# CONNECT TO DEVICES
try:
if not args.debug:
LDC = SerialObject(SerialInstruments['LDC501'])
PID = SerialObject(SerialInstruments['SIM960'], wait=0.01)
if not args.noosci:
OSC = USBTMCObject(USBInstruments['LABOR']['vendorID'], USBInstruments['LABOR']['productID'])
TEM = GPIOSensor(GPIOSensors['THERM_LAB'])
PID.cmd("*CLS")
print "Instrument (LDC):\n\t" + LDC.ask("*IDN?")
print "Instrument (PID):\n\t" + PID.ask("*IDN?")
if not args.noosci:
print "Instrument (OSC):\n\t" + OSC.ask("*IDN?")
if TEM.read() is None:
raise ValueError()
LDC.cmd("TOKN ON")
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")
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
print ""
break
"""
START?
"""
if not args.service:
cin = raw_input("\nBEGIN MEASUREMENT? [Y] ")
if cin != "" and cin.upper() != "Y" and cin.upper() != "YES":
sys.exit(0)
"""
Measurement loop