diff options
Diffstat (limited to 'decoders/spi')
| -rw-r--r-- | decoders/spi/spi.py | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/decoders/spi/spi.py b/decoders/spi/spi.py index 2f10ef4..1085786 100644 --- a/decoders/spi/spi.py +++ b/decoders/spi/spi.py @@ -74,6 +74,7 @@ class Decoder(srd.Decoder): self.samplenum = -1 self.cs_was_deasserted_during_data_word = 0 self.oldcs = -1 + self.oldpins = None def start(self, metadata): self.out_proto = self.add(srd.OUTPUT_PROTO, 'spi') @@ -84,7 +85,12 @@ class Decoder(srd.Decoder): def decode(self, ss, es, data): # TODO: Either MISO or MOSI could be optional. CS# is optional. - for (self.samplenum, (miso, mosi, sck, cs)) in data: + for (self.samplenum, pins) in data: + + # Ignore identical samples early on (for performance reasons). + if self.oldpins == pins: + continue + self.oldpins, (miso, mosi, sck, cs) = pins, pins if self.oldcs != cs: # Send all CS# pin value changes. |