X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=research%2FTCS%2Finterface.py;h=7553ab4dddc81319768f780a5031fb3491e05a12;hb=719c502e645607bc071ffbf41a455db899bef8a7;hp=9e39fd45ec097646784e0fe7a1018e6edfcdc970;hpb=88432baa0ee699e35b3f3ddfe4e680044c0d22ec;p=matches%2Fhonours.git

diff --git a/research/TCS/interface.py b/research/TCS/interface.py
index 9e39fd45..7553ab4d 100755
--- a/research/TCS/interface.py
+++ b/research/TCS/interface.py
@@ -35,8 +35,8 @@ calibrate = {
 }
 
 # TODO: Adjust aqcuisition parameters here
-aquire = { "DAC_Sweep" : "0.0 + 10.0*int(step)", # DAC Sweep value (t is in STEPS, not seconds!)
-	"ADC_Averages" : 200,
+aquire = { "DAC_Sweep" : "0.0 + 1.0*int(step)", # DAC Sweep value (t is in STEPS, not seconds!)
+	"ADC_Averages" : 100,
 	#"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
@@ -48,7 +48,7 @@ aquire = { "DAC_Sweep" : "0.0 + 10.0*int(step)", # DAC Sweep value (t is in STEP
 
 #Setup the serial connection parameters
 ser = serial.Serial(
-	port="/dev/ttyUSB1", # Modify as needed (note: in linux need to run `sudo chmod a+rw /dev/ttyUSBX' to set permissions)
+	port="/dev/ttyUSB0", # Modify as needed (note: in linux need to run `sudo chmod a+rw /dev/ttyUSBX' to set permissions)
 
 	# Do not change the values below here (unless AVR butterfly is reprogrammed to use different values)
 	baudrate=4800,
@@ -63,12 +63,14 @@ ser = serial.Serial(
 # Put things that are being changed a lot near the top of the list.
 parameters = odict.odict([
 	("Chamber Pressure" , None), # Chamber pressure now automatically determined
-	("Venault Voltage" , None),
+	("Deflection Voltage" , None),
 	("Title" , None),
 	("Comment" , None),
+	("602 Scale" , None),
+	("Venault Voltage" , None),
 	("Accelerating Voltage" , None),
 	("Focus Voltage" , None),
-	("Deflection Voltage" , None),
+	
 	("Initial Voltage" , None),
 	("Heating Current" , None),
 	("Heating Voltage (across filament)" , None),
@@ -76,15 +78,15 @@ parameters = odict.odict([
 	#("610B Zero" , None),
 	("602 Zero" , None),
 	#("610B Scale" , None),
-	("602 Scale" , None),
+	
 	("602 0.1 Battery" , None),
 	("602 0.03 Battery" , None),
 	("602 0.01 Battery" , None),
 	("602 0.003 Battery" , None),
 	("602 0.001 Battery" , None), 
-	("ADC Regulator" , None),
 	("Sample", None),
 	("Sample Angle", None),
+	("ADC Regulator" , None),
 	("Data" , None),
 	("Parameters last checked", None)
 ])
@@ -96,8 +98,15 @@ def getDate():
 	return str(datetime.datetime.now()).split(" ")[0]
 
 def getPressure():
-	p = subprocess.Popen("./pressure/get_pressure.sh", stdout=subprocess.PIPE)
-	return float(p.stdout.readline().strip(" \r\n\t"))
+	
+	try:
+		p = subprocess.Popen("./pressure/get_pressure.sh", stdout=subprocess.PIPE)
+		#p = subprocess.Popen("./this_program_does_not_exist.sh", stdout=subprocess.PIPE)
+		#result = float("a")
+		result = float(p.stdout.readline().strip(" \r\n\t"))
+	except:
+		return 0.0
+	return result
 	
 
 # Used for when I press Control-C to stop things
@@ -218,13 +227,25 @@ def main():
 	# Experiment
 	# TODO: Modify data to record here
 	sweep = 1
-	for i in range(0,5):
-	#while True:
+	#for i in range(0,1):
+	while True:
 		os.system("mkdir -p " + getDate())
-		record_data([5], getDate()+"/"+str(getTime())+".dat", None, 4000)
+		record_data([5], getDate()+"/"+str(getTime())+".dat", None, 4001)
+
+		try:
+			pass
+			#os.system("echo \"Sweep number " + str(sweep) + " completed\" | festival --tts")
+		except:
+			pass
 		sweep += 1
 	#setDAC(500)
 
+	try:
+		os.system("echo \"Experiment complete\" | festival --tts")
+	except:
+		pass
+	
+
 def checkList():
 	try:
 		input_file = log_open(getDate()+"/checklist", "r")
@@ -261,7 +282,7 @@ def checkList():
 				continue
 			if item == "Chamber Pressure":
 				#sys.stdout.write("\""+str(item)+"\" = " + str(parameters[item]) + " - get new pressure... ")
-				#parameters[item] = getPressure()
+				parameters[item] = getPressure()
 				#sys.stdout.write(str(parameters[item]) + "\n")
 				continue
 
@@ -371,7 +392,10 @@ def record_data(ADC_channels, output, pollTime = None, dac_max = None):
 				data[len(data)-1].append(adc[2])
 			out.write("\n")	
 	
-	
+		#gnuplot("set yrange [0:1023]")
+		#gnuplot("set xrange [0:4000]")
+		gnuplot("set xlabel \"DAC (counts)\"")
+		gnuplot("set ylabel \"Sample Current (ADC counts)\"")
 		gnuplot.plot(Gnuplot.Data(data, title="t = "+str(measure_time), with_="lp", using="2:3"))
 	for out in output:		
 		if out != sys.stdout: