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-rw-r--r--decoders/caliper/pd.py22
1 files changed, 10 insertions, 12 deletions
diff --git a/decoders/caliper/pd.py b/decoders/caliper/pd.py
index ff7d314..20a2a55 100644
--- a/decoders/caliper/pd.py
+++ b/decoders/caliper/pd.py
@@ -77,7 +77,7 @@ class Decoder(srd.Decoder):
self.put(ss, es, self.out_ann, [cls, data])
def decode(self):
- last_measurement = None
+ last_sent = None
timeout_ms = self.options['timeout_ms']
want_unit = self.options['unit']
show_all = self.options['changes'] == 'no'
@@ -123,26 +123,24 @@ class Decoder(srd.Decoder):
if negative:
number = -number
if is_inch:
- number = number / 2000
+ number /= 2000
if want_unit == 'mm':
number *= mm_per_inch
is_inch = False
else:
- number = number / 100
+ number /= 100
if want_unit == 'inch':
number = round(number / mm_per_inch, 4)
is_inch = True
+ unit = 'in' if is_inch else 'mm'
- units = "in" if is_inch else "mm"
-
- measurement = (str(number) + units)
-
- if show_all or measurement != last_measurement:
+ # Construct and emit an annotation.
+ if show_all or (number, unit) != last_sent:
self.putg(self.ss, self.es, 0, [
- measurement,
- str(number),
+ '{number}{unit}'.format(**locals()),
+ '{number}'.format(**locals()),
])
- last_measurement = measurement
+ last_sent = (number, unit)
- # Prepare for next packet.
+ # Reset internal state for the start of the next packet.
self.reset()