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#!/usr/bin/env python3
from RFXtrx import PySerialTransport
import sys, datetime, os
if __name__ == "__main__":
transport = PySerialTransport('/dev/ttyUSB0')
transport.reset()
while True:
if os.path.isfile('/home/pi/weather/stop'):
break
recv = transport.receive_blocking()
if not recv:
continue
timestamp = datetime.datetime.timestamp(datetime.datetime.now())
sys.stderr.write("Raw: %s\n"%str(recv))
try:
device_id = recv.device.id_string
device_type = recv.device.type_string
except Exception as e:
sys.stderr.write("Cannot find device id, exception %s." % str(e))
continue
data = {}
for k,v in recv.values.items():
data[k.lower().replace(" ", "_")] = v
data_type = None
if "rain_rate" in data:
data_type = "rain"
elif "wind_gust" in data:
data_type = "wind"
elif "temperature" in data:
data_type = "temp"
else:
sys.stderr.write("Unknown device '%s' with id '%s', ignoring.\n"%(device_type, device_id))
continue
out = [ "type::%s" % data_type,
"timestamp::%f" % timestamp,
"device_type::%s" % device_type,
"device_id::%s" % device_id ]
for key in sorted(data.keys()):
out.append("%s::%s" % (key, data[key]))
print("\t".join(out))
sys.stderr.flush()
sys.stdout.flush()
sys.stderr.write("stop\n")
sys.stdout.flush()
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