def __init__(self,total=0,total_dtc=0):
log.info("Starting geigercounter")
threading.Thread.__init__(self)
self.daemon = True
self.socket = None
self.totalcount=total
self.totalcount_dtc=total_dtc
if cfg.getboolean('entropy','enable'):
self.entropygenerator = EntropyGenerator(cfg.get('entropy','filename'))
else:
self.entropygenerator = None
self.reset()
self.start()
def __init__(self,total=0,total_dtc=0):
log.info("Starting geigercounter")
threading.Thread.__init__(self)
self.daemon = True
self.socket = None
self.totalcount=total
self.totalcount_dtc=total_dtc
if cfg.getboolean('entropy','enable'):
self.entropygenerator = EntropyGenerator(cfg.get('entropy','filename'))
else:
self.entropygenerator = None
self.reset()
self.start()
class Geigercounter (threading.Thread):
def __init__(self,total=0,total_dtc=0):
log.info("Starting geigercounter")
threading.Thread.__init__(self)
self.daemon = True
self.socket = None
self.totalcount=total
self.totalcount_dtc=total_dtc
if cfg.getboolean('entropy','enable'):
self.entropygenerator = EntropyGenerator(cfg.get('entropy','filename'))
else:
self.entropygenerator = None
self.reset()
self.start()
def reset(self):
if gpio_available:
i2c_addr = 0x19
bus = smbus.SMBus(1)
bus.write_byte(i2c_addr, 0x00)
self.count=0
self.cps=0
self.cpm=0
self.cps_dtc=0
self.cpm_dtc=0
self.edr=0
def tick(self, pin=None):
self.count += 1
self.totalcount += 1
self.totalcount_dtc += 1
if self.entropygenerator:
self.entropygenerator.tick()
def run(self):
if gpio_available:
GPIO.setmode(GPIO.BCM)
gpio_port = cfg.getint('geigercounter','gpio_port')
GPIO.setup(gpio_port,GPIO.IN)
GPIO.add_event_detect(gpio_port,GPIO.FALLING)
GPIO.add_event_callback(gpio_port,self.tick)
# I2C config for HV output
i2c_addr = 0x19
bus = smbus.SMBus(1) # I2C1 port
bus.write_byte(i2c_addr, 0x71)
else:
TickSimulator(self).start()
cpm_fifo = deque([],60)
cpm_dtc_fifo = deque([],60)
while True:
time.sleep(1)
# Statistical correction of tube dead-time
if gpio_available:
deadtime = cfg.getfloat('geigercounter','tube_dead_time')
count_dtc = int(self.count/(1-(self.count*deadtime)))
else:
count_dtc = self.count
cpm_fifo.appendleft(self.count)
cpm_dtc_fifo.appendleft(count_dtc)
self.cpm = int(sum(cpm_fifo)*60.0/len(cpm_fifo))
self.cpm_dtc = int(sum(cpm_dtc_fifo)*60.0/len(cpm_dtc_fifo))
self.cps = self.count
self.cps_dtc = count_dtc
ratefactor = cfg.getfloat('geigercounter','tube_rate_factor')
self.edr = round(self.cpm_dtc * ratefactor,2)
self.totalcount_dtc += (count_dtc - self.count)
self.count = 0
log.debug(self.get_state())
def get_state(self):
msg = {
"type": "geigerjson",
"node_uuid": cfg.get('node','uuid'),
"timestamp": int(datetime.datetime.now().strftime("%s")),
"geostamp": {
"lat": cfg.getfloat('node','lat'),
"lon": cfg.getfloat('node','lon'),
"alt": cfg.getfloat('node','alt')
},
"parameters": {
"tube_id": cfg.get('geigercounter','tube_id'),
"dead_time": cfg.getfloat('geigercounter','tube_dead_time'),
"tube_factor": cfg.getfloat('geigercounter','tube_rate_factor'),
"opmode": cfg.get('node', 'opmode'),
"window": cfg.get('geigercounter', 'window')
},
"data": {
"source": cfg.get('geigercounter', 'source') if gpio_available else "sim",
"cps": self.cps,
"cps_dtc": self.cps_dtc,
"cpm": self.cpm,
"cpm_dtc": self.cpm_dtc,
"totalcount": self.totalcount,
"totalcount_dtc": self.totalcount_dtc,
"edr": self.edr
},
"annotation": ""
}
return msg
class Geigercounter (threading.Thread):
def __init__(self,total=0,total_dtc=0):
log.info("Starting geigercounter")
threading.Thread.__init__(self)
self.daemon = True
self.socket = None
self.totalcount=total
self.totalcount_dtc=total_dtc
if cfg.getboolean('entropy','enable'):
self.entropygenerator = EntropyGenerator(cfg.get('entropy','filename'))
else:
self.entropygenerator = None
self.reset()
self.start()
def reset(self):
self.count=0
self.cps=0
self.cpm=0
self.cps_dtc=0
self.cpm_dtc=0
self.edr=0
def tick(self, pin=None):
self.count += 1
self.totalcount += 1
self.totalcount_dtc += 1
if self.entropygenerator:
self.entropygenerator.tick()
def run(self):
if gpio_available:
GPIO.setmode(GPIO.BCM)
gpio_port = cfg.getint('geigercounter','gpio_port')
GPIO.setup(gpio_port,GPIO.IN)
GPIO.add_event_detect(gpio_port,GPIO.FALLING)
GPIO.add_event_callback(gpio_port,self.tick)
else:
TickSimulator(self).start()
cpm_fifo = deque([],60)
cpm_dtc_fifo = deque([],60)
while True:
time.sleep(1)
# Statistical correction of tube dead-time
if gpio_available:
deadtime = cfg.getfloat('geigercounter','tube_dead_time')
count_dtc = int(self.count/(1-(self.count*deadtime)))
else:
count_dtc = self.count
cpm_fifo.appendleft(self.count)
cpm_dtc_fifo.appendleft(count_dtc)
self.cpm = int(sum(cpm_fifo)*60.0/len(cpm_fifo))
self.cpm_dtc = int(sum(cpm_dtc_fifo)*60.0/len(cpm_dtc_fifo))
self.cps = self.count
self.cps_dtc = count_dtc
ratefactor = cfg.getfloat('geigercounter','tube_rate_factor')
self.edr = round(self.cpm_dtc * ratefactor,2)
self.totalcount_dtc += (count_dtc - self.count)
self.count = 0
log.debug(self.get_state())
def get_state(self):
msg = {
"type": "geigerjson",
"node_uuid": cfg.get('node','uuid'),
"timestamp": int(datetime.datetime.now().strftime("%s")),
"geostamp": {
"lat": cfg.getfloat('node','lat'),
"lon": cfg.getfloat('node','lon'),
"alt": cfg.getfloat('node','alt')
},
"parameters": {
"tube_id": cfg.get('geigercounter','tube_id'),
"dead_time": cfg.getfloat('geigercounter','tube_dead_time'),
"tube_factor": cfg.getfloat('geigercounter','tube_rate_factor'),
"opmode": cfg.get('node', 'opmode'),
"window": cfg.get('geigercounter', 'window')
},
"data": {
"source": cfg.get('geigercounter', 'source') if gpio_available else "sim",
"cps": self.cps,
"cps_dtc": self.cps_dtc,
"cpm": self.cpm,
"cpm_dtc": self.cpm_dtc,
"totalcount": self.totalcount,
"totalcount_dtc": self.totalcount_dtc,
"edr": self.edr
},
"annotation": ""
}
return msg
