diff options
Diffstat (limited to 'decoders/i2c/i2c.py')
| -rw-r--r-- | decoders/i2c/i2c.py | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/decoders/i2c/i2c.py b/decoders/i2c/i2c.py index 0e79497..53321eb 100644 --- a/decoders/i2c/i2c.py +++ b/decoders/i2c/i2c.py @@ -88,6 +88,7 @@ class Decoder(srd.Decoder): self.state = 'FIND START' self.oldscl = None self.oldsda = None + self.oldpins = None def start(self, metadata): self.out_proto = self.add(srd.OUTPUT_PROTO, 'i2c') @@ -198,7 +199,12 @@ class Decoder(srd.Decoder): super(Decoder, self).put(self.startsample, self.samplenum, output_id, data) def decode(self, ss, es, data): - for (self.samplenum, (scl, sda)) in data: + for (self.samplenum, pins) in data: + + # Ignore identical samples early on (for performance reasons). + if self.oldpins == pins: + continue + self.oldpins, (scl, sda) = pins, pins # First sample: Save SCL/SDA value. if self.oldscl == None: |