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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 qolab.tsdb as tsdb
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)
l = logging.getLogger('qolab.tsdb')
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(extra_tags={}):
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)
log.config['tags'].update(extra_tags)
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
pid = ai['pid']
scope_fdbk = ai['scope.feedback']
log = apparatus.gui_log.traces
err, eit = apparatus.getErrAndEit()
fdbck = pid.feedback(err)
freq0 = apparatus.getRFreq()
apparatus.setFeefback(fdbck)
rfPout = apparatus.getRFAmplitude()
apparatus.getBCurrent(); # this automatically logs value to TSDB
log.addPointToTrace(timenow)
log.addPointToTrace(err, "error")
log.addPointToTrace(freq0, "frequency")
log.addPointToTrace(fdbck, "feedback")
log.addPointToTrace(rfPout, "rfPout")
log.addPointToTrace(eit, "eit")
async def initial_lock_to_eit(apparatus, extra_tags={}):
rfPout = apparatus.getRFAmplitude()
apparatus.state = f'Initial lock RF power {rfPout} dBm'
logger.info(apparatus.state)
update_webpage(apparatus=apparatus)
ai = apparatus.instruments
apparatus.gui_log.setTraces( initLog(extra_tags=extra_tags) )
ai['pid'].reset()
ai['pid'].setEnable(True)
apparatus.runStatus = True
res = await asyncio.gather(
feedbackLoop(apparatus, nsteps=50)
)
async def calibratingLockin(apparatus, extra_tags={}):
ai = apparatus.instruments
rfPout = apparatus.getRFAmplitude()
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(extra_tags=extra_tags) )
res = await asyncio.gather(
feedbackLoop(apparatus, nsteps=20)
)
fr0 = ai['rfgen'].getFreqFixed()
df = 10
ai['pid'].setEnable(False)
ai['pid'].reset()
apparatus.setRFreq(fr0+df)
res = await asyncio.gather(
feedbackLoop(apparatus, nsteps=20)
)
apparatus.setRFreq(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
apparatus.setLockinSlope(slope)
logger.info(f'dE = {dE}')
logger.info(f'lockin error signal slope = {slope} V/Hz')
apparatus.getBCurrent(); # this automatically logs value to TSDB
return float(slope)
async def responseToChangeOfBfieldControlVoltage(apparatus, extra_tags={}):
ai = apparatus.instruments
rfPout = apparatus.getRFAmplitude()
apparatus.state = f'Calibrating lockin response to change of Bfield control voltage, {rfPout} dBm'
logger.info(apparatus.state)
update_webpage(apparatus=apparatus)
ai['pid'].setEnable(True)
ai['pid'].reset()
apparatus.gui_log.setTraces( initLog(extra_tags=extra_tags) )
dV = 0.01
ai['lockin'].AuxOut1=dV
apparatus.getBCurrent(); # this automatically logs value to TSDB
# initial lock
ai['pid'].setEnable(True)
ai['pid'].reset()
res = await asyncio.gather(
feedbackLoop(apparatus, nsteps=20)
)
# this is for the money lock
res = await asyncio.gather(
feedbackLoop(apparatus, nsteps=30)
)
fr0 = ai['rfgen'].getFreqFixed()
apparatus.getBCurrent(); # this automatically logs value to TSDB
# this is for the money lock
ai['lockin'].AuxOut1=0
ai['pid'].setEnable(True)
ai['pid'].reset()
res = await asyncio.gather(
feedbackLoop(apparatus, nsteps=30)
)
fr1 = ai['rfgen'].getFreqFixed()
log = apparatus.gui_log.traces
trE=log.getTrace('error')
df = fr0 - fr1
slope = df/dV
logger.info(f'df = {df}')
logger.info(f'response to magnetic control voltage = {slope} Hz/V')
apparatus.getBCurrent(); # this automatically logs value to TSDB
# relock to default state
ai['lockin'].AuxOut1=0
ai['pid'].setEnable(True)
ai['pid'].reset()
res = await asyncio.gather(
feedbackLoop(apparatus, nsteps=20)
)
return float(slope)
async def longTermLock(apparatus, extra_tags={}):
ai = apparatus.instruments
rfPout = apparatus.getRFAmplitude()
apparatus.state = f'Long term lock RF power {rfPout} dBm'
logger.info(apparatus.state)
apparatus.gui_log.setTraces( initLog(extra_tags=extra_tags) )
apparatus.runStatus = True
ai['pid'].setEnable(True)
update_webpage(apparatus=apparatus)
res = await asyncio.gather(
feedbackLoop(apparatus, nsteps=10000000)
)
return res
async def sweepRFPower(apparatus, extra_tags={}, rfPowerList=[]):
apparatus.gui_log.setTraces( initLog(extra_tags=extra_tags) )
ai = apparatus.instruments
# 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'lock with 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
freqZero = 6834686400
freqDeltaMp2 = 6835387100
dfB = freqDeltaMp2 - freqZero
freqDeltaMm2 = freqZero - dfB;
async def main():
app_nickname=apparatus.config['DeviceNickname']
task_wp_update_loop = asyncio.create_task(update_webpage_loop(update_interval=1))
