diff options
Diffstat (limited to 'decoders/uart/uart.py')
| -rw-r--r-- | decoders/uart/uart.py | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/decoders/uart/uart.py b/decoders/uart/uart.py index bb4d9e6..92c105c 100644 --- a/decoders/uart/uart.py +++ b/decoders/uart/uart.py @@ -103,6 +103,7 @@ class Decoder(srd.Decoder): self.startsample = [-1, -1] self.state = ['WAIT FOR START BIT', 'WAIT FOR START BIT'] self.oldbit = [None, None] + self.oldpins = None def start(self, metadata): self.samplerate = metadata['samplerate'] @@ -265,7 +266,12 @@ class Decoder(srd.Decoder): def decode(self, ss, es, data): # TODO: Either RX or TX could be omitted (optional probe). - for (self.samplenum, (rx, tx)) in data: + for (self.samplenum, pins) in data: + + # Ignore identical samples early on (for performance reasons). + if self.oldpins == pins: + continue + self.oldpins, (rx, tx) = pins, pins # First sample: Save RX/TX value. if self.oldbit[RX] == None: |