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-rw-r--r--decoders/ir_sirc/__init__.py20
-rw-r--r--decoders/ir_sirc/lists.py202
-rw-r--r--decoders/ir_sirc/pd.py191
3 files changed, 413 insertions, 0 deletions
diff --git a/decoders/ir_sirc/__init__.py b/decoders/ir_sirc/__init__.py
new file mode 100644
index 0000000..7e1342c
--- /dev/null
+++ b/decoders/ir_sirc/__init__.py
@@ -0,0 +1,20 @@
+##
+## This file is part of the libsigrokdecode project.
+##
+## Copyright (C) 2020 Tom Flanagan <knio@zkpq.ca>
+##
+## 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, see <http://www.gnu.org/licenses/>.
+##
+
+from .pd import Decoder
diff --git a/decoders/ir_sirc/lists.py b/decoders/ir_sirc/lists.py
new file mode 100644
index 0000000..291240d
--- /dev/null
+++ b/decoders/ir_sirc/lists.py
@@ -0,0 +1,202 @@
+##
+## This file is part of the libsigrokdecode project.
+##
+## Copyright (C) 2020 Tom Flanagan <knio@zkpq.ca>
+##
+## 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, see <http://www.gnu.org/licenses/>.
+##
+
+NUMBERS = {
+ 0x00: '1',
+ 0x01: '2',
+ 0x02: '3',
+ 0x03: '4',
+ 0x04: '5',
+ 0x05: '6',
+ 0x06: '7',
+ 0x07: '8',
+ 0x08: '9',
+ 0x09: '0/10',
+}
+
+
+ADDRESSES = {
+ # TV
+ (0x01, None): (['TV: ', 'TV:'], {
+ 0x15: 'Power',
+ 0x25: 'Input',
+
+ 0x33: 'Right',
+ 0x34: 'Left',
+ 0x3A: 'Display',
+
+ 0x60: 'Home',
+ 0x65: 'Enter',
+
+ 0x74: 'Up',
+ 0x75: 'Down',
+
+ }),
+
+ # Video
+ (0x0B, None): (['Video: ', 'V:'], {
+ 0x18: 'Stop',
+ 0x19: 'Pause',
+ 0x1A: 'Play',
+ 0x1B: 'Rewind',
+ 0x1C: 'Fast Forward',
+
+ 0x42: 'Up',
+ 0x43: 'Down',
+ 0x4D: 'Home',
+
+ 0x51: 'Enter',
+ 0x5A: 'Display',
+
+ 0x61: 'Right',
+ 0x62: 'Left',
+ }),
+
+ # BR Input select
+ (0x10, 0x28): (['BlueRay: ', 'BR:'], {
+ 0x16: 'BlueRay',
+ }),
+
+ # Amp, Game, Sat, Tuner, USB
+ (0x10, 0x08): (['Playback: ', 'PB:'], {
+ 0x2A: 'Shuffle',
+ 0x2C: 'Repeat',
+ 0x2E: 'Folder Down',
+ 0x2F: 'Folder Up',
+
+ 0x30: 'Previous',
+ 0x31: 'Next',
+ 0x32: 'Play',
+ 0x33: 'Rewind',
+ 0x34: 'Fast Forward',
+ 0x38: 'Stop',
+ 0x39: 'Pause',
+
+ 0x73: 'Options',
+ 0x7D: 'Return',
+ }),
+
+ # CD
+ (0x11, None): (['CD: ', 'CD:'], {
+ 0x28: 'Display',
+
+ 0x30: 'Previous',
+ 0x31: 'Next',
+ 0x32: 'Play',
+ 0x33: 'Rewind',
+ 0x34: 'Fast Forward',
+ 0x38: 'Stop',
+ 0x39: 'Pause',
+ }),
+
+ # BD
+ (0x1A, 0xE2): (['BlueRay: ', 'BD:'], {
+ 0x18: 'Stop',
+ 0x19: 'Pause',
+ 0x1A: 'Play',
+ 0x1B: 'Rewind',
+ 0x1C: 'Fast Forward',
+
+ 0x29: 'Menu',
+ 0x2C: 'Top Menu',
+
+ 0x39: 'Up',
+ 0x3A: 'Down',
+ 0x3B: 'Left',
+ 0x3C: 'Right',
+ 0x3D: 'Enter',
+ 0x3F: 'Options',
+
+ 0x41: 'Display',
+ 0x42: 'Home',
+ 0x43: 'Return',
+
+ 0x56: 'Next',
+ 0x57: 'Previous',
+ }),
+
+ # DVD
+ (0x1A, 0x49): (['DVD: ', 'DVD:'], {
+ 0x0B: 'Enter',
+ 0x0E: 'Return',
+ 0x17: 'Options',
+
+ 0x1A: 'Top Menu',
+ 0x1B: 'Menu',
+
+ 0x30: 'Previous',
+ 0x31: 'Next',
+ 0x32: 'Play',
+ 0x33: 'Rewind',
+ 0x34: 'Fast Forward',
+ 0x38: 'Stop',
+ 0x39: 'Pause',
+
+ 0x54: 'Display',
+
+ 0x7B: 'Left',
+ 0x7C: 'Right',
+ 0x79: 'Up',
+ 0x7A: 'Down',
+ }),
+
+ # Amp, Game, Sat, Tuner, USB modes
+ (0x30, None): (['Keypad: ', 'KP:'], {
+ 0x0C: 'Enter',
+
