]
def __init__(self, **kwargs):
+ self.samplerate = None
self.state = 'WAIT FOR RISING EDGE'
self.oldpins = None
self.oldval = None
self.bitcount = 0 # Counter for the DCF77 bits (0..58)
self.dcf77_bitnumber_is_known = 0
- def start(self, metadata):
- self.samplerate = metadata['samplerate']
+ def start(self):
# self.out_proto = self.add(srd.OUTPUT_PROTO, 'dcf77')
self.out_ann = self.add(srd.OUTPUT_ANN, 'dcf77')
+ def metadata(self, key, value):
+ if key == srd.SRD_CONF_SAMPLERATE:
+ self.samplerate = value
+
def report(self):
pass
raise Exception('Invalid DCF77 bit: %d' % c)
def decode(self, ss, es, data):
+ if self.samplerate is None:
+ raise Exception("Cannot decode without samplerate.")
for (self.samplenum, pins) in data:
# Ignore identical samples early on (for performance reasons).