X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=research%2FTCS%2Finterface.py;h=cd66ebb8fb979b0677e94ee6cdc0a6b16ba0dd64;hb=019f2279eca0841363f8fd2ab95efebaa7192262;hp=e987f8b76eb9f9a5da336e756ffddf5bddf1e493;hpb=a7edaeb22fab97222161220f154e04c001ee02c5;p=matches%2Fhonours.git diff --git a/research/TCS/interface.py b/research/TCS/interface.py index e987f8b7..cd66ebb8 100755 --- a/research/TCS/interface.py +++ b/research/TCS/interface.py @@ -31,12 +31,12 @@ calibrate = { } # TODO: Adjust aqcuisition parameters here -aquire = { "DAC_Sweep" : "0.0 + 50.0*int(step)", # DAC Sweep value (t is in STEPS, not seconds!) +aquire = { "DAC_Sweep" : "2250.0 - 50.0*int(step/1000)", # 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" : 10.0, # 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 } @@ -146,7 +146,7 @@ def main(): #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, 2250, " Testing emission current at low heating current, dependence on DAC. Sweep " + str(sweep) + " (started on " + aquire["start_date"]+")") + record_data([4, 5], getDate()+"/"+str(getTime())+".dat", None, 2300, "Measure Ie and Is .Sweep DOWN " + str(sweep) + " (started on " + aquire["start_date"]+")") sweep += 1 @@ -191,8 +191,12 @@ def record_data(ADC_channels, output, pollTime = None, dac_max = None, comment = 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