1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
|
import tkinter as tk
from tkinter import *
from tkinter import ttk
import platform
import argparse
from threading import Thread
import time # For sleep, clock, time and perf_counter
from datetime import datetime, timedelta
import numpy as np
import matplotlib.pyplot as plt
from matplotlib.figure import Figure
from matplotlib.backends.backend_tkagg import (FigureCanvasTkAgg, NavigationToolbar2Tk)
import csv
import ue9qol
from funcGenerator import Sweeper, SinGen, TriangleGen, RampGen, PulseGen
import rfGen
class Experiment:
def __init__(self, root, args):
self.root = root
self.tic = 0
self.channelsNames2grab={'tic', 'x','rfFreq','dac0', 'dac1', 'adc0', 'adc1', 'adc2', 'adc3'}
#self.channelsNames2plot={'dac0', 'dac1', 'adc0', 'adc1', 'adc2', 'adc3'}
if args.test:
self.channelsNames2plot={'adc0', 'adc1'}
else:
self.channelsNames2plot={'adc0'}
self.xChannelName='rfFreq' # can be also 'tic' or any of above
self.xlabel=''
self.lines2plot={}
self.clearData()
self.guiSetup(root)
self.guiSweeper = Sweeper(self.root, Npoints=2, SweepTime=1, onTicCallbacks=[self.updatePlot])
self.guiSweeper.cmdStart()
self.hardware = {}
self.sweeper = Sweeper(self.root, Npoints=100, SweepTime=10, onTicCallbacks=[self.onTic])
# self.funcGen = SinGen(2, 2, sweeper = self.sweeper)
# self.funcGen = RampGen(0, 5, sweeper = self.sweeper)
self.funcGen = TriangleGen(0, 5, sweeper = self.sweeper)
fCent=6.83468e9
self.fCent=fCent
fSpan=50e3
self.fSpan=fSpan
self.rfGenFunc = RampGen(fCent-fSpan/2, fCent+fSpan/2, sweeper = self.sweeper)
self.hardwareSetup(args)
def hardwareSetup(self,args):
if args.test:
print("Test mode, run with fake hardware")
self.hardware['LabJack'] = ue9qol.UE9qolDummy(sweeper=self.sweeper)
self.hardware['rfGen'] = rfGen.rfGenLMX2487Dummy(port='/dev/ttyUSB0', speed=115200, timeout=1)
else:
self.hardware['LabJack'] = ue9qol.UE9qol()
if platform.system() == 'Linux':
rf=rfGen.rfGenLMX2487(port='/dev/ttyUSB0', speed=115200, timeout=1)
else:
rf=rfGen.rfGenLMX2487(port='COM5', speed=115200, timeout=1)
self.hardware['rfGen'] = rf
def guiSetup(self, root):
self.cntrlPannel=ttk.LabelFrame(root, text='controls')
self.cntrlPannel.pack()
self.bAutoZoom=Button(self.cntrlPannel,text="AutoZoom",command=self.autoZoom,font=('Arial','24'))
self.bAutoZoom.pack(side='left')
self.bRestart=Button(self.cntrlPannel,text="RESTART",command=self.restart,font=('Arial','24'))
self.bRestart.pack(side='left')
self.bStart=Button(self.cntrlPannel,text="START",command=self.start,font=('Arial','24'))
self.bStart.pack(side='left')
self.bStop=Button(self.cntrlPannel,text="STOP",command=self.stop,font=('Arial','24'))
self.bStop.pack(side='left')
self.bSave=Button(self.cntrlPannel,text="SAVE",command=self.saveCmd,font=('Arial','24'))
self.bSave.pack(side='left')
self.bExit=Button(self.cntrlPannel,text="EXIT",command=exit,font=('Arial','24'))
self.bExit.pack(side='left')
self.dataDisplay=ttk.LabelFrame(root, text='data')
self.dataDisplay.pack()
self.fig=plt.figure(figsize=[32, 24])
self.ax = self.fig.add_subplot(1,1,1)
# self.ax.set_xlim([0,20])
# self.ax.set_ylim([0,20])
# self.ax.plot([i for i in range(10)],[i for i in range(10)])
self.line, = self.ax.plot(self.data['tic'], self.data['adc1'], '.')
