def getDevice(cls, port):
"""
Return a SutterMPC200 instance for the specified serial port. Only one instance will
be created for each port.
"""
port = SerialDevice.normalizePortName(port)
if port not in cls.DEVICES:
cls.DEVICES[port] = SutterMPC200(port=port)
return cls.DEVICES[port]
def __init__(self, port):
port = SerialDevice.normalizePortName(port)
if port in SutterMPC200.DEVICES:
raise Exception("The port %s is already accessed by another instance of this class. Use getDevice(port) instead.")
SutterMPC200.DEVICES[port] = self
self.lock = RLock()
self.port = port
SerialDevice.__init__(self, port=self.port, baudrate=128000)
self.scale = [0.0625e-6]*3 # default is 16 usteps per micron
self._moving = False
def getDevice(cls, port):
"""
Return a SutterMPC200 instance for the specified serial port. Only one instance will
be created for each port.
*port* must be a serial COM port (eg. COM3 or /dev/ttyACM0)
"""
port = SerialDevice.normalizePortName(port)
if port in cls.DEVICES:
return cls.DEVICES[port]
else:
return SutterMPC200(port=port)
