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import justpy as jp
import pyvisa
import numpy as np
import matplotlib as mpl
import matplotlib.pyplot as plt
import asyncio
import time
from qolab.hardware import BasicInstrument
from qolab.hardware.scope import SDS1104X
from qolab.hardware.rf_generator import AgilentE8257D
from qolab.feedback import PID
from qolab.data import TraceSetSameX, TraceXY, Trace
def initLog():
errorTrace = Trace("error")
errorTrace.config['unit']='V'
timeTrace = Trace("time")
timeTrace.config['unit']='S'
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
log = TraceSetSameX("timelog")
log.addTrace(errorLog)
log.addTrace(freqLog)
log.addTrace(feedbackLog)
return log
async def feedbackLoop(apparatus, nsteps):
# while True:
for i in range(0,nsteps):
adjustRFandLog(apparatus)
await asyncio.sleep(0.001)
apparatus.runStatus = False
def adjustRFandLog(apparatus):
timenow = time.time()
scope = apparatus.scope
rfgen = apparatus.rfgen
pid = apparatus.pid
log = apparatus.log
ch1=scope.getTrace(1, decimate=False)
err = np.mean(ch1.y.values)
fdbck = pid.feedback(err)
freq0 = rfgen.getFreqFixed()
freq = freq0 + fdbck
rfgen.setFreqFixed(freq)
# print(f'error = {err}, feedback = {fdbck}, request freq = {freq}')
log.addPointToTrace(timenow)
log.addPointToTrace(err, "error")
log.addPointToTrace(freq0, "frequency")
log.addPointToTrace(fdbck, "feedback")
def updateLogPlot(apparatus):
log = apparatus.log
f = plt.figure(figsize=(8, 8))
log.plot()
log_chart.set_figure(f)
plt.close(f)
print(f're-plotting')
update_webpage()
async def updateLogPlotLoop(apparatus):
while True:
updateLogPlot(apparatus)
if not apparatus.runStatus:
break
await asyncio.sleep(5)
def updateLogFile(apparatus):
log = apparatus.log
logFileName = apparatus.logFileName
if logFileName is not None:
log.save(logFileName, item_format='.15e')
print(f'Saving to {logFileName}')
async def updateLogFileLoop(apparatus):
while True:
updateLogFile(apparatus)
if not apparatus.runStatus:
break
await asyncio.sleep(10)
freqZero = 6834686400
freqDeltaM2 = 6835387100
async def main():
apparatus = BasicInstrument()
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'
print("testing")
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)
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)
apparatus.scope = scope
apparatus.rfgen = rfgen
apparatus.pid = pid
apparatus.log = initLog()
apparatus.state = None
apparatus.runStatus = False
SweepSpan = 10000
apparatus.rfgen.stopFrequencySweep()
apparatus.rfgen.setFreqFixed(freqDeltaM2)
# apparatus.rfgen.setFreqFixed(freqZero)
print('========== Initial lock ===========')
apparatus.state = 'Initial lock'
update_webpage()
apparatus.log = initLog()
apparatus.logFileName = None
apparatus.pid.reset()
apparatus.runStatus = True
res = await asyncio.gather( feedbackLoop(apparatus, nsteps=100), updateLogPlotLoop(apparatus), updateLogFileLoop(apparatus) )
print(apparatus.logFileName)
updateLogPlot(apparatus)
print('========= Long term lock ===========')
apparatus.state = 'Long term lock'
update_webpage()
apparatus.log = initLog()
apparatus.logFileName = None
# apparatus.logFileName = apparatus.getNextDataFile()
apparatus.pid.reset()
apparatus.runStatus = True
res = await asyncio.gather( feedbackLoop(apparatus, nsteps=10000), updateLogPlotLoop(apparatus), updateLogFileLoop(apparatus) )
print(apparatus.logFileName)
updateLogPlot(apparatus)
# apparatus.log.save(apparatus.logFileName, item_format='.15e')
apparatus.state = 'Done working with hardware'
update_webpage()
return(apparatus)
def update_webpage(byWhom=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 NameError:
pass
jp.run_task(wp.update())
async def getPage():
return wp
async def jp_startup():
jp.run_task(main())
if __name__ == '__main__':
wp = jp.WebPage(delete_flag=False)
d=jp.Div(text='Magnetometer log', a=wp, classes='text-white bg-blue-500 text-center text-xl')
clock_upd = jp.Div(text='Loading...', classes='w-96 text-xl m-1 p-1 bg-gray-300 font-mono', a=wp)
status_line = jp.Div(test='Status string',classes='w-96 text-xl m-1 p-1 bg-gray-300 font-mono', a=wp)
f = plt.figure()
log_chart = jp.Matplotlib(a=wp)
plt.close(f)
# mpl.use("TkAgg")
# apparatus = asyncio.run(main())
jp.justpy(getPage, startup=jp_startup)
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