self.canvas = FigureCanvasTkAgg(self.fig, master = self.dataDisplay)
self.canvas.draw()
# placing the canvas on the Tkinter window
# self.canvas.get_tk_widget().pack()
# creating the Matplotlib toolbar
self.toolbar = NavigationToolbar2Tk(self.canvas, self.dataDisplay)
self.toolbar.update()
# placing the toolbar on the Tkinter window
self.canvas.get_tk_widget().pack()
def clearData(self):
self.data = {}
for ch in self.channelsNames2grab:
self.data[ch] = []
def stop(self):
self.sweeper.cmdStop()
def start(self):
self.sweeper.cmdStart()
def restart(self):
self.clearData()
self.sweeper.cmdRestart()
def saveCmd(self):
csv_file = 'data.csv'
data = self.data
try:
with open(csv_file, 'w') as csvfile:
writer = csv.writer(csvfile)
writer.writerow(data.keys())
writer.writerows(zip(*data.values()))
except IOError:
print('I/O error')
def onTic(self,swp=None):
start = datetime.now()
if swp is None:
swp = self.sweeper
# global tic counter
tic = self.sweeper.getCnt()
self.data['tic'].append(tic)
# RF generator
rfFreq = self.rfGenFunc.getValue(swp)
self.hardware['rfGen'].setFreq(rfFreq)
self.data['rfFreq'].append(rfFreq)
# DAQ
daq0 = self.hardware['LabJack']
# dac0
# dac0 = self.funcGen.getValue(swp)
dac0 = 0
dac0 = self.funcGen.getValue(swp)
daq0.setOutputCh(0, dac0)
self.data['dac0'].append(dac0)
# dac1
# dac1 = PulseGen(ampl=5, sweeper=swp).getValue()
dac1 = 0
daq0.setOutputCh(1, dac1)
self.data['dac1'].append(dac1)
# adc0
adc0= daq0.getInputCh(0)
# adc0 = SinGen(ampl=4, sweeper=swp).getValue()
self.data['adc0'].append( adc0 )
# adc1
adc1= daq0.getInputCh(1)
# adc1 = SinGen(ampl=1, sweeper=swp).getValue()
self.data['adc1'].append( adc1 )
# adc2
adc2= daq0.getInputCh(2)
# adc2 = SinGen(ampl=2, sweeper=swp).getValue()
self.data['adc2'].append( adc2 )
# adc3
adc3= daq0.getInputCh(3)
# adc3 = SinGen(ampl=3, sweeper=swp).getValue()
self.data['adc3'].append( adc3 )
# X-axis (i.e. independent variable)
# self.data['x'].append(tic)
# self.data['x']=self.data[self.xChannelName]
x=self.data[self.xChannelName][-1]
x=(x-self.fCent)/1e3; # shift and convert to kHz
self.xlabel=f'Frequency offset (kHz) relative center {self.fCent/1e6} MHz '
self.data['x'].append(x)
stop = datetime.now()
runTime = (stop-start).seconds + float((stop-start).microseconds)/1000000
# print("onTic DAQ took %s seconds." % (runTime) )
def autoZoom(self):
self.ax.cla()
x = self.data['x']
for name in self.channelsNames2plot:
if name not in self.data:
continue
y = self.data[name]
self.lines2plot[name], = self.ax.plot(x, y, '.', label=name)
self.ax.legend()
plt.xlabel(self.xlabel)
self.canvas.draw()
def updatePlot(self,swp=None):
start = datetime.now()
# self.ax.cla()
# self.line, = self.ax.plot(self.data['tic'], self.data['adc1'], '.')
# t = Thread(target=self.canvas.draw)
# self.line.set_data([.1, .2, .3], [.1, .2, .3])
x = self.data['x']
for name in self.channelsNames2plot:
if name not in self.data:
continue
y = self.data[name]
if name in self.lines2plot:
ln = self.lines2plot[name]
ln.set_data(x, y)
self.ax.draw_artist(ln)
# self.canvas.update()
self.canvas.draw()
self.fig.canvas.flush_events()
stop = datetime.now()
runTime = (stop-start).seconds + float((stop-start).microseconds)/1000000
print("Replot took %s seconds to plot %s points." % (runTime, len(self.data['adc1'])) )
if __name__ == '__main__':
parser = argparse.ArgumentParser(description='Perform EIT based experiment.')
parser.add_argument('--test', '-t', action='store_true',
help='test mode, use fake/dummy hardware')
args = parser.parse_args()
root=Tk()
root.geometry("800x600")
experiment=Experiment(root, args)
root.mainloop()
|
