def scan(port=None):
"""
port (string): name of the serial port. If None, all the serial ports are tried
returns (list of 2-tuple): name, args (port)
Note: it's obviously not advised to call this function if a device is already under use
"""
if port:
ports = [port]
else:
if os.name == "nt":
ports = ["COM" + str(n) for n in range(8)]
else:
ports = glob.glob('/dev/ttyS?*') + glob.glob('/dev/ttyUSB?*')
logging.info("Serial ports scanning for Acton SpectraPro spectrograph in progress...")
found = [] # (list of 2-tuple): name, kwargs
for p in ports:
try:
logging.debug("Trying port %s", p)
dev = SpectraPro(None, None, p, _noinit=True)
except (serial.SerialException, HwError):
# not possible to use this port? next one!
continue
# Try to connect and get back some answer.
try:
model = dev.GetModel()
if model.startswith("SP-"):
found.append((model, {"port": p}))
else:
logging.info("Device on port '%s' responded correctly, but with unexpected model name '%s'.", p, model)
except:
continue
return found
def scan(port=None):
"""
port (string): name of the serial port. If None, all the serial ports are tried
returns (list of 2-tuple): name, args (port)
Note: it's obviously not advised to call this function if a device is already under use
"""
if port:
ports = [port]
else:
if os.name == "nt":
ports = ["COM" + str(n) for n in range (0,8)]
else:
ports = glob.glob('/dev/ttyS?*') + glob.glob('/dev/ttyUSB?*')
logging.info("Serial ports scanning for Acton SpectraPro spectrograph in progress...")
found = [] # (list of 2-tuple): name, kwargs
for p in ports:
try:
logging.debug("Trying port %s", p)
dev = SpectraPro(None, None, p, _noinit=True)
except serial.SerialException:
# not possible to use this port? next one!
continue
# Try to connect and get back some answer.
try:
model = dev.GetModel()
if model.startswith("SP-"):
found.append((model, {"port": p}))
else:
logging.info("Device on port '%s' responded correctly, but with unexpected model name '%s'.", p, model)
except:
continue
return found
def selfTest(self):
"""
check as much as possible that it works without actually moving the motor
return (boolean): False if it detects any problem
"""
try:
with self._ser_access:
model = self.GetModel()
if not model.startswith("SP-"):
# accept it anyway
logging.warning("Device reports unexpected model '%s'", model)
turret = self.GetTurret()
if not turret in (1,2,3):
return False
return True
except:
logging.exception("Selftest failed")
return False
def selfTest(self):
"""
check as much as possible that it works without actually moving the motor
return (boolean): False if it detects any problem
"""
try:
with self._ser_access:
model = self.GetModel()
if not model.startswith("SP-"):
# accept it anyway
logging.warning("Device reports unexpected model '%s'", model)
turret = self.GetTurret()
if not turret in (1,2,3):
return False
return True
except:
logging.exception("Selftest failed")
return False