Hello again.
Through further testing I think it is the UV sensor.
For example:
b3050100b8 -> ignore b3, gives 5 : 1 : 0 : 185
b3050200ba -> ignore b3, gives 5 : 2 : 0 : 186
So bit 1 always gives 5 - Could be battery status not sure
Bit 2 seems to tally with what the WMR89 is displaying on its screen
Bit 3 is always 0
Bit 4 is 184 plus bit 2
I have added the following to the driver and am getting what looks to be
sensible readings:
def _wmr89_uv_packet(self, packet):
## 0 1 2 3 4
## b3 05 00 00 b8
## b3 05 01 00 b9
## b3 05 02 00 ba
## looks like 2 is the UV reading although 4 is 184 + UV reading at
the moment
#Get readings from the packet to print out to syslog for testing
num1=ord(packet[1])
num2=ord(packet[2])
num3=ord(packet[3])
num4=ord(packet[4])
Send readings to the syslog
logdbg("UV1 : " + str(num1) + " UV2 : " + str(num2) + " UV3 : " +
str(num3) + " UV4 : " + str(num4))
_record = {'uv': ord(packet[2]),
#'battery_status_uv': packet[0] >> 4,
'dateTime': int(time.time() + 0.5),
'usUnits': weewx.METRIC
}
return _record
To get it all working and to help people like me who have no real idea on
how to code you'll need to add the following to the driver:
class WMR89(weewx.drivers.AbstractDevice):
"""Driver for the Oregon Scientific WMR89 console.
The connection to the console will be open after initialization"""
DEFAULT_MAP = {
'barometer': 'barometer',
'pressure': 'pressure',
...
'windchill': 'windchill',
'UV': 'uv'}
...
and in *def genLoopPackets(self):*
elif decode[i][0].encode('hex')=='b5':#T/Hum OK
_record = self._wmr89_temp_packet(decode[i])
elif decode[i][0].encode('hex')=='b3': #UV ?
_record = self._wmr89_uv_packet(decode[i])
else:
...
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