def connect_to_controller(self):
global ser
if ser.is_open:
print("Already connected.")
return
else:
print('Attempting to connect...')
result = sc.serial_ports()
print(result)
port = sc.ping_controller(result)
if port == -1:
print('Connection failed')
self.connection_status_label.config(
fg="red", text="Not connected. (attempt failed)")
return -1
else:
ser.port = port
ser.open()
if ser.is_open:
print('Connected at ' + port)
self.connection_status_label.config(fg="green", text="Connected")
return 0
else:
print('Connection failed')
self.connection_status_label.config(
fg="red", text="Not connected. (attempt failed)")
return -1
def ConnectToDevice(self, ports=sc.serial_ports()):
super().ConnectToDevice(ports=ports,
defPort='/dev/ttyUSB1',
baud=19200,
qrymsg=diaquerybytes,
retmsg='00' + dia60mLsyringe,
trycount=11,
readsequence=ETXbyte)
def Setup(self, ports=sc.serial_ports()):
print('Setup() SyringePumpManager')
for p in ports:
print('remaining port at syr_ma Setup(): ', p)
self.ConnectToDevice(ports)
for p in self.Pumps:
if not self.PumpIsTalking(p):
print('pump with communication issues: ' + p.name)
if not self.PumpIsTalking(p):
print('issues are persistent')
else:
print('issues were resolved')
def ConnectToDevice(self, ports=sc.serial_ports()):
p = super().ConnectToDevice(defPort='/dev/ttyACM0',
ports=ports,
trycount=11,
baud=9600,
retmsg='ok')
#self.ser.timeout = 11
#self.SendCommand('ping')
#self.ser.write(b'get')
#print('get response: ' + self.ser.readline().decode().rstrip())
self.ser.readlines()
self.ser.flushInput()
return p
def ConnectToDevice(self,
defPort=None,
baud=9600,
qrymsg=b'ping',
retmsg='pong',
trycount=1,
ports=sc.serial_ports(),
readsequence='\n'):
if self.emulator_mode:
print('starting in emulator mode')
elif self.ser.is_open:
print('already connected')
else:
print('attempting to connect to Device: %s' % self.name)
s = sc.ping_controller(defPort, ports, baud, qrymsg, retmsg,
trycount, readsequence)
self.ser.port = s
self.ser.baudrate = baud
self.ser.open()
self.connection_status = 'connected'
return s
def SetupSerialIO(self):
ports = s_c.serial_ports()
if (self.cnc_ma):
#don't test ports again once they're known
portToRemove = self.cnc_ma.ConnectToDevice(ports)
print('removing port: ' + str(portToRemove))
ports.remove(portToRemove)
self.cnc_ma.SetInitialState()
self.cnc_ma.SetPosition(PositionsDict['NeutralB'])
if (self.ra_ma):
portToRemove = self.ra_ma.ConnectToDevice(ports)
print('removing port: ' + str(portToRemove))
ports.remove(portToRemove)
if (self.syr_ma):
for p in ports:
print('remaining port at syr_ma: ', p)
self.syr_ma.Setup(ports)
time.sleep(1.1)
#do this twice to position robo arm?
self.SetPosition(PositionsDict['NeutralB'])
time.sleep(1.1)
self.SetPosition(PositionsDict['NeutralA'])
def ConnectToDevice(self,ports = sc.serial_ports()):
return super().ConnectToDevice(defPort='/dev/ttyUSB0',
ports=ports, baud=115200, retmsg='echo:start')