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detect invalid wind direction

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Matthew Wall
2014-01-23 14:01:51 +00:00
parent a9c4f00f89
commit 29d3b04a5d
1 changed files with 6 additions and 1 deletions
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7
bin/weewx/drivers/fousb.py
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@@ -494,6 +494,11 @@ def _decode(raw, fmt):
result = raw[pos] + ((raw[pos+1] & 0xF0) << 4)
if result == 0xFFF:
result = None
elif typ == 'wd':
# wind direction - check bit 7 for invalid
result = raw[pos]
if result & 0x80:
result = None
elif typ == 'bf':
# bit field - 'scale' is a list of bit names
result = {}
@@ -1405,7 +1410,7 @@ reading_format['1080'] = {
'abs_pressure' : (7, 'us', 0.1),
'wind_ave' : (9, 'wa', 0.1),
'wind_gust' : (10, 'wg', 0.1),
'wind_dir' : (12, 'ub', None),
'wind_dir' : (12, 'wd', None),
'rain' : (13, 'us', 0.3),
'status' : (15, 'pb', None),
}