- 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.
+ self.put(self.samplenum, self.samplenum, self.out_proto,
+ ['CS-CHANGE', self.oldcs, cs])
+ self.put(self.samplenum, self.samplenum, self.out_ann,
+ [0, ['CS-CHANGE: %d->%d' % (self.oldcs, cs)]])
+ self.oldcs = cs