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
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
|
import logging
# this should be done before justpy is called or log formatter does not work
logging.basicConfig(format='%(asctime)s %(levelname)8s %(name)s: %(message)s', datefmt='%m/%d/%Y %H:%M:%S')
import justpy as jp
import pyvisa
import numpy as np
import matplotlib as mpl
import matplotlib.pyplot as plt
import asyncio
import time
import qolab.gui.web as gui
from qolab.hardware import BasicInstrument
from qolab.hardware.scope import SDS1104X
from qolab.hardware.rf_generator import AgilentE8257D
from qolab.hardware.lockin import SRS_SR865A
from qolab.feedback import PID
from qolab.data import TraceSetSameX, TraceXY, Trace
l = logging.getLogger('qolab.gui.web')
l.setLevel(logging.INFO)
logger = logging.getLogger('Magnetometer')
logger.setLevel(logging.INFO)
def getConfig(apparatus):
config = apparatus.config.copy()
ai = apparatus.instruments
for n, i in ai.items():
config[n]=i.getConfig()
return config
def initLog():
errorTrace = Trace("error")
errorTrace.config['unit']='V'
timeTrace = Trace("time")
timeTrace.config['unit']='S'
timeTrace.config['type'] = 'timestamp'
errorLog = TraceXY("error")
errorLog.x = timeTrace
errorLog.y = errorTrace
freqTrace = Trace("frequency")
freqTrace.config['unit']='Hz'
freqLog = TraceXY("frequency")
freqLog.x = timeTrace
freqLog.y = freqTrace
feedbackTrace = Trace("feedback")
feedbackTrace.config['unit']='Hz'
feedbackLog = TraceXY("feedback")
feedbackLog.x = timeTrace
feedbackLog.y = feedbackTrace
eitTrace = Trace("eit")
eitTrace.config['unit']='V'
eitLog = TraceXY("eit")
eitLog.x = timeTrace
eitLog.y = eitTrace
rfPoutTrace = Trace("rfPout")
rfPoutTrace.config['unit']='dBm'
rfPoutLog = TraceXY("rfPout")
rfPoutLog.x = timeTrace
rfPoutLog.y = rfPoutTrace
log = TraceSetSameX("timelog")
log.addTrace(errorLog)
log.addTrace(freqLog)
log.addTrace(feedbackLog)
log.addTrace(eitLog)
log.addTrace(rfPoutLog)
log.config['tags']['apparatus']=getConfig(apparatus)
return log
async def feedbackLoop(apparatus, nsteps):
# while True:
for i in range(0,nsteps):
adjustRFandLog(apparatus)
await asyncio.sleep(0.1)
apparatus.runStatus = False
def adjustRFandLog(apparatus):
timenow = time.time()
ai = apparatus.instruments
scope = ai['scope']
rfgen = ai['rfgen']
pid = ai['pid']
log = apparatus.gui_log.traces
ch1=scope.getTrace(1, decimate=False)
ch3=scope.getTrace(3, decimate=False)
err = np.mean(ch1.y.values)
eit = np.mean(ch3.y.values)
fdbck = pid.feedback(err)
freq0 = rfgen.getFreqFixed()
freq = freq0 + fdbck
rfgen.setFreqFixed(freq)
# print(f'error = {err}, feedback = {fdbck}, request freq = {freq}')
rfPout = ai['rfgen'].getRFAmplitude()
log.addPointToTrace(timenow)
log.addPointToTrace(err, "error")
log.addPointToTrace(freq0, "frequency")
log.addPointToTrace(fdbck, "feedback")
log.addPointToTrace(rfPout, "rfPout")
log.addPointToTrace(eit, "eit")
freqZero = 6834686400
freqDeltaMp2 = 6835387100
dfB = freqDeltaMp2 - freqZero
freqDeltaMm2 = freqZero - dfB;
async def main():
task_wp_update_loop = asyncio.create_task(update_webpage_loop(update_interval=1))
apparatus.config['Device type'] = 'QOL VAMPIRE HighPower magnetometer'
apparatus.config['Device model'] = 'v0.1'
apparatus.config['FnamePrefix'] = 'locked_magnetometer'
apparatus.config['SavePath'] = '/mnt/qol_grp_data/data.VAMPIRE.HighPower'
# apparatus.config['SavePath'] = './data'
apparatus.gui_log = gui.QOLTimeLog(a=wp)
apparatus.gui_log.save_controls.getNextDataFile = apparatus.getNextDataFile
logger.info("Accessing hardware")
rm = pyvisa.ResourceManager()
instr_scope=rm.open_resource('TCPIP::192.168.0.61::INSTR')
scope = SDS1104X(instr_scope)
instr_rfgen=rm.open_resource('TCPIP::192.168.0.114::INSTR')
rfgen = AgilentE8257D(instr_rfgen)
instr_lockin=rm.open_resource('TCPIP::192.168.0.51::INSTR')
lockin = SRS_SR865A(instr_lockin)
# print('------ Header start -------------')
# print(str.join('\n', scope.getHeader()))
# print(str.join('\n', rfgen.getHeader()))
# print('------ Header ends -------------')
# ch1 = scope.getTrace(1)
# traces = scope.getAllTraces()
# pid = PID(100,400,0, sign=-1); # goom for dm=-2 resonance
pid = PID(50,200,0, sign=-1)
