def connectionMade(self):
SimpleProtocol.connectionMade(self)
self.commands = []
# We will set this flag when we receive any reply from the device
self.object['hw_connected'] = 1
SimpleProtocol.message(self, '*RST')
SimpleProtocol.message(self, '*IDN?')
def connectionMade(self):
SimpleProtocol.connectionMade(self)
self.commands = []
# We will set this flag when we receive any reply from the device
self.object['hw_connected'] = 0
SimpleProtocol.message(self, 'set_addr %d' % self.object['addr'])
SimpleProtocol.message(self, 'L0X')
SimpleProtocol.message(self, 'K0X')
SimpleProtocol.message(self, '?$U0X') # enable EOI and holdoff
SimpleProtocol.message(self, 'R0X') # set autorange
def message(self, string):
if string in ['SYSTEM', 'STATUS', 'FRAME']:
if string in self.commands.values():
# Such command is already sent and still without reply
return
SimpleProtocol.message(self, '>%02X%s' % (self.command_id, string))
self.commands[self.command_id] = string
self.command_id = (self.command_id + 1) % 0x100
if string not in ['STATUS', 'FRAME', 'SYSTEM']:
print 'ARCHON << %s' % string
def message(self, string, keep=False, source='itself'):
"""
Send the message to the controller. If keep=True, append the command name to
internal queue so that we may properly recognize the reply
"""
if keep:
self.commands.append({'cmd': string,
'source': source,
'timeStamp': datetime.datetime.utcnow(),
'keep': keep})
SimpleProtocol.message(self, '?$%s' % string)
else:
SimpleProtocol.message(self, string)
def update(self):
# Request the hardware state from the device
if len(self.commands):
SimpleProtocol.message(self, self.commands[0]['cmd'])
if not self.commands[0]['keep']:
self.commands.pop(0)
else:
for k in self.status_commands:
self.commands.append({
'cmd': k,
'source': 'itself',
'keep': True
})
SimpleProtocol.message(self, self.commands[0]['cmd'])
def message(self, string, keep=False, source='self'):
"""
Send the message to the controller. If keep=True, append the command name to
internal queue so that we may properly recognize the reply
"""
self.update_daemonQs()
if source in self.daemonQs.keys():
# This is a GPIB connection, add the command to the corresponding queue
self.daemonQs[source].append({'cmd': string})
if keep and source != 'itself' and string not in ['++srq']:
self.daemonQs[source].append({'cmd': '++read eoi'})
else:
# Handle non-GPIB messages as usual
SimpleProtocol.message(self, '%s' % (string))
if keep:
self.commands.append(string)
def update(self):
print('--------self.commands--------------')
for cc in self.commands:
print(cc)
print('----------------------')
# first check if device is hw_connected
if self.object['hw_connected'] == 0:
# if not connected do not send any commands
return
if len(self.commands) and not self.commands[0]['sent']:
SimpleProtocol.message(self, self.commands[0]['cmd'])
if not self.commands[0]['keep']:
self.commands.pop(0)
else:
self.commands[0]['sent'] = True
elif not len(self.commands):
for k in self.status_commands:
self.commands.append({
'cmd': k,
'source': 'itself',
'keep': True,
'sent': False
})
def update(self):
if self._debug:
print ("Busy flag", self.readBusy)
if self.readBusy[0]:
if time.time()-self.readBusy[1]>3:
SimpleProtocol.message(self, '++read eoi')
self.readBusy[1]=time.time()
return
self.update_daemonQs()
if self._debug:
print ("daemonQs:", self.daemonQs)
last_addr=self.next_addr
no_commands = True
for k in range(len(self.gpibAddrList)):
try:
d=self.gpibAddrList.index(last_addr) - k - 1
self.next_addr = self.gpibAddrList[d]
if self._debug:
print ("Found last addr (", self.next_addr, ")")
except BaseException:
self.next_addr = self.gpibAddrList[0]
if self._debug:
print ("Last addr not found (perhaps disconnected meanwhile), switching to the first (", self.next_addr, ")")
if len(self.daemonQs[self.next_addr]):
if self.object['current_addr'] != self.next_addr:
if self._debug:
print ("switching to addr (", self.next_addr, ")")
SimpleProtocol.message(self, '++addr %i' % self.next_addr)
self.object['current_addr'] = self.next_addr
#time.sleep(0.1) # we need to wait a bit here to allow the controller to finish changing the addr
cmd = self.daemonQs[self.next_addr].pop(0)
no_commands = False
if cmd['cmd'] in ['++read eoi', '++addr', '++srq']:
self.readBusy = [True,time.time()]
SimpleProtocol.message(self, cmd['cmd'])
break
if no_commands and (time.time()-self.readBusy[1])>1.:
if self._debug:
print ("There is either no GPIB connections, or nothing to do for them, doing ++addr to keep the connection alive")
self.message('++addr', keep=True)
self.readBusy = [True,time.time()]
def connectionMade(self):
SimpleProtocol.connectionMade(self)
self.object['hw_connected'] = 0 # We will set this flag when we receive any reply from the device
SimpleProtocol.message(self, 'set_addr %d' % self.object['addr'])
SimpleProtocol.message(self, '?$SYST:ERR?')
self.commands = [{'cmd': 'SYST:ERR?', 'source': 'itself', 'timeStamp': datetime.datetime.utcnow(), 'keep': 'keep'}]
SimpleProtocol.message(self, '*RST')
SimpleProtocol.message(self, 'OUTP:LOAD 50')
self.object['out_load'] = 50
SimpleProtocol.message(self, 'VOLT:OFFS 0')
self.object['volt_offs'] = 0
SimpleProtocol.message(self, 'VOLT:UNIT VPP')
self.object['volt_unit'] = 'VPP'
SimpleProtocol.message(self, '?$*OPC?')
self.commands = [{'cmd': '*OPC?', 'source': 'itself', 'timeStamp': datetime.datetime.utcnow(), 'keep': 'keep'}]
def connectionMade(self):
SimpleProtocol.connectionMade(self)
self.object[
'hw_connected'] = 0 # We will set this flag when we receive any reply from the device
SimpleProtocol.message(self, 'set_addr %d' % self.object['addr'])
SimpleProtocol.message(self, '*rst')
SimpleProtocol.message(self, '*cls')
SimpleProtocol.message(self, ':SYST:ZCH ON')
SimpleProtocol.message(self, ':CURR:RANG 2E-9')
SimpleProtocol.message(self, ':INIT')
SimpleProtocol.message(self, ':SYST:ZCOR:ACQ')
SimpleProtocol.message(self, ':SYST:ZCH OFF')
SimpleProtocol.message(self, ':SYSR:ZCOR ON')
SimpleProtocol.message(self, ':CURR:RANG:AUTO ON')
SimpleProtocol.message(self, '?$*opc?')
self.commands = [{
'cmd': '*opc?',
'source': 'itself',
'timeStamp': datetime.datetime.utcnow(),
'keep': 'keep'
}]