Trinketd - driver and collecting tool for Atom Pro/Atom mini 2, russian
name/brand: Брелок Гейгера.

The tool was developed for FreeBSD but it should be very easy to port it on
Linux.
Prerequisites: libhidapi (FreeBSD ports: comms/hidapi,
                          http://www.signal11.us/oss/hidapi/)

trinketd [-d] [-p pidfile] [-P period] [-D datadir] [-i tics] [-l logfile]
-d          - daemonize
-p pidfile  - create a pid-file
-P period   - collection period, in seconds, default 300 secs
-D datadir  - directory to place output file, default stdout
-i tics     - the number of samples for the moving average, default 1
-l logfile  - name of log file, if it's not presented then messages will send
              to syslog if daemonize else stderr

Format of data file:
total: 7220       - total number of Geiger's events (since power on) 
counts: 167       - number of Geiger's events for tics * period time 
tics: 12          - number of samples 
radlevel: 15.71   - radiation level, mkR/h

Copyright (c) 2016, Teodor Sigaev <teodor@sigaev.ru>