def query(self,mystr):
"""Query function
Sends a VISA string (intended for the lakeshore) to the temperature to the server and retrieves a response.
Parameters
----------
mystr : str
VISA string to send
Returns
-------
word : str
Response from server (Lakeshore)
"""
# s = MySocket(verb=self.verb)
s = MySocket()
s.sock.connect((self.addr, self.port))
if self.verb:
print(mystr)
s.mysend(mystr.encode('utf_8'))
word = s.myreceive()
word = word.decode('utf_8')
if self.verb:
print(word)
s.sock.close()
return word
def RunCommand(sock, resultq):
#print('RunCommand: start')
ss = MySocket(sock)
try:
word = ss.myreceive()
word = word.decode('utf_8')
except AttributeError as err:
print(err)
word = None
except RuntimeError as err:
print(err)
return None
#print('RunCommand:', word)
if word:
if '?' in word:
commandq.put((resultq, Lakeshore_370.query, (word, )))
else:
commandq.put((resultq, Lakeshore_370.write, (word, )))
else:
return None
xx = resultq.get()
if xx == None:
xx = ''
resultq.task_done()
ss.mysend(xx.encode('utf_8'))
ss.sock.close()
return word
def RunCommand(sock,resultq):
#print('RunCommand: start')
ss = MySocket(sock)
try:
word = ss.myreceive()
word = word.decode('utf_8')
except AttributeError as err:
print(err)
word = None
except RuntimeError as err:
print(err)
return None
#print('RunCommand:', word)
if word:
if '?' in word:
commandq.put( (resultq, Lakeshore_370.query, (word,)) )
else:
commandq.put( (resultq, Lakeshore_370.write, (word,)) )
else:
return None
xx = resultq.get()
if xx == None:
xx = ''
resultq.task_done()
ss.mysend(xx.encode('utf_8'))
ss.sock.close()
return word
def GetTemperature(self):
"""Gets temperature from server
Get Temperature from He7 computer (last logged value). Returns a float in K
Returns
-------
temperature : float
The last logged He3 head temperature
"""
'''
create an INET, STREAMing socket
'''
try:
s = MySocket(verb=self.verb)
s.sock.connect((self.addr, self.port))
word = s.myreceive()
word = word.decode('utf_8')
temperature = float(word)
s.sock.close()
if self.verb:
print('He7 Temperature received: %f K' % (temperature))
except KeyboardInterrupt:
raise
except:
temperature = -1
print('Error when reading temperature')
return temperature
def RunCommand(sock,resultq):
ss = MySocket(sock)
word = ss.myreceive()
word = word.decode('utf_8')
commandq.put( (resultq, Triton.query, (word,)) )
xx = resultq.get()
resultq.task_done()
ss.mysend(xx.encode('utf_8'))
ss.sock.close()
return word
def RunCommand(sock, resultq):
ss = MySocket(sock)
word = ss.myreceive()
word = word.decode('utf_8')
commandq.put((resultq, Triton.query, (word, )))
xx = resultq.get()
resultq.task_done()
ss.mysend(xx.encode('utf_8'))
ss.sock.close()
return word
def query(self,mystr):
s = MySocket()
s.sock.connect((self.addr, self.port))
if self.verb:
print(mystr)
s.mysend(mystr.encode('utf_8'))
word = s.myreceive()
word = word.decode('utf_8')
if self.verb:
print(word)
s.sock.close()
return word
