def __init__(self):
print 'Slow control initiated!'
self.bk = BKPrecision('/dev/ttyUSB0')
self.lj = Labjack()
self.temp=0.0
self.volt=0.0
self.curr=0.0
self.gain=0
self.serial=0
self.led_no=0
self.state=0
class SlowControl():
def __init__(self):
print 'Slow control initiated!'
self.bk = BKPrecision('/dev/ttyUSB0')
self.lj = Labjack()
self.temp=0.0
self.volt=0.0
self.curr=0.0
self.gain=0
self.serial=0
self.led_no=0
self.state=0
def get_time(self):
return datetime.strftime(datetime.now(), "%Y-%m-%d %H:%M:%S")
def get_day(self):
return datetime.strftime(datetime.now(), "%Y%m%d")
def lj_server(self):
# define socket numbers for push and publish ports
lj_port_push = "5556"
lj_port_pub = "5566"
# create pull socket for receiving commands from GUI
context = zmq.Context()
socket_pull = context.socket(zmq.PULL)
socket_pull.connect("tcp://localhost:%s" % lj_port_push)
print "Connected to server with port %s" % lj_port_push
# initialize poll set
poller = zmq.Poller()
poller.register(socket_pull, zmq.POLLIN)
# initialize labjack publisher
socket_pub = context.socket(zmq.PUB)
socket_pub.bind("tcp://*:%s" % lj_port_pub)
print "Publish info with port %s" % lj_port_pub
# work on requests from SiPM GUI
while True:
socks = dict(poller.poll(1000))
if socket_pull in socks and socks[socket_pull] == zmq.POLLIN:
msg = socket_pull.recv()
print '{0} Received control command: {1}'.format(
self.get_time(), msg)
# interpret the GUI messages here
if msg == "read temp":
print self.lj.read_temp()
elif msg == "read gain":
print self.lj.read_gain()
elif msg == "read pga":
print self.lj.read_pga()
elif msg == "read eeprom":
print self.lj.read_eeprom()
elif msg == "read led":
print self.lj.read_led()
elif msg[0:10] == "set eeprom":
print self.lj.write_eeprom(int(msg[11:12]), msg[13:29])
elif msg[0:7] == "set led":
print self.lj.set_led(int(msg[8:]))
elif msg[0:8] == "set gain":
print self.lj.set_gain(int(msg[9:]))
else:
print "Unknown command! Try again."
else:
self.temp = self.lj.read_temp()
self.gain = self.lj.read_gain()
eeprom1 = self.lj.read_eeprom(1)
eeprom2 = self.lj.read_eeprom(2)
eeprom3 = self.lj.read_eeprom(3)
eeprom4 = self.lj.read_eeprom(4)
eeprom5 = self.lj.read_eeprom(5)
eeprom6 = self.lj.read_eeprom(6)
eeprom7 = self.lj.read_eeprom(7)
eeprom8 = self.lj.read_eeprom(8)
self.serial = self.lj.read_serial()
self.led_no = self.lj.read_led()
lj_data = {
'time': self.get_time(),
'temp': self.temp,
'gain': self.gain,
'eeprom1': eeprom1,
'eeprom2': eeprom2,
'eeprom3': eeprom3,
'eeprom4': eeprom4,
'eeprom5': eeprom5,
'eeprom6': eeprom6,
'eeprom7': eeprom7,
'eeprom8': eeprom8,
'serial': self.serial,
'ledno': self.led_no
}
socket_pub.send_json(lj_data)
def bk_server(self):
# define socket numbers for push and publish ports
bk_port_push = "5557"
bk_port_pub = "5567"
# create pull socket for receiving commands from GUI
context = zmq.Context()
socket_pull = context.socket(zmq.PULL)
socket_pull.connect("tcp://localhost:%s" % bk_port_push)
print "Connected to server with port %s" % bk_port_push
# initialize poll set
poller = zmq.Poller()
poller.register(socket_pull, zmq.POLLIN)
# initialize bk publisher
socket_pub = context.socket(zmq.PUB)
socket_pub.bind("tcp://*:%s" % bk_port_pub)
print "Publish info with port %s" % bk_port_pub
# work on requests from SiPM GUI
while True:
socks = dict(poller.poll(1000))
if socket_pull in socks and socks[socket_pull] == zmq.POLLIN:
msg = socket_pull.recv()
print '{0} Received control command: {1}'.format(
self.get_time(), msg)
# interpret the GUI messages here
if msg == "power on":
print self.bk.power_on()
elif msg == "power off":
print self.bk.power_off()
elif msg == "get state":
print self.bk.get_state()
elif msg == "read volt":
print float(self.bk.meas_volt())
elif msg == "read curr":
print float(self.bk.meas_curr())
elif msg[0:8] == "set volt":
self.bk.set_volt(float(msg[9:]))
elif msg[0:8] == "set curr":
self.bk.set_curr(float(msg[9:]))
else:
print "Unknown command, try again."
else:
self.volt = self.bk.meas_volt()
self.curr = self.bk.meas_curr()
self.state = self.bk.get_state()
bk_data = {
'time': self.get_time(),
'volt': self.volt,
'curr': self.curr,
'state': self.state
}
socket_pub.send_json(bk_data)
