import odict
import Gnuplot, Gnuplot.funcutils
+import subprocess
gnuplot = Gnuplot.Gnuplot()
}
# TODO: Adjust aqcuisition parameters here
-aquire = { "DAC_Sweep" : "0.0 + 50.0*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
#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,
xonxoff=0,
rtscts=0
)
-
+#Using an ordered dictionary, so results will be determined (or prompted for) in this order.
+# Put things that are being changed a lot near the top of the list.
parameters = odict.odict([
- ("Accelerating Voltage" , None),
- ("Focus Voltage" , None),
+ ("Chamber Pressure" , None), # Chamber pressure now automatically determined
("Deflection Voltage" , None),
+ ("Title" , None),
+ ("Comment" , None),
+ ("602 Scale" , None),
("Venault Voltage" , None),
+ ("Accelerating Voltage" , None),
+ ("Focus Voltage" , None),
+
("Initial Voltage" , None),
("Heating Current" , None),
- ("Heating Voltage" , None),
- ("Chamber Pressure" , None),
- ("610B Zero" , None),
+ ("Heating Voltage (across filament)" , None),
+ ("Heating Voltage (across power supply)", None),
+ #("610B Zero" , None),
("602 Zero" , None),
- ("610B Scale" , None),
- ("602 Scale" , None),
+ #("610B 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),
- ("Title" , None),
- ("Comment" , None),
+ ("ADC Regulator" , None),
("Data" , None),
("Parameters last checked", None)
])
def getDate():
return str(datetime.datetime.now()).split(" ")[0]
+def getPressure():
+
+ 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
def set_exit_handler(func):
if os.name == "nt":
# pass
#while (ser.readline().strip("\r\n ") != "#"):
# pass
- time.sleep(1.0)
+ #time.sleep(1.0)
ser.write("a "+str(aquire["ADC_Averages"]) + "\r\n")
- print(ser.readline().strip("\r\n"))
- print(ser.readline().strip("\r\n"))
- print(ser.readline().strip("\r\n"))
+ ser.readline().strip("\r\n")
+ ser.readline().strip("\r\n")
+ ser.readline().strip("\r\n")
+ #print(ser.readline().strip("\r\n"))
+ #print(ser.readline().strip("\r\n"))
+ #print(ser.readline().strip("\r\n"))
#print("Writing config information to config.dat...")
#output = log_open("config.dat", "w", 1)
# Experiment
# TODO: Modify data to record here
sweep = 1
+ #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():
value = k[1].strip("# \r\n")
if (item in parameters):
- parameters[item] = value
+ if item == "Chamber Pressure":
+ parameters[item] = getPressure()
+ else:
+ parameters[item] = value
- print("Checklist found. Overwrite? [Y/n]")
- response = sys.stdin.readline().strip(" \r\n")
+ #print("Checklist found. Overwrite? [Y/n]")
+ response = "" #sys.stdin.readline().strip(" \r\n")
if (response == "" or response == "y" or response == "Y"):
input_file = log_open(getDate()+"/checklist.old", "w")
for item in parameters:
for item in parameters:
if item == "Parameters last checked":
continue
+ if item == "Chamber Pressure":
+ #sys.stdout.write("\""+str(item)+"\" = " + str(parameters[item]) + " - get new pressure... ")
+ parameters[item] = getPressure()
+ #sys.stdout.write(str(parameters[item]) + "\n")
+ continue
+
sys.stdout.write("\""+str(item)+"\" = " + str(parameters[item]) + " New value?: ")
response = sys.stdin.readline().strip("\r\n ")
+ if (response == "!"):
+ break
if (response != ""):
parameters[item] = response
sys.stdout.write("\n")
for out in output:
out.write("# Parameters:\n")
+ parameters["Chamber Pressure"] = getPressure() # Update chamber pressure
+
for field in parameters:
for out in output:
out.write("# "+str(field)+" = " + str(parameters[field]) + "\n")
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:
git.ucc.asn.au / matches / honours.git / blobdiff
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