diff options
Diffstat (limited to 'decoders/i2s')
| -rw-r--r-- | decoders/i2s/pd.py | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/decoders/i2s/pd.py b/decoders/i2s/pd.py index 989a5a5..dc42a4e 100644 --- a/decoders/i2s/pd.py +++ b/decoders/i2s/pd.py @@ -33,6 +33,9 @@ Packet: <value>: integer ''' +class SamplerateError(Exception): + pass + class Decoder(srd.Decoder): api_version = 2 id = 'i2s' @@ -128,8 +131,8 @@ class Decoder(srd.Decoder): return bytes([lo, hi]) 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, (sck, ws, sd) in data: # Ignore sample if the bit clock hasn't changed. |