X-Git-Url: https://sigrok.org/gitweb/?p=libsigrokdecode.git;a=blobdiff_plain;f=decoders%2Fspdif%2Fpd.py;h=ca7e0bb9945693f0a0e5f478f3620b6bcf3be5b8;hp=71de285c71d77515417079c1b6b56af99f1d9825;hb=5302d1e99ed4234b622e7d85ff3e58e2e4648f25;hpb=cc16130e89911cae694c5245df9fd223750c47d3 diff --git a/decoders/spdif/pd.py b/decoders/spdif/pd.py index 71de285..ca7e0bb 100644 --- a/decoders/spdif/pd.py +++ b/decoders/spdif/pd.py @@ -59,7 +59,7 @@ class Decoder(srd.Decoder): self.put(self.ss_edge, self.samplenum, self.out_ann, data) def __init__(self, **kwargs): - self.state = 0 + self.state = 'GET FIRST PULSE WIDTH' self.olddata = None self.ss_edge = None self.first_edge = True @@ -97,13 +97,13 @@ class Decoder(srd.Decoder): def find_first_pulse_width(self): if self.pulse_width != 0: self.clocks.append(self.pulse_width) - self.state = 1 + self.state = 'GET SECOND PULSE WIDTH' def find_second_pulse_width(self): if self.pulse_width > (self.clocks[0] * 1.3) or \ self.pulse_width < (self.clocks[0] * 0.7): self.clocks.append(self.pulse_width) - self.state = 2 + self.state = 'GET THIRD PULSE WIDTH' def find_third_pulse_width(self): if not ((self.pulse_width > (self.clocks[0] * 1.3) or \ @@ -127,7 +127,7 @@ class Decoder(srd.Decoder): self.last_preamble = self.samplenum # We are done recovering the clock, now let's decode the data stream. - self.state = 3 + self.state = 'DECODE STREAM' def decode_stream(self): pulse = self.get_pulse_type(self.pulse_width) @@ -136,7 +136,7 @@ class Decoder(srd.Decoder): # This is probably the start of a preamble, decode it. if pulse == 2: self.preamble.append(self.get_pulse_type(self.pulse_width)) - self.state = 4 # Decode a preamble. + self.state = 'DECODE PREAMBLE' self.ss_edge = self.samplenum - self.pulse_width - 1 return @@ -192,7 +192,7 @@ class Decoder(srd.Decoder): self.seen_preamble = False self.bitcount = 0 - def handle_preamble(self): + def decode_preamble(self): if self.preamble_state == 0: self.preamble.append(self.get_pulse_type(self.pulse_width)) self.preamble_state = 1 @@ -202,7 +202,7 @@ class Decoder(srd.Decoder): elif self.preamble_state == 2: self.preamble.append(self.get_pulse_type(self.pulse_width)) self.preamble_state = 0 - self.state = 3 + self.state = 'DECODE STREAM' if self.preamble == [2, 0, 1, 0]: self.puty([1, ['Preamble W', 'W']]) elif self.preamble == [2, 2, 1, 1]: @@ -241,16 +241,16 @@ class Decoder(srd.Decoder): self.first_edge = False self.pulse_width = 0 else: - if self.state == 0: + if self.state == 'GET FIRST PULSE WIDTH': self.find_first_pulse_width() - elif self.state == 1: + elif self.state == 'GET SECOND PULSE WIDTH': self.find_second_pulse_width() - elif self.state == 2: + elif self.state == 'GET THIRD PULSE WIDTH': self.find_third_pulse_width() - elif self.state == 3: + elif self.state == 'DECODE STREAM': self.decode_stream() - elif self.state == 4: - self.handle_preamble() + elif self.state == 'DECODE PREAMBLE': + self.decode_preamble() self.pulse_width = 0