LDC.cmd("LDON OFF;MODU OFF; RNGE LOW; SMOD CC; SIBW LOW; SYND 5")
time.sleep(1)
PID.cmd("TOKN ON; CONS OFF")
PID.cmd("INPT INT;SETP 0.0;RAMP OFF")
PID.cmd("AMAN PID;MOUT 0.0")
PID.cmd("ULIM 10.0;LLIM -10.0")
PID.cmd("APOL {0};GAIN {1:.4f}".format(INI_POLA, INI_PROP))
PID.cmd("INTG {0};DERV {1};OFST {2}".format(INI_INTG, INI_DERV, INI_OFST))
PID.cmd("PCTL ON;ICTL ON")
PID.cmd("DCTL OFF;OCTL OFF") # (P,I,D,O)=(1,1,0,0)
PID.cmd("SOUT; FPLC 50")
PID.cmd("DISP EMN")
if not args.noosci:
OsciUSB.setup_measurement_mean(OSC, [1, 2], True, 10)
time.sleep(1)
except Exception as e:
exit(LDC, 1, e=e)
if not args.service:
cin = raw_input("We are about to switch on the LASER, proceed? [yN] ")
if cin is None or cin.lower() != "y":
exit(LDC, 0)
try:
if not args.debug:
LDC.cmd("SILD {0}".format(INI_LD_I))
LDC.cmd("LDON ON")
time.sleep(6)
LDC.cmd("MODU ON")
sleep_time_frequency_step = args.stepsleep
logger.info("nfreq = " + str(frequencies_number))
logger.info("beginPower = " + str(frequencies_beginPower))
logger.info("endPower = " + str(frequencies_endPower))
"""
Initialize oscilloscope for battery measurement
"""
while True:
try:
print "\n", "initializing USB instrument..."
sOsci = USBTMCObject(USBInstruments['HALLE']['vendorID'], USBInstruments['HALLE']['productID'], USBInstruments['HALLE']['serialNo'])
print "\tInstrument: " + str(sOsci.cmd_and_return("*IDN?"))
OsciUSB.setup_measurement_mean(sOsci, channels=[1, 2], statistics=False, statistics_samples=-1)
print ""
break
except LIB.Exceptions.USBException as e:
print e
time.sleep(5.0)
pass
"""
Initialize FuncGen to feed lock in
"""
while args.external:
try:
print "\n", "initializing FUNC-GEN via socket..."
sFuncGen = SocketObject(SocketInstruments['DS345_Fred']['IP'], SocketInstruments['DS345_Fred']['PORT'])
print "\tInstrument: " + str(sFuncGen.cmd_and_return("*IDN?"))
else:
filename_pattern_begin = 'Lab_ReadContinuous_'
sleep_time_frequency_step = 1.0 # seconds
if args.stepsleep and args.stepsleep >= 0:
sleep_time_frequency_step = args.stepsleep
"""
Initialize oscilloscope for battery measurement
"""
while True:
try:
print "\n", "initializing USB instrument..."
sOsci = USBTMCObject(USBInstruments['LABOR']['vendorID'], USBInstruments['LABOR']['productID'], USBInstruments['LABOR']['serialNo'])
print "\tInstrument: " + str(sOsci.cmd_and_return("*IDN?"))
OsciUSB.setup_acquire(sOsci, mode=args.acquire, num=args.samples)
OsciUSB.setup_measurement_mean(sOsci, channels=[1, 2, 3], statistics=True, statistics_samples=10)
print ""
break
except LIB.Exceptions.USBException as e:
print e
time.sleep(5.0)
pass
"""
Initialize temperature sensor
"""
while True:
print "\n", "initializing temperature sensor..."
sTherm = GPIOSensor(GPIOSensors['THERM_LAB'])
if sTherm.read() is None:
continue
