self.put(s - halfbit, s + halfbit, self.out_proto, data)
def __init__(self, **kwargs):
+ self.samplerate = None
self.samplenum = 0
self.frame_start = [-1, -1]
self.startbit = [-1, -1]
self.oldbit = [1, 1]
self.oldpins = [1, 1]
- def start(self, metadata):
- self.samplerate = metadata['samplerate']
- self.out_proto = self.add(srd.OUTPUT_PROTO, 'uart')
- self.out_ann = self.add(srd.OUTPUT_ANN, 'uart')
+ def start(self):
+ self.out_proto = self.register(srd.OUTPUT_PYTHON)
+ self.out_ann = self.register(srd.OUTPUT_ANN)
- # The width of one UART bit in number of samples.
- self.bit_width = \
- float(self.samplerate) / float(self.options['baudrate'])
+ def metadata(self, key, value):
+ if key == srd.SRD_CONF_SAMPLERATE:
+ self.samplerate = value;
+ # The width of one UART bit in number of samples.
+ self.bit_width = float(self.samplerate) / float(self.options['baudrate'])
def report(self):
pass
self.putg([4, ['Stop bit', 'Stop', 'T']])
def decode(self, ss, es, data):
+ if self.samplerate is None:
+ raise Exception("Cannot decode without samplerate.")
# TODO: Either RX or TX could be omitted (optional probe).
for (self.samplenum, pins) in data: