X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=decoders%2Fir_nec%2Fpd.py;fp=decoders%2Fir_nec%2Fpd.py;h=d14c7d33215b093fe0b74a6a23eb7d7c877d1eb3;hb=c9cab77330c04d2d68aa341185d77485a17659d4;hp=94e232f0b743b8cef8a21d1307ee084f0e46af16;hpb=a5bc1dba32b3b180ce1ec9d936aff761810a0997;p=libsigrokdecode.git

diff --git a/decoders/ir_nec/pd.py b/decoders/ir_nec/pd.py
index 94e232f..d14c7d3 100644
--- a/decoders/ir_nec/pd.py
+++ b/decoders/ir_nec/pd.py
@@ -21,6 +21,9 @@
 import sigrokdecode as srd
 from .lists import *
 
+class SamplerateError(Exception):
+    pass
+
 class Decoder(srd.Decoder):
     api_version = 2
     id = 'ir_nec'
@@ -148,8 +151,8 @@ class Decoder(srd.Decoder):
         return ret == 0
 
     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:
             self.ir = pins[0]
 
@@ -199,8 +202,5 @@ class Decoder(srd.Decoder):
                 self.putremote()
                 self.ss_bit = self.ss_start = self.samplenum
                 self.state = 'IDLE'
-            else:
-                raise Exception('Invalid state: %s' % self.state)
 
             self.old_ir = self.ir
-