def __init__(self,
name='gpib0',
pad=None,
sad=0,
timeout=gpib.T10s,
send_eoi=1,
eos_mode=0,
eot=True):
self._own = False
self.name = None
if isinstance(name, basestring):
self.id = gpib.find(name)
self.name = name
self._own = True
elif pad is None:
self.id = name
else:
self.id = gpib.dev(name, pad, sad, timeout, send_eoi, eos_mode)
self._own = True
if eot:
self.eot = True
else:
self.eot = False
if self._own:
self.get_status()
def start(self):
#print("initializing")
self.pm2812 = gpib.find("pm2812")
self.hp6633a = gpib.find("6633a")
#select channel 1 and enable
self.port = parallel.ParallelPort(address=0x0378)
gpib.write(self.pm2812,"INST:NSEL 1")
gpib.write(self.pm2812,"OUTP ON")
gpib.write(self.pm2812,"VOLT 0")
#select channel 2 and enable
gpib.write(self.pm2812,"INST:NSEL 2")
gpib.write(self.pm2812,"OUTP ON")
gpib.write(self.pm2812,"VOLT 0")
#select 6633a
gpib.write(self.hp6633a,"CLR")
gpib.write(self.hp6633a ,"VSET 0")
gpib.write(self.hp6633a,"OUTP ON")
self.enable = True
self.syncDio()
def __init__(self): # Flag for peak search self.peak_searched = False; # Try to find the gpib device. self.dev = gpib.find(self.gpib_lib_name); # Reset dev self.reset(); # Set to single sweep mode self.set_singlesweep();
def __init__(self, name = 'gpib0', pad = None, sad = 0, timeout = 13, send_eoi = 1, eos_mode = 0): self._own = False if isinstance(name, basestring): self.id = gpib.find(name) self._own = True elif pad is None: self.id = name else: self.id = gpib.dev(name, pad, sad, timeout, send_eoi, eos_mode) self._own = True
def __init__(self, name='gpib0', pad=None, sad=0, timeout=13, send_eoi=1, eos_mode=0):
self._own = False
try:
if isinstance(name, basestring):
self.id = gpib.find(name)
self._own = True
elif pad is None:
self.id = name
else:
self.id = gpib.dev(name, pad, sad, timeout, send_eoi, eos_mode)
self._own = True
except gpib.GpibError as msg:
print("error: could not open device ({name})".format(name=name))
print("libgpib: {msg}".format(msg=msg))
sys.exit(1)
def __init__(self,
name='gpib0',
pad=None,
sad=0,
timeout=13,
send_eoi=1,
eos_mode=0):
self._own = False
if isinstance(name, basestring):
self.id = gpib.find(name)
self._own = True
elif pad is None:
self.id = name
else:
self.id = gpib.dev(name, pad, sad, timeout, send_eoi, eos_mode)
self._own = True
def __init__(self, parent=None):
super(MinionAwg520, self).__init__(parent)
self.awg = gpib.find('awg520')
gpib.write(self.awg, '*RST')
gpib.write(self.awg, 'DISPLAY:BRIGHTNESS 0.1')
gpib.write(self.awg, ':ROSCILLATOR:SOURCE EXTERNAL')
gpib.write(self.awg, 'SOURCE1:MARKER1:DELAY 0')
gpib.write(self.awg, 'SOURCE1:MARKER1:VOLTAGE:LOW 0')
gpib.write(self.awg, 'SOURCE1:MARKER1:VOLTAGE:HIGH 1')
gpib.write(self.awg, 'SOURCE1:MARKER2:DELAY 0')
gpib.write(self.awg, 'SOURCE1:MARKER2:VOLTAGE:LOW 0')
