X-Git-Url: https://sigrok.org/gitweb/?p=libsigrokdecode.git;a=blobdiff_plain;f=decoders%2Fonewire_link%2Fpd.py;h=93cd51a1a1bdd984a4aa0536f18d42e8de93d225;hp=9503d15b93fb7c80eca3144b1728652fb3db857c;hb=21cda9512f29947617da45822ab524b1f76f56c1;hpb=e28f7aee3b96afeb543e0c3c29e3950ddd61a490

diff --git a/decoders/onewire_link/pd.py b/decoders/onewire_link/pd.py
index 9503d15..93cd51a 100644
--- a/decoders/onewire_link/pd.py
+++ b/decoders/onewire_link/pd.py
@@ -20,6 +20,9 @@
 
 import sigrokdecode as srd
 
+class SamplerateError(Exception):
+    pass
+
 class Decoder(srd.Decoder):
     api_version = 2
     id = 'onewire_link'
@@ -185,8 +188,8 @@ class Decoder(srd.Decoder):
                  % (time_min*1000000, time_max*1000000)]])
 
     def decode(self, ss, es, data):
-        if self.samplerate is None:
-            raise Exception("Cannot decode without samplerate.")
+        if not self.samplerate:
+            raise SamplerateError('Cannot decode without samplerate.')
         for (self.samplenum, (owr, pwr)) in data:
             # State machine.
             if self.state == 'WAIT FOR FALLING EDGE':