Various PDs: Throw SamplerateError instead of Exception.

[libsigrokdecode.git] / decoders / guess_bitrate / pd.py

diff --git a/decoders/guess_bitrate/pd.py b/decoders/guess_bitrate/pd.py
index ab698a9584129889366d4e1a08efdba11d4a12e2..1d7434beb738fadfd2f51b91ddbf95502e1e9cb3 100644 (file)
--- a/decoders/guess_bitrate/pd.py
+++ b/decoders/guess_bitrate/pd.py
@@ -20,8 +20,11 @@
 
 import sigrokdecode as srd
 
+class SamplerateError(Exception):
+    pass
+
 class Decoder(srd.Decoder):
-    api_version = 1
+    api_version = 2
     id = 'guess_bitrate'
     name = 'Guess bitrate'
     longname = 'Guess bitrate/baudrate'
@@ -53,8 +56,8 @@ class Decoder(srd.Decoder):
             self.samplerate = value;
 
     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, pins) in data:
 
             data = pins[0]