gpib.write(self.awg, 'SOURCE1:MARKER2:VOLTAGE:HIGH 2')
gpib.write(self.awg, 'SOURCE2:MARKER1:DELAY 0')
gpib.write(self.awg, 'SOURCE2:MARKER1:VOLTAGE:LOW 0')
gpib.write(self.awg, 'SOURCE2:MARKER1:VOLTAGE:HIGH 1')
gpib.write(self.awg, 'SOURCE2:MARKER2:DELAY 0')
gpib.write(self.awg, 'SOURCE2:MARKER2:VOLTAGE:LOW 0')
gpib.write(self.awg, 'SOURCE2:MARKER2:VOLTAGE:HIGH 2')
def __init__(self, port='/dev/ttyUSB0', baudrate=1200,
calib=[-0.49125, 1.0613], Tident='LSCI,MODEL321', mode=0):
"""
initialize device connections and set up variables and constants
mode (0 = no change to DMM, 1 = update in torr, 2 = update in dens)
"""
# for the baratron reading and updating display
self.dmm = gpib.find('3478a')
self.__bytes__ = 32
# so that DMM knows to put something in the output buffer
gpib.read(self.dmm, self.__bytes__)
# for the temperature reading, many values hardcoded for
# Lakeshore 321 cryogenic temperature sensor
self.Tsensor = serial.Serial(port=port, baudrate=baudrate,
bytesize = 7, parity = 'O')
self.Tsensor.setTimeout(1)
self.Tsensor.flushInput()
self.Tsensor.write('*IDN?\n')
answer = self.Tsensor.readline()
if (re.match(Tident, answer) == None):
raise Exception, "LS321 ident string not matched"
# calibration factors consist of two numbers: voltage reading
# at vacuum, and voltage reading at 1 atm.
self.calib = calib
self.mode = mode
# some constants; declared here so that improved versions
# of front-ends could modify them.
self.atm = 760.0
self.unit='TORR'
self.pascalPerTorr = 133.322
self.boltzmann = 1.38065e-23
self.BGUnit='HE'
def setup(self):
self.dev = gpib.find('keithley')
#self.write('*RST')
self.write('DISP:CHAN 1')
self.write('SENS1:NPLC 1')
self.write('SENS1:AVER 3')
def __init__(self):
# defined in /etc/gpib.conf
self.fun_gen = gpib.find("hp33120A")
self.k230 = gpib.find("k230")
self.k236 = gpib.find("k236")
def setup(self):
self.dev = gpib.find('keithley')
#self.write('*RST')
self.write('DISP:CHAN 1')
self.write('SENS1:NPLC 1')
self.write('SENS1:AVER 3')
def __init__(self, name): self.device = gpib.find(name) self.read_length = self.DEFAULT_READ_LENGTH
commands = []
# EXCLUDE ALL COMMENTED LINES
for line in cflines:
if line == '':
continue
elif line[0] == '#':
continue
else:
commands.append(line)
# IMPORT NEEDED MODULES
import gpib
# OPENING GPIB DEVICE (LASER)
herring = gpib.find("laser")
# SENDING COMMANDS TO DEVICE
for comm in commands:
gpib.write(herring, comm)
# DISPLAY SETTINGS
print('========================')
print(' NEW SETTINGS ')
print('========================')
for comm in commands:
gpib.write(herring, comm.split()[0] + ' ' + comm.split()[1])
print(
str(gpib.read(herring, 1024)).replace('b\'', '').replace('\\r\'', ''))
print('========================')
#! /usr/bin/env python
#monitor current
import gpib, time, sys
from datetime import datetime
path = '.'
