Пример #1
0
 def __init__(self, params):
     '''
     Constructor
     '''
     # Importar librerias para manejo de protocolos VISA
     from pyvisa.vpp43 import visa_library
     visa_library.load_library( "visa32.dll" )
     import visa
     self.multimeter = visa.instrument( 'USB0::2391::1543::my47030898::0' )
     self.name="AG34410A"
Пример #2
0
#

from pyvisa.vpp43 import visa_library
from pyvisa.visa_exceptions import VisaIOError
visa_library.load_library("/Library/Frameworks/Visa.framework/VISA")
import visa
import sys
import time


class ScopeException(Exception):
    """Just an exception class
    """
    def __init__(self, error):
        Exception.__init__(self, error)


def chstr(channel):
    """Function to convert channel to the appropriate string.
    
    Only needed where a function can be used for either math/channel types.
    """
    if type(channel) is int:
        return "C%01d" % channel
    elif type(channel) is str:
        return "T%s" % channel
    else:
        raise ScopeException("Unknown channel type")


class LeCroy684(object):
Пример #3
0
#!/usr/bin/env python
#
# scope_connections.py
#
# This code opens the connection to send and recieve from a scope
#
# Author P G Jones - 28/05/2013 <*****@*****.**> : First revision
#################################################################################################### 
try:
    from pyvisa.vpp43 import visa_library, visa_exceptions
    visa_library.load_library("/Library/Frameworks/Visa.framework/VISA") # Mac specific??
    import visa
except ImportError:
    print "No VISA/pyVISA software installed, cannot use VisaUSB"

import socket

class VisaUSB(object):
    """ Connect via visa/usb."""
    def __init__(self):
        """ Try the default connection."""
        try:
            for instrument in visa.get_instruments_list():
                if instrument[0:3] == "USB":
                    self._connection = visa.instrument(instrument)
                    print "Connecting to", instrument
                    print "Which has identity:", self.ask("*idn?") # Ask the scope for its identity
        except visa_exceptions.VisaIOError:
            print "Cannot connect to any instrument."
            raise
    def send(self, command):
Пример #4
0
# Find the machine and define it. 
from pyvisa.vpp43 import visa_library
visa_library.load_library(r"C:\Windows\System32\visa32.dll")
import visa
instr = visa.instrument("GPIB3::17::INSTR")

import os
import time
from IPython.core.display import Javascript

def UI():
    """This is a Javascript UI dynamically created by JQuery for the
    HP4192A impedance analyzer. You must have an html <div> with the
    ID = 'UI' to make this work. (i.e. <div id='UI'></div>)
    
    This will load all the buttons and switches necessary to run the
    machine. Notice that all the functions for a switch and select
    box are defined, so anyone can add more of these elements to the
    div as they please.
    
    The values are sent via the IPython messaging through the IPython
    kernel and are assigned to Python variables.
    
    The 'settings' dictionary maps the UI variable to the messaging
    protocol for the impedance analyzer.
    """
    
    return Javascript("""

    /*
    This Code uses JQuery in an IPython notebook to create a UI for the HP 4192A LF
Пример #5
0
#!/usr/bin/env python
#
# scope_connections.py
#
# This code opens the connection to send and recieve from a scope
#
# Author P G Jones - 28/05/2013 <*****@*****.**> : First revision
####################################################################################################
import logging
logger = logging.getLogger(__name__)

try:
    from pyvisa.vpp43 import visa_library, visa_exceptions
    visa_library.load_library(
        "/Library/Frameworks/Visa.framework/VISA")  # Mac specific??
    import visa
except ImportError:
    print "No VISA/pyVISA software installed, cannot use VisaUSB"

import socket


class TekConnection(object):
    """ Base class for Tektronix scope connections."""
    def __init__(self):
        print "\n-----------------------------------------------------------------------------------"

    def __del__(self):
        print "-----------------------------------------------------------------------------------\n"

    def sync(self):
Пример #6
0
'''
Created on 12/09/2013

@author: Javier Cruce%A4o
'''
# Importar librerias necesarias
# interfaz grafica
from PyQt4 import QtCore, QtGui, uic
# Comunicacion con sistema y manejo de puerto serie
import os, sys, serial, time
# Importar librerias para manejo de protocolos VISA
from pyvisa.vpp43 import visa_library
visa_library.load_library( "visa32.dll" )
import pyvisa.visa as visa

#Funcion para pasar datos como si fueran un archivo de texto
from StringIO import StringIO

# Manejo numerico de datos
import numpy as np
# Librerias para graficar en el ploter
from matplotlib.backends.backend_qt4agg import FigureCanvasQTAgg as FigureCanvas
# from matplotlib.backends.backend_qt4agg import NavigationToolbar2QTAgg as NavigatioToolbar
from matplotlib.figure import Figure

class canvas( FigureCanvas ):

    def __init__( self, parent ):
        # Se instancia el objeto figure
        self.fig = Figure()
        # Se define la grafica en coordenadas polares
Пример #7
0
More details.
"""

import sys
import time
import serial as ser
import win32com.client

sys.path.append('./utility/')
sys.path.append('../include/')
import debug_msg

#requires VISA library
try:
    from pyvisa.vpp43 import visa_library
    visa_library.load_library(r"C:\WINDOWS\system32\agvisa32.dll")
except WindowsError:
    print "Agilent VISA not found"
try:
    import visa
except:
    print "VISA module not working"

if sys.version_info >= (3, 0):

    def data(string):
        return bytes(string, 'latin1')

    bytes0to255 = bytes(range(256))
else: