def supported(cls, device):
"""Checks whether the device at `device` is supported by the driver.
:param device: path to the device
:type device: str
:return: whether the device is supported by the driver
:rtype: bool
"""
protocol = cls._protocol
try:
with serial_connection(device['identifier'],
protocol,
is_probing=True) as connection:
connection.write(protocol.measureCommand +
protocol.commandTerminator)
# Checking whether writing to the serial port using the Adam protocol raises a timeout exception is about the only thing we can do.
return True
except serial.serialutil.SerialTimeoutException:
pass
except Exception:
_logger.exception('Error while probing %s with protocol %s' %
(device, protocol.name))
return False
def supported(cls, device):
"""Checks whether the device, which port info is passed as argument, is supported by the driver.
:param device: path to the device
:type device: str
:return: whether the device is supported by the driver
:rtype: bool
"""
protocol = cls._protocol
try:
with serial_connection(device['identifier'],
protocol,
is_probing=True) as connection:
connection.write(b'Ehello' + protocol.commandTerminator)
time.sleep(protocol.commandDelay)
answer = connection.read(8)
if answer == b'\x02E\rhello':
connection.write(b'F' + protocol.commandTerminator)
return True
except serial.serialutil.SerialTimeoutException:
pass
except Exception:
_logger.exception('Error while probing %s with protocol %s' %
(device, protocol.name))
return False