+ 0x12: 'Volume Up',
+ 0x13: 'Volume Down',
+ 0x14: 'Mute',
+ 0x15: 'Power',
+
+ 0x21: 'Tuner',
+ 0x22: 'Video',
+ 0x25: 'CD',
+
+ 0x4D: 'Home',
+ 0x4B: 'Display',
+
+ 0x60: 'Sleep',
+ 0x6A: 'TV',
+
+ 0x53: 'Home',
+
+ 0x7C: 'Game',
+ 0x7D: 'DVD',
+ }),
+
+ # Amp, Game, Sat, Tuner, USB modes
+ (0xB0, None): (['Arrows: ', 'Ar:'], {
+ 0x7A: 'Left',
+ 0x7B: 'Right',
+ 0x78: 'Up',
+ 0x79: 'Down',
+ 0x77: 'Amp Menu',
+ }),
+
+ # TV mode
+ (0x97, None): (['TV Extra', 'TV:'], {
+ 0x23: 'Return',
+ 0x36: 'Options',
+
+ }),
+}
+
+for (address, extended), (name, commands) in ADDRESSES.items():
+ commands.update(NUMBERS)
diff --git a/decoders/ir_sirc/pd.py b/decoders/ir_sirc/pd.py
new file mode 100644
index 0000000..9aba8a5
--- /dev/null
+++ b/decoders/ir_sirc/pd.py
@@ -0,0 +1,191 @@
+##
+## This file is part of the libsigrokdecode project.
+##
+## Copyright (C) 2020 Tom Flanagan <knio@zkpq.ca>
+##
+## 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, see <http://www.gnu.org/licenses/>.
+##
+
+import sigrokdecode as srd
+from .lists import ADDRESSES
+
+class SamplerateError(Exception):
+ pass
+
+class SIRCError(Exception):
+ pass
+
+class SIRCErrorSilent(SIRCError):
+ pass
+
+class Decoder(srd.Decoder):
+ api_version = 3
+ id = 'ir_sirc'
+ name = 'IR SIRC'
+ longname = 'IR SIRC'
+ desc = 'Sony SIRC infrared remote control protocol.'
+ license = 'gplv2+'
+ inputs = ['logic']
+ outputs = ['ir_sirc']
+ channels = (
+ dict(id='ir', name='IR', desc='Data line'),
+ )
+ options = (
+ dict(id='polarity', desc='Polarity', default='active-low',
+ values=('active-low', 'active-high')),
+ )
+ annotations = (
+ ('bit', 'Bit'),
+ ('agc', 'AGC'),
+ ('pause', 'Pause'),
+
+ ('start', 'Start'),
+ ('command', 'Command'),
+ ('address', 'Address'),
+ ('extended', 'Extended'),
+
+ ('remote', 'Remote'),
+
+ ('warnings', 'Warnings'),
+ )
+ annotation_rows = (
+ ('bits', 'Bits', (0, 1, 2)),
+ ('fields', 'Fields', (3, 4, 5, 6)),
+ ('remote', 'Remote', (7,)),
+ ('warnings', 'Warnings', (8,)),
+ )
+
+ def __init__(self):
+ pass
+
+ def reset(self):
+ pass
+
+ def start(self):
+ self.out_ann = self.register(srd.OUTPUT_ANN)
+ self.active = self.options['polarity'] == 'active-high'
+
+ def metadata(self, key, value):
+ if key == srd.SRD_CONF_SAMPLERATE:
+ self.samplerate = value
+
+ def tolerance(self, start, end, expected):
+ microseconds = 1000000 * (end - start) / self.samplerate
+ tolerance = expected * 0.30
+ return (expected - tolerance) < microseconds < (expected + tolerance)
+
+ def wait(self, *conds, timeout=None):
+ conds = list(conds)
+ if timeout is not None:
+ to = int(self.samplerate * timeout / 1000000)
+ conds.append({'skip': to})
+ start = self.samplenum
+ signals = super(Decoder, self).wait(conds)
+ end = self.samplenum
+ return signals, start, end, self.matched
+
+ def read_pulse(self, high, time):
+ e = 'f' if high else 'r'
+ max_time = int(time * 1.30)
+ signals, start, end, (edge, timeout) = self.wait({0: e}, timeout=max_time)
+ if timeout or not self.tolerance(start, end, time):
+ raise SIRCError('Timeout')
+ return signals, start, end, (edge, timeout)
+
+ def read_bit(self):
