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Small efficiency improvements in processing results of capture

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Jonathan Hogg
2017-07-04 15:42:49 +01:00
parent 3075dac302
commit d29be6ba76
1 changed files with 5 additions and 4 deletions
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9
scope.py
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@ -249,11 +249,12 @@ class Scope(vm.VirtualMachine):
value_multiplier, value_offset = (1, 0) if raw else ((high-low), low+self.analog_offsets[channel])
if capture_mode.sample_width == 2:
data = struct.unpack(f'>{asamples}h', data)
data = [(value/65536+0.5)*value_multiplier + value_offset for value in data]
data = ((value/65536+0.5)*value_multiplier + value_offset for value in data)
else:
data = [(value/256)*value_multiplier + value_offset for value in data]
traces[channel] = {(t+dump_channel*ticks*clock_scale)*self.capture_clock_period: value
for (t, value) in zip(range(start_timestamp, timestamp, ticks*clock_scale*len(analog_channels)), data)}
data = ((value/256)*value_multiplier + value_offset for value in data)
ts = (t*self.capture_clock_period for t in range(start_timestamp+dump_channel*ticks*clock_scale, timestamp,
ticks*clock_scale*len(analog_channels)))
traces[channel] = dict(zip(ts, data))
if logic_channels:
async with self.transaction():