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_fdbk = SDS1104X(instr_scope, device_nickname='.'.join([app_nickname, 'scope.feedback']), tsdb_ingester=tsdb_ingester)
instr_scope=rm.open_resource('TCPIP::192.168.0.62::INSTR')
scope_mon = SDS1104X(instr_scope, device_nickname='.'.join([app_nickname, 'scope.monitor']), tsdb_ingester=tsdb_ingester)
instr_rfgen=rm.open_resource('TCPIP::192.168.0.114::INSTR')
rfgen = AgilentE8257D(instr_rfgen, device_nickname='.'.join([app_nickname, 'rfgen']), tsdb_ingester=tsdb_ingester)
instr_lockin=rm.open_resource('TCPIP::192.168.0.51::INSTR')
lockin = SRS_SR865A(instr_lockin, device_nickname='.'.join([app_nickname, 'lockin']), tsdb_ingester=tsdb_ingester)
# 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); # good for dm=-2 resonance
pid = PID(50,200,0, sign=-1, device_nickname='.'.join([app_nickname, 'pid']), tsdb_ingester=tsdb_ingester)
apparatus.instruments={}
ai = apparatus.instruments
ai['rfgen'] = rfgen
ai['lockin'] = lockin
ai['pid'] = pid
ai['scope.feedback'] = scope_fdbk
scope_fdbk.setRoll(False)
scope_fdbk.setRun(True)
scope_fdbk.setTimePerDiv(0.0005)
scope_fdbk.setChanVoltsPerDiv(1, 0.02)
scope_fdbk.setChanVoltsPerDiv(3, 0.02)
ai['scope.monitor'] = scope_mon
scope_mon.setRoll(False)
scope_mon.setRun(True)
scope_mon.setTimePerDiv(0.0005)
scope_mon.setChanVoltsPerDiv(2, 0.002)
scope_mon.setChanVoltageOffset(2, -0.0726)
apparatus.state = None
apparatus.runStatus = False
SweepSpan = 10000
ai['rfgen'].stopFrequencySweep()
# ai['rfgen'].setFreqFixed(freqDeltaMm2)
# ai['rfgen'].setFreqFixed(freqZero)
apparatus.setRFreq(freqDeltaMp2)
# apparatus.setRFreq(freqZero)
rfPstart = -10
rfPstop = 10
rfPowerList = np.linspace(rfPstart, rfPstop, 11)
rfPower0 = rfPstart
rfPower0 = 3.4
apparatus.setRFAmplitude(rfPower0)
d=getConfig(apparatus)
instruments_config=gui.QOLDictionary(a=wp, name='Instruments configs', container=d)
extra_tags={}
await initial_lock_to_eit(apparatus, extra_tags=extra_tags)
lockin_slope= await calibratingLockin(apparatus, extra_tags=extra_tags)
extra_tags.update( {'error_signal_response_to_eit_detuning_in_V_per_Hz' : lockin_slope } )
B_response= await responseToChangeOfBfieldControlVoltage(apparatus, extra_tags=extra_tags)
extra_tags.update( {'EIT_shift_to_B_control_Voltage_in_Hz_per_V' : B_response } )
# await sweepRFPower(apparatus, extra_tags=extra_tags, rfPowerList=rfPowerList)
await longTermLock(apparatus, extra_tags=extra_tags)
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())
class Apparatus(BasicInstrument):
def __init__(self, *args, **kwds):
super().__init__(*args, **kwds)
self.setLockinSlope(0)
@BasicInstrument.tsdb_append
def getBCurrent(self):
scope = self.instruments['scope.monitor']
ch=scope.getTrace(2, decimate=False)
bCurrent = np.mean(ch.y.values); # mV -> mA
return bCurrent
def getErrAndEit(self):
scope = self.instruments['scope.feedback']
# we need to freeze scope since this two values are taken on the same scope
trg_mode = scope.getTriggerMode()
scope.setTriggerMode('STOP')
err = self.getErr()
eit = self.getEIT()
scope.setTriggerMode(trg_mode)
return(err,eit)
@BasicInstrument.tsdb_append
def getErr(self):
scope = self.instruments['scope.feedback']
ch1=scope.getTrace(1, decimate=False)
err = np.mean(ch1.y.values)
return err
@BasicInstrument.tsdb_append
def getEIT(self):
scope = self.instruments['scope.feedback']
ch3=scope.getTrace(3, decimate=False)
eit = np.mean(ch3.y.values)
return eit
@BasicInstrument.tsdb_append
def setFeefback(self, val):
freq0 = self.getRFreq()
self.setRFreq(freq0+val)
@BasicInstrument.tsdb_append
def getRFreq(self):
rfgen = self.instruments['rfgen']
return rfgen.getFreqFixed()
@BasicInstrument.tsdb_append
def setRFreq(self,val):
rfgen = self.instruments['rfgen']
rfgen.setFreqFixed(val)
@BasicInstrument.tsdb_append
def getRFAmplitude(self):
rfgen = self.instruments['rfgen']
return rfgen.getRFAmplitude()
@BasicInstrument.tsdb_append
def setRFAmplitude(self, val):
rfgen = self.instruments['rfgen']
return rfgen.setRFAmplitude(val)
@BasicInstrument.tsdb_append
def setLockinSlope(self, val):
self.lockin_slope=val
if __name__ == '__main__':
logger.info('========== Start up ===========')
tsdb_client = tsdb.Client('influx', 'http://lumus.physics.wm.edu:8428', database='qolab')
tsdb_ingester = tsdb.Ingester(tsdb_client, batch=11, measurement_prefix='VAMPIRE.HighPower')
wp = jp.WebPage(delete_flag=False)
apparatus = Apparatus(tsdb_ingester=tsdb_ingester, device_nickname='magnetometer',)
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'
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)
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