TaskHandle = ctypes.c_uint32
do_task = TaskHandle(1)
nidaq.DAQmxCreateTask("", ctypes.byref(do_task))
nidaq.DAQmxCreateDOChan(do_task, do_chan, "output", DAQmx_Val_ChanPerLine)
def pulse(length=0.5):
return nidaq.DAQmxWriteDigitalLines(do_task, 2, 1, -1,
DAQmx_Val_GroupByChannel, do_data,
None, None)
########################################################################
#CONNECT to hameg and tektronix
hameg = ha.HMP2030(device="hameg01", voltage_max=20., current_max=0.07)
tektronix = tek.AFG3252("TCPIP0::129.69.46.235::inst0::INSTR")
##########################################################################
#INITIALIZE measurement parameters
cell = '4'
measno = '47'
measurement = 'b1sweep_rb85_50degC_less_than_12uW_40dB_R0asB0_R1asB1_withHighPass_SR83010ms5mV24dB'
#initialize b1 frequency
fcenter = 5E3 #start frequency b1
fspan = 5E3 #frequency step b1
b1sweepFreq = 2
#initialize b1 amplitude
import hardware.hameg as ha
import numpy as np
import time
import pyvisa
import matplotlib.pyplot as plt
import os
import matplotlib.colors as cl
########################################################################
#CONNECT to hameg and tektronix
rm = pyvisa.ResourceManager()
lockin = rm.open_resource("GPIB0::10::INSTR")
tektronix = tek.AFG3252("TCPIP0::129.69.46.235::inst0::INSTR")
hameg = ha.HMP2030(device="hameg01", channel=1, voltage_max=20., current_max=1)
##########################################################################
#INITIALIZE measurement parameters
cell = '4'
measno = '156'
measurement = '{0:s}_rb87_last trans_3_shields_isweep'.format(measno)
#number and special features of the measurement
fstart = 24.6E3 #start frequency
fstep = 0.2E3 #frequency step
fstop = 25.6E3 #stop frequency
steps = int((fstop - fstart) / fstep + 1) #frequency steps
print 'frequency steps:{0:d}'.format(steps)
