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-rw-r--r--decoders/timing/pd.py17
1 files changed, 9 insertions, 8 deletions
diff --git a/decoders/timing/pd.py b/decoders/timing/pd.py
index e687562..f14b64f 100644
--- a/decoders/timing/pd.py
+++ b/decoders/timing/pd.py
@@ -98,7 +98,7 @@ class Decoder(srd.Decoder):
raise SamplerateError('Cannot decode without samplerate.')
edge = self.options['edge']
avg_period = self.options['avg_period']
- last_samplenum = None
+ ss = None
last_n = deque()
last_t = None
while True:
@@ -109,10 +109,11 @@ class Decoder(srd.Decoder):
else:
pin = self.wait({Pin.DATA: 'e'})
- if not last_samplenum:
- last_samplenum = self.samplenum
+ if not ss:
+ ss = self.samplenum
continue
- samples = self.samplenum - last_samplenum
+ es = self.samplenum
+ samples = es - ss
t = samples / self.samplerate
if t > 0:
@@ -120,14 +121,14 @@ class Decoder(srd.Decoder):
if len(last_n) > avg_period:
last_n.popleft()
- self.put(last_samplenum, self.samplenum, self.out_ann,
+ self.put(ss, es, self.out_ann,
[Ann.TIME, [normalize_time(t)]])
if avg_period > 0:
- self.put(last_samplenum, self.samplenum, self.out_ann,
+ self.put(ss, es, self.out_ann,
[Ann.AVG, [normalize_time(sum(last_n) / len(last_n))]])
if last_t and self.options['delta'] == 'yes':
- self.put(last_samplenum, self.samplenum, self.out_ann,
+ self.put(ss, es, self.out_ann,
[Ann.DELTA, [normalize_time(t - last_t)]])
last_t = t
- last_samplenum = self.samplenum
+ ss = es