def __init__(self, parent_directory='/data/cryocon/',dfname=None,frame_len=10):
self.par_dir=parent_directory
self.frame_len=frame_len
if dfname==None:
self.dfname=str(int(time.time()))
else:
self.dfname=dfname
self.dirname=os.path.join(self.par_dir,self.dfname)
if os.path.isdir(self.dirname):
raise Exception('Cannot create dirfile %s. Directory already exists.\n' % self.dirname)
os.mkdir(self.dirname)
fmt_file=file(os.path.join(self.dirname,'format'),'w')
fmt_file.write('time RAW FLOAT64 '+str(self.frame_len)+'\n')
fmt_file.write('temp_cryocon RAW FLOAT64 '+str(self.frame_len)+'\n')
fmt_file.write('time_keith1 RAW FLOAT64 '+str(self.frame_len)+'\n')
fmt_file.write('time_keith2 RAW FLOAT64 '+str(self.frame_len)+'\n')
fmt_file.write('/REFERENCE time\n')
fmt_file.close()
self.time_array=array.array('d',[0.0]*self.frame_len)
self.temp_array_cryocon=array.array('d',[0.0]*self.frame_len)
self.time_array_keith1=array.array('d',[0.0]*self.frame_len)
self.time_array_keith2=array.array('d',[0.0]*self.frame_len)
self.cc=cryocon.Cryocon()
self.keith1=keithley.Keithley('Keithley1')
self.keith2=keithley.Keithley('Keithley2')
self.pid=np.zeros(1)
def run(self):
cc = cryocon.Cryocon()
cc.connect()
f = open("/data/cryocon/temperature.txt", "w")
start = time.time()
while True:
data = cc.temp()
f.write(data.split('\r')[0] + ' ')
f.write(str(time.time() - start) + '\n')
f.close()
cc.close()
def __init__(self):
threading.Thread.__init__(self)
self.cc = cryocon.Cryocon()