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Diffstat (limited to 'decoders/ir_nec6122/pd.py')
| -rw-r--r-- | decoders/ir_nec6122/pd.py | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/decoders/ir_nec6122/pd.py b/decoders/ir_nec6122/pd.py deleted file mode 100644 index ba1cdf9..0000000 --- a/decoders/ir_nec6122/pd.py +++ /dev/null @@ -1,172 +0,0 @@ -## -## This file is part of the libsigrokdecode project. -## -## Copyright (C) 2014 Gump Yang <gump.yang@gmail.com> -## -## 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 -## the Free Software Foundation; either version 2 of the License, or -## (at your option) any later version. -## -## This program is distributed in the hope that it will be useful, -## but WITHOUT ANY WARRANTY; without even the implied warranty of -## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -## GNU General Public License for more details. -## -## You should have received a copy of the GNU General Public License -## along with this program; if not, write to the Free Software -## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA -## - -import sigrokdecode as srd - -class Decoder(srd.Decoder): - api_version = 1 - id = 'ir_nec6122' - name = 'IR NEC 6122' - longname = '1-Wire Infrared remote controller NEC 6122' - desc = 'Unidirectional, asynchronous serial bus.' - license = 'gplv2+' - inputs = ['logic'] - outputs = ['ir_nec6122'] - probes = [ - {'id': 'ir', 'name': 'IR', 'desc': 'Data line'}, - ] - optional_probes = [] - options = { - 'level': ['Tirgger Level L/H', 0], - 'cnt_peroid': ['Peroid time (us)', 13500], - 'cnt_repeat': ['Repeat time (us)', 11250], - 'cnt_repeat_end': ['Repeat end time (us)', 562], - 'cnt_accuracy': ['Accuracy range (us)', 100], - 'cnt_dazero': ['Data 0 time (us)', 1125], - 'cnt_daone': ['Data 1 time (us)', 2250], - 'polarity': ['Polarity', 'active-low'], - } - annotations = [ - ['bit', 'Bit'], - ['preoid', 'Preoid'], - ['info', 'Info'], - ['error', 'Error'], - ] - annotation_rows = ( - ('fields', 'Fields', (1, 2, 3, 4, 5, 6)), - ('bits', 'Bits', (0,)), - ) - - def putx(self, data): - self.put(self.ss_edge, self.samplenum, self.out_ann, data) - - def putx(self, data): - self.put(self.ss_start, self.samplenum, self.out_ann, data) - - def putb(self, data): - self.put(self.ss_bit, self.samplenum, self.out_ann, data) - - def __init__(self, **kwargs): - self.olddata = None - self.ss_edge = 0 - self.ss_bit = 0 - self.first_transition = True - self.bitwidth = None - self.state = 'IDLE' - self.data = 0; - self.count = 0; - self.ss_start = 0 - self.act_polar = 0 - - def start(self): - # self.out_python = self.register(srd.OUTPUT_PYTHON) - self.out_ann = self.register(srd.OUTPUT_ANN) - self.act_polar = 1 if self.options['polarity'] == 'active-low' else 0 - self.old_ir = self.act_polar - - def metadata(self, key, value): - if key == srd.SRD_CONF_SAMPLERATE: - self.samplerate = value - samplerate = float(self.samplerate) - - x = float(self.options['cnt_accuracy']) / 1000000.0 - self.margin = int(samplerate * x) - 1 - x = float(self.options['cnt_peroid']) / 1000000.0 - self.preoid = int(samplerate * x) - 1 - x = float(self.options['cnt_repeat']) / 1000000.0 - self.repeat = int(samplerate * x) - 1 - x = float(self.options['cnt_repeat_end']) / 1000000.0 - self.repeat_end = int(samplerate * x) - 1 - x = float(self.options['cnt_dazero']) / 1000000.0 - self.dazero = int(samplerate * x) - 1 - x = float(self.options['cnt_daone']) / 1000000.0 - self.daone = int(samplerate * x) - 1 - x = float(10000) / 1000000.0 - self.end = int(samplerate * x) - 1 - - def handle_bits(self, tick): - ret = 0xff - if tick in range(self.dazero - self.margin, - self.dazero + self.margin): - ret = 0 - elif tick in range(self.daone - self.margin, - self.daone + self.margin): - ret = 1 - - if ret < 2: - self.putb([0, ['%d' % ret]]) - self.data = self.data * 2 + ret - self.count = self.count + 1 - - self.ss_bit = self.samplenum - return ret; - - def data_judge(self, name): - buf = int((self.data & 0xff00) / 0x100) - nbuf = int(self.data & 0xff) - ret = buf & nbuf - if ret == 0: - self.putx([2, ['%s: 0x%02x' % (name, buf)]]) - else: - self.putx([3, ['%s Error: 0x%04x' % (name, self.data)]]) - - self.data = self.count = 0 - self.ss_bit = self.ss_start = self.samplenum - return ret - - def decode(self, ss, es, data): - if self.samplerate is None: - raise Exception("Cannot decode without samplerate.") - for (self.samplenum, pins) in data: - self.ir = pins[0] - - # Wait for any edge (rising or falling). - if self.old_ir == self.ir: - continue - - if self.old_ir == self.act_polar: - b = self.samplenum - self.ss_bit - # State machine. - if self.state == 'IDLE': - if b in range(self.preoid - self.margin, - self.preoid + self.margin): - self.putx([1, ['Preoid', 'Pre', 'P']]) - self.data = self.count = 0 - self.state = 'ADDRESS' - elif b in range(self.repeat - self.margin, - self.repeat + self.margin): - self.putx([1, ['Repeat', 'Rep', 'R']]) - self.data = self.count = 0 - self.ss_bit = self.ss_start = self.samplenum - elif self.state == 'ADDRESS': - self.handle_bits(b) - if self.count > 15: - if self.data_judge(self.state) == 0: - self.state = 'CODE' - else: - self.state = 'IDLE' - elif self.state == 'CODE': - self.handle_bits(b) - if self.count > 15: - self.data_judge(self.state) - self.state = 'IDLE' - - self.old_ir = self.ir - |