diff options
Diffstat (limited to 'decoders/ir_irmp/pd.py')
| -rw-r--r-- | decoders/ir_irmp/pd.py | 40 |
1 files changed, 21 insertions, 19 deletions
diff --git a/decoders/ir_irmp/pd.py b/decoders/ir_irmp/pd.py index 979c1e0..b8df819 100644 --- a/decoders/ir_irmp/pd.py +++ b/decoders/ir_irmp/pd.py @@ -3,6 +3,7 @@ ## ## Copyright (C) 2014 Gump Yang <gump.yang@gmail.com> ## Copyright (C) 2019 Rene Staffen +## Copyright (C) 2020-2021 Gerhard Sittig <gerhard.sittig@gmx.net> ## ## This program is free software; you can redistribute it and/or modify ## it under the terms of the GNU General Public License as published by @@ -97,7 +98,7 @@ class Decoder(srd.Decoder): self.reset() def reset(self): - self.want_reset = True + pass def start(self): self.out_ann = self.register(srd.OUTPUT_ANN) @@ -113,25 +114,26 @@ class Decoder(srd.Decoder): except Exception as e: txt = e.args[0] raise LibraryError(txt) - if self.irmp: - self.lib_rate = self.irmp.get_sample_rate() - if not self.irmp or not self.lib_rate: - raise LibraryError('Cannot access IRMP library. One instance limit exceeded?') + if not self.irmp: + raise LibraryError('Cannot access IRMP library.') if not self.samplerate: raise SamplerateError('Cannot decode without samplerate.') - if self.samplerate % self.lib_rate: - raise SamplerateError('Capture samplerate must be multiple of library samplerate ({})'.format(self.lib_rate)) - self.rate_factor = int(self.samplerate / self.lib_rate) - if self.want_reset: - self.irmp.reset_state() - self.want_reset = False + lib_rate = self.irmp.get_sample_rate() + if not lib_rate: + raise LibraryError('Cannot determine IRMP library\'s samplerate.') + if self.samplerate % lib_rate: + raise SamplerateError('Capture samplerate must be multiple of library samplerate ({})'.format(lib_rate)) + + self.rate_factor = int(self.samplerate / lib_rate) + active = 0 if self.options['polarity'] == 'active-low' else 1 - self.active = 0 if self.options['polarity'] == 'active-low' else 1 ir, = self.wait() - while True: - if self.active == 1: - ir = 1 - ir - if self.irmp.add_one_sample(ir): - data = self.irmp.get_result_data() - self.putframe(data) - ir, = self.wait([{'skip': self.rate_factor}]) + with self.irmp: + self.irmp.reset_state() + while True: + if active == 1: + ir = 1 - ir + if self.irmp.add_one_sample(ir): + data = self.irmp.get_result_data() + self.putframe(data) + ir, = self.wait([{'skip': self.rate_factor}]) |