'FGEN:CHANnel{}:OFFSet'.format(i)
period_cmd = 'FGEN:PERiod?'.format(i)
phase_cmd = 'FGEN:CHANnel{}:PHASe'.format(i)
symmetry_cmd = 'FGEN:CHANnel{}:SYMMetry'.format(i)
type_cmd = 'FGEN:CHANnel{}:TYPE'.format(i)
self.add_parameter('ch{}_state'.format(i),
label='Channel {} state'.format(i),
get_cmd=outputstate_cmd + '?',
set_cmd=outputstate_cmd + ' {}',
vals=vals.Ints(0,1),
get_parser=float)
self.add_parameter('ch{}_amplitude'.format(i),
label='Channel {} amplitude'.format(i),
get_cmd=amplitude_cmd + '?',
set_cmd=amplitude_cmd + ' {}',
vals=vals.Numbers(0, 0.5),
get_parser=float)
self.add_parameter('ch{}_frequency'.format(i),
label='Channel {} frequency'.format(i),
get_cmd=frequency_cmd + '?',
set_cmd=frequency_cmd + ' {:E}',
vals=vals.Numbers(1, 50000000),
get_parser=float)
self.add_parameter('ch{}_dclevel'.format(i),
label='Channel {} DC level'.format(i),
get_cmd=dclevel_cmd + '?',
set_cmd=dclevel_cmd + ' {}',
vals=vals.Numbers(-0.25, 0.25),
get_parser=float)
self.add_parameter('ch{}_highvoltage'.format(i),
label='Channel {} High Voltage'.format(i),
get_cmd=highvoltage_cmd + '?',
set_cmd=highvoltage_cmd + ' {}',
vals=vals.Numbers(-0.25, 0.25),
get_parser=float)
self.add_parameter('ch{}_lowvoltage'.format(i),
label='Channel {} Low Voltage'.format(i),
get_cmd=lowvoltage_cmd + '?',
set_cmd=lowvoltage_cmd + ' {}',
vals=vals.Numbers(-0.25, 0.25),
get_parser=float)
self.add_parameter('ch{}_offset'.format(i),
label='Channel {} amplitude'.format(i),
get_cmd=offset_cmd + '?',
set_cmd=offset_cmd + ' {}',
vals=vals.Numbers(-0.25, 0.25),
get_parser=float)
self.add_parameter('ch{}_period'.format(i),
label='Channel {} Period'.format(i),
get_cmd=period_cmd + '?',
get_parser=float)
self.add_parameter('ch{}_phase'.format(i),
label='Channel {} Phase'.format(i),
get_cmd=phase_cmd + '?',
set_cmd=phase_cmd + ' {}',
vals=vals.Numbers(-180.0,180.0),
get_parser=float)
self.add_parameter('ch{}_symmetry'.format(i),
label='Channel {} Symmetry'.format(i),
get_cmd=symmetry_cmd + '?',
set_cmd=symmetry_cmd + ' {}',
vals=vals.Numbers(0, 100),
get_parser=float)
self.add_parameter('ch{}_type'.format(i),
label='Channel {} Function Type'.format(i),
get_cmd=type_cmd + '?',
set_cmd=type_cmd + ' {}',
vals=vals.Enum(('SINE','SQU', 'TRI', 'NOIS', 'DC', 'GAUS', 'EXPR', 'EXPD', 'NONE')))
def all_channels_on(self):
for i in range(1, 3):
self.set('ch{:d}_state'.format(i), 1)
def all_channels_off(self):
for i in range(1, 3):
self.set('ch{}_state'.format(i), 0)