"""GQ Electronics GMC-SE series Geiger Counter Devices."""
from ..connection import Connection
from .device_rfc1201 import DeviceRFC1201
[docs]
class GMCSE(DeviceRFC1201):
"""GMC-SE"""
def __init__(
self,
port,
baudrate=115200,
timeout=5,
connection=None,
):
"""
Represent a GMC-SE device.
Parameters
----------
port: None | str
Exact port (device dev path / com port) e.g. '/dev/ttyUSB0'
If None, a Connection object is required.
baudrate: int
Device baudrate. Default value is the best-known value for the device.
timeout: int
Time limit for pyserial to raise timeout.
connection : pygmc.Connection
An initialized pygmc connection interface to the USB device.
Overrides port & baudrate.
"""
if isinstance(connection, Connection):
super().__init__(connection)
elif port and isinstance(baudrate, int):
conn = Connection(port=port, baudrate=baudrate, timeout=timeout)
super().__init__(conn)
else:
raise ConnectionError(f"Unable to connect port={port} baudrate={baudrate}")
# https://www.gqelectronicsllc.com/support/GMC_Selection_Guide.htm
self._flash_memory_size_bytes = 2**21 # 2 MiB
self._baudrate = baudrate