ncycle = 100000
nmeas = 10
interval = 60 #secondo
microampere = 1.e6
index = 0
#connect to picoammeter
picoam = gpib.find("picoammeter")
#initialize
print('initialize picoammeter')
gpib.write(picoam, "*RST") #reset settings
gpib.write(picoam, "SYST:ZCH ON") #zero check
gpib.write(picoam, "RANGE 2e-2") #set current range. -0.021-0.021 A
gpib.write(picoam, "RANGE:AUTO OFF") #change current range manually
gpib.write(picoam, "INIT") #read value of zero correction
gpib.write(picoam, "SYST:ZCOR:ACQ") #acquire value of zero correction
gpib.write(picoam, "SYST:ZCOR ON") #zero correction
gpib.write(picoam, "SYST:ZCOR OFF")
gpib.write(picoam, "SYST:ZCH OFF")
#turn on HV
gpib.write(picoam,
"SOUR:VOLT:RANG 500") #set voltage range. (only 10, 50, 500 V)
# -*- coding: utf-8 -*-
"""
author: ashish
license: GPL v3.0
brief: Interfacing of Amplifier Research 200T8G18A 250W Microwave amplifier and
R&S RF and Microwave Signal Generator using GPIB.
pre: python gpib packge must be installed first. Download it from:
http://sourceforge.net/projects/linux-gpib/files/
Ref: http://cdn.rohde-schwarz.com/pws/dl_downloads/dl_application/application_notes/1gp79/1GP79_1E_SCPI_Programming_Guide_SigGens.pdf
"""
import gpib
import time
rfAmp = gpib.find("fCtr") # define in /etc/gpib.conf
sigGen = gpib.find("pMtr")
def query(handle, command, numbytes=100):
gpib.write(handle, command)
time.sleep(0.1)
response = gpib.read(handle, numbytes)
return response
print "Connected to,"
print query(rfAmp, "*IDN?")
print query(sigGen, "*IDN?")
print "RF Forward Power", query(rfAmp, "RDPOD")
print "RF Reverse Power", query(rfAmp, "RDPRD")
import gpib
import time
def query(handle, command, numbytes=100):
gpib.write(handle, command)
time.sleep(0.1)
response = gpib.read(handle, numbytes)
return response
awg = gpib.find('awg520')
try:
identity = query(awg, '*IDN?')
print(identity.decode('utf-8'))
answer = query(awg, "SOURce:VOLTage:AMPLitude?")
print(float(answer))
answer = gpib.write(awg, "DISPLAY:BRIGHTNESS 0.1")
print((answer))
gpib.close(awg)
except:
print('oops')
gpib.close(awg)
print(powerliststring)
# print(freqlistreversedstring)
print(':FREQ '+str(np.mean(freqlist)))
print(':POW '+str(np.mean(powerlist))+'dBm')
#connect fpga and smiq
counter = serial.Serial('/dev/ttyUSB3', baudrate=4000000, parity=serial.PARITY_NONE, stopbits=serial.STOPBITS_ONE, timeout=1)
fpgaclock = 80*10**6 # in Hz
counttime_bytes = (int(0.005*fpgaclock)).to_bytes(4, byteorder='little')
counter.write(b'T'+counttime_bytes) # set counttime at fpga
counter.write(b't') # check counttime
check_counttime = int.from_bytes(counter.read(4), byteorder='little')/fpgaclock
print('\t fpga counttime:', check_counttime)
print('\t counter connected')
smiq = gpib.find('smiq06b')
# enable triggered counting
counterbins = res.to_bytes(2, byteorder='little')
counter.write(b'B'+counterbins) #SetNumberOfTriggeredCountingBins
triggermask = 8
triggerinvertmask = 8
counter.write(b'M'+(8).to_bytes(1, byteorder='little')) #SetTriggerMask
counter.write(b'Q'+(8).to_bytes(1, byteorder='little')) #SetTriggerinvertedMask
counter.write(b'K'+(1).to_bytes(4, byteorder='little')) #SetTriggeredCountingBinRepetitions
counter.write(b'0') #ResetTriggeredCountingData
counter.write(b'R') #EnableTriggeredCounting
def __init__(self, name='gpib0', eot=True):
self.id = gpib.find(name)
if eot:
self.eot = True
else:
self.eot = False
def connect(self):
self.smiq = gpib.find('smiq06b')
gpib.write(self.smiq, '*RST')
print('smiq connected')