summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--decoders/spdif/pd.py26
1 files changed, 13 insertions, 13 deletions
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