}
# TODO: Adjust aqcuisition parameters here
-aquire = { "DAC_Sweep" : "0.0 + 250.0*int(step/250)", # DAC Sweep value (t is in STEPS, not seconds!)
+aquire = { "DAC_Sweep" : "2500.0",#"0.0 + 250.0*int(step/200)", # DAC Sweep value (t is in STEPS, not seconds!)
"ADC_Averages" : 200,
"ADC_Vi" : 5, # ADC channel to read back Vi (set by DAC) through
"ADC_Is" : 4, # ADC channel to read back Is through
"ADC_Ie" : 4, # ADC channel to read back Ie through
- "DAC_Settle" : 2.0, # Time in seconds to wait for DAC to stabilise
+ "DAC_Settle" : 0.0, # Time in seconds to wait for DAC to stabilise
#"response_wait" : 0.2, # Time to wait in seconds between sending data and reading back
"start_date" : None
}
#record_data([4, 5], getDate()+"/"+str(getTime())+".dat", None, None, "Measure emission&sample current varying with time, constant initial energy.")
while True:
os.system("mkdir -p " + getDate())
- record_data([4, 5], getDate()+"/"+str(getTime())+".dat", None, 1500, "ADC4 = Power supply output. Sweep " + str(sweep) + " (started on " + aquire["start_date"]+")")
+ record_data([4, 5], getDate()+"/"+str(getTime())+".dat", None, 2600, "ADC4 = Is; ADC5 = Ve. Filament warm up; constant DAC. Sweep" + str(sweep) + " (started on " + aquire["start_date"]+")")
sweep += 1
nextDacValue = int(eval(aquire["DAC_Sweep"]))
if (nextDacValue != dacValue):
dacValue = nextDacValue
+ if (dacValue < 0):
+ break
setDAC(dacValue)
step += 1
+
+
if (dac_max != None and dacValue >= dac_max):
break