+ e = 'f' if self.active else 'r'
+ signals, high_start, high_end, (edge, timeout) = self.wait({0:e}, timeout=2000)
+ if timeout:
+ raise SIRCError('Bit High Timeout')
+ if self.tolerance(high_start, high_end, 1200):
+ bit = 1
+ elif self.tolerance(high_start, high_end, 600):
+ bit = 0
+ else:
+ raise SIRCError('Bit Low Timeout')
+ try:
+ signals, low_start, low_end, matched = self.read_pulse(not self.active, 600)
+ good = True
+ except SIRCError:
+ low_end = high_end + int(600 * self.samplerate / 1000000)
+ good = False
+ self.put(high_start, low_end, self.out_ann, [0, [str(bit)]])
+ return bit, high_start, low_end, good
+
+ def read_signal(self):
+ # Start code
+ try:
+ signals, agc_start, agc_end, matched = self.read_pulse(self.active, 2400)
+ signals, pause_start, pause_end, matched = self.read_pulse(not self.active, 600)
+ except SIRCError:
+ raise SIRCErrorSilent('not an SIRC message')
+ self.put(agc_start, agc_end, self.out_ann, [1, ['AGC', 'A']])
+ self.put(pause_start, pause_end, self.out_ann, [2, ['Pause', 'P']])
+ self.put(agc_start, pause_end, self.out_ann, [3, ['Start', 'S']])
+
+ # Read bits
+ bits = []
+ while True:
+ bit, start, end, good = self.read_bit()
+ bits.append((bit, start, end))
+ if len(bits) > 20:
+ raise SIRCError('too many bits')
+ if not good:
+ if len(bits) == 12:
+ command = bits[0:7]
+ address = bits[7:12]
+ extended = []
+ elif len(bits) == 15:
+ command = bits[0:7]
+ address = bits[7:15]
+ extended = []
+ elif len(bits) == 20:
+ command = bits[0:7]
+ address = bits[7:12]
+ extended = bits[12:20]
+ else:
+ raise SIRCError('incorrect number of bits: {}'.format(len(bits)))
+ break
+
+ number = lambda bits:sum(b << i for i, (b, s, e) in enumerate(bits))
+ command_num = number(command)
+ address_num = number(address)
+ command_str = '0x{:02X}'.format(command_num)
+ address_str = '0x{:02X}'.format(address_num)
+ self.put(command[0][1], command[-1][2], self.out_ann, [4, ['Command: ' + command_str, 'C:' + command_str]])
+ self.put(address[0][1], address[-1][2], self.out_ann, [5, ['Address: ' + address_str, 'A:' + address_str]])
+ extended_num = None
+ if extended:
+ extended_num = number(extended)
+ extended_str = '0x{:02X}'.format(extended_num)
+ self.put(extended[0][1], extended[-1][2], self.out_ann, [6, ['Extended: ' + extended_str, 'E:' + extended_str]])
+ return address_num, command_num, extended_num, bits[0][1], bits[-1][2]
+
+ def decode(self):
+ if not self.samplerate:
+ raise SamplerateError('Cannot decode without samplerate.')
+
+ while True:
+ e = 'h' if self.active else 'l'
+ signal, start, end, matched = self.wait({0:e})
+ try:
+ address, command, extended, payload_start, payload_end = self.read_signal()
+ names, commands = ADDRESSES.get((address, extended), (['Unknown Device: ', 'UNK: '], {}))
+ text = commands.get(command, 'Unknown')
+ self.put(end, payload_end, self.out_ann, [7, [n + text for n in names]])
+ except SIRCErrorSilent as e:
+ continue
+ except SIRCError as e:
+ self.put(end, self.samplenum, self.out_ann, [8, ['Error: ' + str(e), 'Error', 'E']])
+ continue
generated by cgit v1.2.3-70-g09d2 (git 2.47.0) at 2024-11-15 02:51:17 +0000