Oscilloskope USBTCM utility

In [2]:

    

import matplotlib.pyplot as plt
import sys
import os
import time
import h5py
import numpy as np


# TRYING TO ADAPT THE SCRIPT FOR THE MICSIG oscilloscope

# Create ownership rule as /etc/udev/rules.d/99-micsig.rules
# SUBSYSTEMS=="usb", ATTRS{idVendor}=="18d1", ATTRS{idProduct}=="0303", GROUP="medved", MODE="0666"

class UsbTmcDriver:

    def __init__(self, device):
        self.device = device
        self.FILE = os.open(device, os.O_RDWR)
 
    def write(self, command):
        os.write(self.FILE, command);
 
    def read(self, length = 2048):
        return os.read(self.FILE, length)
 
    def getName(self):
        self.write("*IDN?")
        return self.read(300)
 
    def sendReset(self):
        self.write("*RST")  # Be carefull, this real resets an oscilloscope

# Looking for USBTMC device
def getDeviceList(): 
    dirList=os.listdir("/dev")
    result=list()

    for fname in dirList:
        if(fname.startswith("usbtmc")):
            result.append("/dev/" + fname)

    return result

# looking for oscilloscope
devices =  getDeviceList()
# initiate oscilloscope
osc = UsbTmcDriver(devices[0])

print osc.getName()
osc.write(":STOP")
time.sleep(.2)
osc.write(':WAV:SOUR CHAN1')
time.sleep(.2)
osc.write(':WAV:XINC?')
time.sleep(.2)
data = bytearray(osc.read(500))
print data
osc.write(':WAV:YINC?')
time.sleep(.2)
data = bytearray(osc.read(500))
print data


    

    




Micsig, TO1072, 311070077, 6.11

-1

0

In [8]:

    

osc.write("MENU:RUN")
time.sleep(1)

'''
osc.write(':WAV:SOUR CHAN1')
time.sleep(.2)
osc.write(':WAV:MODE NORM')
time.sleep(.2)
osc.write(':WAV:DATA?')
time.sleep(.2)
wave1 = bytearray(osc.read(500))
print wave1
time.sleep(.2)
osc.write("MENU:STOP")
time.sleep(.2)
osc.write(':WAV:SOUR CHAN1')
time.sleep(.2)
osc.write(':WAV:MODE RAW')
time.sleep(.2)
osc.write(':WAV:RESet')
time.sleep(.2)
osc.write(':WAV:BEGin')
time.sleep(.2)
osc.write(':WAV:STATus?')
time.sleep(.2)
wave1 = bytearray(osc.read(500))
print wave1
'''
osc.write("MENU:STOP")
time.sleep(1)

#osc.write(':STORage:SAVECH1,UDISK')
osc.write(':STORage:CAPTure')


    

In [27]:

    

osc.write(':WAV:DATA?')
time.sleep(.2)
wave1 = bytearray(osc.read(500))
print wave1

#osc.write(':WAV:END')
#time.sleep(.2)


    

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