transitioncounter: Add register() function.

[libsigrokdecode.git] / scripts / transitioncounter.py

diff --git a/scripts/transitioncounter.py b/scripts/transitioncounter.py
index 7c9c6a3e3d05bef37be6a57f399226968c034e4d..a9e83f774b18d0d00ce01c460d9829b18e78e7c8 100644 (file)
--- a/scripts/transitioncounter.py
+++ b/scripts/transitioncounter.py
@@ -41,7 +41,7 @@ def sigrokdecode_count_transitions(inbuf):
        # Presets...
        oldbyte = inbuf[0]
        for i in range(channels):
-               oldbit[i] = (oldbyte & (1 << i)) != 0
+               oldbit[i] = (oldbyte & (1 << i)) >> i
 
        # Loop over all samples.
        # TODO: Handle LAs with more/less than 8 channels.
@@ -50,7 +50,7 @@ def sigrokdecode_count_transitions(inbuf):
                if oldbyte == s:
                        continue
                for i in range(channels):
-                       curbit = (s & (1 << i) != 0)
+                       curbit = (s & (1 << i)) >> i
                        # Optimization: Skip identical bits (no transitions).
                        if oldbit[i] == curbit:
                                continue
@@ -77,6 +77,17 @@ def sigrokdecode_count_transitions(inbuf):
 
        return outbuf
 
+def register():
+       return {
+               'id': 'transitioncounter',
+               'name': 'Transition counter',
+               'description': 'TODO',
+               'function': 'sigrokdecode_count_transitions',
+               'inputformats': ['raw'],
+               'signalnames': {}, # FIXME
+               'outputformats': ['transitioncounts'],
+       }
+
 # Use psyco (if available) as it results in huge performance improvements.
 try:
        import psyco