diff options
Diffstat (limited to 'decoders/dcf77')
| -rw-r--r-- | decoders/dcf77/dcf77.py | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/decoders/dcf77/dcf77.py b/decoders/dcf77/dcf77.py index 4da9bc4..c4132e9 100644 --- a/decoders/dcf77/dcf77.py +++ b/decoders/dcf77/dcf77.py @@ -50,6 +50,7 @@ class Decoder(srd.Decoder): def __init__(self, **kwargs): self.state = 'WAIT FOR RISING EDGE' + self.oldpins = None self.oldval = None self.oldpon = None self.samplenum = 0 @@ -197,7 +198,12 @@ class Decoder(srd.Decoder): raise Exception('Invalid DCF77 bit: %d' % c) def decode(self, ss, es, data): - for (self.samplenum, (val, pon)) in data: + for (self.samplenum, pins) in data: + + # Ignore identical samples early on (for performance reasons). + if self.oldpins == pins: + continue + self.oldpins, (val, pon) = pins, pins # Always remember the old PON state. if self.oldpon != pon: |