X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;ds=sidebyside;f=decoders%2Fi2cfilter%2Fi2cfilter.py;h=fad11c31d77a718023dda904c3a00ffa59bb3b86;hb=ee3e279c7558b388410d16cbce9db6c80e9c0c67;hp=6c1f4c862e300d80dcfe457aa4ecdad00fa06ffd;hpb=e4f822680083b65e34b9c8b091025f66ea6efde6;p=libsigrokdecode.git

diff --git a/decoders/i2cfilter/i2cfilter.py b/decoders/i2cfilter/i2cfilter.py
index 6c1f4c8..fad11c3 100644
--- a/decoders/i2cfilter/i2cfilter.py
+++ b/decoders/i2cfilter/i2cfilter.py
@@ -30,10 +30,13 @@ class Decoder(srd.Decoder):
     license = 'gplv3+'
     inputs = ['i2c']
     outputs = []
+    probes = []
+    optional_probes = []
     options = {
         'address': ['Address to filter out of the I2C stream', 0],
         'direction': ['Direction to filter (read/write)', '']
     }
+    annotations = []
 
     def __init__(self, **kwargs):
         self.state = None
@@ -41,11 +44,14 @@ class Decoder(srd.Decoder):
     def start(self, metadata):
         self.out_proto = self.add(srd.OUTPUT_PROTO, 'i2cdata')
         if self.options['direction'] not in ('', 'read', 'write'):
-            raise Exception("Invalid direction: expected 'read' or 'write'")
+            raise Exception('Invalid direction: expected "read" or "write"')
+
+    def report(self):
+        pass
 
     def decode(self, ss, es, data):
         try:
-            cmd, data, ack_bit = data
+            cmd, data = data
         except Exception as e:
             raise Exception('Malformed I2C input: %s' % str(e)) from e
 
@@ -57,6 +63,9 @@ class Decoder(srd.Decoder):
         if cmd == 'STOP':
             self.state = None
             return
+        if cmd in ('ACK', 'NACK'):
+            # Don't care, we just want data.
+            return
 
         if self.state == 'start':
             # Start of a transfer, see if we want this one.