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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 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 = 9
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(True)
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)
)
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.runStatus = True
async def longTermLock():
apparatus.state = f'Long term lock RF power {rfPout} dBm'
logger.info(apparatus.state)
update_webpage(apparatus=apparatus)
res = await asyncio.gather(
feedbackLoop(apparatus, nsteps=100000)
)
return res
async def sweepRFPower():
# for p in np.linspace(-10,10, 110):
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)
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