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wmr200: Discard packets with 'interval' of zero (#472)

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Packets with pc adjusted time that occur after the
startup timestamp but before the minimal interval
expected (60 seconds) produce an interval of 0.

Issue: 375
This commit is contained in:
Chris
2019-12-02 13:29:43 -08:00
committed by Tom Keffer
parent 3eb97346b9
commit 0ecd4fed83
1 changed files with 16 additions and 5 deletions
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21
bin/weewx/drivers/wmr200.py
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@@ -1957,13 +1957,24 @@ class WMR200(weewx.drivers.AbstractDevice):
weeutil.weeutil.timestamp_to_string(
pkt.timestamp_record())))
elif pkt.timestamp_record() > since_ts:
# Calculate the rain accumulation between valid archive
# Update the timestamp delta previous value even if
# we do not use this packet. This is so the next archive
# packet, if any, has the proper delta timestamp
# calculation.
timestamp_packet_previous = timestamp_packet_current
# Ensure that the packet has a valid 'interval' field.
packet_record_interval = int(timestamp_packet_interval / 60.0)
if packet_record_interval == 0:
# This packet occurred less than the minimal interval after the
# initial time search space and is discarded.
loginf('genStartup() Discarding received archive record'
' since interval is zero')
return
pkt.record_update({'interval': packet_record_interval})
# Calculate the rain accumulation between valid archive
# packets.
pkt.record_update(adjust_rain(pkt, PacketArchiveData))
# Ensure that the packet has a valid 'interval' field
pkt.record_update({'interval': int(timestamp_packet_interval / 60.0)})
timestamp_packet_previous = timestamp_packet_current
cnt += 1
logdbg(('genStartup() Yielding received archive'
' record cnt:%d after requested timestamp'