srd: PDs: More cosmetics.

[libsigrokdecode.git] / decoders / transitioncounter / transitioncounter.py

diff --git a/decoders/transitioncounter/transitioncounter.py b/decoders/transitioncounter/transitioncounter.py
index 4c832b079579cfad067c9cd3102efbab026e87f3..44dda482527cdcee7838e98ffaad0da79456c9aa 100644 (file)
--- a/decoders/transitioncounter/transitioncounter.py
+++ b/decoders/transitioncounter/transitioncounter.py
@@ -18,9 +18,12 @@
 ## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 ##
 
+# Transition counter protocol decoder
+
 import sigrokdecode as srd
 
 class Decoder(srd.Decoder):
+    api_version = 1
     id = 'transitioncounter'
     name = 'Transition counter'
     longname = 'Pin transition counter'
@@ -30,6 +33,7 @@ class Decoder(srd.Decoder):
     inputs = ['logic']
     outputs = ['transitioncounts']
     probes = []
+    optional_probes = []
     options = {}
     annotations = [
         ['TODO', 'TODO'],
@@ -92,7 +96,8 @@ class Decoder(srd.Decoder):
         # TODO: How to only output something after the last chunk of data?
         outdata = []
         for i in range(self.channels):
-            outdata += [[self.transitions[i], self.rising[i], self.falling[i]]]
+            outdata.append([self.transitions[i], self.rising[i],
+                            self.falling[i]])
 
         if outdata != []:
             # self.put(0, 0, self.out_proto, out_proto)