apparatus.instruments={}
ai = apparatus.instruments
ai['rfgen'] = rfgen
ai['lockin'] = lockin
ai['pid'] = pid
ai['scope'] = scope
apparatus.state = None
apparatus.runStatus = False
SweepSpan = 10000
ai['rfgen'].stopFrequencySweep()
# ai['rfgen'].setFreqFixed(freqDeltaMm2)
# ai['rfgen'].setFreqFixed(freqZero)
ai['rfgen'].setFreqFixed(freqDeltaMp2)
rfPstart = -10
rfPstop = 10
rfPowerList = np.linspace(rfPstart, rfPstop, 11)
rfPower0 = rfPstart
rfPower0 = 3.4
ai['rfgen'].setRFAmplitude(rfPower0)
d=getConfig(apparatus)
instruments_config=gui.QOLDictionary(a=wp, name='Instruments configs', container=d)
logger.info('========== Initial lock ===========')
rfPout = ai['rfgen'].getRFAmplitude()
apparatus.state = f'Initial lock RF power {rfPout} dBm'
logger.info(apparatus.state)
update_webpage(apparatus=apparatus)
apparatus.gui_log.setTraces( initLog() )
ai['pid'].reset()
ai['pid'].setEnable(True)
apparatus.runStatus = True
res = await asyncio.gather(
feedbackLoop(apparatus, nsteps=200)
)
async def calibratingLockin():
apparatus.state = f'Calibrating lockin response at RF power {rfPout} dBm'
logger.info(apparatus.state)
update_webpage(apparatus=apparatus)
ai['pid'].setEnable(False)
ai['pid'].reset()
apparatus.gui_log.setTraces( initLog() )
res = await asyncio.gather(
feedbackLoop(apparatus, nsteps=20)
)
fr0 = ai['rfgen'].getFreqFixed()
df = 10
ai['pid'].setEnable(False)
ai['pid'].reset()
ai['rfgen'].setFreqFixed(fr0+df)
res = await asyncio.gather(
feedbackLoop(apparatus, nsteps=20)
)
ai['rfgen'].setFreqFixed(fr0)
log = apparatus.gui_log.traces
trE=log.getTrace('error')
e1 = np.mean(trE.y.values[0:20])
e2 = np.mean(trE.y.values[20:])
dE = e2-e1
slope = dE/df
logger.info(f'dE = {dE}')
logger.info(f'slope = {slope}')
return slope
lockin_slope= await calibratingLockin()
logger.info('========= Long term lock ===========')
apparatus.gui_log.setTraces( initLog() )
apparatus.gui_log.traces.config['tags']['lockin_slope']=float(lockin_slope)
apparatus.runStatus = True
async def longTermLock():
apparatus.state = f'Long term lock RF power {rfPout} dBm'
ai['pid'].setEnable(True)
logger.info(apparatus.state)
update_webpage(apparatus=apparatus)
res = await asyncio.gather(
feedbackLoop(apparatus, nsteps=10000000)
)
return res
async def sweepRFPower():
# for p in np.linspace(-10,10, 110):
ai['pid'].setEnable(True)
for p in rfPowerList:
ai['rfgen'].setRFAmplitude(p)
rfPout = ai['rfgen'].getRFAmplitude()
apparatus.state = f'Long term lock RF power {rfPout} dBm'
logger.info(apparatus.state)
update_webpage(apparatus=apparatus)
ai['pid'].reset()
apparatus.runStatus = True
res = await asyncio.gather(
feedbackLoop(apparatus, nsteps=50)
)
return res
# await sweepRFPower()
await longTermLock()
apparatus.state = 'Done working with hardware'
logger.info(apparatus.state)
apparatus.gui_log.stop_tasks()
task_wp_update_loop.cancel()
logger.info("exiting main loop")
update_webpage(apparatus=apparatus)
return(apparatus)
def update_webpage(byWhom=None, apparatus=None):
timestr = time.strftime("%a, %d %b %Y, %H:%M:%S", time.localtime())
clock_upd.text = f'Last update at {timestr}'
try:
status_line.text = apparatus.state
except:
pass
jp.run_task(wp.update())
async def update_webpage_loop(update_interval=1):
while True:
update_webpage()
await asyncio.sleep(update_interval)
async def getPage():
return wp
async def jp_startup():
jp.run_task(main())
if __name__ == '__main__':
logger.info('========== Start up ===========')
wp = jp.WebPage(delete_flag=False)
apparatus = BasicInstrument()
d=jp.Div(text='Magnetometer log', a=wp, classes='text-white bg-blue-500 text-center text-xl')
div_status = jp.Div(classes='text-xl flex m0 p-1 space-x-4 bg-gray-300 font-mono', a=wp)
clock_upd = jp.Div(text='Clock Loading...', classes='text-xl bg-gray-400', a=div_status)
status_line = jp.Div(text='Status Loading...',classes='text-xl', a=div_status)
# mpl.use("TkAgg")
# apparatus = asyncio.run(main())
jp.justpy(getPage, startup=jp_startup)
|
