diff options
Diffstat (limited to 'decoders/can')
| -rw-r--r-- | decoders/can/pd.py | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/decoders/can/pd.py b/decoders/can/pd.py index 61b0a74..91ccf42 100644 --- a/decoders/can/pd.py +++ b/decoders/can/pd.py @@ -60,15 +60,18 @@ class Decoder(srd.Decoder): ] def __init__(self, **kwargs): + self.samplerate = None self.reset_variables() - def start(self, metadata): + def start(self): # self.out_proto = self.add(srd.OUTPUT_PROTO, 'can') self.out_ann = self.add(srd.OUTPUT_ANN, 'can') - self.samplerate = metadata['samplerate'] - self.bit_width = float(self.samplerate) / float(self.options['bitrate']) - self.bitpos = (self.bit_width / 100.0) * self.options['sample_point'] + def metadata(self, key, value): + if key == srd.SRD_CONF_SAMPLERATE: + self.samplerate = value + self.bit_width = float(self.samplerate) / float(self.options['bitrate']) + self.bitpos = (self.bit_width / 100.0) * self.options['sample_point'] def report(self): pass @@ -362,6 +365,8 @@ class Decoder(srd.Decoder): self.curbit += 1 def decode(self, ss, es, data): + if self.samplerate is None: + raise Exception("Cannot decode without samplerate.") for (self.samplenum, pins) in data: (can_rx,) = pins |